Process of making agricultural product from organic sewage sludg

Details Process of making agricultural product from organic sewage sludg Process of making agricultural product from organic sewage sludg

1977-12-16

1979-12-25

Scovronek, Joseph

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

71 12, 71DIG2, 210 53, 71 26, C02C 102, B01D 500, C05F 300

Patent

active

041804597

ABSTRACT:
An acidic organic agricultural product is made by conditioning organic sewage sludge with amounts of FeCl.sub.3 and sugar factory waste lime to provide an acidic conditioned sludge, of pH greater than 3.0 but less than 5.7 and then mechanically dewatering the conditioned sludge.

REFERENCES:
patent: 1915240 (1933-06-01), Putnam
patent: 2264790 (1941-12-01), Coleman
Tenney et al., JWPCF, 42R1-1970, pp. R5-R10.
Rudolfs, W., Principles of Sewage Treatment, National Lime Assoc., D. C., 1956, pp. 56-63.
Weber, W. J., Physiochemical Processes, Wiley, New York, 1973, pp. 80-81.
Powell, Sheppard, Industrial & Eng. Chemistry, Nov. 1954, vol. 46, No. 11, pp. 85a-86a.

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