Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1988-09-12
1989-08-01
Bennett, Henry
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 35, 34 86, 34102, 34 95, 432215, F26B 324
Patent
active
048522694
ABSTRACT:
A process is described for combining the disposal of sewage sludge and lime sludge economically by recalcining the lime sludge to product lime for municipal water treatment, and utilizing the excess heat from the recalcining process to dry and pelletize sewage sludge or to supplement the heat required to dry and pelletize said sewage sludge. The sewage sludge pellets then are produced in uniform sizes and have excellent value as a soil conditioner.
REFERENCES:
patent: 4245396 (1981-01-01), Maffet
Bennett Henry
Enviro-Gro Technologies, Inc.
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