Adsorption behavior of Azo Dye C. I. Acid Red 14 in aqueous solution on surface soils
作者： Baocheng QU , Jiti ZHOU , Xuemin XIANG , Chunli ZHENG , Hongxia ZHAO
DOI: 10.1016/S1001-0742(08)62116-6
关键词:
摘要: Azo dyes have received considerable attention because of their association with various human health problems. The aim the investigation is to determine adsorption behavior azo in aqueous solution on DG06, GSE17200, and GSE17201 soils using C. I. Acid Red 14 (AR 14) as example. experimental results indicate that Freundlich model expresses isotherm better than Langmuir pseudo-second-order achieves AR14 three well. Based model, thermodynamic AR DG06 soil been studied thermodynamics parameter AG° determined value shows process mainly physical nature. Furthermore, effects temperature, pH salinity (NaCl) investigated. decrease or increase enhances by GSE17201.
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