Fertilizer production

Details Fertilizer production Fertilizer production

1993-04-19

1995-01-03

McCarthy, Neil

Chemistry: fertilizers

Processes and products

Organic material-containing

71 14, 422189, 422292, 422307, 210205, 210770, C05F 700, C05F 902

Patent

active

053782577

ABSTRACT:
A process for organic fertilizer production of the invention comprises stirring a batch of the waste matter to be treated with an amount of nitric acid to mix the waste matter with nitric acid, crushing the waste water mixed with nitric acid to make sludge, adding an amount of quicklime to the sludged waste matter mixed with nitric acid and then stirring the waste matter, thereby neutralizing the waste matter with slaked lime formed by the reaction with water, and drying the neutralized waste matter. An apparatus for the production of organic fertilizer is also disclosed.

REFERENCES:
patent: 3942970 (1976-03-01), O'Donnell
patent: 4038180 (1977-07-01), Talbert
patent: 4078094 (1978-03-01), Katzen
patent: 4226712 (1980-10-01), Kamei
patent: 4306978 (1981-12-01), Wurtz
patent: 4743287 (1988-05-01), Robinson

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