نتایج جستجو برای: low cost absorbent
تعداد نتایج: 1495781 فیلتر نتایج به سال:
Apatite ore from Lao Cai province (Vietnam) has large reserves and low cost which was purified by a simple chemical method. one were characterized the molecular structure, phase component, specific surface area, element morphology IR, XRD, BET, EDX, SEM methods. The IR result shows both materials have functional groups of fluorapatite such as PO43- F-. XDR EDX confirm that main component is flu...
Background and purpose: Ammonia in form of ammonium ions pollutes the acceptor water through industrial, domestic and agricultural wastewater. Ammonium ions are toxic and could decrease the dissolved oxygen in water and endanger the aquatic life. One of the conventional methods for removing ammonia from water and wastewater is exchanging the ions using zeolites. The aim of this study was to ass...
Activation of Th1 or Th2 cells is associated with production of specific immunoglobulin isotypes, offering the opportunity to use antibody measurement for evaluation of T cell function. Schistosomiasis and visceral leishmaniasis are diseases associated with Th2 activation. However, an IgE response is not always detected in these patients. In the present study we evaluated specific IgE antibodie...
According to the world Summit of sustainable Development, major reason for lack safe water is either scarcity or contamination sources. Therefore this study eye on developing nations, seeks find sustainable, yet economically and socially practical solution problems associated with polluted water. To fulfil objectives present study, two medicinal value plants Dhav (Anogeissuslatifolia wall.) Ara...
Textile wastewater including a large number of dyes and heavy metals can have adverse impacts on human health surface water. In this work, biosorption Toluidine Blue from aqueous media onto natural Polypourus squamosus fungi as low-cost biosorbent was investigated. Central Composite Design (CCD) in Response Surface Methodology (RSM) successfully applied to optimize the condition. Medium paramet...
Introduction:Arsenic is a common toxic element that is mainly transported in the environment by water. Arsenic in drinking water is of major concern to many of the water utilities in the world. Therefore, the objective of this study was selected biosorption of arsenic by inactive Saccharomyces cerevisiae as low-cost biological adsorbent from aqueous solution. Methods:This experimental study wa...
Background & Aim: Industrial wastewater is one of the most important sources of hazardous pollutant emissions. Having high levels of various dyes, textile wastewater is considered as one of the major environmental pollutants. The aim of this study was to compare the efficiency of almond shell ash as a natural absorbent in comparison to commercial activated carbon in removing basic red 18 dye fr...
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