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1. WO2010051622 - A PRIMARY TREATMENT UNIT AND SYSTEM FOR MAXIMISING THE AMOUNT OF METHANE-CONTAINING BIOGAS COLLECTED FROM SEWAGE

Publication Number WO/2010/051622
Publication Date 14.05.2010
International Application No. PCT/CA2009/001542
International Filing Date 30.10.2009
IPC
C02F 11/04 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
11Treatment of sludge; Devices therefor
02Biological treatment
04Anaerobic treatment; Production of methane by such processes
B01D 21/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
21Separation of suspended solid particles from liquids by sedimentation
02Settling tanks
CPC
B01D 21/02
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
21Separation of suspended solid particles from liquids by sedimentation
02Settling tanks ; with single outlets for the separated liquid
C02F 1/467
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
46by electrochemical methods
461by electrolysis
467by electrochemical disinfection; by electrooxydation or by electroreduction
C02F 11/04
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
11Treatment of sludge; Devices therefor
02Biological treatment
04Anaerobic treatment; Production of methane by such processes
Y02E 50/30
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
50Technologies for the production of fuel of non-fossil origin
30Fuel from waste, e.g. synthetic alcohol or diesel
Y02W 10/20
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
10Technologies for wastewater treatment
20Sludge processing
Y02W 10/37
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
10Technologies for wastewater treatment
30Wastewater or sewage treatment systems using renewable energies
37using solar energy
Applicants
  • CLEARFORD INDUSTRIES INC. [CA]/[CA] (AllExceptUS)
  • HASS, Jill, L. [CA]/[CA] (UsOnly)
Inventors
  • HASS, Jill, L.
Agents
  • MBM INTELLECTUAL PROPERTY LAW LLP
Priority Data
61/111,05304.11.2008US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A PRIMARY TREATMENT UNIT AND SYSTEM FOR MAXIMISING THE AMOUNT OF METHANE-CONTAINING BIOGAS COLLECTED FROM SEWAGE
(FR) UNITÉ DE TRAITEMENT PRIMAIRE ET SYSTÈME POUR MAXIMISER LA QUANTITÉ DE BIOGAZ CONTENANT DU MÉTHANE RECUEILLI À PARTIR D'EAUX D'ÉGOUT
Abstract
(EN)
The invention provides a primary treatment unit and system for the collection of methan- containing biogas from sewage. The primary treatment unit is configured to separate sewage settling and sludge digestion into separate regions or chamber of the tank. The settling region is adapted to receive the sewage and output liquid effluent and the digestion region is adapted to receive solid components of the sewage from the settling region and output methane-containing biogas substantially generated in the digestion. The primary treatment unit is designed such that the methane-containing biogas is outputted without coming into substantial contact with sewage scum. The system further comprises a biogas collection system configured to receive the methane-containing biogas from the digestion region of the primary treatment unit.
(FR)
L'invention concerne une unité de traitement primaire et un système pour le recueillement d'un biogaz contenant du méthane à partir d'eaux d'égout. L'unité de traitement primaire est configurée pour séparer la décantation des eaux d'égout et la digestion des boues dans des régions ou chambres distinctes de la cuve. La région de décantation est conçue pour recevoir les eaux d'égout et décharger un effluent liquide, et la région de digestion est conçue pour recevoir les composants solides des eaux d'égout issus de la région de décantation et décharger un biogaz contenant du méthane essentiellement généré lors de la digestion. L'unité de traitement primaire est conçue de manière à ce que le biogaz contenant du méthane soit déchargé sensiblement sans rentrer en contact avec l'écume des eaux d'égout. Le système comprend également un système de recueillement du biogaz configuré pour recevoir le biogaz contenant du méthane à partir de la région de digestion de l'unité de traitement primaire.
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