Acid green-25 removal from wastewater by anion exchange membrane: Adsorption kinetic and thermodynamic studies

被引：39

作者：

Khan, Muhammad Imran ^{[1
,2
]}

Ansari, Tariq Mahmood ^{[3
]}

Zafar, Shagufta ^{[4
]}

Buzdar, Abdul Rehman ^{[6
]}

Khan, Muhammad Ali ^{[3
]}

Mumtaz, Fatima ^{[1
]}

Prapamonthon, Prasert ^{[5
]}

Akhtar, Mehwish ^{[4
]}

机构：

[1] Univ Sci & Technol China, Sch Chem & Mat Sci, Lab Funct Membranes, CAS Key Lab Soft Matter Chem, Hefei 230026, Anhui, Peoples R China

[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China

[3] Bahauddin Zakariya Univ, Inst Chem Sci, Multan 60000, Pakistan

[4] Govt Sadiq Coll Women Univ, Dept Chem, Bahawalpur, Pakistan

[5] Univ Sci & Technol China, Dept Thermal Sci & Energy Engn, Hefei 230026, Anhui, Peoples R China

[6] HITEC Univ, Dept CSE, Taxila Cantt 47050, Pakistan

来源：

MEMBRANE WATER TREATMENT | 2018年 / 9卷 / 02期

关键词：

adsorption; Acid Green-25; anion exchange membrane; kinetics; Freundlich kinetic model; thermodynamic; exothermic process; GRANULAR ACTIVATED CARBON; AQUEOUS-SOLUTION; METHYL-ORANGE; EFFICIENT REMOVAL; TEXTILE DYE; CONGO RED; AZO DYES; EQUILIBRIUM; RESIN; COMPOSITE;

D O I：

10.12989/mwt.2018.9.2.079

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this work, batch adsorption of anionic dye acid green-25 (AG-25) from aqueous solution has been carried out at room temperature using anion exchange membrane (DF-120B) as a noval adsorbent. The effect of various experimental parameters such as contact time, membrane dosage, ionic strength and temperature on the adsorption of dye were investigated Kinetic models namely pseudo-first-order, pseudo-second-order, Elovich, liquid film diffusion, Bangham and modified freundlich models were employed to evaluate the experimental data. Parameters like adsorption capacities, rate constant and related correlation coefficients for every model are calculated and discussed. It showed that adsorption of AG-25 onto DF-120B followed pseudo-first-order rate expression. Thermodynamic study indicates that adsorption of AG-25 onto DF-120B is an exothermic and spontaneous process.

引用

页码：79 / 85

页数：7

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