Method of concentrating sludges

Details Method of concentrating sludges Method of concentrating sludges

1987-09-21

1990-03-20

Manoharan, Virginia

Concentrating evaporators

Processes

Involving waste liquid

159 21, 159 242, 159DIG32, 162 29, 162 47, 202235, 203 22, 203 27, 203 88, 203DIG8, B01D 306

Patent

active

049098993

ABSTRACT:
A method of concentrating sludges wherein liquor is heated under pressure indirectly with flue gases from the combustion of previously concentrated sludge, after which the sludge is caused to expand or subjected to reduced pressure which results in evaporation of water and concentration of the sludge to a dry-substance content of over 55%.

REFERENCES:
patent: 2754897 (1956-07-01), Ramen
patent: 2796120 (1957-06-01), Lockman et al.
patent: 3047362 (1962-07-01), Smith
patent: 3286763 (1966-11-01), Jacoby
patent: 3414038 (1968-12-01), Laakso
patent: 3425477 (1969-02-01), Farin
patent: 3583339 (1971-06-01), Kube
patent: 3783095 (1974-01-01), Jafs et al.
patent: 3912577 (1975-10-01), Akune et al.
patent: 4076576 (1978-02-01), Marttala
patent: 4441437 (1984-04-01), Moskau
patent: 4530737 (1985-07-01), stman
patent: 4687546 (1987-08-01), Willis
R. S. Andrews, Jr. and R. W. Roscoe, "Thin-Film Evaporation of Black Liquor to High Solids as an Investment", Tappi/Dec. 1981, vol. 64, No. 12.

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