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Journal Article 7

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2023 2

2020 1

2017 1

2015 2

1999 1

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aromatics 3

methanol 2

n-hexane 1

Aromatics-contaminated soil 1

Bacteria 1

Bioaugmentation 1

Bioremediation 1

Fungi 1

ZSM-5 1

ZSM-5 zeolite 1

ZSM-5/ZSM-11 1

adsorption 1

alkaline treatment 1

aromatics separation and upgrading 1

aromatization 1

carbon dioxide 1

catalyst 1

chlorinated aromatics 1

cofeeding 1

coupling reaction 1

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Exergy and exergoeconomic analyses for integration of aromatics separation with aromatics upgrading

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2, Pages 183-193 doi: 10.1007/s11705-022-2192-9

Abstract: Methanol to aromatics produces multiple products, resulting in a limited selectivity of xylene.Aromatics upgrading is an effective way to produce more valuable xylene product, and different feed ratiosThis work integrates the aromatics separation with toluene disproportionation, transalkylation of tolueneexergoeconomic analyses are conducted to give insights in the splitting ratios of benzene, toluene and heavy aromaticsfor aromatics upgrading.

Keywords： aromatics separation and upgrading variant splitting ratios total exergy destruction total product

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Microbial remediation of aromatics-contaminated soil

Ying Xu, Ning-Yi Zhou

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0894-x

Abstract: Aromatics-contaminated soils were successfully remediated with adding single strains.Aromatics-contaminated soil is of particular environmental concern as it exhibits carcinogenic and mutagenicIn this review, it is concluded which several successful studies of bioaugmentation of aromatics-contaminatedby microorganisms and their capacity to adapt to aromatics-contaminated environments.Aromatics-contaminated soils are successfully remediated with adding not only single strains but also

Keywords： Aromatics-contaminated soil Bacteria Bioaugmentation Bioremediation Fungi

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The influence of chlorinated aromatics' structure on their adsorption characteristics on activated carbon

Pengfei LIN,Yuan ZHANG,Xiaojian ZHANG,Chao CHEN,Yuefeng XIE,Irwin H SUFFET

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1, Pages 138-146 doi: 10.1007/s11783-014-0725-2

Abstract: Freundlich isotherm equation could well describe the adsorption equilibrium behaviors of chlorinated aromaticsThese results could assist water professionals in removing chlorinated aromatics during emergency drinking

Keywords： chlorinated aromatics adsorption powdered activated carbon kinetics equilibrium

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Enhancing the aromatic selectivity of cyclohexane aromatization by CO₂ coupling

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11, Pages 1801-1808 doi: 10.1007/s11705-023-2325-9

Abstract: >13C isotope labeling experimental results demonstrate that CO₂ can enter into the aromatics

Keywords： aromatics carbon dioxide aromatization coupling reaction ZSM-5 zeolite

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Co-conversion of methanol and

Shumei Wei, Yarong Xu, Zhaoyang Jin, Xuedong Zhu

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5, Pages 783-792 doi: 10.1007/s11705-019-1868-2

Abstract: The conversion of -hexane and methanol into value-added aromatic compounds is a promising method for their industrially relevant utilization. In this study, intergrown ZSM-5/ZSM-11 crystals were synthesized and their resulting catalytic performance was investigated and compared to those of the isolated ZSM-5 and ZSM-11 zeolites. The physicochemical properties of ZSM-5/ZSM-11 intergrown zeolite were analyzed using X-ray diffraction, N isothermal adsorption-desorption, the temperature-programmed desorption of ammonium, scanning electron microscopy, Fourier transform infrared spectra of adsorbed pyridine, and nuclear magnetic resonance of Al , and compared with those of the ZSM-5 and ZSM-11 zeolites. The catalytic performances of the materials were evaluated during the co-feeding reaction of methanol and -hexane under the fixed bed conditions of 400°C, 0.5 MPa (N ), methanol꞉ -hexane= 7꞉3 (mass ratio), and weight hourly space velocity= 1 h (methanol). Compared to the ZSM-5 and ZSM-11 zeolites, the ZSM-5/ZSM-11 zeolite exhibited the largest specific surface area, a unique crystal structure, moderate acidity, and suitable Brønsted/Lewis acid ratio. The evaluation results showed that ZSM-5/ZSM-11 catalyst exhibited better catalytic reactivity than the ZSM-5 and ZSM-11 catalysts in terms of methanol conversion rate, -hexane conversion rate, and aromatic selectivity. The outstanding catalytic property of the intergrown ZSM-5/ZSM-11 was attributed to the enhanced diffusion associated with its unique crystal structure. The benefit of using zeolite intergrowth in the co-conversion of methanol and alkanes offers a novel route for future catalyst development.

Keywords： ZSM-5/ZSM-11 methanol n-hexane cofeeding aromatics

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The Progress and Application of the SKI Series Catalysts for Isomerization of C₈ Aromatics

Qiao Yingbin

Strategic Study of CAE 1999, Volume 1, Issue 1, Pages 73-77

Abstract: innovative idea and excellent performance of the SKI series catalysts for isomerization of C₈ aromaticsThe thermodynamic equilibrium can be approached for the isomerization of the mixed C₈ aromaticsThe selectivity for the C₈ aromatics is more than 97% and the catalyst life-span is more than

Keywords： isomerization catalyst xylene

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Alkaline modification of ZSM-5 catalysts for methanol aromatization: The effect of the alkaline concentration

Zhenhao Wei,Tengfei Xia,Minghui Liu,Qingsheng Cao,Yarong Xu,Kake Zhu,Xuedong Zhu

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4, Pages 450-460 doi: 10.1007/s11705-015-1542-2

Abstract: alkaline treatment on the physical properties of ZSM-5 catalysts and on their activities for methanol to aromaticsThe presence of mesopores gives the catalyst a longer lifetime and higher selectivity for aromatics.catalysts were washed with acid, some of the porosity was restored and a slight increase in selectivity for aromatics

Keywords： aromatics ZSM-5 alkaline treatment dealumination desilication mesopores methanol