Preparation, characterization, and application of activated carbon from low-cost material for the adsorption of tetracycline antibiotic from aqueous solutions

被引:79
作者
Takdastan, Afshin [1 ,2 ]
Mahvi, Amir Hossein [3 ,4 ]
Lima, Eder C. [5 ]
Shirmardi, Mohammad [2 ,6 ]
Babaei, Ali Akbar [1 ,2 ]
Goudarzi, Gholamreza [1 ,2 ]
Neisi, Abdolkazem [1 ,2 ]
Farsani, Mohammad Heidari [2 ,7 ]
Vosoughi, Mehdi [2 ,6 ]
机构
[1] Ahvaz Jundishapur Univ Med Sci, Environm Technol Res Ctr, Ahvaz, Iran
[2] Ahvaz Jundishapur Univ Med Sci, Sch Publ Hlth, Dept Environm Hlth Engn, Ahvaz, Iran
[3] Univ Tehran Med Sci, Sch Publ Hlth, Dept Environm Hlth Engn, Tehran, Iran
[4] Univ Tehran Med Sci, Inst Environm Res, Ctr Solid Waste Res, Tehran, Iran
[5] Univ Fed Rio Grande do Sul, Inst Chem, Av Bento Goncalves 9500, Porto Alegre, RS, Brazil
[6] Ahvaz Jundishapur Univ Med Sci, Student Res Comm, Ahvaz, Iran
[7] Imam Khomeini Hosp, Dept Waste Management, Abadan, Iran
关键词
activated carbon; adsorption; nonlinear curve fitting; tetracycline; MULTI-WALLED CARBON; COCOA SHELL; REMOVAL; WATER; DYE; NANOTUBES; AMOXICILLIN; COMPOSITE; DEGRADATION; BIOSORPTION;
D O I
10.2166/wst.2016.402
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 study, a new zinc chloride (ZnCl2) impregnated activated carbon (Zn-AC) was prepared from oak charcoals as low-cost material and used as adsorbent for tetracycline (TC) adsorption. The Zn-AC was characterized using field emission-scanning electron microscope, powder X-ray diffraction, and CHNS-O analyses. Specific surface area of the adsorbent was also measured using the Brunauer, Emmett and Teller (BET) isotherm model. The TC adsorption onto the Zn-AC was investigated as a function of solution pH, adsorbent dosage, and inorganic cations (Li+, K+, Mg2+, Ca2+, Ni2+, and Fe3+) and anions (HCO3-, NO3- and SO42-) that could interfere in the adsorption of TC. The adsorbate solution pH had no considerable effect on TC adsorption. The adsorption of TC onto the adsorbent was relatively fast and reached the equilibrium after about 120 min. The results showed that all studied cations and anions decreased TC adsorption onto the Zn-AC, but this decrease in TC adsorption was strongly significant for Fe3+ and Ni2+ ions. The general order kinetic model and the Redlich-Peterson isotherm model provided the best fit to the experimental data. The maximum amount of TC adsorbed onto the Zn-AC (Q(max)) is 282.06 mg g(-1), indicating this adsorbent is a good adsorbent for the removal of TC from aqueous solutions.
引用
收藏
页码:2349 / 2363
页数:15
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