نتایج جستجو برای: modified bentonites
تعداد نتایج: 250953 فیلتر نتایج به سال:
use of wastewater treatment methods in aquaculture is one of the main ways for decreasing the environmental effects of this industry and applies the best management practices (bmps). anionic compounds are the main pollutants in recirculation aquaculture systems. ion exchangers such as clays are vastly applied in waste water industry but in aquaculture systems at yet there isn't any report ...
The Alternative Buffer Material ABM5 experiment is an in situ medium-scale performed at Äspö Hard Rock Laboratory (HRL) conducted by SKB Sweden with the aim of analysing long-term stability bentonites used as engineering barrier for a high-level radioactive waste repository (HLWR). In this work, four different ring-shaped Ca- and Na-bentonite blocks, which were piled around carbon steel cylindr...
Protein profile change of Bulgarian Chardonnay wine under the influence treatment with bentonite was studied. concentration determined using Bradford assay, while fractionation performed via sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The amount protein found in original 147.1 mg/dm3, expressed as bovine serum albumin divided into 9 electrophoretic fractions. Low molecular weight...
Tightening legislation on the emission of hazardous pollutants is driving chemical industries towards the implementation of innovative “clean technology” including the use of alternative heterogeneously catalyzed processes. This prompted us to examine the catalytic potential of Indian clays for fine chemical synthesis. Catalytic activity of clay minerals from India was only less studied. In the...
The island of Milos is an active mining site since the Antiquity. Exploitation began with extraction obsidian lumps and volcanic lavas tuffs specific type, that were used as millstones, sulphur alum (alunite). Currently, activity focused on perlite bentonite, even though some years ago, kaolin, silica, pozzolans barite also exploited. bentonite rather a specialty not commodity, it has multifunc...
Contamination of water resources with pesticides residues becomes a pressing problem in Gaza due to the frequent application of pesticides in the intensive agricultural system. This study tests the potential of using organo-bentonite as a porous material to remove bromoxynil residues from contaminated water. Bentonite surfaces were activated for removal of bromoxynil residues from water by simp...
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