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1. (WO2017040268) METHOD AND APPARATUS FOR TREATING BIOGAS

Pub. No.:    WO/2017/040268    International Application No.:    PCT/US2016/048951
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Sat Aug 27 01:59:59 CEST 2016
IPC: B01D 53/18
B01D 53/74
B01D 53/78
B01D 53/79
Applicants: ENERGY TECH INNOVATIONS, LLC
Inventors: JOHNSON, Bryan, R.
Title: METHOD AND APPARATUS FOR TREATING BIOGAS
Abstract:
Multiple risers are provided to perform different steps in a biogas water wash process. The risers may include absorption risers, flashing risers, and stripping risers. In each riser, the inlets to provide fluids to the riser and outlets to remove fluids from the risers are provided atone end of the riser. Each riser may then be located substantially below grade such that the end with the inlets and outlets is accessible at or just above the ground level. The risers within each step of the water wash process may be connected in series, parallel, or a combination thereof. The risers may also be constructed of a polyethylene material to reduce cost, and weight of the water wash system.