Study on the Maturity of Vegetable Waste Composting by Three-Dimensional Fluorescence Spectroscopy

The paper uses the discarded vegetables discarded in the Sanlu Highway ice bank as the raw material, and the water content will be the lowest after drying by air drying (the default water content is 0 in this paper). After the waste vegetables were recovered, the water content was adjusted to 50-60% for composting, and the cycle was adjusted to 2 months. After sampling 14 times, the temperature and pH were recorded. In the process of composting, the conditions of aerobic and hypoxic conditions were controlled, and two control variables, inoculating bacteria and no inoculating bacteria, were set, and relevant data were recorded during the composting liquid extraction process. In the whole composting process, the three-dimensional fluorescence parallel factor analysis was carried out, and the toc in the compost was used as the core data to analyse the material structure, so as to analyse the change of the maturity in the composting process, and provide theoretical guidance for its physical and chemical experiments.