Organic waste drying process

Details Organic waste drying process Organic waste drying process

1977-07-07

1978-07-11

Sebastian, Leland A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 60, 34 61, 34 62, 71 12, 71 13, 71 14, 110221, 110224, F26B 700

Patent

active

040993361

ABSTRACT:
A process for drying organic waste, such as sewage sludge, by contacting the organic waste with hot vapors wherein the dried material is plasticized and extruded to form compacted granules having good flow characteristics and suitable for application by commercial fertilizer spreaders. A plasticizer and an extrusion aid are added to the dried material prior to extrusion.

REFERENCES:
patent: 2977214 (1961-03-01), McLellan
patent: 3667131 (1972-06-01), Stephanoff
patent: 4003136 (1977-01-01), Vincent
patent: 4057392 (1977-11-01), O'Donnell

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