Process for mesophilic or thermophilic aerobico-enzymic conditio

Details Process for mesophilic or thermophilic aerobico-enzymic conditio Process for mesophilic or thermophilic aerobico-enzymic conditio

1989-08-18

1991-05-28

Wyse, Tom

Liquid purification or separation

Processes

Treatment by living organism

210609, 210620, 210632, 210908, 210631, C02F 302, C02F 1114

Patent

active

050192671

ABSTRACT:
The invention relates to the conditioning of liquid organic substances and biomass, particularly of municipal sewage sludge, with the help of chelating agents and enzymes, by breaking the organic substance down in an aerobic-conditioning reactor by addition of chelating agents and enzymes, this is discontinued prior to the complete dissolution of the organic matter after a time period of 0.5 to 20 hours. The mixture of substances is then subjected to an open-top non-aerated postreaction phase of 5 to 15 hours during which biogenous flocculation takes place. A solid-liquid separation follows.

REFERENCES:
patent: 3801499 (1974-04-01), Luck
patent: 4119491 (1978-10-01), Wellington
patent: 4132638 (1979-01-01), Carlsson
patent: 4623465 (1986-11-01), Klibanov

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