نتایج جستجو برای: natural coagulants
تعداد نتایج: 483269 فیلتر نتایج به سال:
Commercial swine waste lagoons are regarded as a major reservoir of natural estrogens, which have the potential to produce adverse physiological effects on exposed aquatic organisms and wildlife. However, there remains limited understanding of the complex mechanisms of physical, chemical, and biological processes that govern the fate and transport of natural estrogens within an anaerobic swine ...
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Multiple vertebral compression fractures occurred in a pregnant woman receiving heparin over nine months. This phenomenon may be more common than is clinically recognised and warrants careful re-examination of the indications and method of administration of anti-coagulants during pregnancy.
Affinity chromatography of human cryosupernatants on anti-human factor VIII-Sepharose yielded a plasma devoid of detectable factor VIIIC, VIIIR:Ag, and VIIIR:WF activities. This plasma was indistinguishable from severe congenital hemophilic plasma when used as substrate in factor VIII coagulant assays.
Background & Aims of the Study: The wastewater created as a result of stone cutting industries enters some pools for re-consumption so that its suspended solids settle by gravity. By taking to account the high volume of water and sludge, treatment of wastewater and removal of sludge cause many problems for stone cutting units. The objective of this study was to determine the quality of wast...
This study applied a filter press for dewatering that uses pressure to reduce the water content of sludge generated in sewage treatment plants and evaluated improvement dewaterability under various coagulation conditions according type coagulants, amounts, pH conditions. The was by measurement time (TTF), change zeta potential, cake after dewatering. It found conditions, inorganic coagulants we...
In Taiwan, the turbidity of raw water for fresh water treatments can sometimes reach as high as 40000 NTU due to intensive rainfall, especially in typhoon seasons. In response, water works often apply large quantities of coagulants such as polyaluminium chloride (PACl). In this study, simulated and natural highly turbid water was coagulated with two PACls, a commercial product (PACl-1) and a la...
Synthetic fibers enter wastewater treatment plants together with natural fibers, which may affect efficiency, a fact not considered in previous studies. Therefore, the aim of present study was to evaluate efficiency coagulation/flocculation process for removal mixture textile from different water matrices. Natural and synthetic (100 mg/L; cotton, polyacrylonitrile, polyamide) were added matrix,...
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