垃圾填埋场渗滤液催化超临界水气化制氢试验

doi:10.3880/j.issn.1004-6933.2018.04.12

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垃圾填埋场渗滤液催化超临界水气化制氢试验

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10.3880/j.issn.1004-6933.2018.04.12

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X523

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Experiment of hydrogen production from supercritical water gasifying with catalyst of landfill leachate

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摘要:

对垃圾渗滤液进行超临界水气化试验，考察不同催化剂K₂CO₃、Na₂CO₃、NaOH和KOH对H₂产率以及对渗滤液中COD、TOC、TN和NH₃-N去除率的影响。试验结果表明，在450℃、28 MPa、15 min 的反应条件下，4种催化剂对H₂产率的影响从大到小依次为NaOH、KOH、K₂CO₃和Na₂CO₃，且在NaOH添加量为5 g 时，H₂体积分数达到最大值54.45%；在相同的反应条件下，渗滤液中COD、TOC、TN和NH₃-N的去除率均随着催化剂的加入而有明显上升。

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An experiment of supercritical water gasifying with catalyst of landfill leachate was carried out and the effect of different catalysts K₂CO₃, Na₂CO₃, NaOH, and KOH on H₂ yield and the removal rate of COD, TOC, TN, and NH₃-N in leachate were investigated. The results show that under the reaction condition of 450℃, 28MPa, and 15min, the order from large to small of the influence of the 4 catalysts on H₂ yield is NaOH, KOH, K₂CO₃, and Na₂CO₃. When the NaOH addition is 5 g, the volume percentage of H₂ reaches the maximum value of 54. 45%. Under the same reaction condition, the removal rate of COD, TOC, TN, and NH₃-N increases obviously with the addition of catalyst.

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龚为进,王擎宇,李宾宾,等.垃圾填埋场渗滤液催化超临界水气化制氢试验[J].水资源保护,2018,34(4):67-70.(GONG Weijin, WANG Qingyu, LI Binbin, et al. Experiment of hydrogen production from supercritical water gasifying with catalyst of landfill leachate[J]. Water Resources Protection,2018,34(4):67-70.(in Chinese))
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收稿日期:2017-07-16

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在线发布日期: 2018-06-27

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