Journal: Ecological Environment and Protection DOI: 10.32629/eep.v9i7.3278
Abstract
近年来,随着社会经济的发展,我们餐厨垃圾和生活垃圾的年产生量已远超亿吨,传统 的填埋与焚烧发电处理方式不仅效率低、能耗高,还伴随渗滤液、飞灰等二次污染风 险。基于此,本文通过对水热碳化工艺的研究,将垃圾中的有机质资源化利用的新型 技术,将湿垃圾直接进行处理,不需要经过发酵,干燥处理等繁琐预处理过程,研究碳 化反应温度、反应时间、固液比、pH值四个关键因素对水热碳化产物性能的影响。 试验结果证明：在反应温度240℃、反应时间3h、固液比1:2,pH=7.0时,产生的水热碳 高位热值可达到30.26MJ/kg,较原料热值(17.63MJ/kg)提升了42%,已接近褐煤水平。 本研究为后续该工艺的工程化放大与工业化应用提供了基础数据支撑。
Keywords
餐厨垃圾；生活垃圾；水热碳化；亚临界水；水热碳；固废减量化
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