journal article·2019-10-30

High-Efficiency Separation of Aromatic Sulfide from Liquid Hydrocarbon Fuel in Conjugated Porous Organic Framework with Polycarbazole Unit

Chunhui Lin, Zong Cheng, Bin Li, Tongfan Chen, Wenxiang Zhang, Shuhui Chen, Qingyuan Yang, Limin Chang, Guangbo Che, Heping Ma

ACS Applied Materials & Interfaces· Volume 11· Issue 43
Publisher page

Abstract

-Cz-POF for hydrocarbon fuels' adsorptive desulfurization. The carbazole building blocks possessed ortho, meta, and para steric configuration, which resulted in POFs exhibiting adjustable specific surface area and pore structure. Adsorption kinetics experiments and DFT calculations were carried out to understand the competitive adsorption of 3-methylthiophene and octane in the Cz-POF. The instantaneous adsorption rate and adsorption energy calculation analyses gave a convincing demonstration on preferential selective adsorption of 3-methylthiophene in Cz-POFs. Furthermore, the fixed bed breakthrough experiment demonstrated that the Cz-POFs can selectively adsorb 3-methylthiophene efficiently, and hydrocarbon fuel with sulfide content close to 0 ppm was obtained. The features of high stability and high desulfurization efficiency of Cz-POFs make them hold the promise as a new type of porous adsorbent for ultradeep adsorption desulfurization.
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Research context

OpenAlex topics: Covalent Organic Framework Applications · Metal-Organic Frameworks: Synthesis and Applications · Catalysis and Hydrodesulfurization Studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, P.R. China

University of Chinese Academy of Sciences, Beijing 100049, P.R. China

School of Chemical Engineering and Technology, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Xi’an Jiaotong University, Xi’an 710049, P. R. China

State Key Laboratory of Supramolecular Structure and Materials College of Chemistry, Jilin University, Changchun 130012, P. R. China

Department of Chemistry, Jilin Normal University, Siping, Jilin 136000, P. R. China

Funding

Xi?an Jiaotong University · Ministry of Education of the People's Republic of China · People's Government of Jilin Province · National Natural Science Foundation of China · Shaanxi Province

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