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Gas Turbines: A Good Fit for WWTP Heat and Power Systems?

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Traditionally, wastewater treatment plants have utilized digester gas fired boilers or internal combustion engines for on site utilization of digester gas. These technologies have long successful track records and are familiar to the wastewater community. Recent advances in combustion gas turbine technology have made gas turbines more attractive for use at WWTP combined heat and power facilities. Compared to alternative technologies, three areas for which gas turbines excel are:

Low operations and maintenance costs

Opportunities to recover high temperature heat or steam while generating electricity

Ultra low air emissions

The ability to generate high temperature, high quality process heat as clean exhaust gas, as process steam or as hot water makes combustion gas turbines prime candidates for pairing them with various biosolids processing systems such as anaerobic digestion, thermal hydrolysis, and solids drying systems.

Keywords: Combined Heat and Power; Digester gas; Gas Turbines

Document Type: Research Article


Publication date: 2011-01-01

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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