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Biodiesel Wastewater Treatment

Biodiesel is an alternative fuel for diesel engines that can be made from virtually any oil or fat feedstock. The process of Biodiesel production involves reacting vegetable oils or animal fats catalytically with a short-chain aliphatic alcohols (typically methanol or ethanol). The process requires the removal of dirt and any other non-oil material found in the influent. Water also must be removed so as to not cause the triglycerides to hydrolyze fats to form free fatty acids which can form soap instead of undergoing transesterification to give biodiesel.

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Biodiesel wastewater treatment plant design

Typical triglyceride sources

  • Rendered animal fats, including beef tallow and lard
  • Chicken fat
  • Vegetable oils, including soybean, canola, and palm
  • Recovered materials, including brown grease and soapstock

Biodiesel wastewater treatment requirements

Biodiesel production plants need to clean water removed from their feedstock and process before it can be sent to the sewer.

Ecologix offers customizable treatment solutions to help biodiesel producers meet wastewater discharge requirements and reduce soluble and insoluble pollutants.

Plant design for biodiesel wastewater treatment