Publications


Our new book, Step-Growth Polymerization Process Modeling and Product Design, Wiley (2008), is the first published textbook on the subject. Click here to read the strong endorsements of our book from top polymer experts in both academia and industries.

Table of Contents


  1. Patents
  2. Books
  3. Book Chapters
  4. Papers

Patents

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D. M. Eissenberg and Y. A. Liu, "High Gradient Magnetic Beneficiation of Dry Pulverized Coal via Upwardly Directed Recirculating Fluidization," U.S. patent no. 4,212,551, July 15, 1980.

Note: This patent was invented in collaboration with the Oak Ridge National Laboratory (ORNL). Key claims in this patent have guided the successful development and demonstration of a continuous magnetic separation process for desulfurization of selectively sized powdered coal at ORNL during 1978 and 1980. Industrial Research recognized the latter development as one of its IR100 invention awards in 1981.

Books

Pioneering Textbooks in Chemical and Environmental Engineering

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1. Thomas E. Quantrille and Y. A. Liu, Artificial Intelligence in Chemical Engineering, 609 pages, Academic Press, San Diego, CA, (1991). Chinese edition translated by the Process System Engineering Society of China and published by the China Petrochemical Press, Beijing (1994).

Note: Chemical Engineering, the most popular monthly magazine for practicing chemical engineers, gives the following review comments in its May 1992 issue:

"At long last, here is a comprehensive, yet very readable, exposition of the emerging science of artificial intelligence (AI) as it relates to the practice of chemical engineering. This book is a must reading for any serious student of AI in the chemical process industries.


This book belongs to a class by itself in providing a thorough coverage of the fundamentals of AI, and illustrating their applications with concrete examples from the CPI. Above all, it is a pleasure to read, unlike, alas, most other books on this fascinating subject."

An equally positive published review appears in the December 1992 issue of the AIChE Journal.









2. D. Richard Baughman and Y. A. Liu, Neural Networks in Bioprocessing and Chemical Engineering, 488 pages, Academic Press, Inc., San Diego, CA, in 1995.

Note: IIE Transactions, the leading journal in industrial and systems engineering, gives the following review comments in its September 1997 issue:

"This book introduces the basic concepts and practice of neural networks, emphasizing their applications in the bioprocessing and chemical engineering fields. The authors have developed an excellent, well researched text that links the theory and practice of neural network modeling. The book is timely and presents a well-organized treatment of this emerging research area..."

In summary, this is an excellent introductory text on neural networks for use in bioprocessing and chemical engineering applications. The book could be used in either a senior undergraduate or graduate engineering course. The authors have blended theory and practice to create a very useful text that offers ideas for future research, yet also can be used in a pragmatic way to design neural networks. This is one of the best books that I have read on the topic of neural computing in engineering."

3. James G. Mann and Y. A. Liu, Industrial Water Reuse and Wastewater Minimization. 524 pages, McGraw-Hill, New York (1999); Chinese edition published by China Petrochemical Press, Beijing (2001).

Note: George E. Keller and Paul. F. Bryan, "Process Engineering Moving in New Directions", Chemical Engineering Progress, pp. 41-50, January issue (2000), gives the following review comments:

"An extremely important aspect of process design for overall waste minimization is water reuse and wastewater minimization. A new book, Mann and Liu (1999), covers this area very well, and gives many industrial examples....


It includes recent work on the water-pinch technology (which is akin to heat-exchanger network technology) for determining the absolute minimum amount of fresh-water makeup to a process. Application of the methods described in this book potentially can cut both the overall investment and operating cost of a process, as well as reduce fresh-water usage. In the future, the approach described here should become a key element in any comprehensive process-design effort".







4.Kevin C. Seavey and Y. A. Liu, Step-Growth Polymerization Process Modeling and Product Design. 712 pages, Wiley, New York (2008)

"Represents a major advance in filling the gap between the simplistic treatment in the usual textbooks and industrial processes for making the polymer products. Most importantly, the theme of the book is to show the inseparable relationship between the process and the product. This book wil be a valuable asset to the industrial practitioner and to the academic chemical community"

- Donald R. Paul
Editor, Industrial and Engineering Chemistry Research
American Chemical Society
Recipient of ACS national award in applied polymer science


"Is highly recommended for process engineers who are developing new step-growth polymerization processes in the area of polyesters, polyamides, polycarbonates, polyimides, polysulfones, etc. It will likely contribute to an essentially one-stop shopping site for interested engineers and scientists who wish to broaden their perspective from chemistry and reaction mechanisms to the practical, but terribly important, process modeling considerations."

- James E. McGrath
Recipient of ACS national awards in polymer science and applied polymer science


"Addresses the modeling complexities systematically. Complete production systems are described, which makes the achievement more remarkable and the text much more useful. By contrast, the open scientific literature is dedicated to a very narrow improvements of prediction without a complete view of the entire polymerization train. This text illustrates how we may distil our knowledge of the polymerization fundamentals down to a working model that accurately represents industrial practice. As new polymers advance from laboratory bench-top to commerical success, the same lessons will be repeated. This text illustrates how that can be done successfully."

- Thomas N. Williams, Jr.
Senior Technical Manager, Honeywell Specialty Materials


"Captures well fundamental aspects of modeling step-growth polymerization processes and offers illustrative examples of how to approach modeling of real-life industrial polymerization systems. I want to take this opportunity to thank the authors for making this extraordinary effort to share their learning, and to congratulate them for their superb accomplishments and contributions to further advancing the practice of polymer process modeling and simulation."

- Chau-Chyun Chen
Vice President of Technology, Aspen Technology, Inc.
Patent inventor and developer of polymer process simulation software, Polymers Plus



Reviewed Monographs

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1. Y. A. Liu, editor, Physical Cleaning of Coal: Present and Developing Methods, 552 pages (with Chapter 4, pages 133 to 254 written by Liu himself), Marcel Dekker, Inc., New York, July, 1982. Chinese edition translated and published by the Ministry of Coal Industry, Beijing, People's Republic of China, 1985.

Note: The following review comments appear in the international journal, Coal Preparation, in January 1986:

"This book is a valuable new edition to those few, all too limited modern texts which deal with the preparation of coal ...
It will undoubtly prove to be an important reference book for those scientists, engineers, and students who have a particular interest in this emerging and important area of coal preparation...."

2. Y. A. Liu, Henry A. McGee, Jr. and W. Robert Epperly, editors, Recent Developments in Chemical Process and Plant Design, 509 pages (with Chapter 6, pages 147 to 260, written by Liu himself), Wiley, New York, New York, 1987.

Note: Chemical Engineering Science, one of the top scholarly journals in chemical engineering, gives the following review comments of this book in its October 1988 issue:

"This excellently produced volume ....
"The presentation of this text is excellent ....
"The aims of providing both an introduction to important developments in process plant design and a "state of the art" survey are achieved in a most impressive way ....
"This book represents a massive step forward in this important and expanding area...."



Edited Volumes

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1. Y. A. Liu, editor, Industrial Applications of Magnetic Separation, 209 pages, IEEE Publication No. 78CH1447 2 MAG, Institute of Electrical and Electronic Engineers, Inc., New York, April, 1979.










2. Y. A. Liu, editor, IEEE Transactions on Magnetics, Special issue on magnetic separation, 146 pages, published by the Institute of Electrical and Electronic Engineers, the Institute of Electrical and Electronic Engineers, Inc., New York, September, 1976.










Book Chapters

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1. Y. A. Liu, "Novel High Gradient Magnetic Separation (HGMS) Processes for Desulfurization of Dry Pulverized Coal," Chapter 9, in Recent Developments in Separation Science, Volume VI, pp. 149-171, Normal N. Li, editor, CRC Press, Boca Ratan, FL, 1981.

2. Y. A. Liu, "High Gradient Magnetic Separation for Coal Desulfurization," Chapter 4, in Physical Cleaning of Coal: Present and Developing Methods, pp. 133-254, Y. A. Liu, editor, Marcel Dekker, Inc., New York, 1982.

3. Y. A. Liu, "Process Synthesis: Some Simple and Practical Developments," Chapter 6, in Recent Developments in Chemical Process and Plant Design, pp. 147-260, Y. A. Liu, H. A. McGee and W. R. Epperly, editors, Wiley, New York, 1987.

Papers

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("+": indicates an invited paper or a keynote presentation)

Biodiesel: Modeling

1. A. F. Chang and Y. A. Liu, "Integrated Process Modeling and Product Design of Biodiesel Manufacturing," Industrial and Engineering Chemistry Research . In Press. Appendices A, B1, B2. PDF

Continuous Crystallization: Theory and Practice

1. Y. A. Liu and G. D. Botsaris, "Impurity Effects in Continuous Flow Mixed Suspension Crystallizers," AIChE Journal, 19, 510-516 (1973). PDF

2. Y. A. Liu, "On the Crystal Size Intensity Function and Interpreting Population Density Data from Crystallizers," AIChE Journal, 19, 1254-1257 (1973).PDF

3. Y. A. Liu, "Generalized Population Balance Model for Crystallizer Design with Applications to the Study of Micromixing Effect on the Transient and Steady State Crystal Size Distributions from Crystallizes," preprint, AIChE National Meeting, Pittsburgh, June (1974).

Numerical Computation: Stiff Differential Equations and Population Balance Modeling

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4. Leon Lapidus, R. C. Aiken and Y. A. Liu, "The Occurrence and Numerical Solution of Physical and Chemical System Having Widely Varying Time Constants," in Proceedings of International Symposium of Stiff Differential Systems, Wildbad, Germany, edited by R. A. Willoughby, Plenum Press, pp. 187-200 (1974).

5. Y. A. Liu, "A Course on Digital Computation for Chemical Engineers," Chemical Engineering Education, Volume IX, No. 4, pp. 166-169 and 202, Fall (1975).

6. Y. A. Liu and B. H. Shah, "Analysis, Solution and Simulation of Population Balance Models in Chemical Engineering," preprint, AIChE Annual Meeting, Chicago, November December (1976).

Magnetochemical Engineering: Novel Magnetic Separation and Magnetofluidized Beds

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+7. Y. A. Liu, C. J. Lin, D. L. Vives, M. J. Oaks and G. E. Crow, "Theory and Applications of High-Gradient Magnetic Separation: A Review," Invited paper, Digest of the International Magnetics Conference, Los Angeles, CA, June (1977).

+8. Y. A. Liu and C. J. Lin, "Research Needs and Opportunities in High Gradient Magnetic Separation of Particulate Gas Systems," Invited paper, Proceedings of National Science Foundation Environmental Protection Agency Research Workshop on Novel Concepts, Methods and Advanced Technology in Particulate Gas Separation, University of Notre Dame Press, Notre Dame, Indiana, April (1977); EPA Publication No. EPA 600/7 78 170, pp. 170-179 (1978).

9. Y. A. Liu, M. J. Oak and C. J. Lin, "Modeling and Experimental Aspects of High Gradient Magnetic Separation," Preprint, AIChE Annual Meeting, New York, NY, November (1977).

+10. Y. A. Liu, "Process Design and Development in High Gradient Magnetic Separation," Invited paper, Engineering Foundation Conference on Magnetic Separation, Rindge, NH, July/August (1978).

11. Y. A. Liu and G. E. Crow, "Studies in Magnetochemical Engineering: Part 1. A Pilot Scale Study of High Gradient Magnetic Desulfurization of Solvent Refined Coal," Fuel, 58, 345-353 (1979).

12. R. D. Colberg and Y. A. Liu, "Recent Development in Magnetofluidized Beds for Particulate Gas Separation," preprint, AIChE National Meeting, Los Angeles, CA (1982).

13. R. D. Colberg and Y. A. Liu, "Fundamental Studies of Magnetofluidized Beds for Particle Gas and Particle Particle Separation," Digest of the INTERMAG Conference, Publication No. 83CH1895 2, p. BA 3, Institute of Electrical and Electronic Engineers, Inc., New York (1983).

14. Y. A. Liu and M. J. Oak, "Studies in Magnetochemical Engineering: Part 2. Theoretical Development of a Practical Model for High Gradient Magnetic Separation," AIChE Journal, 29, 771-779 (1983).PDF

15. Y. A. Liu and M. J. Oak, "Studies in Magnetochemical Engineering. Part 3. Experimental Applications of a Practical Model for High Gradient Magnetic Separation to Pilot Scale Coal Beneficiation," AIChE Journal, 29, 780 -789 (1983).PDF

16. R. Keith Hamby and Y. A. Liu, "Fundamental Studies of Packed Magnetofluidized Beds for Particle Gas and Particle Particle Separations," Digest of the INTERMAG Conference, Publication No. 85CH2180 8, p. AD 8, Institute of Electrical and Electronic Engineers, Inc., New York (1985).

17. Y. A. Liu, R. G. Wagner, F. A. Pehler and T. H. McCord, "Studies in Magnetochemical Engineering: Part 4. A Fluidized Bed Superconducting Magnetic Separation Process for Dry Coal Desulfurization," Powder Technology, 56, 259 277 (1988). PDF

18. Richard D. Colberg and Y. A. Liu, "Studies in Magnetochemical Engineering. Part 5. An Experimental Study of Fluidized Beds with Screen Packing and Applied Magnetic Field," Powder Technology, 56, 279-292 (1988).

+19. Y. A. Liu, "Superconducting Magnetic Separation: Current Industrial Status and Impact of High Temperature Superconductors," Invited paper, AIChE Annual Meeting, San Francisco, CA, November (1989).

+20. Y. A. Liu, R. Keith Hamby and Richard D. Colberg, "Fundamental and Practical Developments of Magnetofluidized Beds: A Review," Invited paper, special issue on "magnetized fluidized beds," Powder Technology, 64, 3 41 (1991). PDF

+21. R. Keith Hamby and Y. A. Liu, "Studies in Magnetochemical Engineering: Part 6. An Experimental Study of Screen Packed and Conventional Fluidized Beds in Axial and Transverse Magnetic Fields," Invited paper, special issue on "magnetized fluidized beds," Powder Technology, 64, 103-113 (1991).

New Physical Methods for Cleaning Coal, Superconducting Magnetic Separation, and Novel Fluidized Beds

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22. C. J. Lin, Y. A. Liu, D. L. Vives, M. J. Oak, G. E. Crow and E. L. Huffman, "Pilot Scale Studies of Sulfur and Ash Removal from Coals by High Gradient Magnetic Separation," IEEE Transactions on Magnetics, MAG 12, 513 521 (1976).

23. Y. A. Liu and C. J. Lin, "Assessment of Sulfur and Ash Removal from Coals by Magnetic Separation," IEEE Transactions on Magnetics, MAG 12, 538-550 (1976).

+24. Y. A. Liu, "Magnetic Cleaning of Coal," Invited paper, American Mining Congress: Coal Convention, St. Louis, MO, April (1978); summary of paper published as:

(1) "Auburn's Magnetic Coal Cleaner Eliminates Dewatering," Mining Engineering, 30, pp. 721 and 725, July (1978).
(2) "Magnetic Cleaning of Coal," Coal Mining and Processing, p. 28, July (1978).
(3) "Magnetic Cleaning of Coal," Mining Congress Journal, p. 62, July (1978).

+25. Y. A. Liu and C. J. Lin, "Status and Problems in the Development of High Gradient Magnetic Separation Processes Applied to Coal Beneficiation," Invited paper, Proceedings of Engineering Foundation Conference on Clean Combustion of Coal, Rindge, New Hampshire, July, 1977; EPA Publication No. EPA 600/7 78 073, pp. 109-130 (1978).

26. Y. A. Liu and C. J. Lin, "Status of Development of Magnetic Separation Processes Applied to Coal Beneficiation," CEP Technical Manual, Coal Processing Technology, Vol. 4, pp. 205-210, AIChE, New York (1978).

27. C. J. Lin and Y. A. Liu, "Desulfurization of Coals by High Intensity, High Gradient Magnetic Separation: Conceptual Process Design and Cost Estimation," in Coal Desulfurization, ACS Symposium Series, Vol. 64, pp. 121-139, T. D. Wheelock, editor, American Chemical Society, Washington, D.C. (1978).

28. Y. A. Liu, C. J. Lin and D. M. Eissenberg, "A Novel Fluidized Bed Dry Magnetic Separation Process with Applications to Coal Beneficiation," Digest of the INTERMAG Conference, IEEE Publication No. 78 CH 1341 7MAG, p. 10 2, Institute of Electric and Electronic Engineers, Inc., New York, May (1978).

29. Y. A. Liu, G. E. Crow, C. J. Lin and D. L. Vives, "A Pilot Scale Study of High Gradient Magnetic Desulfurization of Solvent Refined Coal," Digest of the INTERMAG Conference, IEEE Publication No. 78 CH 1341 7MAG, p. 10 3, Institute of Electric and Electronic Engineers, Inc., New York, May (1978).

30. Y. A. Liu, T. H. McCord, S. Batra and T. Tsai, "Novel Fluidized Bed High Gradient Magnetic Separation (HGMS) Processes for Desulfurization of Dry Pulverized Coal for Direct Utility Applications," Digest of the International Magnetics Conference, New York, July (1979).

31. Y. A. Liu, R. G. Wagner, T. H. McCord, D. W. Norwood, S. K. Batra and T. Tsai, "A Novel Cyclic Superconducting Fluidized Bed High Gradient Magnetic Separation Process for Desulfurization of Dry Pulverized Coal for Utility Applications," Digest of the INTERMAG Conference, IEEE Publication No. 80 CH 1541 MAG, p. 21 5, Institute of Electric and Electronic Engineers, Inc., New York, (1980).

32. Y. A. Liu, R. G. Wagner, T. H. McCord, S. K. Batra and T. Tsai, "A Comparative Study of Cyclic High Gradient Magnetic Separation Processes for Desulfurization of Dry Pulverized Coal," Digest of the INTERMAG Conference, IEEE Publication No. 80 CH 1541 MAG, p. 21 6, Institute of Electrical and Electronic Engineers, Inc., New York (1980).

33. Y. A. Liu, "Novel Superconducting Fluidized Bed High Gradient Magnetic Separation Processes for Desulfurization of Dry Pulverized Coal," Microfiche No. 63 (Paper No. 21C), AIChE Annual Meeting, Chicago, IL, November (1980).

+34. J. A. Guin, Y. A. Liu, C. W. Curtis, A. R. Tarrer and D. C. Williams, "Research on Coal Liquefaction and Desulfurization," invited paper, Chemical Engineering Education, Vol. XV, No. 4, pp. 178-182 and 213, Fall (1981).

35. Y. A. Liu, "Novel High Gradient Magnetic Separation Processes for Desulfurization of Dry Pulverized Coal for Utility Applications," 120 pages, U.S. Department of Energy, report no. DOE/ET/14287 T1 (DE82021888) (1982).

36. Y. A. Liu, "Pilot Scale Development and Demonstration of a Novel Superconducting High Gradient Magnetic Separation Process for Desulfurization of Dry Pulverized Coal," Digest of the INTERMAG Conference, Publication No. 83CH189512, p. BA 2, Institute of Electrical and Electronic Engineers, Inc., NY (1983).

37. Y. A. Liu, Arthur M. Squires and Kenneth Konrad, "Fischer Tropsch Synthesis from a Low H2:CO Gas in a Dry Fluidized Bed System," Report No. DOE/PC/50791 T1 (DE 8301185), 126 pages, U.S. Department of Energy, Technical Information Center, Oak Ridge, TN (July, 1983).

38. Y. A. Liu and A. M. Squires, "Fischer Tropsch Synthesis from a Low H2:CO Gas in a Dry Fluidized Bed System. Vol. 1. Project Summary," 41 pages, Report No. DOE/PC/50791 T5 (DE 87000286), NTIS PC A03/MF, Energy Research Abstracts, 12, No. 10713 (March 15, 1987).

39. J. H. Boyd, Y. A. Liu and A. M. Squires, "Fischer Tropsch Synthesis from a Low H2:CO Gas in a Dry Fluidized Bed System. Vol. 3. Heat Transfer between a Supernatant Gas and a Flowing Shallow Fluidized Bed of Solids," 316 pages, Report No. DOE/PC/50791 T6 (DE 87000288), NTIS PC A14/MF, Energy Research Abstracts, 12, No. 10714 (March 15, 1987).

40. G. K. Whiting, Y. A. Liu and A. M. Squires, "Fischer Tropsch Synthesis from a Low H2:CO Gas in a Dry Fluidized Bed System. Vol. 2. Development of Microreactor Systems for Unsteady State Fischer Tropsch Synthesis," 458 pages, Report No. DOE/PC/50791 T5 (DE 87000287), NTIS, MF A01, Energy Research Abstracts, 12, No. 13029 (April 15, 1987).

41. J. S. Yang, Y. A. Liu and A. M. Squires, "Shallow Fluid Beds of 'Master Beads'," in Fluidization V: Proceedings of the Fifth International Fluidization Conference, pp. 417-424, K. Ostergarrd and A. Sorenson, editors, Engineering Foundation, New York (1986).

42. Renato Sprung, Benku Thomas, Y. A. Liu and A. M. Squires, "Shallow Vibrobeds of 'Master Beads'," in Fluidization V: Proceedings of the Fifth International Fluidization Conference, Elsinore, Denmark, pp. 409 416, K. Ostergarrd and A. Sorenson, editors, Engineering Foundation, New York (1986).

43. Benku Thomas, Renato Sprung, Y. A. Liu and A. M. Squires, "Heat Transfer from a Heated Tube in Shallow Vibrated Beds," preprint, AIChE Annual Meeting, Miami, FL, November (1986).

44. Y. A. Liu and A. M. Squires, "Countercurrent Heat Exchange between a Gas and a Vibrofluidized Solid," 288 pages, Report No. DOE/DE T G07 83ID12428, U.S. Department of Energy, Technical Information Center, Oak Ridge, TN (1986).

45. J. S. Yang, Y. A. Liu and A. M. Squires, "A Simple Light Probe Method for Quantitative Measurements of Particle Volume Fractions in Fluidized Beds," Powder Technology, 49, 177-187 (1987).

46. J. B. Thomas, Y. A. Liu, R. Chan and A. M. Squires, "A Method for Observing Phase Dependent Phenomena in Cyclic Systems: Application to Study Dynamics of Vibrated Beds of Granular Solids," Powder Technology, 52, 77-92 (1987).

47. J. S. Yang, Y. A. Liu and A. M. Squires, "Pressure Drop in Shallow Fluidized Beds: Theory and Experiment," Powder Technology, 53, 78-89 (1987).

48. D. E. Hirt, C. W. Cheah, Y. A. Liu and A. M. Squires, "A Vibrofluidized Bed Heat Exchanger for Heat Recovery from a Hot Gas. Part I. Feasibility Study of a Pilot Scale System," Powder Technology, 55, 257-267 (1988).

49. C. W. Cheah, D. E. Hirt, Y. A. Liu and A. M. Squires, "A Vibrofluidized Bed Heat Exchanger for Heat Recovery from a Hot Gas. Part II. Heat Transfer Evaluation of a Pilot Scale System," Powder Technology, 55, 269-276 (1988).

+50. B. Thomas, Y. A. Liu, M. O. Mason, and A. M. Squires, "Vibrated Beds: New Tools for Heat Recovery," Chem. Eng. Progress, 84, No. 6, 65-75, June (1988).

51. B. Thomas, M. O. Mason, Y. A. Liu and A. M. Squires, "Identifying States in Shallow Vibrated Beds," Powder Technology, 57 267-280 (1989). PDF

52. B. Thomas, M. O. Mason, R. Sprung, Y. A. Liu and A. M. Squires, "Heat Transfer in Shallow Vibrated Beds," Powder Technology, 99, 293-301 (1998). PDF

Fundamental Development of Process Control Theory and Process Synthesis Methodology with Applications to Energy Recovery, Pollution Prevention, and Wastewater Minimization; Artificial Intelligence and Neural Computing in Bioprocessing and Chemical Engineering

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53. Y. A. Liu and Leon Lapidus, "Observer Theory for Lumping Analysis of Monomolecular Reaction Systems," AIChE Journal, 19, 467-473 (1973).PDF

54. Y. A. Liu, "Observer Theory for Nonlinear and Distributed Parameter Systems with Applications," Proceedings of the Seventh Annual Southeastern Symposium on System Theory, pp. 280 289, IEEE Publication No. 75CH0968 8C, The Institute of Electrical and Electronic Engineers, Inc., New York (1975).

55. N. Nishida, Y. A. Liu and A. Ichikawa, "Studies in Chemical Process Design and Synthesis: I. Optimal Synthesis of Dynamic Process Systems," Microfiche No. 4 (Paper No. 57d), AIChE National Meeting, Boston, MA, September (1975).

56. Y. A. Liu and Leon Lapidus, "Observer Theory for Distributed Parameter Systems," Int. J. System Science, 7, 731-742 (1976).

57. N. Nishida, Y. A. Liu, Leon Lapidus and S. Hiratsuka, "An Effective Computational Algorithm for Suboptimal Singular and/or Bang Bang Control: I. Theoretical Developments and Applications to Linear Lumped Systems," AIChE Journal, 22, 505-513 (1976).PDF

58. N. Nishida, Y. A. Liu, Leon Lapidus and S. Hiratsuka, "An Effective Computational Algorithm for Suboptimal Singular and/or Bang Bang Control: II. Applications to Nonlinear Lumped and Distributed Systems," AIChE Journal, 22, 513-523 (1976).PDF

59. Y. A. Liu, N. Nishida, S. Hiratsuka and A. Ichikawa, "New Max H Algorithms for Suboptimal Control of Lumped and Distributed Parameter Systems," preprint, AIChE Annual Meeting, Chicago, November December (1976).

60. N. Nishida, Y. A. Liu and A. Ichikawa, Studies in Chemical Process Design and Synthesis: II. Optimal Synthesis of Dynamic Process Systems with Uncertainty," AIChE Journal, 22, 539-549 (1976).PDF

61. Y. A. Liu, D. C. Williams, N. Nishida and Leon Lapidus, "Studies in Chemical Process Design and Synthesis: IV. Optimal Synthesis of Process Systems with Vector Valued or Multiple Performance Indices," preprint, AIChE National Meeting, Atlantic City, NJ, September (1976).

62. N. Nishida, Y. A. Liu and Leon Lapidus, "Studies in Chemical Process Design and Synthesis: III. A Simple and Practical Approach to the Optimal Synthesis of Heat Exchanger Networks," AIChE Journal, 23, 77-93 (1977).PDF

+63. Y. A. Liu, "A Course in Process Synthesis," Chemical Engineering Education, invited paper, Vol. IX, No. 4, pp. 184 186 and 212-215, Fall (1980).

64. Y. A. Liu, "Thermodynamic Availability Analysis in Process Design, Evaluation and Synthesis: Review and Extension," Preprint, Paper No. 1C, AIChE National Meeting, Chicago, IL, November (1980).

+65. Y. A. Liu and D. C. Williams, "Optimal Synthesis of Heat Integrated Multicomponent Separation Systems and Their Control Configuration," Proceedings of the 1981 Summer Computer Simulation Conference, pp. 238-246, Washington, D.C., Instrument Society of America, July (1981).

66. Y. A. Liu, "Recent Advances Toward the Systematic Multiobjective Synthesis of Heat Exchanger Networks," Preprint, AIChE National Meeting, Orlando, FL, February (1982).

67. Y. A. Liu, "A Practical Approach to the Multiobjective Synthesis and Optimizing Control of Resilient Heat Exchanger Networks," Proceedings of the American Control Conference, Volume 3, pp. 1115-1126, Arlington, VA, Institute of Electrical and Electronic Engineers, Inc., New York, June (1982).

68. F. A. Pehler and Y. A. Liu, "Thermodynamic Availability Analysis in the Synthesis of Optimum Energy and Minimum Cost Heat Exchanger Networks," ACS Symp. Series, No. 235, Efficiency and Costing: Second Law Analysis of Processes, Edited by Richard A. Gaggioli, pp. 161-178 (1983).

69. Y. A. Liu and W. J. Wepfer, "Second Law Analysis of Processes: A Bibliography," ACS Symp. Series, No. 235, Efficiency and Costing: Second Law Analysis of Processes, Edited by Richard A. Gaggioli, pp. 415-446 (1983).

70. V. M. Nadgir and Y. A. Liu, "Studies in Chemical Process Design and Synthesis: V. A Simple Heuristic Method for Systematic Synthesis of Initial Sequences of Multicomponent Initial Sequences of Multicomponent Separations," AIChE Journal, 29, 926-934 (1983).PDF

71. F. A. Pehler and Y. A. Liu, "Studies in Chemical Process Design and Synthesis: Part VI. A Thermoeconomic Approach to the Evolutionary Synthesis of Heat Exchanger Networks," Chem. Eng. Commu., 25, 295-310 (1984).

72. Y. A. Liu, F. A. Pehler and D. R. Cahela, "Studies in Chemical Process Design and Synthesis: Part VII. Systematic Synthesis of Multipass Heat Exchanger Networks," AIChE Journal, 31, 487-491 (1985).PDF

73. S. H. Cheng and Y. A. Liu, "Studies in Chemical Process Design and Synthesis: Part 8. A Simple Heuristic Method for the Synthesis of Initial Sequences for Sloppy Multicomponent Separations," Ind. Eng. Chem. Research, 27, 2304-2322 (1988). PDF

74. Y. A. Liu, T. E. Quantrille and S. H. Cheng, "Studies in Chemical Process Design and Synthesis: Part 9. A Unifying Framework for Multicomponent Separation Sequencing with Sloppy Product Streams," Ind. Eng. Chem. Research, 29, 2229-2241 (1990). PDF

75. J. C. Brunet and Y. A. Liu, "Studies in Chemical Process Design and Synthesis: 10. EXSEP An Expert System for Solvent Based Separation Process Synthesis," Ind. Eng. Chem. Research, 32, 315-334 (1993). PDF

76. D. R. Baughman and Y. A. Liu, "An Expert Network for Bioseparation Process Synthesis: Predictive Modeling of Protein Partitioning in Aqueous Two Phase Systems," Award Symposium on Separation Synthesis, American Chemical Society, Denver, CO, March (1993).

+77. Gert Jan A. F. Fien and Y. A. Liu, "Heuristic Synthesis and Shortcut Design of Separation Processes Using Residue Curve Map: A Review," invited paper, Ind. Eng. Chem. Research, 33, 2505-2522 (1994). PDF

78. D. R. Baughman and Y. A. Liu, "Optimal Design of Extractive Bioseparations in Aqueous Two Phase Systems," Invited Paper, Symposium on Aqueous Biphasic Separations: Biomolecules to Metal Ions, American Chemical Society, San Diego, CA, March (1994).

79. D. R. Baughman and Y. A. Liu, "An Expert Network for Predictive Modeling and Optimal Design of Extractive Bioseparations in Aqueous Two-Phase Systems," Ind. Eng. Chem. Research, 33, 2668-2687 (1994). PDF

80. D. R. Baughman, Y. A. Liu, R. C. Inge, R. C. Lane and R. W. Rodgers, "Neural-Network Predictive Modeling of an Experimental Fermentation Process," Symposium on Biosensors and Biocontrol, AIChE Annual Meeting, San Francisco, CA, November (1994).

+81. C. Han, George Stephanopoulos, and Y. A. Liu, "Knowledge-Based Process Synthesis," invited paper, First International Conference on Intelligent Systems in Process Engineering, Snowmass, CO, July (1995); AIChE Symposium Series, 92, No. 312, 148-159 (1996). pdf

82. Y. A. Liu and Khawla A. Al-Shayji, "Neural Networks in Bioprocessing and Chemical Engineering," National Process Control Symposium, National Taiwan University and National Science Council, Taipei, Taiwan, December (1996).

+83. Y A. Liu and J. G. Mann, "An Effective Engineering Approach to Wastewater Minimization in Multiple-Contaminant Systems with Applications to a Petrochemical Industry Complex in the Asia Pacific", invited paper, Second Joint Chemical Industry and Engineering Society of China (CIESC)/American Institute of Chemical Engineers (AIChE) Conference, Beijing, China, May (1997).

+84. Y. A. Liu, B. Lucas and J. G. Mann, "Up-to-date Tools of Water-System Optimization" Invited featured cover story, Chemical Engineering Magazine, 111, No. 1, pp. 30-41, January (2004).

85. April Nelson VanSant and Y. A. Liu, "Hydrogen Pinch Made Easy" Chemical Engineering Magazine, 115, No. 6, June (2008).

Multiscale Modeling for Process and Product Design: Computer-Aided Process Design, Molecular Modeling for Product Design, and Fundamental Predictive Modeling of Large-Scale Commercial Processes (Water Desalination, Pollution Abatement, and Polymer Manufacturing, etc.)

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86. K. Al-Shayji and Y. A. Liu, "Neural Networks for Predictive Modeling and Optimization of Large-Scale Commercial Desalination Plants", Proceedings of IDA World Congress on Desalination and Water Reuse, International Desalination Association, Topsfield, MA (1997).

87. Rui Yan, Xianwen Xu, Jay Khare, Y. A. Lu, Chau-Chyun Chen, "Modeling of a Commercial Slurry HDPE Process Using Polymers Plus", Proceedings of AspenWorld China 2000, Beijing, China, July (2000).

88. Andrew Sweeney and Y. A. Liu, "Use of Simulation to Optimize NOx Abatement by Absorption and Selective Catalytic Reduction", Ind. Eng. Chem. Research, 40, 2618-2627 (2001). PDF

89. K. Al-Shayji and Y. A. Liu, "Predictive Modeling of Large-Scale Commercial Water Desalination Plants: Data-Based Neural Network and Model-Based Process Simulation", Ind. Eng. Chem. Research, 41, 6460-6474 (2002). PDF

90. N. P. Khare, K. C. Seavey, Y. A. Liu, S. Ramanathan, S. Lingard, and C. C. Chen, "Steady-State and Dynamic Modeling of Commercial Slurry High-Density Polyethylene (HDPE) Processes," Ind. Eng. Chem. Research, 41, 5601-5618 (2002). PDF

+91. Y. A. Liu, "Melt Index Prediction from Molecular Weight Distribution", invited paper, AspenWorld 2002, Washington, D. C., October (2002).

92. K. C. Seavey, N. P. Khare, Y. A. Liu, T. N. Williams, and C. C. Chen, "A New Phase-Equilibrium Model for Simulating Industrial Nylon-6 Production Trains". Ind. Eng. Chem. Research, 42, 3900-3913 (2003). PDF

93. K. C. Seavey, N. P. Khare, Y. A. Liu, T. Bremner and C. C. Chen, "Quantifying Relationships among the Molecular Weight Distribution, Non-Newtonian Shear Viscosity and Melt Index for Linear Polymers." Ind. Eng. Chem. Research, 42, 5354-5362 (2003). PDF

94. Neeraj P. Khare, Bruce Lucas, Kevin C. Seavey, Y. A. Liu, Ashuraj Sirohi, Sundaram Ramanathan, Simon Lingard, Yuhua Song, and Chau-Chyun Chen, "Steady-State and Dynamic Modeling of Gas-Phase Polypropylene Processes Using Stirred-Bed Reactors", Ind. Eng. Chem. Research, 43, 884-900 (2004). PDF

95. Kevin C. Seavey, Y. A. Liu, Bruce Lucas, Neeraj P. Khare, Tom Lee, Jason Pettrey, Thomas N. Williams, John Mattson, Earl Schoenborn, Charles Larkin and Chau-Chyun Chen, "New Mass-Transfer Model for Simulating Industrial Nylon-6 Production Trains", Ind. Eng. Chem. Research, 43, 5063-5076 (2004). PDF

96. Eric Mullins, Richard Oldland, Y.A. Liu, Shu Wang, Stanley I. Sandler, Chau-Chyun Chen, Michael Zwolak, and Kevin Seavey, "Sigma-Profile Database for Using COSMO-based Thermodynamic Methods," Ind. Eng. Chem. Research, 45, 3973-3999 (2006).PDF

97. Bruce Lucas, Kevin C. Seavey, and Y.A. Liu, "Steady-State and Dynamic Modeling for New Product Design for the Solid-State Polymerization of Poly(Ethylene Terephthalate)," Ind. Eng. Chem. Research, 46, 190-202 (2007)PDF

98. Eric Mullins, Y.A. Liu, Adel Ghaderi, Stephen D. Fast, "Sigma Profile Database for Predicting Solid Solubility in Pure and Mixed Solvent Mixtures for Organic Pharmacological Compounds with COSMO-Based Thermodynamic Methods" Ind. Eng. Chem. Research, 47, 1707-1725(2008)PDF