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The removal of reactive red 2 and methylene blue from aqueous solution was studied using soybean meal as an adsorbent. The effects of some parameters such as solution pH and contact time on the adsorption were investigated. The equilibrium time was found to be more than 60 min for equilibration. Equilibrium data conformed to the Freundlich, Langmuir and Redlich-Peterson isotherm models, where the...
In this paper the natural zeolite from the Sakhaptinsk deposit (Krasnoyarsk Territory) was tested as adsorbent for removal of Fe2+, Fe3+, Mn2+, Ca2+, NH4+ from aqueous solutions and well water of Kozhevnikovsky District (Tomsk Region) under dynamic conditions. The physico-chemical and adsorption properties of the zeolite were studied by XRD, TGA, DTA, FTIR spectroscopy, SEM, chemical analyses. It...
This study describes the removal of carbon tetrachloride (CT) in simulated groundwater sample by an adsorption method using quaternary ammonium salt modified bentonite as adsorbent. The morphology of bentonite before and after modification was observed through scanning electron microscope (SEM). Moreover, the effects of bentonite dosage, adsorption time and temperature on removal rate of CT were investigated...
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