نتایج جستجو برای: secondary effluent

تعداد نتایج: 313129  

2004
K. N. Wood L. Bishop

Ever-tightening regulations on releases to the environment have become a major business factor for the chemical industry. The Organic Chemicals, Plastics, and Synthetic Fibers (OCPSF) effluent guidelines have required many manufacturing sites to expand or upgrade their wastewater treatment plants ("P) at considerable cost. Du Pont has recognized the need to shift the emphasis from "end-of-pipe'...

2014
Lokesh Krishna

The objective of this study was to explore the extent of mineralization of Biodigester Effluent (BDE) by Electrochemical Treatment using aluminum electrodes in monopolar configuration. The benefit of determining a COD/TOC ratio is becoming evident. While both parameters are useful independently, the ratio of the two values, and the fluctuation of this ratio, is an excellent indicator of the org...

Journal: :Journal of water and health 2012
Hui-Wen A Cheng Frances E Lucy Michael A Broaders Sergey E Mastitsky Chien-Hsien Chen Amanda Murray

Municipal wastewater treatment plants play a crucial role in reducing the microbial and pathogen load of human wastes before the end-products are discharged to surface waters (final effluent) or land spread (biosolids). This study investigated the occurrence frequency of noroviruses, Enterococcus faecalis and Enterococcus faecium in influent, final effluent and biosolids from four secondary was...

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