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[期刊论文]

Preparation of a Fe-ZSM-5 Adsorbent and Its Selective Adsorption of p-Xylene Performance Exploration

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author:

Ye, Changshen (Ye, Changshen.) [1] (Scholars:叶长燊) | Wu, Chongfu (Wu, Chongfu.) [2] | Qi, Zhaoyang (Qi, Zhaoyang.) [3] | Unfold

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EI Scopus SCIE

Abstract:

In the purified terephthalic acid wastewater treatment process, a large amount of wastewater containing p-xylene (PX), Co2+ and Mn2+ would be by-produced and PX needs to be recycled to avoid affecting the subsequent treatment process. Fe3+-modified ZSM-5 zeolites were prepared for selective adsorption of PX, which were better than H-ZSM-5 zeolites and ZSM-5 zeolites. Moreover, the selectivity factors of PX to Co2+ and PX to Mn2+ attained on Fe-ZSM-S can approach to 5365.97 and 5038.70, respectively, and the saturated capacity can reach 125.0 mg.g(-1). Experimental data obtained from batch studies provided a good fit for the Langmuir isotherm model. The adsorption process was a spontaneously exothermic physisorption, and the adsorption of PX on Fe-ZSM-5 followed the pseudo-second-order rate expression. Production of granular Fe-ZSM-5 was further explored, and the fixed bed adsorption experiment was carried out. The adsorption capacity of granular Fe-ZSM-5 to PX can reach 45.64 mg.g(-1) under better process conditions, which is superior to ZSM-5 zeolites and activated carbon. It shows that Fe-ZSM-S can be used as a highly efficient adsorbent to selectively remove PX from wastewater with industrial prospects.

Community:

  • [ 1 ] [Ye, Changshen]Fuzhou Univ, Coll Chem Engn, Engn Res Ctr React Distillat, Fujian Prov Univ, Fuzhou 350108, Fujian, Peoples R China
  • [ 2 ] [Wu, Chongfu]Fuzhou Univ, Coll Chem Engn, Engn Res Ctr React Distillat, Fujian Prov Univ, Fuzhou 350108, Fujian, Peoples R China
  • [ 3 ] [Qi, Zhaoyang]Fuzhou Univ, Coll Chem Engn, Engn Res Ctr React Distillat, Fujian Prov Univ, Fuzhou 350108, Fujian, Peoples R China
  • [ 4 ] [Huang, Zhixian]Fuzhou Univ, Coll Chem Engn, Engn Res Ctr React Distillat, Fujian Prov Univ, Fuzhou 350108, Fujian, Peoples R China
  • [ 5 ] [Qiu, Ting]Fuzhou Univ, Coll Chem Engn, Engn Res Ctr React Distillat, Fujian Prov Univ, Fuzhou 350108, Fujian, Peoples R China

Reprint 's Address:

  • 黄智贤 邱挺

    [Huang, Zhixian]Fuzhou Univ, Coll Chem Engn, Engn Res Ctr React Distillat, Fujian Prov Univ, Fuzhou 350108, Fujian, Peoples R China;;[Qiu, Ting]Fuzhou Univ, Coll Chem Engn, Engn Res Ctr React Distillat, Fujian Prov Univ, Fuzhou 350108, Fujian, Peoples R China

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Source :

JOURNAL OF CHEMICAL AND ENGINEERING DATA

ISSN: 0021-9568

Year: 2020

Issue: 4

Volume: 65

Page: 2194-2205

2 . 6 9 4

JCR@2020

2 . 0 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:160

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 2

30 Days PV: 1

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