Equilibrium, Kinetic and Optimization Studies for the Adsorption of Tartrazine in Water onto Activated Carbon from Pecan Nut Shells

被引：19
|
作者：
Torres-Perez, J. [1 ]
Huang, Y. [2 ]
Hadi, P. [2 ]
Mackey, H. [3 ]
McKay, Gordon [3 ]
机构：
[1] Univ Autonoma Ciudad Juarez, Dept Ciencias Quim Biol, Inst Ciencias Biomed, Anillo Envolvente del Pronaf & Estocolmo S-N, Ciudad Juarez 32310, Chihuahua, Mexico
[2] Hong Kong Univ Sci & Technol, Fac Engn, Dept Chem & Biomol Engn, Kowloon, Hong Kong, Peoples R China
[3] Hamad Bin Khalifa Univ, Qatar Fdn, Coll Sci & Engn, Div Sustainable Dev,Div Sustainabil,Educ City, Doha, Qatar
来源：
WATER AIR AND SOIL POLLUTION | 2018年 / 229卷 / 03期
关键词：
Pecan nut shell biomass; Active carbon; Tartrazine dye adsorption; Dye wastewater treatment; METHYLENE-BLUE; AQUEOUS-SOLUTIONS; REMOVAL; DYES; SORPTION; EFFLUENT; WASTE; IONS; ADSORBENTS; MODEL;
D O I：
10.1007/s11270-017-3680-2
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A series of experimental studies has been carried out using a novel, sustainable adsorbent to remove Tartrazine dye, namely, a steam activated carbon obtained from pecan nut shells. The dye also known as acid yellow 23 has been used in the food industry but is now classified as a carcinogen. The experimental equilibrium data has been used to test four equilibrium isotherm models and then the best fitting model was optimised to minimise the mass of adsorbent used to save costs in industrial applications using a two-stage batch adsorption system. The experimental contact time data has also been modelled and the best fit model has been used to optimise/minimise the contact time for a range of process conditions.
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页数：16
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