Liquid purification or separation – Processes – Treatment by living organism
Patent
1992-02-10
1993-09-28
Silverman, Stanley S.
Liquid purification or separation
Processes
Treatment by living organism
210739, C02F 328
Patent
active
052484238
ABSTRACT:
This invention relates to a process for the regulation and automatic control of a device for the removal of pollutants from waste water by methane fermentation, which consists of simultaneously measuring, in the gaseous phase in the digesters of a fermentation reactor, the following three parameters: output of gas emanating from the conversion of the organic matter during fermentation, the ratio of the percentages of methane and carbon dioxide and the gaseous hydrogen content, and in then processing in real time the data thus collected in order to obtain signals reflecting the instantaneous state of the ecosystem of the pollutant removal device.
REFERENCES:
patent: 4349435 (1982-09-01), Ochiai
patent: 4986916 (1991-01-01), Hickey
"Enhancement of Anaerobic Treatment Efficiency Through Process Modification," S. R. Harper; Journal WPCF, vol. 59, No. 3, pp. 152-161, Mar. 1987.
Patent Abstracts of Japan, vol. 6, No. 208 (C-130)(1086) Oct. 20, 1982 and JP-A-57-113-899 (Fuji Denki Seizo K.K.) Jul. 15, 1982.
W. R. Slater, "A Microcomputer-based Instrumentation System for anaerobic Wastewater Treatment Processes," Water Research, vol. 24, No. 1, Jan. 1990, Oxford GB, pp. 121-123.
Coudert Jean-Pierre
Ehlinger Frederic
Moletta Penato
Centre National de la Recherche Scientifique
Degremont
Institut National de la Recherche Agronomique
McCarthy Neil M.
Silverman Stanley S.
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