2711980-A1 is referenced by 2 patents and cites 2 patents.

Process for the treatment of urban or industrial residual sludge by anaerobic digestion, characterised in that it is performed in two steps in two different reactors: the first step forming a thermophilic anaerobic digestion carried out at a temperature of the order of 50 to 60 DEG C and a residence time in the first reactor of 2 to 10 days, and the second step being a mesophilic anaerobic digestion performed at a temperature of the order of 35 DEG C and a residence time in the second reactor of 8 to 15 days.

Title
Process for the treatment of urban or industrial residual sludge by aerobic digestion
Application Number
FR19930013212 19931105
Publication Number
2711980 (A1)
Application Date
November 5, 1993
Publication Date
May 12, 1995
Inventor
Claude Delporte
Claude Prevot
Jean Marie Rovel
Assignee
Degremont
FR
IPC
C02F11/04
C02F 11/04
C02F11/18
C02F 11/18
C02F3/28
C02F 03/28
C02F1/58
C02F 01/58
C02F11/18
C02F 11/18
C02F3/28
C02F 03/28
C02F1/58
C02F 01/58
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