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1. WO1997034840 - PROCESS AND DEVICE FOR FAT SEPARATION

Publication Number WO/1997/034840
Publication Date 25.09.1997
International Application No. PCT/SE1997/000486
International Filing Date 21.03.1997
Chapter 2 Demand Filed 13.10.1997
IPC
C02F 3/34 2006.1
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
34characterised by the microorganisms used
E03F 5/16 2006.1
EFIXED CONSTRUCTIONS
03WATER SUPPLY; SEWERAGE
FSEWERS; CESSPOOLS
5Sewerage structures
14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
16Devices for separating oil, water, or grease from sewage in drains leading to the main sewer
CPC
C02F 3/343
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
34characterised by the microorganisms used
343for digestion of grease, fat, oil
E03F 5/16
EFIXED CONSTRUCTIONS
03WATER SUPPLY; SEWERAGE
FSEWERS; CESSPOOLS
5Sewerage structures
14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
16Devices for separating oil, water or grease from sewage in drains leading to the main sewer
Applicants
  • SCIENCIA BIOTECH AB [SE]/[SE]
  • AXELSSON, Niklas, Wilhelm [SE]/[SE] (UsOnly)
Inventors
  • AXELSSON, Niklas, Wilhelm
Agents
  • ÖNNESTAM, David
Priority Data
9601090-521.03.1996SE
Publication Language English (en)
Filing Language Swedish (SV)
Designated States
Title
(EN) PROCESS AND DEVICE FOR FAT SEPARATION
(FR) PROCEDE ET DISPOSITIF DE SEPARATION DES GRAISSES
Abstract
(EN) Process and equipment for fat separation in waste water from restaurants, bakeries, food processing industries etc. The fat-containing waste water is treated in a fat separator by the addition of a liquid microbe culture that degrades proteins, starch etc. and converts the fat to fatty acids. In a preferred embodiment of the invention the fatty acids are recovered with the aid of a so-called skimmer.
(FR) L'invention porte sur un procédé et un dispositif de séparation des graisses présentes dans les eaux usées de restaurants, de boulangeries, ou d'installations de traitement des produits alimentaires. Lesdites eaux usées contenant des graisses sont traitées dans un séparateur de graisses par adjonction d'une culture microbienne liquide qui dégrade les protéines, l'amidon, etc., et en transforme les graisses en acides gras. Dans une mode de réalisation préféré de l'invention, les acides gras sont récupérés à l'aide d'un dispositif appelé écumoire.
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