Study on Optimization of High Temperature Compost Process of Kitchen Waste
[Purposes]The optimization of high temperature composting process of kitchen waste was stud-ied,in order to realize the efficient treatment of reduction,harmlessness and resource utilization of kitchen waste.[Methods]In this study,taking kitchen waste under actual working conditions as the main raw material,the design focuses on the control factors such as the particle size of the material,the mois-ture content of composting mixture,high-temperature composting time,pH value,compost temperature and ventilation and oxygen supply rate,and observes the change of kitchen waste high-temperature com-posting process and the quality of final composted products under different conditions.[Findings]The re-sults show that considering the composting efficiency and the quality of composted products,the par-ticle size is≤20 mm,the moisture content of composting mixture is 55%,the process conditions of com-posting such as the high-temperature composting time is 120 h,the culture composting temperature is 55℃,and the oxygen supply and ventilation rate is 15 L·min-1 are conducive to improving the compost-ing efficiency of kitchen waste at high temperature and producing excellent organic fertilizer.[Conclu-sions]It is of guiding significance to obtain the optimal high temperature composting technology for the timely and efficient treatment of kitchen waste,and to realize the efficient treatment of harmlessness,reduction and resource utilization of kitchen waste.
万方数据
维普
