Two-Stage, Low-Rate Anaerobic Treatment of Carbohydrate Wastewater from Two Food Processing Plants: Making the System Work
Abstract:High-strength carbohydrate wastewater is discharged from a variety of food processing plants that manufacture such products as candy, soft drinks, beer and alcohol, sugar-cured hams, flour, starch, and baked goods. Because the carbohydrates are primarily soluble the waste strength (BOD5) cannot be reduced, significantly, by screening, settling, or dissolved air flotation. The soluble carbohydrates cannot be precipitated through the use of chemicals for removal from the waste stream. Consequently, if the waste strength (BOD5) needs to be reduced prior to discharge to a municipal sewer system or to a subsequent aerobic treatment step due to regulatory requirements or the desire to reduce power costs, one of the remaining viable options is anaerobic pretreatment.
Document Type: Research Article
Publication date: January 1, 2004
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