Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1989-02-13
1992-06-30
Lander, Ferris
Chemistry: fertilizers
Processes and products
Organic material-containing
71 13, 71 62, 71 63, 71 6405, 71904, 210711, C05F 700, C05G 300
Patent
active
051259516
ABSTRACT:
Sewage sludge is subjected to a treatment with an acid in order to form stable ammonium compounds before thermal drying of the sludge which would otherwise volatilize ammonia and diminish the nitrogen content of the sludge.
REFERENCES:
patent: 260165 (1882-06-01), Collett
patent: 1668464 (1928-05-01), Pease
patent: 3835021 (1974-09-01), Lorenz et al.
patent: 4012320 (1977-03-01), Conner et al.
patent: 4038180 (1977-07-01), Talbert
patent: 4076515 (1978-02-01), Rickard
patent: 4078094 (1978-03-01), Katzen
patent: 4174371 (1979-11-01), Bell et al.
patent: 4185680 (1980-01-01), Lawson
patent: 4743287 (1988-05-01), Robinson
patent: 4793927 (1988-12-01), Meehan et al.
Lahoda Edward J.
Leduc Robert J.
Cillo Daniel P.
Lander Ferris
Westinghouse Electric Corp.
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