Journal of Chemical Technology and Biotechnology
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Magnetic adsorption separation process: an alternative method of mercury extracting from aqueous solution using modified chitosan coated Fe3O4 nanocompositesAbstract BACKGROUND In the present work, Hg (II ) is considered as one of the most dangerous elements being released excessively into the environment from various sources. Therefore, the aim of this study is the removal of Hg (II... hiện toàn bộ
Journal of Chemical Technology and Biotechnology - Tập 92 Số 1 - Trang 188-200 - 2017
Tổng hợp hiệu quả 4‐phenacylideneflavenes sử dụng chất xúc tác gel hóa ion âm Brønsted axit tái chế dưới điều kiện không dung môi và không sử dụng sắc ký cột: một phương pháp xanh và cái nhìn cơ chế Dịch bởi AI Tóm tắt GIỚI THIỆU Các tuyến tổng hợp liên quan đến xúc tác có thể tái chế, điều kiện không dung môi và tinh chế không cần sắc ký đang trở nên phổ biến như những thay thế thuận lợi cho các phương pháp truyền thống. Chúng tôi báo cáo khả năng thú vị sản xuất sự chức năng chọn lọc của 4‐phenacylideneflavenes bằng cách sử dụng một chất...
Journal of Chemical Technology and Biotechnology - Tập 97 Số 3 - Trang 653-661 - 2022
#tổng hợp hóa học #xúc tác tái chế #ion âm Brønsted #phương pháp xanh #4‐phenacylideneflavenes
Microplastics in soils: a review of possible sources, analytical methods and ecological impactsAbstract Microplastics are emerging persistent pollutants that have been extensively detected in aqueous environments. Yet, scientists have little knowledge of microplastic pollution in soils. This study reviewed over 60 articles, with the following objectives: (i) to discuss sources and the global distribution of microplastics in soils; (ii) to evaluate current ext... ... hiện toàn bộ
Journal of Chemical Technology and Biotechnology - Tập 95 Số 8 - Trang 2052-2068 - 2020
Removal of mixture ofcis-1,2-dichloroethylene/trichloroethylene/benzene, toluene, ethylbenzene, and xylenes from contaminated soil byPseudomonas plecoglossicida
Journal of Chemical Technology and Biotechnology - Tập 89 Số 12 - Trang 1934-1940 - 2014
Bioremediation of polycyclic aromatic hydrocarbons: current knowledge and future directionsAbstract Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds that have accumulated in the natural environment mainly as a result of anthropogenic activities such as the combustion of fossil fuels. Interest has surrounded the occurrence and distribution of PAHs for many decades due to their potentially harmful effects to human health. This concer... ... hiện toàn bộ
Journal of Chemical Technology and Biotechnology - Tập 80 Số 7 - Trang 723-736 - 2005
Catalytic degradation of oxygenates in Fischer–Tropsch aqueous phase effluents to fuel gas via hydrodeoxygenation over Ru/AC catalystAbstract BACKGROUND: Aqueous phase Fischer–Tropsch (FT) effluents co‐produced with hydrocarbons in the FT process contain various water‐soluble oxygenates, e.g. carboxylic acids, alcohols. Purification of the FT aqueous phase is important from the viewpoint of effective resource utilization and environmental stewardship. In this work, an aqueo...
Journal of Chemical Technology and Biotechnology - Tập 87 Số 1 - Trang 112-122 - 2012
Catalytic degradation of aqueous Fischer–Tropsch effluents to fuel gas over oxide‐supported Ru catalysts and hydrothermal stability of catalystsAbstract BACKGROUND: The catalytic degradation of aqueous Fischer–Tropsch (FT) effluents to fuel gas over Ru/AC has been investigated. In order to understand the catalytic performance and stability of oxide‐supported Ru catalysts, several oxide supports (titania, zirconia, γ‐alumina and silica) were selected for study, with a focus on the hydr...
Journal of Chemical Technology and Biotechnology - Tập 87 Số 8 - Trang 1089-1097 - 2012
The effect of rapid mixing on the break‐up and re‐formation of flocsAbstract The effect of rapid mixing on floc formation, breakage and re‐formation using aluminium sulfate (‘alum’), polyaluminium chloride and a cationic polyelectrolyte were investigated using a continuous optical monitoring technique. For the aluminium‐based coagulants it was found that, with shorter times of rapid mix, larger flocs were formed, but only limited re... ... hiện toàn bộ
Journal of Chemical Technology and Biotechnology - Tập 79 Số 7 - Trang 782-788 - 2004
Regenerated cellulose membrane prepared with ionic liquid 1‐butyl‐3‐methylimidazolium chloride as solvent using wheat strawAbstract BACKGROUND: Currently, cellulose membranes are prepared by cellulose acetate hydrolysis or chemical derivatization dissolution and regeneration using cotton pulp or wood pulp. In this study, the concept ‘lignocelluloses biorefinery’ was used, and good quality long fiber was fractionated from wheat straw using clean technologies. The o...
Journal of Chemical Technology and Biotechnology - Tập 87 Số 12 - Trang 1634-1640 - 2012
Use of carbon dioxide as feedstock for chemicals and fuels: homogeneous and heterogeneous catalysisAbstract CO2 is considered to play a key role in an eventual climate change, due to its accumulation in the atmosphere. The control of its emission represents a challenging task that requires new ideas and new technologies. The use of perennial energy sources and renewable f...
Journal of Chemical Technology and Biotechnology - Tập 89 Số 3 - Trang 334-353 - 2014
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