添加竹炭对猪粪堆肥过程中升温脱水及氮素损失的影响-应用生态学报.PDF

应 用 生 态 学 报摇 2014年4月摇 第25卷摇 第4期摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 ChineseJournal of Applied Ecology,Apr. 2014,25(4):1057-1062 添加竹炭对猪粪堆肥过程中升温脱水 及氮素损失的影响* 1,2** 1 黄向东 摇 薛摇 冬 1 2 ( 洛阳理工学院环境工程与化学系,河南洛阳471023; 浙江大学环境与资源学院,杭州310058) 摘摇 要摇 堆肥是实现畜禽粪便处理及资源化利用的有效途径,但传统堆肥过程存在升温脱水 效果不佳及氮素损失的问题.本文利用猪粪进行堆肥试验,探讨了堆肥过程中添加不同比例 竹炭对堆肥升温脱水及氮素损失的影响.结果表明: 与不添加竹炭的对照相比,添加竹炭处 理可以使堆体升温时间缩短24 ~48 h,脱水率提高13.6% ~21.4%,堆肥高温期持续时间延 长216~264 h;添加竹炭处理可以增加堆肥铵态氮、硝态氮及总氮含量,使氮素固定率提高 28郾3% ~65.4%. 关键词摇 竹炭摇 猪粪摇 堆肥摇 温度摇 脱水摇 氮素损失 文章编号摇 1001-9332(2014)04-1057-06摇 中图分类号摇 S141.4;X713摇 文献标识码摇 A Effects of bamboo biochar addition on temperature rising, dehydration and nitrogen loss 1,2 1 1 during pig manure composting. HUANG Xiang鄄dong ,XUE Dong (Department of Environ鄄 mental Engineering and Chemistry,Luoyang Institute of Science and Technology,Luoyang471023, 2 Henan, China; College of Environment and Resource Science, Zhejiang University, Hangzhou 310058,China).鄄Chin.J.Appl.Ecol. ,2014,25(4):1057-1062. Abstract:Compostingisaneffectivewaytorealizethetreatmentandrecyclingoflivestockmanure. However,traditional compostingprocesshastheproblemsof slow temperaturerising,poor dehydra鄄 tion effect and serious nitrogen loss. Composting experiments of pig manure were carried out to in鄄 vestigate theinfluenceof differentratesof bamboobiocharadditiononthetemperaturerisingspeed, dehydration effect and nitrogen loss during the composting process. The results showed that the ad鄄 dition of bamboo biochar could shortenthete