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Progress in Color, Colorants and Coatings، جلد ۱۰، شماره ۲، صفحات ۱۱۵-۱۲۸
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عنوان انگلیسی Basic dyes Removal by Natural Salvadora Persica Adsorbent
چکیده انگلیسی مقاله In this paper, the results of studies of the sorption activity of Salvadora Persica fine particles that were provided from internal natural resources at Iran, with respect to Crystal Violet, Basic Violet-16 and Basic Blue-41 dyes were presented. Thus, Salvadora Persica particles were modified and prepared via particle size decreasing and characterized by CHNS, XRD, SEM and FT-IR analysis. In the batch system the influence of pH, adsorbent dosages and dye initial concentration was investigated. The results of isotherm and kinetics studies show that the Langmuir isotherm and pseudo-second order kinetic have better correlation with the experimental data. Calculations of thermodynamic parameters show negative Gibbs free energy ∆G values or spontaneous reaction, the enthalpy ∆H changes shows the exothermic process and values of entropy ∆S indicate low randomness at the solid/solution interface during the uptake of dyes. So, these locally available cheap adsorbent for the removal of basic dyes from the aqueous solution has high efficiency, also can be utilized for other water pollutants such as toxic elements.
کلیدواژه‌های انگلیسی مقاله Salvadora persica,Basic dyes,Adsorption,Wastewater Treatment
نویسندگان مقاله A. Hamidi |
Faculty of Mining, Petroleum and Geophysics Engineering, Shahrood of University Technology

K. Seifpanahi-Shabani |
Faculty of Mining, Petroleum and Geophysics Engineering, Shahrood University of Technology

M. Karamoozian |
Faculty of Mining, Petroleum and Geophysics Engineering, Shahrood of University Technology

نشانی اینترنتی http://pccc.icrc.ac.ir/article_75716_eec096c837d16f09eb244803aab6331b.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/535/article-535-1015362.pdf
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زبان مقاله منتشر شده en
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