Zhang Xiangfeng, Wang Hongtao, Nie Yongfeng
Dept. of Environmental Science and Engineering, Tsinghua University, Beijing 100084, China.
Huan Jing Ke Xue. 2003 Nov;24(6):148-51.
Co-composting of high moisture vegetable wastes (celery and cabbage) and flower wastes (carnation) were studied in a sequential fed bed. The preliminary materials of composting were celery and carnation wastes. The sequential fed materials of composting were cabbage wastes and were fed every 4 days. Moisture content of mixture materials was between 60% and 70%. Composting was done in an aerobic static bed of composting based temperature feedback and control via aeration rate regulation. Aeration was ended when temperature of the pile was about 40 degrees C. Changes of composting of temperature, aeration rate, water content, organic matter, ash, pH, volume, NH4(+)-N, and NO3(-)-N were studied. Results show that co-composting of high moisture vegetable wastes and flower wastes, in a sequential fed aerobic static bed based temperature feedback and control via aeration rate regulation, can stabilize organic matter and removal water rapidly. The sequential fed operation are effective to overcome the difficult which traditional composting cannot applied successfully where high moisture vegetable wastes in more excess of flower wastes, such as Dianchi coastal.
在连续进料床中研究了高水分蔬菜废弃物（芹菜和卷心菜）与花卉废弃物（康乃馨）的共堆肥。堆肥的初始原料是芹菜和康乃馨废弃物。堆肥的连续进料原料是卷心菜废弃物，每4天进料一次。混合物料的含水量在60%至70%之间。堆肥在基于温度反馈并通过调节曝气速率进行控制的好氧静态堆肥床中进行。当堆体温度约为40℃时停止曝气。研究了堆肥过程中温度、曝气速率、含水量、有机物、灰分、pH值、体积、NH4(+)-N和NO3(-)-N的变化。结果表明，在基于温度反馈并通过调节曝气速率进行控制的连续进料好氧静态床中，高水分蔬菜废弃物与花卉废弃物的共堆肥能够快速稳定有机物并去除水分。连续进料操作有效地克服了传统堆肥在高水分蔬菜废弃物比花卉废弃物多得多的地方（如滇池沿岸）无法成功应用的难题。
