Composting is an effective and economic technology for the recycling of organic waste. In this study, bean dregs (BD) (at 0, 35, and 45%) and crab shell powder (CSP) (at 0, 15, and 25%) were evaluated as additives during the two-stage composting of green waste (GW). The GW used in this experiment mainly consisted of branch cuttings collected during the maintenance of the urban green landscape. Combined additions of BD and CSP improved composting conditions and compost quality in terms of composting temperature, specific surface area, average pore diameter, pH and EC values, carbon dioxide release, ammonia and nitrous oxide emissions, ratio, elemental composition and atomic ratios, organic matter degradation, microbial numbers, enzyme activities, compost phytotoxicity, and environmental and economic benefits. The combined addition of 35% BD and 25% CSP to the two-stage composting of GW resulted in the highest quality compost product in only 22 days.

中文翻译：

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豆渣、蟹壳粉添加剂对绿色垃圾堆肥化的影响


堆肥是有机废物回收利用的一种有效且经济的技术。在这项研究中，豆渣（BD）（0%、35%和45%）和蟹壳粉（CSP）（0%、15%和25%）作为绿色垃圾两阶段堆肥过程中的添加剂进行了评估。 GW）。本实验使用的GW主要由城市绿化景观维护过程中收集的枝条组成。 BD和CSP的联合添加改善了堆肥条件和堆肥质量，包括堆肥温度、比表面积、平均孔径、pH和EC值、二氧化碳释放量、氨和一氧化二氮排放量、比率、元素组成和原子比、有机物物质降解、微生物数量、酶活性、堆肥植物毒性以及环境和经济效益。在 GW 的两阶段堆肥中结合添加 35% BD 和 25% CSP，仅用了 22 天就产生了最高质量的堆肥产品。