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Civil and Environmental Engineering

Cleveland State University

Theses/Dissertations

Organic wastes -- Purification

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Full-Text Articles in Engineering

Biological Treatment Of Milk And Soybean Wastewater With Bioproducts, Tianzhu Bi Jan 2010

Biological Treatment Of Milk And Soybean Wastewater With Bioproducts, Tianzhu Bi

ETD Archive

Dairy industries discharge larger amounts of wastewater as compared to other food industries. Wastewater contains high amount of total organic carbon materials and nutrients, such as fat, protein, and lactose. Biological treatment is widely used to treat this kind of wastewater due to the fluctuation of amount and content of dairy wastewater. This study investigated removal of total organic carbon (TOC) from two types of dairy wastewater-milk and soy milk wastewater. The bioproducts used in experiments were baker's yeast, beer's yeast, live liquid microorganism (LLMO), Enforcer Overnite Toilet Care Liquid, and Enforcer Overnite Toilet Care Granular. The parameters included in …


Biological Treatment Of Dietary Supplement Wastewater, Erick Benjamin Butler Jan 2009

Biological Treatment Of Dietary Supplement Wastewater, Erick Benjamin Butler

ETD Archive

Dietary supplement wastewater contains higher order polysaccharides such as the complex sugars maltodextrin and low fat milk. These complex sugars contain a significant amount of organic carbon therefore, presence of these sugars can pose threats to the environment if discharged without treatment. While many food processing plants are required to send their waste through wastewater treatment, legislation may require preliminary treatment of these wastes in order to satisfy the effluent discharge requirements. Because of the high organic carbon presence, it would be preferable to use biological treatment methods to reduce the organics present within the system. Microorganisms are capable of …