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Effects and mechanistic aspects of absorbing organic compounds by coking coal
Ning, Kejia1; Wang, Junfeng2; Xu, Hongxiang1,3; Sun, Xianfeng1; Huang, Gen1,3; Liu, Guowei1; Zhou, Lingmei1

cCoal is a porous medium and natural absorbent. It can be used for its original purpose after adsorbing organic compounds, its value does not reduce and the pollutants are recycled, and then through systemic circulation of coking wastewater zero emissions can be achieved. Thus, a novel method of industrial organic wastewater treatment using adsorption on coal is introduced. Coking coal was used as an adsorbent in batch adsorption experiments. The quinoline, indole, pyridine and phenol removal efficiencies of coal adsorption were investigated. In addition, several operating parameters which impact removal efficiency such as coking coal consumption, oscillation contact time, initial concentration and pH value were also investigated. The coking coal exhibited properties well-suited for organics' adsorption. The experimental data were fitted to Langmuir and Freundlich isotherms as well as Temkin and Redlich-Peterson (R-P) models. The Freundlich isotherm model provided reasonable models of the adsorption process. Furthermore, the purification mechanism of organic compounds' adsorption on coking coal was analysed.

KeywordAdsorption Coking Coal Mechanistic Aspects Ph Value Purification Mechanism
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
Indexed BySCI
WOS KeywordWaste-water ; Removal ; Coke ; Equilibrium ; Adsorption ; Carbon
WOS Research AreaEngineering ; Environmental Sciences & Ecology ; Water Resources
WOS SubjectEngineering, Environmental ; Environmental Sciences ; Water Resources
Funding OrganizationNational Natural Science Foundation of China(51604280 ; State Key Laboratory of Mineral Processing(BGRIMM-KJSKL-2015-03) ; 51504262)
WOS IDWOS:000415638000003
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Document Type期刊论文
Affiliation1.China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.State Key Lab Mineral Proc, Beijing 100044, Peoples R China
Recommended Citation
GB/T 7714
Ning, Kejia,Wang, Junfeng,Xu, Hongxiang,et al. Effects and mechanistic aspects of absorbing organic compounds by coking coal[J]. WATER SCIENCE AND TECHNOLOGY,2017,76(9):2280-2290.
APA Ning, Kejia.,Wang, Junfeng.,Xu, Hongxiang.,Sun, Xianfeng.,Huang, Gen.,...&Zhou, Lingmei.(2017).Effects and mechanistic aspects of absorbing organic compounds by coking coal.WATER SCIENCE AND TECHNOLOGY,76(9),2280-2290.
MLA Ning, Kejia,et al."Effects and mechanistic aspects of absorbing organic compounds by coking coal".WATER SCIENCE AND TECHNOLOGY 76.9(2017):2280-2290.
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