添加调理剂对农村固体废弃物堆肥的影响

环境卫生工程

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添加调理剂对农村固体废弃物堆肥的影响

1.北京科技大学天津学院环境工程系；2. 北京科技大学能源与环境工程学院

Effect of adding conditioner on composting of rural solid waste

1. Department of Environmental Engineering, Tianjin College, University of Science and Technology Beijing;2. College of Energy and EnvironmentalEngineering, University of Science and Technology Beijing

摘要/Abstract

摘要：

随着全球人口的增长和农业生产的快速发展，农业废弃物的产生量逐年增加。为研究肉骨粉和风化煤的添加对尾菜和秸秆堆肥的影响，设置T1（白菜尾菜+玉米秸秆）、T2（白菜尾菜+玉米秸秆+肉骨粉）和T3（白菜尾菜+玉米秸秆+肉骨粉+风化煤）处理进行堆肥试验，对堆肥过程中温度、水分、pH、C/N等测定分析。结果显示，加入肉骨粉+风化煤处理，能提高堆肥中后期的发酵温度，使堆肥高温期保持时间较长，且能提高发酵的最高温度。堆肥结束时，所有处理有机碳含量下降30%左右，T3处理的剩余有机质含量最高；全氮含量分别增加0.93%、0.98%和1.05%，T3处理的全氮含量最高；全钾含量增加 2.22%、2.36% 和2.62%，T3处理的全钾含量最高；全磷含量增加0.31%、0.35%和0.43%，T3处理的全磷含量最高。由于T1、T2和T3处理的基础原料（白菜尾菜、玉米秸秆）占比高且养分含量接近，而仅通过少量调理剂（肉骨粉、风化煤）调整配方，导致养分增量差异较小。种子发芽指数（GI）分别达到91.97%、99.08%和125.73%，T3处理的GI值最高。可见添加肉骨粉+风化煤可加快堆肥腐熟，增加氮、钾、磷的累积，提升堆肥品质。

关键词: 风化煤')">

风化煤, 肉骨粉, 秸秆, 尾菜, 堆肥

Abstract:

With the growth of global population and the rapid development of agricultural production, the amount of agricultural waste is increasing year by year. In order to study the effects of the addition of meat and bone meal and weathered coal on the composting of tail vegetable and straw, T1 (cabbage tail vegetable + corn straw ), T2 (cabbage tail vegetable + corn straw + meat and bone meal) and T3 (cabbage tail vegetable + corn straw + meat and bone meal + weathered coal) were set for composting experiments, and temperature, moisture, pH and C/N were determined and analyzed during the composting process. The results showed that adding meat and bone meal + weathered coal treatment could increase the fermentation temperature in the middle and late period of compost, keep the high temperature period longer, and increase the maximum fermentation temperature. At the end of composting, the organic carbon content of all treatments decreased by about 30%, and the residual organic matter content of T3 treatment was the highest. Total nitrogen content increased by 0.93%, 0.98% and 1.05%, respectively, T3 treatment had the highest total nitrogen content. Total potassium content increased by 2.22%, 2.36% and 2.62%, and T3 treatment had the highest total potassium content. Total phosphorus content increased by 0.31%, 0.35% and 0.43%, and T3 treatment had the highest total phosphorus content. Due to the high proportion of basic raw materials (cabbage tail, corn straw) treated by T1, T2 and T3 and the similar nutrient content, only a small amount of conditioning agents (meat and bone meal, weathered coal) were used to adjust the formula, resulting in a small difference in nutrient increment.The seed germination index (GI) reached 91.97%, 99.08% and 125.73%, respectively, the GI value of T3 treatment was the highest. It can be seen that adding meat and bone meal + weathered coal can accelerate the compost maturation, increase the accumulation of nitrogen, potassium and phosphorus, and improve the quality of compost.

Key words: Weathered coal')">

Weathered coal, Meat and bone meal, Straw, Tail vegetables, compost

刘俊杰, 严晓斌, 石东峰, 宋娜, 汪群慧.

添加调理剂对农村固体废弃物堆肥的影响 [J]. 环境卫生工程, 0, (): 0-.

LIU Junjie , YAN Xiaobin , SHI Dongfeng , SONG Na, WANG Qunhui.

Effect of adding conditioner on composting of rural solid waste [J]. Environmental Sanitation Engineering, 0, (): 0-.

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