Nexterra to develop biomass gasification for wastewater treatment

September 15, 2009
Sept. 15, 2009, Vancouver - Nexterra Systems Corp. has been selected by the City of Stamford, Conn., to develop a biomass gasification system for the Stamford Water Pollution Control Authority (SWPCA). The energy system will supply Stamford with clean renewable thermal energy that will reduce Stamford's fuel costs and carbon footprint.

The proposed Nexterra gasification system will convert locally procured wood waste into clean burning synthetic gas (syngas). The syngas will be used to displace approximately 77,000 MMBtu/year of natural gas currently used by the SWPCA to dry wet biosolids in an existing biosolids dryer manufactured by Andritz Separation. Using the gasification technology, Stamford projects that it will lower its fuel costs by up to $1 million per year and reduce its greenhouse gas emissions by approximately 4,000 tons annually. The system will be designed to meet or outperform local air emissions standards.

To implement the project, scheduled for completion by the end of 2010, Nexterra plans to collaborate with strategic alliance partner Andritz Separation. The project will be funded by U.S. Department of Energy grants and matching funds from the SWPCA. Financing costs associated with funds to be invested by the SWPCA will be more than offset by energy savings that will be realized from the project. Two engineering firms have been retained by Stamford to conduct independent reviews of the project's technical and economic viability before Stamford proceeds.

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