Title:
BIOGAS PRODUCTION DEVICE, BIOGAS UTILIZATION DEVICE, BIOGAS PRODUCTION METHOD, AND BIOGAS UTILIZATION METHOD
Document Type and Number:
Japanese Patent JP2022131810
Kind Code:
A
Abstract:
To provide a biogas production device and a biogas production method, and a biogas utilization device and a biogas utilization method using the same, wherein the biogas production device and the biogas production method can stably supply a biogas with a high methane concentration to a biogas consumption device.SOLUTION: A biogas production device 1 comprises: a fermentation tank 10 that produces a biogas by anaerobic fermentation of a biomass feedstock; a biogas purification device 20 that concentrates methane in the biogas supplied from the fermentation tank 10 to produce a purified biogas; and a gas tank 30 that stores the purified biogas supplied from the biogas purification device 20, wherein at least a portion of the purified biogas removed from the gas tank 30 is returned to the fermentation tank 10 and is circulated between the fermentation tank 10 and the gas tank 30.SELECTED DRAWING: Figure 1
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Inventors:
KAWAGUCHI NOBORU
FUJINUMA MASAKUNI
FUJINUMA MASAKUNI
Application Number:
JP2021030948A
Publication Date:
September 07, 2022
Filing Date:
February 26, 2021
Export Citation:
Assignee:
HONDA MOTOR CO LTD
International Classes:
C10L3/10; B09B3/65
Attorney, Agent or Firm:
田▲崎▼ 聡
Suzuki Shingo
Taichi Sakai
Shinichi Watanabe
Suzuki Shingo
Taichi Sakai
Shinichi Watanabe