نتایج جستجو برای: dairy effluent
تعداد نتایج: 56118 فیلتر نتایج به سال:
background: wastewater produced by a dairy in sanandaj is a major source of environmental pollution threatening the city. the dairy uses activated sludge treatment to remove organic pollution from the wastewater. the present study evaluated the performance of this process and its compliance with national requirements for chemical oxygen demand (cod), biochemical oxygen demand (bod), and total s...
This paper is a report of the performance of a new design of anaerobic bioreactor called the induced-blanket reactor or IBR. The IBR appears to treat high-solids organic matter (manure) effectively in a relatively short time without plugging. A 28 m (7500 gal), heated IBR has been in operation at the Caine Dairy, Utah State University’s dairy farm, since summer 2000. The bioreactor, an upflow-s...
The investigations presented and discussed herein establish an enhanced understanding on volatile fatty acid (VFA) production as a function of dairy manure fermenter organic loading (OL) and retention time (RT), first through a factorial of 64 fermentation potential (FP) batch tests, followed by analysis of a continuously operated pilot-scale fermenter. The maximum observed net FP - 0.103 mg VF...
Wastewater from dairy industries, characterized by its high COD content and relative high COD/TKN ratio, requires post-treatment after anaerobic treatment to complete the removal of organic matter and nutrients. Due to its simplicity, robustness and low maintenance costs, sequencing batch reactors (SBR) result in an attractive system, especially in case of small dairy industries in order to com...
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