EOS introduces MicroCglycerin for denitrification

By Susanne Retka Schill | June 09, 2009
Posted June 15, 2009

Environmental Operating Solutions Inc. has introduced MicroCgylcerin as a non-hazardous, environmentally-sustainable alternative to methanol for denitrification applications at municipal and industrial wastewater treatment facilities. The trademarked MicroCglycerin is derived from crude glycerin, a natural co-product of the nation's growing biodiesel industry.

As monitoring of the nation's surface water quality intensifies, wastewater treatment facilities in the United States are increasingly required to upgrade their plants for enhanced nitrogen removal, EOS explained in its product release announcement. In many cases, this requires facilities to add an external carbon source as an electron donor. Historically, methanol has been used as an option, however, methanol fluctuates widely in cost, is flammable, has toxic properties, requires costly storage and feed systems, and is derived from non-renewable natural gas. Moreover, 90 percent of the methanol used in the United States is imported.

"Our customers are very excited about the non-hazardous, environmentally-sustainable and domestically-produced features that our MicroCglycerin product offers versus methanol," said Eric Stoermer, EOS president and CEO. "EOS worked closely with leading U.S. biodiesel producers to ensure that its MicroCglycerin would meet the rigorous requirements of municipal and industrial wastewater treatment facilities. Of primary importance in development of this product was the quality, consistency and reliability of the crude glycerin input materials." EOS has qualified nine biodiesel plants in the United States to supply crude glycerin for its MicroCglycerin product. These facilities represent capacity to produce the raw materials required for up to 32 million gallons of MicroCglycerin annually.

Although recent industry research and pilot efforts confirmed that crude glycerin is a viable and environmentally-sustainable carbon source for denitrification, operational issues had to be addressed to ensure widespread adoption. MicroCglycerin overcomes these challenges with a product that has consistent carbon content, negligible methanol and fatty acids, no insoluble solids, and is compatible with existing pump, storage and feed systems, the company said.

"Early adopters of our MicroCglycerin product have completed successful pilots and achieved significant denitrification results," said Peter Hunt, vice president of sales and marketing at EOS. "If initial results are any indication, we anticipate MicroCglycerin will significantly complement our existing MicroC line of premium carbon sources. The product is currently available throughout North America."
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