4477570 Microbial degradation of obnoxious organic wastes into innocucous materials

4477570 Microbial degradation of obnoxious organic wastes into innocucous materials

PATENT ABSTRACTS 142 Biological Waste Treatment and Pollution Control 4477570 MICROBIAL DEGRADATION OF OBNOXIOUS ORGANIC WASTES INTO INNOCUCOUS MAT...

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PATENT ABSTRACTS

142

Biological Waste Treatment and Pollution Control

4477570 MICROBIAL DEGRADATION OF OBNOXIOUS ORGANIC WASTES INTO INNOCUCOUS MATERIALS

4478683 ENZYMATIC CATALYZED BIOCIDE SYSTEM Steve A Orndorff assigned to Westvaco Corporation

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Joseph F Colaruotolo, Ronald H Olsen, Peter A Vandenbergh assigned to Occidental Chemical Corporation This invention relates to microbial methods and materials useful in the degradation of organic chemicals having toxic and obnoxious characteristics into innocuous materials compatible with the environment and to the process comprising identification, production and utilization of microorganisms for said purposes.

4478683

A method of killing and inhibiting the growth of microorganisms in industrial process streams comprises the addition of an enzymatically catalyzed biocide system utilizing a microbial or plant dehydrogenase enzyme such as peroxidase or laccase in the presence of an oxidant such as hydrogen peroxide or oxygen to oxidize phenolic compounds found in or added to the process streams to produce oxidation products that are toxic to microorganisms.

ENZYMATIC CATALYZED BIOCIDE SYSTEM 4481072

Steve A Orndorff assigned to Westvaco Corporation

ME TH O D FOR RECOVERY OF WASTEWATER RESIDUES Vladimir P Grudinin, Boris M Bukhteev, Tatyana V Dergunova, Amursk, Union Of Soviet Socialist Republics assigned to Vsesojuznde Nauchno-Proizvodstven Noe Obiedinenie Tselljulozno-Bumazhnoi Promyshlennosti

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y2-. -. A method of killir~g and inhibiting the growth of microorganisms in industrial process streams comprises the addition of an enzymatically catalyzed biocide system utilizing a microbial or plant dehydrogenase enzyme such as peroxidase or laccase in the presence of an oxidant such as hydrogen peroxide or oxygen to oxidize phenolic compounds found in or added to the process streams to produce oxidation products that are toxic to microorganisms.

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A method for recovery of wastewater residues containing the activated sludge biomass, fibre and bark comprising the steps of treating these with alkali solution having a concentration of 580 g/I on the Na20 basis at a temperature of 20 degrees-70 degrees C. and dewatering the reaction mixture obtained, the alkali filtrate decanted containing the activated sludge alkali