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Critical review in adsorption kinetic models

Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2009年第5期10卷 716-724页

作者： Hui QIU Lu LV Bing-cai PAN Qing-jian ZHANG Wei-ming ZHANG Quan-xing ZHANG State Key Laboratory of Pollution Control and Resource Reuse Department of Environmental Engineering School of the Environment Nanjing University Nanjing 210093 China

Adsorption is one of the most widely applied techniques for environmental remediation. Its kinetics are of great significance to evaluate the performance of a given adsorbent and gain insight into the underlying mechanisms. There are lots of references available concerning adsorption kinetics, and several mathematic models have been developed to describe adsorption reaction and diffusion processes. However, these models were frequently employed to fit the kinetic data in an unsuitable or improper manner. This is mainly because the boundary conditions of the associated models were, to a considerable extent, ignored for data modeling. Here we reviewed several widely-used adsorption kinetic models and paid more attention to their boundary conditions. We believe that the review is of certain significance and improvement for adsorption kinetic modeling.

关键词： Adsorption kinetics reaction models Diffusion models Film diffusion Intraparticle diffusion

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Calculation and analysis of cross-sections for p+^(184)W reactions up to 200 MeV

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Chinese Physics C 2015年第8期39卷 43-49页

作者：孙建平张正军韩银录 Department of Physics Northwest University Science and Technology on Nuclear Data Laboratory China Institute of Atomic Energy

A set of optimal proton optical potential parameters for pd-lS4w reactions are obtained at incident proton energy up to 250 MeV. Based on these parameters, the reaction cross-sections, elastic scattering angular distributions, energy spectra and double differential cross sections of proton-induced reactions on lS4w are calculated and analyzed by using theoretical models which integrate the optical model, distorted Born wave approximation theory, intra- nuclear cascade model, exciton model, Hauser-Feshbach theory and evaporation model. The calculated results are compared with existing experimental data and good agreement is achieved.

关键词： reaction models elastic scattering angular distribution energy spectra double differential cross-section

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