Automatic control of a multiple-effect evaporator

Details Automatic control of a multiple-effect evaporator Automatic control of a multiple-effect evaporator

1986-06-02

1987-06-30

Bascomb, Wilbur

Concentrating evaporators

Multiple effects

159 44, 159 471, 159DIG30, 159DIG34, 202160, 202174, 203 2, 364501, 423179, 423641, B01D 126, B01D 342

Patent

active

046768700

ABSTRACT:
A feedforward control system for a multiple-effect evaporator is provided wherein control is based on maintaining desired values for inferential variables of concentration and boiling point rise for a solution of a solid inorganic substance.

REFERENCES:
patent: 2734566 (1956-02-01), Simms
patent: 2748849 (1956-06-01), Hart
patent: 2931433 (1960-04-01), Mertz
patent: 3154456 (1964-10-01), Sims et al.
patent: 3203466 (1965-08-01), Eckstrom
patent: 3220883 (1965-11-01), Howard
patent: 3241599 (1966-03-01), Jobe
patent: 3286764 (1966-11-01), Mojonnier et al.
patent: 3899386 (1975-08-01), Komiyama et al.
patent: 4557799 (1985-12-01), Nelson et al.

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