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Description: Reuse of High-strength Wastewater from Biodiesel Manufacturing
Reuse of High-strength Wastewater from Biodiesel Manufacturing
Abstract
This manuscript describes a full water reuse system installed to treat biodiesel wastewater. Cooking oil and grease from grease traps are waste and are transformed into clean biodiesel fuel – a resource. Wastewater treatment system includes oil and grease trap, fine screen, equalization tank, nanobubbles enhanced flotation system, Hybrid UASB anaerobic bioreactor, aerobic MBR, and optional RO. Sludge is dewatered with screw press and used as animal feed. Treated water is reused in cooling towers.
Biodiesel manufacturing results in production of large amounts of high load wastewater. Residual unreacted methanol from transesterification process along with produced glycerin contribute to high contaminants load. Biodiesel washing also produces emulsified oils. In this manuscript we describe wastewater treatment system installed to produce reuse quality effluent at biodiesel manufacturing plant in dry area of Brazil. Biodiesel is produced from collected waste oil.
SpeakerColic, Miroslav
Presentation time
16:30:00
17:00:00
Session time
15:30:00
17:00:00
SessionThe A to Z's of Refinery Wastewater Treatment
Session locationRoom S501d - Level 5
TopicFacility Operations and Maintenance, Intermediate Level, Sustainability and Climate Change, Water Reuse and Reclamation
TopicFacility Operations and Maintenance, Intermediate Level, Sustainability and Climate Change, Water Reuse and Reclamation
Author(s)
Colic, Miroslav
Author(s)M. Colic 1; L. Rubio-Loza 2 ; M. Colic 1;
Author affiliation(s)Clean Water Technology, Inc. 1; Clean Water Technology South America 2 ;
SourceProceedings of the Water Environment Federation
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Oct 2023
DOI10.2175/193864718825159142
Volume / Issue
Content sourceWEFTEC
Copyright2023
Word count8

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