Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1976-03-11
1977-01-11
Hart, Charles N.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 64SC, 162 16, 201 25, C05F 702
Patent
active
040024571
ABSTRACT:
Spent sulfite liquor is converted into a nitrogen containing water insoluble product useful as a soil conditioner and fertilizer. The spent sulfite liquor is heated at a temperature of 170.degree. to 260.degree. C to form a partially pyrolyzed water insoluble material and the water insoluble material is then reacted with ammonia at a temperature of 170.degree. to 260.degree. C.
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Kobe et al., Ammoniation of Sulfite Waste Liquor, May 1936, Ind. and Eng. Chem., vol. 28, No. 5, pp. 571-572.
Herrick Franklin Willard
Sears Karl David
Hart Charles N.
Holt H. J.
International Telephone and Telegraph Corporation
Raden J. B.
Spitzer Robert H.
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