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Description: Use of Alternative Water Sources for a Trigeneration System: a Case Study
Use of Alternative Water Sources for a Trigeneration System: a Case Study
Abstract
Trigeneration is the simultaneous production of electricity, cooling and heating energy. Water is used in a trigeneration system for cooling tower makeup and blow-down. The trade-offs of using alternative water sources – graywater and harvested rainwater – instead of potable water to meet these water demands are studied in the context of a hypothetical university campus. For each water supply source, the total water demand, energy requirements, utility costs and associated greenhouse gas generated for the campus is calculated. The calculations are also repeated for a conventional district supply system using electric chillers and natural gas fired boilers for comparison purposes.
Trigeneration is the simultaneous production of electricity, cooling and heating energy. Water is used in a trigeneration system for cooling tower makeup and blow-down. The trade-offs of using alternative water sources – graywater and harvested rainwater – instead of potable water to meet these water demands are studied in the context of a hypothetical university campus. For each water...
Author(s)
P. GraceD. MyersE. Lopez CalvaS. ZhangP. Mehta
SourceProceedings of the Water Environment Federation
Document typeConference Paper
PublisherWater Environment Federation
Print publication date May, 2013
ISSN1938-6478
DOI10.2175/193864713813503215
Volume / Issue2013 / 3
Content sourceEnergy Conference
Copyright2013
Word count111

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