Adsorption efficiency of date palm based activated carbon-alginate membrane for methylene blue

被引：81

作者：

Durrani, Wishal Zia ^{[1
]}

Nasrullah, Asma ^{[1
]}

Khan, Amir Sada ^{[1
]}

Fagieh, Taghreed M. ^{[2
]}

Bakhsh, Esraa M. ^{[2
]}

Akhtar, Kalsoom ^{[2
]}

Khan, Sher Bahadar ^{[2
,3
]}

Din, Israf Ud ^{[4
]}

Khan, Muhammad Azam ^{[5
]}

Bokhari, Awais ^{[6
,7
]}

机构：

[1] Univ Sci & Technol, Dept Chem, Bannu 28100, Khyber Pakhtunk, Pakistan

[2] King Abdulaziz Univ, Fac Sci, Dept Chem, POB 80203, Jeddah 21589, Saudi Arabia

[3] King Abdulaziz Univ, Ctr Excellence Adv Mat Res, POB 80203, Jeddah 21589, Saudi Arabia

[4] Prince Sattam Bin Abdulaziz Univ, Coll Sci & Humanities, Dept Chem, POB 173, Al Kharj, Saudi Arabia

[5] Pir Mehr Ali Shah Arid Agr Univ, Dept Hort, Rawalpindi 46300, Pakistan

[6] COMSATS Univ Islamabad CUI, Dept Chem Engn, Lahore Campus,Def Rd Off Rawind Rd, Lahore 54000, Punjab, Pakistan

[7] Brno Univ Technol VUT Brno, Fac Mech Engn, NETME Ctr, Sustainable Proc Integrat Lab, Tech 2896-2, Brno 61669, Czech Republic

来源：

CHEMOSPHERE | 2022年 / 302卷

关键词：

Activated carbon; Composite membrane; Adsorption; Isotherm study; Thermodynamic study; AQUEOUS-SOLUTION; PROCESS OPTIMIZATION; CR(VI) ADSORPTION; NAOH ACTIVATION; REMOVAL; DYE; KINETICS; THERMODYNAMICS; EQUILIBRIUM; WASTE;

D O I：

10.1016/j.chemosphere.2022.134793

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In the current study, activated carbon (AC) was prepared from date palm using single step activation using boric acid as an activating agent. The synthesized AC was incorporated with alginate (AC-alginate (AC-alg)) to prepare membrane for adsorption of methylene blue (MB) in batch adsorption study. The prepared membrane was characterized using different types of analytical techniques such as FTIR, SEM, and TGA analysis. Adsorption of methylene blue dye from aqueous solution was carried out using AC-alg membrane in batch investigation. Various experimental parameters effecting the adsorption of MB on membrane such as initial pH of dye solution, contact time, concentration of dye solution and temperature were optimized to get maximum adsorption efficiency. Kinetics, isotherm and thermodynamics study was performed for dye adsorption. Pseudo-second order kinetic model and Langmuir adsorption isotherm were well fitted to the experimental data. The maximum adsorption capacity for MB adsorption was 666 mg/g found by Langmuir adsorption isotherm. Thermodynamic study revealed that the adsorption of MB on AC-alg membrane is spontaneous and an exothermic process. The

引用

页数：9

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