Kitchen waste is divided into catering waste and kitchen waste, accounting for more than 50% of the total waste. Because it contains a lot of water and organic matter, it is easy to cause rich nutrition in the environment, so how to properly treat kitchen waste has become an urgent problem Kitchen waste in the canteen refers to the food waste with less components produced in the canteen. At present, the waste of college canteens is particularly serious. Despite the continuous introduction of relevant policies by various departments of the country, it is difficult to change people's ideas in the short term, and the classification of kitchen garbage in college canteens is still not in place, which causes environmental pollution. Under the requirements of epidemic prevention and control, it is urgent to solve the problem of kitchen garbage in college canteens in order to further respond to the call of "CD-ROM Action".

Food waste treatment Through field visits to some colleges and universities across the country, the manufacturer found that the average amount of food wasted by students accounted for about 30% of the average amount of food purchased, and a large number of leftovers after meals were generally discarded. In densely populated areas with large food consumption, due to the large population, the amount of food wasted every year after accumulation is huge, and the harm should not be underestimated; Many provinces and cities have introduced the problem of food waste classification. Relevant policies, but the implementation of relevant policies in major universities is not optimistic. Due to the concentration of students after class, the crowding of people, the lack of time for garbage classification, and the insufficient disposal of kitchen waste by restaurant staff, the problem of kitchen waste disposal in university canteens has been caused.

Landfill is a direct and common way for college canteens in China to deal with food waste. Although the operation is simple and the operating cost is low, food waste contains a lot of water and organic matter. Leachate and waste will be generated when landfill is used for treatment. Harmful gases directly pollute groundwater and air, and ultimately affect human health.

The kitchen waste in the canteen is relatively concentrated, the output and time are relatively fixed, and the amount generated every day is relatively fixed, which is suitable for the site Food waste treatment equipment , which can be centrally processed in the canteen and save transportation costs. It can avoid environmental pollution during transportation. The microbial strain degradation technology has no pollution, low noise, no odor, and will not affect the dining environment and school environment.