Sum-Rates or Absorber-Oriented Methods

Also called simultaneous-correction methods both original presentations of a method and variations of that method. 

Fredenslnnd, A., J. Gmehling, and P, Restnussen, Vapor-Liquid Equilibrium Using UNIFAC, Elsevier, New York, 1977, 

Westman, in A W. Westerberg and H, H. Chien (eds,), Foundations of Computer-Aided Process Design, 741, CACHE, 1983. 

Sanders, and R. D. Young, Paper presented at AJChE National Meeting, Washington, D, C, November, 1988, 

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