Method of processing waste cement kiln dust to make a soil treat

Details Method of processing waste cement kiln dust to make a soil treat Method of processing waste cement kiln dust to make a soil treat

1981-11-04

1983-09-06

Hall, James R.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 82, 264117, B01J 212

Patent

active

044028911

ABSTRACT:
The processing for reconditioning of waste cement kiln dust to reuse the valuable metal salts thereof as a combination soil conditioner, liming agent and potassium-enriched fertilizing material, wherein water is admixed with the waste dust in a carbon dioxide-containing atmosphere to primarily reduce the alkalinity of the dust and to secondarily granulate the mixture.

REFERENCES:
patent: 3555133 (1971-01-01), Gentaz
patent: 4121942 (1978-10-01), Kato
patent: 4219515 (1980-08-01), Helsey

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