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Related
Topics
Reclamation & Process
Water Reuse
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APPLIATION: Ethanol
Production
Evaporator
Condensate Reclaim
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Client:
Location:
Capacity:
Commissioned:
Feedwater:
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Broin
& Associates - Sioux Falls, SD
Ethanol2000 - Bingham Lake, MN
Al-CornClean Fuel - Claremont, MN
144,000 GPD - Both
Sites
June 1997 - May 1996
Evaporator Condensate from Ethanol Production
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Ethanol production plants generate
wastewater from the evaporator condensate that contains high levels of
organics, corn oils, acids, alcohols etc. Historically these BOD laden wastestreams
have been discharged to the local municipal treatment plants. Alternatively
they are treated in on site lagoons and then discharged to a municipality or
to a lake or river. Discharges are expensive and offer many challenges in
regards to meeting environmental wastewater discharge regulations. More
importantly, discharge requirements dictate where a new plant may be sited.
Process Scientific, Inc. has developed a
treatment process that converts the evaporator condensate wastewater
stream to boiler feedwater. Recovery and reuse of that waste stream
provides a means for the plant to achieve zero liquid discharge.
Evaporator condensate reclaim and
zero liquid discharge provides
flexibility to new projects in allowing site selection that is not dependent
on local water treatment capacity or environmental regulations. The
industry's first condensate recovery and reuse system designed and built for
Broin & Associates by Process Scientific, Inc. has been in operation at
the Al-Corn Ethanol plant since May 1996.
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