Process and apparatus for drying a solid-liquid mixture

Details Process and apparatus for drying a solid-liquid mixture Process and apparatus for drying a solid-liquid mixture

1996-09-24

1998-07-07

Bennett, Henry A.

Drying and gas or vapor contact with solids

Process

Diverse types of drying operations

34498, F26B 700

Patent

active

057750041

ABSTRACT:
A process and an apparatus is disclosed for drying sludge or other materials, more specifically, sewage sludge, in which a mixture of base material and wet material is introduced to a drier and passing hot gas or hot air passed over the mixture. The process and apparatus by regulating the feed rate of the wet material (wet sludge) in relation to the exit temperature of the hot gas or hot air from the drier. In embodiments, the feed rate of material is adjusted to maintain a substantially constant temperature of the gas.

REFERENCES:
patent: 3958920 (1976-05-01), Anderson
patent: 4696115 (1987-09-01), Spadafora
patent: 4713893 (1987-12-01), Webb
patent: 4984374 (1991-01-01), Bird et al.
patent: 5067254 (1991-11-01), Linkletter et al.
patent: 5069801 (1991-12-01), Girovich
patent: 5474686 (1995-12-01), Barr
patent: 5588222 (1996-12-01), Thompson

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