Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1974-06-19
1976-06-15
Hart, Charles N.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 13, 210 10, 34 11, C05F 700
Patent
active
039634710
ABSTRACT:
A completely integrated and automated apparatus by which liquid sewage sludge from any sewage or waste treatment plant may be processed into a completely dry, pelletized and sterilized product of an organic nature containing nutrients valuable for the support of plant life. The apparatus involves one completely integrated and automated unit together with a control center by means of which electric circuits program each component of the apparatus to automatically regulate the operation of each component, so that no labor or other manpower is required in the operation, except for observation, lubrication, maintenance and repair of the various motors and machineries involved.
REFERENCES:
patent: 1915240 (1933-06-01), Putnam
patent: 2977214 (1961-03-01), McLellan
patent: 3025151 (1962-03-01), Berg et al.
patent: 3342731 (1967-09-01), Baumann et al.
Hart Charles N.
Lander Ferris H.
Randolph John N.
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