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Title: Modeling and simulation of MEE system used in the sugar industry
Authors: Srivastava D.
Mohanty, Bikash
Bhargava R.
Published in: Chemical Engineering Communications
Abstract: In this work, a generalized steady-state mathematical model has been developed for simulation of the multiple effect evaporator (MEE) system, used in the Indian sugar industry. The developed model is capable of handling exhaust steam (saturated/superheated) inputs in more than one effect, vapor bleeding from desired effects, heat loss from each effect, and variations in boiling point rise as well as specific heat capacity with combination, heat transfer coefficient through external empirical correlations, and condensate flashing. The developed model has been solved by the globally convergent method. The results of present investigations have been validated against the data obtained from the Indian sugar industry with seven effects. The predicted exit liquor concentration, vapor body temperature, and amount of vapor bleed from each effect shows close agreement with the industry data within a maximum error band of ±2%. Further, a correlation has been developed for the prediction of overall heat transfer coefficient (OHTC) of each effect. The developed model can be further used to improve the steam economy of the MEE system by the incorporation of flash vapors from condensate stream. © 2013 Copyright Taylor and Francis Group, LLC.
Citation: Chemical Engineering Communications, 200(8): 1089-1101
Issue Date: 2013
Keywords: Globally convergent technique
Overall heat transfer coefficient
Rising film evaporator
Sugar industry
Vapor bleed
ISSN: 986445
Author Scopus IDs: 55650150700
Author Affiliations: Srivastava, D., Chemical Engineering Department, Meerut Institute of Engineering and Technology, Meerut - 250005, India
Mohanty, B., Chemical Engineering Department, Indian Institute of Technology Roorkee, Roorkee, India
Bhargava, R., Chemical Engineering Department, Indian Institute of Technology Roorkee, Roorkee, India
Corresponding Author: Srivastava, D.; Chemical Engineering Department, , Meerut - 250005, India; email:
Appears in Collections:Journal Publications [CH]

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