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21 / 312
201.WO/2020/043045HIGH EFFICIENCY ONE-TANK BIOGAS PRODUCER BY CONTINUOUS DRY FERMENTATION OF STRAW AND MANURE WASTES AND PROCESS THEREOF
WO - 05.03.2020
التصنيف الدولي C12M 1/107
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
1Apparatus for enzymology or microbiology
107with means for collecting fermentation gases, e.g. methane
 رقم الطلب PCT/CN2019/102505 مودع الطلب HENAN CHUHAN INDUSTRIAL GROUP CO., LTD. المخترع YANG, Shijun
A high efficiency one-tank biogas producer by continuous dry fermentation of straw and manure wastes and a process for producing biogas. Said biogas generator comprises a producer tank body (2) with an open top and a gas storage cover (1) provided at the top of the tank body (2) and slidably connected to the tank body (2); the tank body (2) is provided with a two-phase isolation device (3) that can be opened or closed, which effectively gathers dry matter in the reaction system below the two-phase isolation device (3) at the lower part of the tank body (2), collects biogas slurry generating methane above the two-phase isolation device (3) and gathers the produced biogas in the gas storage cover (1) for storage. The producer tank body (2) forms, as a whole, a three-segment structure of solid, liquid and gas from bottom to top; after raw materials enter the biogas producer, in one tank, aerobic fermentation, anaerobic fermentation, acid production, hydrogen production and methane production are performed highly efficiently so as to produce biogas and output same for use, or in one tank, anaerobic fermentation, acid production, hydrogen production and methane production are performed highly efficiently so as to produce biogas and output same for use, having a simple apparatus, a simple and convenient process, a stable gas production and a high gas production rate.
202.WO/2024/074658INSTALLATION AND PROCESS FOR PRODUCING BIOMETHANE
WO - 11.04.2024
التصنيف الدولي B01D 53/22
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
22by diffusion
 رقم الطلب PCT/EP2023/077652 مودع الطلب L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE المخترع BREMOND, Ulysse
The present invention relates to an installation (1) for producing biomethane from organic waste feedstock comprising a biogas production system (2) comprising at least one production vessel (4) configured for containing digestate (6), and a biogas upgrading system (3) comprising a device for increasing the pressure of biogas (81) and a membrane separation unit (5), the membrane separation unit (5) comprising i) a first membrane separation stage (7) configured to produce a first permeate (9) and a first retentate (11), the first membrane separation stage (7) comprising a first stage gas separation membrane more permeable to carbon dioxide than to methane, a first feed inlet (13), a first permeate outlet (15), and a first retentate outlet (17), and ii) a second membrane separation stage (19) configured to produce a second permeate (21) and a second retentate (23), the second membrane stage (19) comprising a second stage gas separation membrane more permeable to carbon dioxide than to methane, a second feed inlet (25), a second permeate outlet (27), and a second retentate outlet (29), the second feed inlet (25) being in fluid communication with the the first retentate outlet (17), the installation (1) further comprising a feed conduit (8) connecting the biogas production system (2) to the biogas upgrading system (3) for directing biogas produced by the biogas production system (2) to the biogas upgrading system (3) and a recirculation conduit (31) connecting the second permeate outlet (27) to the at least one production vessel (4) of the biogas production system (2) for injecting the second permeate (21) into the digestate (6).
203.WO/2023/226470OXYGEN INJECTION DESULFURIZATION BASED SLUDGE TREATMENT METHOD AND ANAEROBIC DIGESTER
WO - 30.11.2023
التصنيف الدولي 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
 رقم الطلب PCT/CN2023/074372 مودع الطلب SHANGHAI MUNICIPAL ENGINEERING DESIGN INSTITUTE (GROUP) CO., LTD. المخترع HU, Weijie
The present application discloses an oxygen injection desulfurization based sludge treatment method and an anaerobic digester. The sludge treatment method comprises the following steps: S10. adjusting the sludge level in an anaerobic digester body, and further adjusting the volume of a gas phase space above the sludge in the anaerobic digester body; S20. injecting oxygen into the gas phase space and fully mixing the oxygen with biogas in the gas phase space; and S30. extending the residence time of the biogas in the anaerobic digester body by using the adjusted volume, and performing a desulfurization reaction of the biogas when the biogas stays in the anaerobic digester body until the desulfurization reaction of the biogas is completed. The volume of the gas phase space is adjusted, so that the volume meets the size required for the desulfurization reaction of the biogas, and oxygen is injected to improve the quality of the biogas after the desulfurization reaction of the biogas, thereby reducing the investment cost and operation cost of devices such as an anaerobic digester during biogas desulfurization.
204.2875116VERFAHREN ZUM BETREIBEN EINER BIOGASANLAGE UND EINE DERART BETRIEBENE BIOGASANLAGE
EP - 27.05.2015
التصنيف الدولي C12M 1/107
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
1Apparatus for enzymology or microbiology
107with means for collecting fermentation gases, e.g. methane
 رقم الطلب 13736931 مودع الطلب BEKON HOLDING AG المخترع LUTZ PETER

Die Erfindung betrifft ein Verfahren zum Betreiben einer Biogasanlage (1) nach dem Prinzip der Trockenfermentation mit einer Mehrzahl von Biogasfermentern (2a bis 2d), die im Batch-Betrieb gefahren werden. Wenigstens einer der Biogasfermenter (2a bis 2d) wurde gerade mit frischer Biomasse beladen und der oder die übrigen Biogasfermenter (2a bis 2d) im Zustand der Produktion von höher konzentriertem Biogas sind. Das Verfahren sieht ein Schließen des wenigstens einen mit frischer Biomasse beladenen Biogasfermenters (2a bis 2d) und ein Verbinden des wenigstens einen mit frischer Biomasse beladenen Biogasfermenters (2a bis 2d) mit wenigstens einem der übrigen Biogas produzierenden Biogasfermenter (2a bis 2d) vor. Des Weiteren findet eine Rückführung des Biogasgemisches aus dem wenigstens einen frisch beladenen Biogasfermenter (2a bis 2d) in wenigstens einen der übrigen Biogas produzierenden Biogasfermenter (2a bis 2d) statt. Nach Ablauf einer bestimmten Zeitdauer wird die Rückführung des Biogasgemisches aus dem frisch beladenen Biogasfermenter (2a bis 2d) beendet. Die Erfindung bezieht sich auf eine Biogasanlage (1), die sich für den Betrieb nach dem erfindungsgemäßen Verfahren eignet.

205.WO/2014/012952VERFAHREN ZUM BETREIBEN EINER BIOGASANLAGE UND EINE DERART BETRIEBENE BIOGASANLAGE
WO - 23.01.2014
التصنيف الدولي C12M 1/107
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
1Apparatus for enzymology or microbiology
107with means for collecting fermentation gases, e.g. methane
 رقم الطلب PCT/EP2013/065041 مودع الطلب BEKON HOLDING AG المخترع LUTZ, Peter
Die Erfindung betrifft ein Verfahren zum Betreiben einer Biogasanlage (1) nach dem Prinzip der Trockenfermentation mit einer Mehrzahl von Biogasfermentern (2a bis 2d), die im Batch-Betrieb gefahren werden. Wenigstens einer der Biogasfermenter (2a bis 2d) wurde gerade mit frischer Biomasse beladen und der oder die übrigen Biogasfermenter (2a bis 2d) im Zustand der Produktion von höher konzentriertem Biogas sind. Das Verfahren sieht ein Schließen des wenigstens einen mit frischer Biomasse beladenen Biogasfermenters (2a bis 2d) und ein Verbinden des wenigstens einen mit frischer Biomasse beladenen Biogasfermenters (2a bis 2d) mit wenigstens einem der übrigen Biogas produzierenden Biogasfermenter (2a bis 2d) vor. Des Weiteren findet eine Rückführung des Biogasgemisches aus dem wenigstens einen frisch beladenen Biogasfermenter (2a bis 2d) in wenigstens einen der übrigen Biogas produzierenden Biogasfermenter (2a bis 2d) statt. Nach Ablauf einer bestimmten Zeitdauer wird die Rückführung des Biogasgemisches aus dem frisch beladenen Biogasfermenter (2a bis 2d) beendet. Die Erfindung bezieht sich auf eine Biogasanlage (1), die sich für den Betrieb nach dem erfindungsgemäßen Verfahren eignet.
206.WO/2014/007089DEVICE AND METHOD FOR BIOLOGICALLY DESULFURIZING BIOGAS
WO - 09.01.2014
التصنيف الدولي C10L 3/10
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K111; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
3Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclasses C10G, C10K108; Liquefied petroleum gas
06Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04139
10Working-up natural gas or synthetic natural gas
 رقم الطلب PCT/JP2013/067187 مودع الطلب EBARA JITSUGYO CO.,LTD. المخترع TANAKA Toshihiro
The purpose of the present invention is to provide a device and method for biologically desulfurizing a biogas, in which the hydrogen sulfide contained in a high load is efficiently treated and the hydrogen sulfide to be treated is converted into sulfuric acid to thereby eliminate clogging within the device and eliminate cleaning and other steps, making it possible to conduct the treatment at low cost. The device for biological desulfurization is characterized by being equipped with: a biogas inflow line (2) for causing a biogas to flow into a biological desulfurization tower (1) through an end thereof; a treated-gas outflow line (8) for discharging a treated gas, the line (8) having been disposed so as to extend from the stage which is located at the other end of the biological desulfurization tower and which succeeds a packing layer (1a) that supports a microorganism; a circulating-gas line (9) for circulating some of the treated gas to the end of the biological desulfurization tower into which the biogas flows; and a mixed-gas line (5) which mixes the biogas with the some of the treated gas to supply the mixed gas to the end of the biological desulfurization tower. The device is further characterized in that the hydrogen sulfide load amount is calculated from a value measured with a gas flow meter (3) disposed in the biogas inflow line and from a value measured with a hydrogen sulfide concentration meter (4) disposed in the mixed-gas line, and a mechanism (10) for regulating the amount of the circulating gas is caused to work on the basis of the results.
207.2379681VORRICHTUNG UND VERFAHREN ZUM VERGASEN VON BIOMASSE
EP - 26.10.2011
التصنيف الدولي C10L 3/08
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K111; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
3Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclasses C10G, C10K108; Liquefied petroleum gas
06Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04139
08Production of synthetic natural gas
 رقم الطلب 09793623 مودع الطلب HOLLAND XINBAO B V المخترع ZHANG JIAN CHAO
The invention is in the field of biogas production. In particular the invention is directed to a process and apparatus for the conversion of carbon and hydrogen containing materials into biogas (viz. a gas stream comprising CH4) containing material and subsequent purification of the resulting gas. According to the invention biogas is produced from carbon and hydrogen containing starting material. The unpurified biogas is subsequently purified by subjecting it to a filtration step, which comprises feeding said biogas to at least one cyclone providing cyclone action, at least one water filter where said biogas is washed with water and at least one dry filter where said biogas is dry-filtered, thus producing a purified biogas, followed by subjecting said purified biogas to compression, preferably using a water ring compressor, followed by feeding the compressed gas to a water-gas separator.
208.WO/2010/074574BIOMASS GASIFICATION DEVICE AND PROCESS
WO - 01.07.2010
التصنيف الدولي C10L 3/08
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K111; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
3Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclasses C10G, C10K108; Liquefied petroleum gas
06Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04139
08Production of synthetic natural gas
 رقم الطلب PCT/NL2009/050799 مودع الطلب HOLLAND XINBAO B.V. المخترع ZHANG, Jian Chao
The invention is in the field of biogas production. In particular the invention is directed to a process and apparatus for the conversion of carbon and hydrogen containing materials into biogas (viz. a gas stream comprising CH4) containing material and subsequent purification of the resulting gas. According to the invention biogas is produced from carbon and hydrogen containing starting material. The unpurified biogas is subsequently purified by subjecting it to a filtration step, which comprises feeding said biogas to at least one cyclone providing cyclone action, at least one water filter where said biogas is washed with water and at least one dry filter where said biogas is dry-filtered, thus producing a purified biogas, followed by subjecting said purified biogas to compression, preferably using a water ring compressor, followed by feeding the compressed gas to a water-gas separator.
209.WO/2010/147928BIOGAS APPARATUS AND BIOGAS PRODUCTION PROCESS FOR INTEGRATION WITH AN ETHANOL PRODUCTION SYSTEM AND PROCESS
WO - 23.12.2010
التصنيف الدولي C12P 7/06
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
7Preparation of oxygen-containing organic compounds
02containing a hydroxy group
04acyclic
06Ethanol, i.e. non-beverage
 رقم الطلب PCT/US2010/038593 مودع الطلب EISENMANN CORPORATION المخترع VEIT, Eberhard
An integrated system produces ethanol and biogas from raw plant materials. The system includes a pretreatment apparatus for converting raw plant materials into sugars and a fermenter for fermenting the sugars to produce a beer including ethanol. A distillation apparatus separates the beer into the ethanol and a whole stillage, and a separator then separates the wrhole stillage into a thin stillage and wet distillers grains. A biogas apparatus processes a first portion of the thin stillage to produce biogas and a biogas effluent, and converts a percentage of the non-fermentable solids and organic acids in the thin stillage into biogas. The pretreatment apparatus is supplied with an amount of fresh water and an amount of backset, the backset including the biogas effluent recycled from the biogas apparatus to the pretreatment apparatus.
210.WO/2020/163623SYSTEMS FOR PROCESSING OF BIOGAS TO PRODUCE ELECTRICITY IN FUEL CELLS
WO - 13.08.2020
التصنيف الدولي G06Q 30/06
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
QINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
30Commerce
06Buying, selling or leasing transactions
 رقم الطلب PCT/US2020/017050 مودع الطلب CALIFORNIA BIOENERGY LLC المخترع BUCKENHAM, Ross, N.
A system including biogas purification and provides biogas as feedstock to a solid oxide fuel cell. The biogas purification treatment process provides a polished biogas that is substantially free of carbonyl sulfides and hydrogen sulfide. The system uses a biogas treatment apparatus, that includes apparatus such as a packed columns, comprising copper oxide or potassium permanganate packing material, and an activated carbon component configured to treat the biogas by polishing it to remove carbonyl sulfides and deleterious trace residues, such as hydrogen sulfide, that were not removed by any prior bulk H2S removal steps. In addition, an oil removal device is used to remove any entrained fine oil droplets in the biogas. A polished biogas having in the range of 60% methane is charged to the fuel cell. Electricity generated may be fed into a grid or used directly as energy to charge electrical-powered vehicles, for example. Energy credits are tracked in real time and are appropriately assigned.
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