Subcritical and supercritical water gasification of humic acid as a model compound of humic substances in sewage sludge

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Subcritical and supercritical water gasification of humic acid as a model compound of humic substances in sewage sludge

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作者：Miao Gong^a ; ^b ; Sonil Nanda^b ; Martin J. Romero^b ; Wei Zhu^a ; Janusz A. Kozinski^b ; ^{janusz.kozinski@lassonde.yorku.ca" class="auth_mail" title="E-mail the corresponding author}
关键词：Humic acid ; Sewage sludge ; Subcritical water gasification ; Supercritical water gasification ; Metal catalyst ; Hydrogen ; Char
刊名：The Journal of Supercritical Fluids
出版年：2017
出版时间：January 2017
年：2017
卷：119
期：Complete
页码：130-138
全文大小：2333 K

文摘

•: Gasification of humic acid in subcritical and supercritical water.
•: Temperature, feed concentration, reaction time and catalyst affect H₂ production.
•: High H₂ yield at 600 °C with 15 wt% humic acid, 15 wt% FeCl₃ in 75 min at 24 MPa.
•: H₂ and total gas yields increased exponentially with rising FeCl₃ concentration.
•: FeCl₃ promotes ring-opening reaction to accelerate humic acid degradation.

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