Process for the recovery of heat and chemicals from spent liquor

Details Process for the recovery of heat and chemicals from spent liquor Process for the recovery of heat and chemicals from spent liquor

1990-08-31

1993-07-27

Bascomb, Jr., Wilbur

Concentrating evaporators

Processes

Involving waste liquid

159 23, 159DIG34, 159DIG20, 110238, 110342, 162 29, 162 301, 203 88, B01D 100, B01D 306

Patent

active

052307735

ABSTRACT:
The invention relates to a process for the recovery of heat and chemicals from a mixture of ashes and spent liquor by carrying out the final concentrating (2) of the liquor, and its feeding (8) into the soda recovery unit (5), under pressure and at a temperature higher than the atmospheric boiling point of the liquor. According to the invention, the ashes (1) are not mixed with the waste liquor (7) until after the final concentrating (2) of the liquor, and the mixture is further expansion evaporated (4) before the thus concentrated pressurized liquor is fed into the soda recovery unit (5).

REFERENCES:
patent: 1779536 (1930-10-01), Goodell
patent: 3862909 (1975-01-01), Copeland
patent: 4312702 (1982-01-01), Tomlinson
patent: 4363698 (1982-12-01), Nelson et al.
patent: 4377439 (1983-03-01), Liem
patent: 5112441 (1992-05-01), Ruohola et al.

Affiliated with

Also associated with

Rating

Process for the recovery of heat and chemicals from spent liquor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the recovery of heat and chemicals from spent liquor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the recovery of heat and chemicals from spent liquor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2340134