Abatement of cyanide and ammoniacal-N from coke-oven wastewater using natural adsorbents: A comparative study

被引：3
|
作者：
Sain, Manisha [1 ]
Pramanik, Sabyasachi [2 ]
Baltrenaite-Gediene, Edita [3 ]
Ghanta, Kartik Chandra [2 ]
Dutta, Susmita [2 ]
机构：
[1] Natl Inst Technol Durgapur, Dept Earth & Environm Studies, Durgapur 713709, W Bengal, India
[2] Natl Inst Technol Durgapur, Dept Chem Engn, Durgapur 713709, W Bengal, India
[3] Vilnius Gediminas Tech Univ, Inst Environm Protect, Sauletekio Al 11, LT-10223 Vilnius, Lithuania
来源：
JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2021年 / 98卷 / 12期
关键词：
Coke-oven wastewater; Cyanide; Ammoniacal-N; Laterite soil; Shale; REMOVAL; ADSORPTION; NITROGEN; RAW;
D O I：
10.1016/j.jics.2021.100230
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The present study aims at efficient abatement of pollutants from coke-oven wastewater using environment-friendly and low-cost adsorbents for a green world. The adsorbent used were native laterite soil (NLS), heat-treated laterite soil (HTLS), native shale (NS) and Heat-treated shale (HTS). One factor at a time (OFAT) approach was followed to determine the most effective condition based on the maximum removal. Heat-treated laterite soil and native shale were found most effective among their counterparts. Freundlich model was found best to analyze equilibrium data. The real coke-oven wastewater was collected and experiments were performed in batch mode. The percentage removal of cyanide (88.09% and 95.31%) and ammoniacal-N (87.28% and 92.12%) were found satisfactory when heat-treated laterite soil and native shale were used as adsorbents, respectively.
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页数：11
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