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Author:

Hu, Wei (Hu, Wei.) | Liang, Quanming (Liang, Quanming.) | Lu, Dan (Lu, Dan.) | Li, Beibei (Li, Beibei.) | Ren, Biqi (Ren, Biqi.) | Luan, Qingye (Luan, Qingye.) | Liu, Jia (Liu, Jia.) | Liang, Wenjun (Liang, Wenjun.) (Scholars:梁文俊) | Huang, Yuhu (Huang, Yuhu.)

Indexed by:

EI Scopus SCIE

Abstract:

Gasoline vapor emissions from service stations significantly affect urban atmospheric. Despite the research on the mechanisms and effectiveness of gasoline vapor removal is limited, this study innovatively investigates the static and dynamic adsorption of xylene-a typical gasoline vapor and one of the most active secondary organic aerosol (SOA) species-by commercial activated carbon (AC). The results showed that the saturation static adsorption capacity (Q(e)) of 12 ACs varied from 0.9 to 870.7 mg/g, which correlated with the specific surface area (SSA) and pore volume. Among them, 11# and 12# ACs were identified as the most effective adsorbents for typical gasoline vapor removal. The maximum dynamic Q(e) increased from 301.5 to 414.3 mg/g when the initial xylene concentration rose from 918 to 2008 mg/m(3) for 11# AC, and from 201.4 to 406.2 mg/g when the initial xylene concentration increased from 589 to 2120 mg/m(3) for 12# AC. These findings implied a direct correlation between higher initial xylene concentrations and greater dynamic Q(e) values, with static Q(e) values surpassing dynamic values. The adsorption kinetics simulation were analyzed by the pseudo-first-order (PFO) and pseudo-second-order (PSO) kinetics. The kinetics results demonstrated that the PFO was more effective in characterizing the adsorption of xylene onto ACs (R-2 > 0.989), indicating that the adsorption of typical gasoline vapor by ACs primarily involves physical adsorption. The findings of static/dynamic adsorption and kinetics provide valuable guidance for practical applications of gasoline vapor removal in service stations.

Keyword:

Gasoline vapor Breakthrough curve Dynamic adsorption Activated carbon Xylene

Author Community:

  • [ 1 ] [Hu, Wei]Beijing Municipal Res Inst Ecoenvironm Protect, Natl Engn Res Ctr Urban Environm Pollut Control, Beijing Key Lab Urban Atmospher Volatile Organ Cpd, Beijing 100037, Peoples R China
  • [ 2 ] [Li, Beibei]Beijing Municipal Res Inst Ecoenvironm Protect, Natl Engn Res Ctr Urban Environm Pollut Control, Beijing Key Lab Urban Atmospher Volatile Organ Cpd, Beijing 100037, Peoples R China
  • [ 3 ] [Ren, Biqi]Beijing Municipal Res Inst Ecoenvironm Protect, Natl Engn Res Ctr Urban Environm Pollut Control, Beijing Key Lab Urban Atmospher Volatile Organ Cpd, Beijing 100037, Peoples R China
  • [ 4 ] [Huang, Yuhu]Beijing Municipal Res Inst Ecoenvironm Protect, Natl Engn Res Ctr Urban Environm Pollut Control, Beijing Key Lab Urban Atmospher Volatile Organ Cpd, Beijing 100037, Peoples R China
  • [ 5 ] [Hu, Wei]Beijing Univ Technol, Fac Environm & Life, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 6 ] [Lu, Dan]Beijing Univ Technol, Fac Environm & Life, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 7 ] [Luan, Qingye]Beijing Univ Technol, Fac Environm & Life, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 8 ] [Liu, Jia]Beijing Univ Technol, Fac Environm & Life, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 9 ] [Liang, Wenjun]Beijing Univ Technol, Fac Environm & Life, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China
  • [ 10 ] [Liang, Quanming]Beijing Acad Sci & Technol, Inst Urban Safety & Environm Sci, Beijing 100054, Peoples R China

Reprint Author's Address:

  • 梁文俊

    [Huang, Yuhu]Beijing Municipal Res Inst Ecoenvironm Protect, Natl Engn Res Ctr Urban Environm Pollut Control, Beijing Key Lab Urban Atmospher Volatile Organ Cpd, Beijing 100037, Peoples R China;;[Liang, Wenjun]Beijing Univ Technol, Fac Environm & Life, Key Lab Beijing Reg Air Pollut Control, Beijing 100124, Peoples R China

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Source :

FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING

ISSN: 2095-2201

Year: 2025

Issue: 3

Volume: 19

6 . 4 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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