Stainless Steel RTOs for Ethanol Emissions and Odors
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Stainless Steel RTOs for Ethanol Emissions and Odors

Industry: Ethanol / Biodiesel Processing Products:

Stainless Steel RTOs Ethanol Emissions Odorsoverview

A 42 million gallon expansion at an ethanol production plant in Nebraska was certain to put the dry mill out of compliance for emissions such as Hazardous Air Pollutants (HAPs), Volatile Organic Compounds (VOCs), carbon monoxide (CO), nitrogen oxides (NOx), and particulate matter (PM). In general, ethanol production facilities in the United States are permitted to operate under a 'minor source' status as long as the total tonnage of key pollutants are below the 100 or 250 tons per year limit. However operating restrictions, penalties and fines, as well as community pressures are forcing many plants to strive for the lowest possible emission levels, enabling future capacity expansions.

ACTION

Anguil was awarded a multi-million dollar contract to assist the ethanol plant in meeting Environmental Protection Agency (EPA) regulatory requirements.

SOLUTION

Known for their low operating cost and high destruction rate efficiency, the Anguil Regenerative Thermal Oxidizer (RTO) was selected as the best available control technology for the application.  The pollution control device consists of two side-by-side Anguil RTOs handling a process volumetric flow of 120,000 SCFM (Standard Cubic Feet per Minute).  The system will achieve greater than 99% destruction rate efficiency for air pollutants and odorous emissions with 95% thermal energy recovery, insuring low fuel usage.  Portions of the equipment are constructed of 304-stainless steel to protect against corrosion from the ethanol process stream.  The project scope consists of equipment design, manufacturing, installation supervision, process integration and start-up.

While several options and suppliers were considered, Anguil was awarded the contract after the Nebraska producer evaluated system reliability, capital costs, destruction rate efficiency and operating cost estimates.  

Have a similar application?  Let us help, contact Anguil!

8855 North 55th Street

Milwaukee, Wisconsin 53223

United States of America

Phone: 414-365-6400

Fax: 414-365-6410

www.anguil.com