Adsorption of Cu(II) ions from aqueous solution by hazelnut husk activated carbon prepared with potassium acetate

被引：15

作者：

Imamoglu, Mustafa ^{[1
]}

Ozturk, Asuman ^{[1
]}

Aydin, Seyma ^{[1
]}

Manzak, Aynur ^{[1
]}

Gundogdu, Ali ^{[2
]}

Duran, Celal ^{[3
]}

机构：

[1] Sakarya Univ, Sci & Arts Fac, Dept Chem, TR-54187 Sakarya, Turkey

[2] Gumushane Univ, Fac Engn & Nat Sci, Dept Food Engn, Gumushane, Turkey

[3] Karadeniz Tech Univ, Dept Chem, Fac Sci, Trabzon, Turkey

来源：

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2018年 / 39卷 / 08期

关键词：

Activated carbon; adsorption; agricultural waste; copper; hazelnut husk; METHYLENE-BLUE; SILICA-GEL; RICE HULLS; REMOVAL; DYE; COPPER(II); ISOTHERM; POLYMER; CR(VI); NI(II);

D O I：

10.1080/01932691.2017.1385479

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hazelnut husk (HH), an agricultural waste, was converted to carbonaceous material by chemical activation using potassium acetate. The produced activated carbon (KAHHAC) was characterized by FTIR, SEM, N-2 adsorption-desorption experiments, CHN elemental analysis, and determination of moisture, ash, and point of zero charge. KAHHAC was used for the batch adsorption of Cu(II) ions from aqueous solutions. Optimum pH and contact time were found to be 5.0 and 240 minutes, respectively. The adsorption equilibrium data were described well by the Langmuir equation providing 105.3mgg(-1) Cu(II) adsorption capacity. The pseudo-second-order model successfully described the kinetic of Cu(II) adsorption by KAHHAC. The adsorbed Cu(II) onto KAHHAC was completely desorbed by 0.5M nitric acid. In conclusion, HH activated carbon (AC) produced by the potassium acetate activation method is a very useful and efficient sorbent material for the removal of Cu(II) from aqueous solution. [GRAPHICS] .

引用

页码：1144 / 1148

页数：5

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