Results 11 to 20 of about 49,754 (292)

Utilisation des résines échangeuses d’ions pour le nettoyage d’objets métalliques archéologiques ou historiques

CeROArt : Conservation, Exposition, Restauration d'Objets d'Art, 2021
Ion exchange resin was first synthesized in 1930 and is still widely used, mainly for water purification. The compound has already been used in certain restoration operations; however, at present there is no literature dealing with the exchange processes
Marietta Carlino, Elodie Guilminot
doaj   +1 more source

Resin-Loaded Heterogeneous Polyether Sulfone Ion Exchange Membranes for Saline Groundwater Treatment

Membranes, 2022
Arid areas often contain brackish groundwater that has a salinity exceeding 500 mg/L. This poses several challenges to the users of the water such as a salty taste and damage to household appliances.
Fulufhelo Mudau, Machawe Motsa, Francis Hassard, Lueta-Ann de Kock   +3 more
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Fabrication of Hydrogen Boride Thin Film by Ion Exchange in MgB₂

Molecules, 2021
In this study, hydrogen boride films are fabricated by ion-exchange treatment on magnesium diboride (MgB2) films under ambient temperature and pressure.
T. Hirabayashi, S. Yasuhara, S. Shoji, A. Yamaguchi, H. Abe, S. Ueda, H. Zhu, T. Kondo, M. Miyauchi   +8 more
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Research on Resource Recovery Technology for Aluminum Alloy Anodizing Liquor Based on Clean Production [PDF]

Cailiao Baohu
In order to prolong the service life of aluminum alloy anodizing liquor and reduce pollution， aluminum was recovered from the anodizing liquor using ion exchange resin.Based on single factor experiments， response surface optimization experiments were ...
ZHENG Haoqing, WEI Zhe, WEI Lian
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Effect of the resin content in cation-exchange membranes on development of electroconvection

Electrochemistry Communications, 2020
Comparative analysis of the effect of ion-exchanger content in heterogeneous sulfonated ion-exchange membranes Ralex CM Pes produced by MEGA a.s. (Czech Republic) on their microstructure, current-voltage characteristics and intensity of electroconvective
E.M. Akberova, V.I. Vasil'eva
doaj   +1 more source

Ion Exchange Resin and Entrapped Candida rugosa Lipase for Biodiesel Synthesis in the Recirculating Packed-Bed Reactor: A Performance Comparison of Heterogeneous Catalysts

Energies, 2023
Ion exchange resins and immobilized lipase as heterogeneous catalysts are used to synthesize biodiesel for alternative fossil fuels. The use of ion exchange resins in the solid and activated phase can ease the separation process.
Ibnu Maulana Hidayatullah, Frederick Soetandar, Pingkan Vanessa Sudiyasa, Patrick Cognet, Heri Hermansyah   +4 more
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Preparation and Characterization of Polyamidoxime Chelating Resin from Rubberwood Fibre-G-Polyacrylonitrile

Adsorption Science & Technology, 2009
Grafted rubberwood fibre was converted to polyamidoxime ion-exchange resin in order to remove heavy metal ions from aqueous solution. The cation-exchange resin existed predominantly in the syn -hydroxyamino form. The water uptake by the resin was ca.
Faraj A. Abuilaiwi, Muataz Ali Atieh, Mansor B. Ahmad, Nor Azowa Ibrahim, Mohamad Zaki Ab. Rahman, Wan Md. Zin Wan Yunus   +5 more
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Selective Extraction of Cobalt and Copper from Chilean Mine Water by Ion Exchange Resin

Горные науки и технологии, 2020
Heavy metal-containing waste has become one of heavy environmental problems. Processing of such waste accumulated at waste dumps to extract valuable components is commercially beneficial activity and, in addition, decreases environmental impact.
J. Abeywickrama, N. Hoth, M. Ussath, C. Drebenstedt   +3 more
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Ion-exchange-resin-catalyzed adamantylation of phenol derivatives with adamantanols: Developing a clean process for synthesis of 2-(1-adamantyl)-4-bromophenol, a key intermediate of adapalene

Beilstein Journal of Organic Chemistry, 2012
A clean process has been developed for the synthesis of 2-adamantylphenol derivatives through adamantylation of substituted phenols with adamantanols catalyzed by commercially available and recyclable ion-exchange sulfonic acid resin in acetic acid.
Nan Wang, Ronghua Wang, Xia Shi, Gang Zou   +3 more
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Optimasi Biaya dalam Proses Pemurnian Metanol untuk Mengurangi Resin sebagai Limbah Bahan Berbahaya dan Beracun di PT Kaltim Methanol Industri

Jurnal Rekayasa Proses, 2020
Purification process of raw methanol from its impurities to produce pure methanol at PT. Kaltim Methanol Industri (PT KMI) is carried out by several steps, including degassing, distillation, and adsorption.
Reno Imam Arthapersada, Muhammad Kurniawan Adiputra, Indra P Hakim, Imam Karfendi Putro, Asep P Zainuddin, Lisendra Marbelia, Ahmad Tawfiequrahman Yuliansyah   +6 more
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