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1. WO2019055735 - BROWN GREASE TREATMENT AND DISPOSAL SYSTEM

Publication Number WO/2019/055735
Publication Date 21.03.2019
International Application No. PCT/US2018/050996
International Filing Date 14.09.2018
IPC
B03D 1/14 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
DFLOTATION; DIFFERENTIAL SEDIMENTATION
1Flotation
14Flotation machines
C02F 9/00 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
9Multistep treatment of water, waste water or sewage
B01D 17/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
17Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
02Separation of non-miscible liquids
C02F 1/24 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
24by flotation
C02F 3/12 2006.01
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
02Aerobic processes
12Activated sludge processes
C02F 3/30 2006.01
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
30Aerobic and anaerobic processes
CPC
B01D 17/0205
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
17Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
02Separation of non-miscible liquids
0205by gas bubbles or moving solids
B01D 17/0211
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
17Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
02Separation of non-miscible liquids
0208by sedimentation
0211with baffles
B01D 17/0217
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
17Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
02Separation of non-miscible liquids
0217by centrifugal force
B01D 17/042
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
17Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
02Separation of non-miscible liquids
04Breaking emulsions
042by changing the temperature
B03D 1/1406
BPERFORMING OPERATIONS; TRANSPORTING
03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
DFLOTATION; DIFFERENTIAL SEDIMENTATION
1Flotation
14Flotation machines
1406with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
B03D 1/1431
BPERFORMING OPERATIONS; TRANSPORTING
03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
DFLOTATION; DIFFERENTIAL SEDIMENTATION
1Flotation
14Flotation machines
1431Dissolved air flotation machines
Applicants
  • WATER ENVIRONMENTAL TECHNOLOGY [US]/[US]
Inventors
  • FIELDS, William, Michael
  • XU, Yuanchun
  • ZHANG, Guichun
Agents
  • EISENBERG, Andrew L.
Priority Data
62/558,56914.09.2017US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BROWN GREASE TREATMENT AND DISPOSAL SYSTEM
(FR) SYSTÈME DE TRAITEMENT ET D'ÉLIMINATION DE GRAISSE BRUNE
Abstract
(EN)
A system for recovering fat, oil and grease and removing biochemical oxygen demand and total suspended solids from brown grease or trap grease. In some cases, the system includes an integrated inlet coarse screen, primary circular zoned dissolved air and ozone flotation unit, bio-dissolved air and flotation unit, and three-phase centrifuge.
(FR)
L'invention concerne un système de récupération de graisse, d'huile et de graisse et d'élimination de la demande biochimique en oxygène et de toutes les matières solides en suspension à partir de graisse brune ou de graisse récupérée. Dans certains cas, le système comprend un tamis grossier d'entrée intégré, une unité de flottation à l'air dissous à zones circulaires primaires et une unité de flottation à l'ozone, une unité d'air et de flottation bio-dissoute, et une centrifugeuse à trois phases.
Also published as
Latest bibliographic data on file with the International Bureau