نتایج جستجو برای: metal exchange

تعداد نتایج: 382180  

Journal: :Pamukkale Journal of Eurasian Socioeconomic Studies 2014

Journal: :Journal of Physics D: Applied Physics 2020

2014
Supitcha Rungrodnimitchai

This work describes the preparation of the cellulose phosphate with high ion exchange capacity from rice straw and bagasse for removal of heavy metals. In this study, rice straw and bagasse were modified by the reaction with phosphoric acid in the presence of urea. The introduced phosphoric group is an ion exchangeable site for heavy metal ions. The reaction by microwave heating yielded modifie...

Journal: :Journal of the American Chemical Society 2017
Yuno Lee D Thirumalai Changbong Hyeon

Metal ions play a vital role in many biological processes. An important factor in these processes is the dynamics of exchange between ion bound-water molecules and the bulk. Although structural and dynamical properties of labile waters bound to metal ions, such as Na+ and Ca2+, can be elucidated using molecular dynamics simulations, direct evaluation of rates of exchange of waters rigidly bound...

In present study, molecular dynamics simulation of Cadmium (II), Lead (II) and Copper (II) removal from aqueous electrolyte solutions using the ion-exchange process with the zeolite particles was done. The results showed that, most of the particles had the highest affinity of ion exchanging with Lead (II) and the lowest affinity with Copper (II). The calculated mean ion-exchange ratios showed t...

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