BOUGAINVILLEA GLABRA LEAVES FOR ADSORPTION OF CONGO RED FROM WASTEWATER

被引：0

作者：

Khan, Muhammad Imran ^{[1
]}

Zafar, Shagufta ^{[2
,3
]}

Khan, Muhammad Ali ^{[4
]}

Mumtaz, Fatima ^{[1
]}

Prapamonthon, Prasert ^{[5
]}

Buzdar, Abdul Rehman ^{[6
]}

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] Islamia Univ Bahawalpur, Dept Chem, Bahawalpur 63000, Pakistan

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

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

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

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

来源：

FRESENIUS ENVIRONMENTAL BULLETIN | 2018年 / 27卷 / 03期

关键词：

Adsorption; Congo Red; Bougainvilia Glabra; Langmuir isotherm. Pseudo-second-order model; Endothermic process; ACID BLUE 25; AQUEOUS-SOLUTIONS; DYE ADSORPTION; ACTIVATED CARBON; METHYLENE-BLUE; BASIC DYE; REMOVAL; EQUILIBRIUM; ADSORBENT; VIOLET;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this manuscript, the removal of Congo Red (CR) from aqueous solution was investigated in batch mode using leaves powder of Bougainvillea glabra (BG) as a bioadsorbent. The influence of contact time, initial dye concentration, temperature and ionic strength on the removal of dye from aqueous solution was studied. The pseudo-first-order, pseudo-second Elovich and liquid film diffusion models were used to describe the kinetics of adsorption process. The experimental data fitted well to pseudo-second-order. The experimental data were analyzed by Langmuir, Freundlich, Dubinin-Radushkevich (D-R) and Temkin isotherms models. The adsorption data fitted well to the Freundlich isotherm. Thermodynamics study showed that the adsorption of CR onto leaves powder of BG was endothermic and spontaneous in nature.

引用

页码：1456 / 1465

页数：10

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