| 秸秆不同用量对污泥堆肥保氮效果研究 |
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| 引用本文： | 熊建军,刘淑英,邹国元,李吉进,王平,崔希龙.秸秆不同用量对污泥堆肥保氮效果研究[J].土壤通报,2010(1). |
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| 作者姓名： | 熊建军 刘淑英 邹国元 李吉进 王平 崔希龙 |
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| 作者单位： | 甘肃农业大学资源与环境学院;北京市农林科学院植物营养与资源研究所;北京城市排水集团有限责任公司; |
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| 基金项目： | 中国城市排水集团有限责任公司合作项目“长期施用污泥的农学和环境效应研究”; 北京市重大科技项目“多功能肥料基质研究与开发(D0706004040431)” |
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| 摘 要： | 通过对北京市城市生活污泥与不同量小麦秸秆进行混合堆肥,研究堆肥过程中N素损失的控制。结果表明,在堆体中添加小麦秸秆能够在堆肥初期很好的抑制NH3挥发;添加20%麦秸的处理堆体最高温度能够达到67℃,比对照处理(纯污泥)高16℃,在50℃以上维持7天,比对照处理长6天,完全达到无害化处理要求;而且,堆肥初期NH3挥发量为对照处理的1/5;NH4+-N最高含量和变化范围都小于对照处理;堆肥后全N损失仅为15.77%;经过50天的堆肥化处理,所有处理的物料变为疏松形态的灰黑色腐殖质,臭味消失,基本达到腐熟。
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| 关 键 词： | 污泥 堆肥 氮素 |
Effect of Different Straw Doses on Nitrogen Preserving during Sludge Composting |
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| XIONG Jian-jun ,,LIU Shu-ying ,ZOU Guo-yuan ,LI Ji-jin ,WANG Ping ,CUI Xi-long.Effect of Different Straw Doses on Nitrogen Preserving during Sludge Composting[J].Chinese Journal of Soil Science,2010(1). |
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| Authors: | XIONG Jian-jun LIU Shu-ying ZOU Guo-yuan LI Ji-jin WANG Ping CUI Xi-long |
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| Institution: | XIONG Jian-jun 1,2,3,LIU Shu-ying 1,ZOU Guo-yuan 2,LI Ji-jin 2,WANG Ping 1,CUI Xi-long 3 (1.College of Resources , Environment Sciences,Gansu Agricultural University,Gansu Lanzhou 730070,China,2.Institute of Plant Nutrition , Natural Resources,Beijing Academy of Agriculture , Forestry Science,Beijing 100097,3.Beijing Drainage Group Co.Ltd,Beijing 100038,China) |
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| Abstract: | The nitrogen losing control was studied during t he composting sewage sludge together with different rate of wheat straw.The results showed that the addition of wheat straw could inhibit ammonia volatilization in the early composting period.Adding 20 % of wheat straw could raise the temperature of the pile to 67℃,16 ℃ higher than the control.Meanwhile,maintained for 7 days above 50 ℃ and 6 more days more than the control,met the requirements of innocuous sewage sludge.Furthermore,the amount of the ammonia volatilization of the treatment was only 1/5 of control's in the early composting period,the maximum content and the change range of NH 4+-N was obviously less than the control check,and total nitrogen loss was 15.77% after compost.After 50 days of composting,all materials basically reached maturity in the loose form of the grey black humus without smell. |
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| Keywords: | Sludge Compost Nitrogen |
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