超临界水气化生产富氢富甲烷气体的堆肥评价

Eyup Yildirir, Nihal Üremek, L. Ballice
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摘要

选择有机废弃物(城市生活垃圾、城市市场垃圾和木屑)堆肥,采用超临界水气化(SCWG)工艺,生产以氢气和甲烷为主的气体产品。测定了温度、反应时间和KOH作为添加剂等参数的影响,在500℃下与KOH一起反应30 min后,产物中H2和CH4的含量约为55 vol.%。赤泥催化剂虽然提高了产物气体的热值,但并没有提高气化收率。
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Evaluating Compost for Hydrogen and Methane Rich Gas Production via Supercritical Water Gasification
The compost produced from organic wastes (MSW, city market’s wastes and wood dust) was selected to be processed via supercritical water gasification (SCWG) in order to produce gas product consisting of hydrogen and methane mainly. The effects of parameters such as temperature, reaction time and KOH as an additive were determined and around 55 vol.% of H2 and CH4 in the gas product was found after 30 min reaction time together with KOH, at 500 oC. The red mud catalysts did not improve the gasification yields even though they increased the calorific value of the product gas.
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