Simulated biomass tar removal mechanism by a Quench Coupled with ADsorption Technology (QCADT)

doi:10.1016/j.cjche.2019.06.007

Chinese Journal of Chemical Engineering ›› 2020, Vol. 28 ›› Issue (1): 279-285.DOI: 10.1016/j.cjche.2019.06.007

• Energy, Resources and Environmental Technology • Previous Articles Next Articles

Simulated biomass tar removal mechanism by a Quench Coupled with ADsorption Technology (QCADT)

Xiaosong Zhang^1,2, Jiawei Pan^1,2, Liang Wang³, Hongqi Sun⁴, Yuezhao Zhu^1,2, Haijun Chen^1,2

1 Jiangsu Key Laboratory of Process Enhancement and New Energy Equipment Technology, Jiangsu Engineering Laboratory of Energy Conservation and Environmental Protection Technologies and Equipment in Process Industry, Nanjing 211816, China;
2 School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211816, China;
3 College of Chemistry and Chemical Engineering, Nanjing Tech University, Nanjing 210009, China;
4 School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA6027, Australia

Received:2019-03-24 Revised:2019-06-05 Online:2020-03-31 Published:2020-01-28
Contact: Haijun Chen
Supported by:
Supported by the Six Talent Peaks Project in Jiangsu Province (2015-ZBZ-015), the top-notch academic programs project of Jiangsu Higher Education Institutions (PPZY2015A022) and the Natonal Key Reasearch and Development Program of China (2018YFB1502900, 2018YFB1502903).

Simulated biomass tar removal mechanism by a Quench Coupled with ADsorption Technology (QCADT)

Xiaosong Zhang^1,2, Jiawei Pan^1,2, Liang Wang³, Hongqi Sun⁴, Yuezhao Zhu^1,2, Haijun Chen^1,2

1 Jiangsu Key Laboratory of Process Enhancement and New Energy Equipment Technology, Jiangsu Engineering Laboratory of Energy Conservation and Environmental Protection Technologies and Equipment in Process Industry, Nanjing 211816, China;
2 School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211816, China;
3 College of Chemistry and Chemical Engineering, Nanjing Tech University, Nanjing 210009, China;
4 School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA6027, Australia

通讯作者: Haijun Chen
基金资助:
Supported by the Six Talent Peaks Project in Jiangsu Province (2015-ZBZ-015), the top-notch academic programs project of Jiangsu Higher Education Institutions (PPZY2015A022) and the Natonal Key Reasearch and Development Program of China (2018YFB1502900, 2018YFB1502903).

Abstract

Abstract: Tar removal is a bottleneck in the smooth commercialization of biomass gasification technology. Based on introducing adsorption process into Quench Coupled with ABsorption Technology (QCABT) previously proposed by the author's group, Quench Coupled with ADsorption Technology (QCADT) has been developed to narrow this gap. Additionally, benzene and naphthalene, which are more similar to the real tar for containing aromatic ring structures, were adopted as light and heavy simulated tar, respectively. Also their removal behavior by QCADT was investigated. The results show that the removal mechanism of QCADT is similar to that of QCABT, except for the higher overall tar removal rate due to adsorption effect. Adsorbents with both micro- and narrow mesopores exhibit a better benzene removal performance, while narrow mesopores play dominant roles in naphthalene removal. Penetration adsorption loading of benzene and naphthalene on AC-1 can reach 0.38 g·g^-1 and 0.34 g·g^-1, respectively. The sawdust hardly has any tar removal effect. Combined micro- and meso-pores, will benefit both deep tar removal and large adsorption rate, providing a high tar removal efficiency.

Key words: Biomass gasification, Tar removal, Adsorption, Couple, Pore

摘要： Tar removal is a bottleneck in the smooth commercialization of biomass gasification technology. Based on introducing adsorption process into Quench Coupled with ABsorption Technology (QCABT) previously proposed by the author's group, Quench Coupled with ADsorption Technology (QCADT) has been developed to narrow this gap. Additionally, benzene and naphthalene, which are more similar to the real tar for containing aromatic ring structures, were adopted as light and heavy simulated tar, respectively. Also their removal behavior by QCADT was investigated. The results show that the removal mechanism of QCADT is similar to that of QCABT, except for the higher overall tar removal rate due to adsorption effect. Adsorbents with both micro- and narrow mesopores exhibit a better benzene removal performance, while narrow mesopores play dominant roles in naphthalene removal. Penetration adsorption loading of benzene and naphthalene on AC-1 can reach 0.38 g·g^-1 and 0.34 g·g^-1, respectively. The sawdust hardly has any tar removal effect. Combined micro- and meso-pores, will benefit both deep tar removal and large adsorption rate, providing a high tar removal efficiency.

关键词: Biomass gasification, Tar removal, Adsorption, Couple, Pore

Xiaosong Zhang, Jiawei Pan, Liang Wang, Hongqi Sun, Yuezhao Zhu, Haijun Chen. Simulated biomass tar removal mechanism by a Quench Coupled with ADsorption Technology (QCADT)[J]. Chinese Journal of Chemical Engineering, 2020, 28(1): 279-285.

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Simulated biomass tar removal mechanism by a Quench Coupled with ADsorption Technology (QCADT)

Simulated biomass tar removal mechanism by a Quench Coupled with ADsorption Technology (QCADT)

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