نتایج جستجو برای: wastewater disposal
تعداد نتایج: 51476 فیلتر نتایج به سال:
background: the modeling aims to simulate or optimize a process in physical, chemical or biological environments and the derived model will provide a considerable assistance to generate data and predict unknown condition, in case of sufficient suitability. unsuitable disposal and elimination of waste tires have polluted the environment and human life areas, it also have caused removal of a huge...
| More from the authors | Email niuxx@ eyou.com | Citation export 9. Pretreatment of petrochemical wastewater by coagulation and flocculation and the sludge characteristics. Verma S, Prasad B, Mishra IM: J Hazard Mater; 2010 Jun 15;178(1-3):1055-64 Abstract | More from the authors | Citation export 10. Evaluation of reusing alum sludge for the coagulation of industrial wastewater containing mix...
A study was conducted which focused on movement of naturally occurring human enteroviruses from a subsurface wastewater disposal system through a shallow aquifer. The potential for significant entrainment of virus particles was evidenced by their recovery at down-gradient distances of 67.05 m and from aquifer depths of 18 m. A significant negative correlation was observed between virus occurren...
Common technologies for heavy metal removal are membrane separation, ion exchange, electro-deposition, and chemical precipitation. These methods prove to be costly and inept, especially in removing trace amounts of heavy metals [2]. Another disadvantage is the production of sludge or mud, which requires proper disposal and confi nement [3]. On the other hand, adsorption eff ectively removes con...
Wastewater management in two companies representing the pharmaceutical industry was investigated and implemented. The results showed that the integration of the pollution prevention approach followed by an equalization tank reduced the organic load up to 70%, while further chemical treatment using either alum or ferric chloride aided with lime produced a quality of effluent suitable for restric...
Anaerobic processes present a high potential in most developing countries for municipal wastewater treatment, and thus is a suitable and economical solution. The anaerobic process can serve as a viable alternative, compared to conventional aerobic processes. Within the spectrum of anaerobic sewage treatment technologies, the upflow anaerobic sludge blanket (UASB) reactor offers great promise, e...
Water and wastewater management constitutes a practical problem for the food and beverage industry including the brewing industry. In spite of significant improvement over the last 20 years, water consumption and disposal remain critical from an environmental and economic standpoint. This paper gives an overview of the world beer market in order to highlight the heterogeneity in capacity of glo...
The winery and distillery industry generates an increasing amount of wastes, whose management and disposal constitute an environmental concern due to their seasonal character and some polluting characteristics. The main solid by-products and residues generated are grape stalk, grape pomace or marc, wine lee, exhausted grape marc and winery sludge, while the main effluents are winery wastewater ...
Occurrence of helminthic parasites of human origin in sewage is a major public health concern. Dependent upon the size of the community as well as the prevalence of infection within the community, municipal wastewater can contain varying numbers of Ascaris sp. and other helminthic ova. Infectious diseases caused by fecal pathogens are principal cause of human morbidity worldwide, particularly i...
Disposing of sewage sludge in an economical and environmentally acceptable manner is a problem for all communities that have wastewater treatment plants , Similarly , many com munities are having to dispose of increasing quantities of solid waste. These problems could be solved by co-disposal of sludge and solid waste in a common facility. This study , .‘nvnH .. -- au &LLnAE -' .‘maLnH .. o...
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