不完全厌氧-好氧堆肥处理有机垃圾技术研究
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摘要
为对比不完全厌氧-好氧堆肥与好氧堆肥的过程和效果,探究微生物菌剂对堆肥的影响,分别在有机垃圾中添加猪粪、麦糠和微生物菌剂,对各处理在堆肥过程中温度、p H、含水率、全碳、全氮和C/N的变化进行了分析和研究。结果表明,不完全厌氧-好氧堆肥在堆肥前期保温、升温效果好,水分蒸发慢,p H下降明显,与好氧堆肥相比,具有有机质分解彻底、氮素流失少等特点。此外,微生物菌剂可在一定程度上提高堆肥处理效果。
The process and effects of anaerobic hydrolytic- aerobic composting and aerobic composting were compared and the influence of microbial agents on the composting process was investigated. The pig manure,wheat bran and microbial agents were added to the organic waste respectively. Temperature,p H,water content,total carbon,total nitrogen and C/ N changes of different composts were analyzed and researched. The results indicated that anaerobic hydrolytic- aerobic composting in the early stage had a better effect of heat preservation and warming,slow evaporation of water,downtrend of p H. Compared with aerobic composting,organic matter decomposition was thorough and nitrogen loss was less. In addition,the effects of composting treatment were enhanced by microbial agents.
The process and effects of anaerobic hydrolytic- aerobic composting and aerobic composting were compared and the influence of microbial agents on the composting process was investigated. The pig manure,wheat bran and microbial agents were added to the organic waste respectively. Temperature,p H,water content,total carbon,total nitrogen and C/ N changes of different composts were analyzed and researched. The results indicated that anaerobic hydrolytic- aerobic composting in the early stage had a better effect of heat preservation and warming,slow evaporation of water,downtrend of p H. Compared with aerobic composting,organic matter decomposition was thorough and nitrogen loss was less. In addition,the effects of composting treatment were enhanced by microbial agents.
引文
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[11]Martin A M.Bioconversion of waste materials to industrial products[J].Bioresour Technol,1998,66(1):29-102.
[2]宁大为.城镇化进程中农村环境问题研究[D].泰安:山东农业大学,2015.
[3]王翎均,梁成华,王军,等.辽宁省农村生活垃圾现状及处置对策研究[J].浙江农业科学,2014(7):1072-1075.
[4]管蓓,刘继明,陈森.农村生活垃圾产生特征及分类收集模式[J].环境监测管理与技术,2013,25(3):26-29.
[5]徐亚,颜湘华,董路,等.基于Landsim的填埋场长期渗漏的污染风险评价[J].中国环境科学,2014,34(5):1355-1360.
[6]王华.二恶英零排放化城市生活垃圾焚烧技术[M].北京:冶金工业出版社,2001.
[7]Yue D,Han B,Sun Y,et al.Sulfide emissions from different areas of a municipal solid waste landfill in China[J].Waste Manage,2014,34(6):1041-1044.
[8]夏芸,林辉,王强,等.有机生活垃圾堆肥中物质组分减量差异及变化规律[J].农业环境科学学报,2014(12):2463-2471.
[9]石磊,赵由才,边炳鑫.有机垃圾的处理和资源化技术进展[J].环境污染与防治,2004,26(5):345-347.
[10]黄国锋,钟流举,张振钿,等.猪粪堆肥化处理过程中的氮素转变及腐熟度研究[J].应用生态学报,2002,13(11):1459-1462.
[11]Martin A M.Bioconversion of waste materials to industrial products[J].Bioresour Technol,1998,66(1):29-102.