城市污泥与园林绿化废弃物共堆肥效果研究

浙江农业学报

城市污泥与园林绿化废弃物共堆肥效果研究

（1.苏州科技学院环境科学与工程学院，江苏苏州 215009； 2.江苏省水处理技术与材料协同创新中心，江苏苏州 215009）

出版日期:2016-05-25 发布日期:2016-05-19

Study on composting effect of sewage sludge and green plant wastes

（1. School of Environment Science and Engineering， Suzhou University of Science and Technology， Suzhou 215009， China; 2. Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment， Suzhou 215009， China）

Online:2016-05-25 Published:2016-05-19

摘要/Abstract

摘要： 为促进城市有机废弃物的减量化与资源化利用，以城市污泥和园林绿化废弃物为堆肥原料，研究城市污泥与园林绿化废弃物不同配比对共堆肥效果的影响。结果表明：不同配比对共堆肥效果具有显著影响。与质量比2∶3和3∶3的处理相比，城市污泥与园林绿化废弃物采用45∶3的比例可显著加快堆体升温进程，提高堆体温度并延长高温持续时间；各处理水溶性有机碳与有机质含量均随堆肥进行而下降，其中4.5∶3与6∶3处理的降解量显著高于2∶3与3∶3；堆肥后相对全氮含量较堆肥前均有所增加，且4.5∶3与6∶3处理要显著高于2∶3与3∶3，但前两者绝对氮损失率要高于后者。考虑到为将两种废弃物同时最大化处理并取得较好的堆肥效果，建议城市污泥与园林绿化废弃物采用质量比4.5∶3的比例混合共堆肥。

关键词: 城市污泥, 废弃物, 堆肥

Abstract: In order to promote the reduction and resource utilization of organic wastes in city， the composting effects with different proportions of sewage sludge and green plant wastes were studied. It was shown that different proportions of sewage sludge and green plant wastes significantly influenced composting effects. Compared with the treatments with ratios of 2∶3 and 3∶3， the treatment with ratios of 4.5∶3 in sewage sludge and green plant wastes promoted the temperature advancements， increased the maximum temperature and prolonged the high temperature period. Dissolved organic carbon and organic matter decreased in composting， and the degradation of treatments with ratios of 4.5∶3 and 6∶3 was significantly higher than those of 2∶3 and 3∶3. The relative content of total nitrogen accumulated after composting， and the accumulation of treatments with ratios of 4.5∶3 and 6∶3 were significantly higher than those of 2∶3 and 3∶3. However， the loss amount of absolute nitrogen in former treatments was higher than those of 2∶3 and 3∶3. Thus， the treatment with ratio of 4.5∶3 in sewage sludge and green plant wastes was suggested for the composting to maximize the treatment amount of both kinds of wastes and to get better composting effects.

Key words: sewage sludge, wastes, composting

吴阳1，喻徐良1，徐乐中1，2，*，梅娟1. 城市污泥与园林绿化废弃物共堆肥效果研究[J]. 浙江农业学报.

WU Yang1，YU Xuliang1，XU Lezhong1，2，*，MEI Juan1. Study on composting effect of sewage sludge and green plant wastes[J]. .

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