High rate method for alkaline stabilization, beneficiating and p

Details High rate method for alkaline stabilization, beneficiating and p High rate method for alkaline stabilization, beneficiating and p

1990-06-29

1991-03-05

Wyse, Tom

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210718, 210738, 210750, 210751, 210764, 71 12, 71 21, 71903, C02F 1114, C05F 300

Patent

active

049975722

ABSTRACT:
The present invention relates to a high rate method for combining waste materials to produce valuable products for agricultural, horticultural, sylvicultural or public use. Specifically, the present invention combines the steps of alkaline stabilization, beneficiating and pelletizing waste materials, such as wastewater treatment plant sludge or animal excrement and reaction with carbon dioxide, to thereby convert the waste materials to useful products such as soil conditioners or fertilizer supplements.

REFERENCES:
patent: 3877920 (1975-04-01), Carlberg
patent: 3941357 (1976-03-01), Wurtz
patent: 3962080 (1976-06-01), Dulin et al.
patent: 4226712 (1980-10-01), Kamei
patent: 4270279 (1981-06-01), Roediger
patent: 4306978 (1981-12-01), Wurtz
patent: 4554002 (1985-11-01), Nicholson
patent: 4872998 (1989-10-01), Dausman et al.
Dr. Hanns Roediger, "Using Quicklime", Apr. 1987 (p. 18-22).
Thomas L. Kovacik, "Sludge, Kiln Dust Make Fertilizer", Dec. 1988, (p. 27-32).
Dale E. Baker et al., "Kiln Dust From Cement Factories for Vacuum Filter Processing of Sewage Sludge", (p. 28-30).
F. B. Leopold Co., Inc., "Willowtech Plow Blenders", Bulletin 1989.
F. B. Leopold Co., Inc., Pilot Test, 10/31/86.

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