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公开(公告)号：US20240025784A1
公开(公告)日：2024-01-25
申请号：US17814404
申请日：2022-07-22
Applicant: TRANE INTERNATIONAL INC.
Inventor： Stanley Scott Selman , Thomas Garrott Brown
CPC classification number: C02F3/341 , C02F3/005 , C02F3/2806 , C02F3/343 , C02F2103/005
Abstract: A system and method are each directed to generating a biogas including methane by bacterial digestion of waste materials under anaerobic conditions. The waste digestion system includes three processing stages and a biogas production unit. The waste material is provided in the form of a water based slurry including solid particles having a distribution of particle sizes. The three processing stages are configured to remove and/or process the solid particles in the slurry, such that the biogas production unit receives a feedstock enriched in solid particles having a particle size suited for efficient digestion. The method generally includes processing the waste material in the three processing stages, digesting the waste material under anaerobic conditions, thereby generating the biogas.
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Patent Agency Ranking
公开(公告)号：US11952300B2
公开(公告)日：2024-04-09
申请号：US17938887
申请日：2022-10-07
Applicant: TRANE INTERNATIONAL INC.
Inventor： Charles Don Yochum , Stanley Scott Selman , Nathalie Shaffer
IPC: C02F3/28 , C02F1/46 , C02F1/463 , C02F11/04 , C12M1/00 , C12M1/107 , C02F1/00 , C02F103/20 , C02F103/22 , C12M1/33
CPC classification number: C02F3/2813 , C02F1/463 , C02F3/2806 , C02F3/284 , C02F11/04 , C12M21/04 , C12M47/10 , C02F2001/007 , C02F2103/20 , C02F2103/22 , C02F2203/006 , C02F2303/06 , C02F2303/24 , C12M45/02 , Y02E50/30 , Y02W10/20
Abstract: Methane is generated from animal waste by anaerobic digestion using bacteria. A screen separator removes suspended solids greater in size than a predetermined size ranging from about 50μ to about 150μ. An electrocoagulation unit electrochemically hydrolyses the waste, causing particles to settle out. A dissolved carbon air flotation has a CO2 bubbler for separating large particles from small particles by flotation. An anaerobic digester produces biogas. The digester has a biocurtain for growing the bacteria and a heat exchanger for heating the bacteria. The biocurtain surface is convoluted to retain the bacteria. A membrane module removes CO2. A knock out pot for removes droplets of water. A scrubber removes water vapor, particulates, and contaminant gas. A compressor boosts pressure. A gas chromatograph monitors the biogas composition. A flare skid lowers excess pressure for safety. Biogas is injected into a local pipeline system. A process control is used for controlling the anaerobic waste digestion system.
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公开(公告)号：US20230150853A1
公开(公告)日：2023-05-18
申请号：US17938887
申请日：2022-10-07
Applicant: TRANE INTERNATIONAL INC.
Inventor： Charles Don Yochum , Stanley Scott Selman , Nathalie Shaffer
CPC classification number: C02F3/2813 , C02F1/463 , C02F3/284 , C02F3/2806 , C02F11/04 , C12M21/04 , C12M47/10 , C02F2001/007 , C02F2203/006
Abstract: Methane is generated from animal waste by anaerobic digestion using bacteria. A screen separator removes suspended solids greater in size than a predetermined size ranging from about 50 µ to about 150 µ. An electrocoagulation unit electrochemically hydrolyses the waste, causing particles to settle out. A dissolved carbon air flotation has a CO2 bubbler for separating large particles from small particles by flotation. An anaerobic digester produces biogas. The digester has a biocurtain for growing the bacteria and a heat exchanger for heating the bacteria. The biocurtain surface is convoluted to retain the bacteria. A membrane module removes CO2. A knock out pot for removes droplets of water. A scrubber removes water vapor, particulates, and contaminant gas. A compressor boosts pressure. A gas chromatograph monitors the biogas composition. A flare skid lowers excess pressure for safety. Biogas is injected into a local pipeline system. A process control is used for controlling the anaerobic waste digestion system.
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公开(公告)号：US11465922B2
公开(公告)日：2022-10-11
申请号：US17156250
申请日：2021-01-22
Applicant: Trane International Inc.
Inventor： Charles Don Yochum , Stanley Scott Selman , Nathalie Shaffer
IPC: C02F3/28 , C02F11/04 , C02F1/46 , C12M1/107 , C02F1/463 , C12M1/00 , C02F1/00 , C02F103/22 , C02F103/20 , C12M1/33
Abstract: Methods for generating methane from animal waste by anaerobic digestion using bacteria. A screen separator removes suspended solids greater in size than a predetermined size ranging from about 50μ to about 150μ. An electrocoagulation unit electrochemically hydrolyses the waste, causing particles to settle out. A dissolved carbon air flotation has a CO2 bubbler for separating large particles from small particles by flotation. An anaerobic digester produces biogas. The digester has a biocurtain for growing the bacteria and a heat exchanger for heating the bacteria. The biocurtain surface is convoluted to retain the bacteria. A membrane module removes CO2. A knock out pot for removes droplets of water. A scrubber removes water vapor, particulates, and contaminant gas. A compressor boosts pressure. A gas chromatograph monitors the biogas composition. A flare skid lowers excess pressure for safety. Biogas is injected into a local pipeline system. A process control is used for controlling the anaerobic waste digestion system.
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公开(公告)号：US20210171376A1
公开(公告)日：2021-06-10
申请号：US17156250
申请日：2021-01-22
Applicant: Trane International Inc.
Inventor： Charles Don Yochum , Stanley Scott Selman , Nathalie Shaffer
Abstract: Methods for generating methane from animal waste by anaerobic digestion using bacteria. A screen separator removes suspended solids greater in size than a predetermined size ranging from about 50 μ to about 150 μ. An electrocoagulation unit electrochemically hydrolyses the waste, causing particles to settle out. A dissolved carbon air flotation has a CO2 bubbler for separating large particles from small particles by flotation. An anaerobic digester produces biogas. The digester has a biocurtain for growing the bacteria and a heat exchanger for heating the bacteria. The biocurtain surface is convoluted to retain the bacteria. A membrane module removes CO2. A knock out pot for removes droplets of water. A scrubber removes water vapor, particulates, and contaminant gas. A compressor boosts pressure. A gas chromatograph monitors the biogas composition. A flare skid lowers excess pressure for safety. Biogas is injected into a local pipeline system. A process control is used for controlling the anaerobic waste digestion system.
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公开(公告)号：US10899640B1
公开(公告)日：2021-01-26
申请号：US16704750
申请日：2019-12-05
Applicant: Trane International Inc.
Inventor： Charles Don Yochum , Stanley Scott Selman , Nathalie Shaffer
Abstract: Methane is generated from animal waste by anaerobic digestion using bacteria. A screen separator removes suspended solids greater in size than a predetermined size ranging from about 50μ to about 150μ. An electrocoagulation unit electrochemically hydrolyses the waste, causing particles to settle out. A dissolved carbon air flotation has a CO2 bubbler for separating large particles from small particles by flotation. An anaerobic digester produces biogas. The digester has a biocurtain for growing the bacteria and a heat exchanger for heating the bacteria. The biocurtain surface is convoluted to retain the bacteria. A membrane module removes CO2. A knock out pot for removes droplets of water. A scrubber removes water vapor, particulates, and contaminant gas. A compressor boosts pressure. A gas chromatograph monitors the biogas composition. A flare skid lowers excess pressure for safety. Biogas is injected into a local pipeline system. A process control is used for controlling the anaerobic waste digestion system.
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