Apparatus and method for biogas purification

Details Apparatus and method for biogas purification Apparatus and method for biogas purification

2011-08-30

2011-08-30

Chiesa, Richard L (Department: 1776)

Gas separation: processes

With control responsive to sensed condition

Concentration sensed

C095S042000, C095S046000, C095S047000, C095S054000, C095S159000, C095S179000, C095S191000, C095S193000, C096S006000, C096S219000, C096S240000, C096S242000, C096S252000

Reexamination Certificate

active

08007567

ABSTRACT:
The present invention is a biogas processing system having a compressor having a biogas input and output, a pump having a water input and output, a scrubber tower having a mixing chamber connected to a biogas input, a water pump input, a water output, and a processed biogas output, and a filtration member connected to the water output to remove contaminants from the water exiting the first scrubber tower. The system also includes devices for heating and cooling the recycled flow of water to enhance the ability of the water to absorb contaminants from the biogas and the ability of a stripper to remove absorbed contaminants from the water in a closed loop water system, and a controller for closely controlling the operating parameters of the system to achieve safe and optimal operation of the system.

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