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1. WO2002034694 - METHOD AND APPARATUS FOR AERATION ORGANIC WASTE MATERIAL

Publication Number WO/2002/034694
Publication Date 02.05.2002
International Application No. PCT/AU2001/001372
International Filing Date 26.10.2001
Chapter 2 Demand Filed 16.05.2002
IPC
C05F 17/00 2006.01
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C84
17Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
C05F 17/02 2006.01
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C84
17Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
02Apparatus therefor
CPC
C05F 17/70
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
17Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
70Controlling the treatment in response to process parameters
C05F 17/979
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
FORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
17Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
90Apparatus therefor
964Constructional parts, e.g. floors, covers or doors
971for feeding or discharging materials to be treated; for feeding or discharging other material
979the other material being gaseous
Y02P 20/145
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
PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
20Technologies relating to chemical industry
141Feedstock
145the feedstock being materials of biological origin
Y02W 30/40
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
30Technologies for solid waste management
40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Applicants
  • ORGANIC RESOURCE TECHNOLOGIES LIMITED [AU]/[AU] (AllExceptUS)
  • RUDAS, Tomasz [AU]/[AU] (UsOnly)
Inventors
  • RUDAS, Tomasz
Agents
  • TURONEK, Mary, Louise
Priority Data
PR 104126.10.2000AU
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND APPARATUS FOR AERATION ORGANIC WASTE MATERIAL
(FR) PROCEDE ET DISPOSITIF D'AERATION DE DECHETS ORGANIQUES
Abstract
(EN)
A method and an apparatus is provided for aeration of organic material, wherein the organic material undergoes an aerobic composting process, such that air is caused to evenly penetrate the organic material. The organic material is first sealed in a vessel. Air is then delivered to the contents of the vessel such that an air pressure of from about 1 to about 1000 kPa above atmospheric pressure is maintained in the vessel. A pressure differential initially forms and is then allowed to equilibrate over a period of time, in which time air flows from areas of high pressure to areas of low pressure in the organic material thus ensuring that aeration is evenly distributed throughout the organic material.
(FR)
L'invention concerne un procédé et un dispositif permettant l'aération de déchets organiques. Ce procédé consiste à soumettre les déchets organiques à un traitement de compostage aérobie, au cours duquel on fait pénétrer de l'air de manière uniforme dans les déchets organiques. Ces déchets organiques sont, dans un premier temps, mis sous scellé dans une cuve. Ensuite, on introduit de l'air dans le contenu de la cuve de telle sorte que la pression de l'air comprise entre environ 1 et environ 1000 kPa soit maintenue en-dessous de la pression atmosphérique dans la cuve. Une différence de pression se forme au départ, puis elle s'équilibre pendant un laps de temps durant lequel l'air circule depuis des zones de haute pression vers des zones de basse pression dans les déchets organiques, assurant ainsi l'aération uniforme de l'ensemble des déchets organiques.
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