Adsorption behaviors of typical aromatic pollutants in biologically treated coking wastewater on powdered coal

• Autorzy: Sun H. , Wang Y. , Bian Y. , He X. , Li G.

Identyfikatory

DOI

10.5277/ppmp1850

• Języki publikacji: EN

Abstrakty

EN

The raw coal was utilized as adsorbent based on its remarkable adsorption ability of coal slime to organic compounds in the flotation process. This paper mainly investigates adsorption behaviors of benzpyrole (BZP), pyrrole (PR) and benzoic acid (BA) on powdered coal (PC). In the monocomponent solution, the removal efficiencies of BZP, PR and BA reached 85.23%, 55.02% and 24.84% at PC dosage of 20 g/dm3. Adsorption behaviors of three pollutants fitted perfectly to the pseudo-second order kinetics model and liquid film diffusion occupied the largest proportion in rate-limiting step according to the diffusion rates. Furthermore, the influences of pH on adsorption behaviors and competitive adsorption mechanism of three pollutants were also reported.

Słowa kluczowe

EN

aromatic pollutants; wastewater treatment; adsorption affinity; competitive adsorption

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2018
• Tom: Vol. 54, iss. 2
• Strony: 496--504
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Sun H.

• Chinese National Engineering Research Center of Coal Preparation and Purification, China University of Mining &Technology, Xuzhou 221116, Jiangsu, China
• School of Chemical Engineering and Technology, China University of Mining &Technology, Xuzhou221116, Jiangsu, China

autor

Wang Y.

• Chinese National Engineering Research Center of Coal Preparation and Purification, China University of Mining &Technology, Xuzhou 221116, Jiangsu, China
• School of Chemical Engineering and Technology, China University of Mining &Technology, Xuzhou221116, Jiangsu, China

autor

Bian Y.

• Chinese National Engineering Research Center of Coal Preparation and Purification, China University of Mining &Technology, Xuzhou 221116, Jiangsu, China
• School of Chemical Engineering and Technology, China University of Mining &Technology, Xuzhou221116, Jiangsu, China

autor

He X.

• School of Chemical Engineering and Technology, China University of Mining &Technology, Xuzhou221116, Jiangsu, China

autor

Li G.

• School of Chemical Engineering and Technology, China University of Mining &Technology, Xuzhou221116, Jiangsu, China
• Chinese National Engineering Research Center of Coal Preparation and Purification, China University of Mining &Technology, Xuzhou 221116, Jiangsu, China

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).