牛粪生物炭对土壤中石油烃的降解研究

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英文篇名：Degradation of Petroleum Hydrocarbon in Soil by Biochar With Dairy Dung 作者：姜宇 ; 林静雯 ; 郑冬梅 ; 李艳卉 英文作者：JIANG Yu;LIN Jingwen;ZHENG Dongmei;LI Yanhui;Environmental College,Shenyang University; 关键词：牛粪生物炭 ; 石油烃 ; 降解率 英文关键词：dairy dung biochar;;petroleum hydrocarbon;;degradation rate 中文刊名：北方园艺 英文刊名：Northern Horticulture 机构：沈阳大学环境学院; 出版日期：2019-01-25 出版单位：北方园艺 年：2019 期：03 基金：国家自然科学基金资助项目(41571085);; 辽宁省高等学校创新人才资助项目(LR2016078) 语种：中文; 页：127-131 页数：5 CN：23-1247/S ISSN：1001-0009 分类号：X53

摘要

以牛粪为原材料制备牛粪生物炭,通过牛粪生物炭的添加对沈阳市沈抚污灌区石油烃污染土壤进行降解研究。以期为应用牛粪生物炭原位修复污灌区石油烃污染土壤提供技术支撑。结果表明:牛粪生物炭对土壤中石油烃具有降解作用。当牛粪生物炭热解温度为700℃、牛粪生物炭投加量为75g·kg~(-1)、土壤初始pH 9、土壤温度为30℃时、石油烃的降解效果最佳(降解率可达65%以上)。牛粪生物炭对石油烃污染土壤具有良好的长效修复效果。
        The dairy dung biochar was prepared by using dairy dung as raw material.The degradation of petroleum hydrocarbon contaminated soil in Shenfu waste irrigation area of Shenyang city was studied by the addition of dairy dung biochar.In order to provide technical support for in-situ restoration of oil-hydrocarbon contaminated soil by bovine manure biochar in polluted irrigation area.The results showed that the biochar with dairy dung has a degradative effect on petroleum hydrocarbons in soil.When the preparation temperature of dairy dung biochar was 700℃,the amount of dairy dung biochar added was 75g·kg~(-1),the initial pH of soil was 9and the soil temperature was 30 ℃,the petroleum hydrocarbon degradation effect was optimum,and the petroleum hydrocarbon degradation rate was reached 65%or more.These results suggested that biochar dairy dung could be used to actually repair petroleum contaminated soil.

引文

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