壳聚糖基氮化硼吸附剂的制备及其吸附脱硫性能研究

doi:10.19286/j.cnki.cci.2023.09.038

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Abstract A series of chitosan-based boron nitride materials (BN-CSx, x=0, 20, 40) were prepared by using boric acid as the boron source and urea and chitosan as the double nitrogen sources by high-temperature calcination method. The structures of BN-CSx were analyzed by SEM, XRD, FT-IR and other characterization methods. Using dibenzothiophene (DBT) as the sulfide model, the adsorption performance of BN-CSx on DBT was compared and investigated. The results show that BN-CS20 had the best adsorption ability for DBT, and the adsorption capacity was up to 25.22 mg S/g. The results of kinetics, isotherm and thermodynamics experiments proved that the adsorption process of BN-CS20 on DBT coincided with the pseudo-second-order and Freundlich isotherm models, and room temperature was favorable to the adsorption.

Key words： adsorption desulfurizationl boron nitride chitosan dibenzothiophene

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	Articles by authors
	Zhu Guisheng1
	Huang Yan2
	Feng Yuxiang2
	Huang Chunxia1
	Cong Xin1
	Zhang Zhaorui1

Cite this article:

Zhu Guisheng1,Huang Yan2,Feng Yuxiang2等. Preparation of chitosan-based boron nitride adsorbent and its adsorption desulfurization performance[J]. CCI, 2023, 46(9): 149-155.

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http://www.mtyhg.com.cn/EN/10.19286/j.cnki.cci.2023.09.038 OR http://www.mtyhg.com.cn/EN/Y2023/V46/I9/149

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