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Feasibility of hydraulic power recovery from waste energy in bio-gas scrubbing processes

Pradeep Bansal and Nick Marshall

Applied Energy, 2010, vol. 87, issue 3, 1048-1053

Abstract: This paper investigates the feasibility of recovering waste energy from typical bio-gas upgrading facilities by means of a hydraulic turbine, and presents analysis of different types of hydraulic power recovery turbines. A selection method and analysis is developed which can be applied to an existing process to determine the effectiveness and energy savings of such a system for its economic viability. A practical testing rig was designed and constructed to verify the reliability and consistency of data for the both selection and optimization techniques. It was found that a centrifugal pump operating in reverse flow, essentially as a turbine, could be a possible option for waste energy recovery.

Keywords: Waste; energy; recovery; Bio-gas; scrubbing; Hydraulic; system (search for similar items in EconPapers)
Date: 2010
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Handle: RePEc:eee:appene:v:87:y:2010:i:3:p:1048-1053