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 Gonga ; b ; Sonil Nandab ; Martin J. Romerob ; Wei Zhua ; Janusz A. Kozinskib ; 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
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Gasification of humic acid in subcritical and supercritical water.
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Temperature, feed concentration, reaction time and catalyst affect H2 production.
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High H2 yield at 600 °C with 15 wt% humic acid, 15 wt% FeCl3 in 75 min at 24 MPa.
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H2 and total gas yields increased exponentially with rising FeCl3 concentration.
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FeCl3 promotes ring-opening reaction to accelerate humic acid degradation.