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接种抗酸化复合菌对餐厨废弃物堆肥酸化缓解及腐殖化的影响

丁杰 郝艳 侯佳奇 刘东明 席北斗 李鸣晓 吴明红

丁杰, 郝艳, 侯佳奇, 刘东明, 席北斗, 李鸣晓, 吴明红. 接种抗酸化复合菌对餐厨废弃物堆肥酸化缓解及腐殖化的影响[J]. 环境科学研究, 2016, 29(12): 1887-1894.
引用本文: 丁杰, 郝艳, 侯佳奇, 刘东明, 席北斗, 李鸣晓, 吴明红. 接种抗酸化复合菌对餐厨废弃物堆肥酸化缓解及腐殖化的影响[J]. 环境科学研究, 2016, 29(12): 1887-1894.
DING Jie, HAO Yan, HOU Jiaqi, LIU Dongming, XI Beidou, LI Mingxiao, WU Minghong. Effects of Anti-Acidification Microbial Agents(AAMA) on Reducing Acidification and Promoting Humification during Kitchen Waste Composting〖[J]. Research of Environmental Sciences, 2016, 29(12): 1887-1894.
Citation: DING Jie, HAO Yan, HOU Jiaqi, LIU Dongming, XI Beidou, LI Mingxiao, WU Minghong. Effects of Anti-Acidification Microbial Agents(AAMA) on Reducing Acidification and Promoting Humification during Kitchen Waste Composting〖[J]. Research of Environmental Sciences, 2016, 29(12): 1887-1894.

接种抗酸化复合菌对餐厨废弃物堆肥酸化缓解及腐殖化的影响

基金项目: 国家自然科学基金项目(51408572)

Effects of Anti-Acidification Microbial Agents(AAMA) on Reducing Acidification and Promoting Humification during Kitchen Waste Composting〖

  • 摘要: 为研究接种抗酸化复合菌(包括假单胞菌、芽孢杆菌、唾液乳杆菌、Dysgonomonas、Aeribacillus pallidus)对餐厨废弃物堆肥过程中有机酸降解、腐殖化进程的影响.以餐厨废弃物和稻壳为堆肥原料,抗酸化复合菌为接种菌,设置T1(接种抗酸化复合菌)和CK(对照)2个试验组,对堆肥温度、pH、DOM(水溶性有机物)、有机酸代谢酶等指标进行了分析.结果表明:抗酸化复合菌能有效缓解堆肥初期酸化抑制作用,使堆肥快速进入高温期且持续时间可达7 d,T1组高温期峰值温度为64 ℃,而CK组仅为59 ℃且高温时间不能持续;堆肥1 d后,CK组pH由初始的5.68迅速降至4.42,下降了22%,T1组pH变化不明显;从蛋白酶种类来看,CK组仅检测到与丙酸、乙酸代谢相关的丙酮酸脱氢酶、乌头酸水合酶,而T1组除上述两种酶外,还检测到乙醛脱氢酶、乙酰辅酶A合成酶和苹果酸合成酶,接种抗酸化复合菌增加了有机酸代谢相关酶种类,并有效缓解了堆肥初期酸化的问题.研究显示,堆肥结束时,T1、CK组DOM中代表胡敏酸类物质的积分标准体积占总积分标准体积的比例分别为57.8%、44.0%,接种抗酸化复合菌系使DOM中腐殖酸比例增加了31.4%,促进了DOM腐殖化,T1组堆肥腐殖质碳相比CK组提高了66.67%,促进了腐殖质合成.

     

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出版历程
  • 收稿日期:  2016-04-23
  • 修回日期:  2016-09-23
  • 刊出日期:  2016-12-25

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