Opportunities for energy efficiency enhancements in the oil and gas industry using waste heat powered absorption chillers

Sahil Popli, Peter Rodgers, Valerie Eveloy, Saleh A.L. Hashimi, Reinhard Radermacher, Yunho Hwang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The oil and gas industry is under increasing pressure to improve the efficiency of its energy-intensive oil and gas processing operations, through improved energy utilization and waste heat recovery. This paper explores the use of waste heat-powered absorption cooling to boost the efficiency of natural gas (NG) processing, enhance hydrocarbon recovery and reduce utility cost in a NG plant. A thermodynamic analysis of a gas turbine waste heat-powered double-effect H2O-LiBr absorption chiller in an integrated NG plant is presented. It is found that waste heat recuperated from the turbine exhaust gases could be used to provide enhanced process cooling capacity to the NG plant through absorption cooling. The results suggest that a double-effect LiBr absorption chiller utilizing 34.6 MW of gas turbine exhaust heat could provide 45 MW of cooling at 5°C. This could save approximately 9 MW of electric energy required by a typical compression chiller while providing an equivalent amount of cooling.

Original languageBritish English
Title of host publicationSociety of Petroleum Engineers - 14th Abu Dhabi International Petroleum Exhibition and Conference 2010, ADIPEC 2010
Pages2288-2297
Number of pages10
StatePublished - 2010
Event14th Abu Dhabi International Petroleum Exhibition and Conference 2010, ADIPEC 2010 - Abu Dhabi, United Arab Emirates
Duration: 1 Nov 20104 Nov 2010

Publication series

NameSociety of Petroleum Engineers - 14th Abu Dhabi International Petroleum Exhibition and Conference 2010, ADIPEC 2010
Volume3

Conference

Conference14th Abu Dhabi International Petroleum Exhibition and Conference 2010, ADIPEC 2010
Country/TerritoryUnited Arab Emirates
CityAbu Dhabi
Period1/11/104/11/10

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