Kitchen waste wastewater treatment process

Abstract

The invention relates to the technical field of wastewater treatment, in particular to a kitchen waste wastewater treatment process and the process comprises the following steps: oil and slag separation: separating waste oil and waste slag in a separation tank under the action of centrifugation or gravity to obtain wastewater; pretreatment: allowing the wastewater to flowinto a pretreatment pool to be subjected to coagulation, flocculation and neutralization treatment in sequence; precipitation: enabling the wastewater to flow into a sedimentation tank for precipitation treatment; hydrolytic acidification treatment: enabling the wastewater to flow into a hydrolytic acidification tank for treatment; anaerobic treatment: enabling the wastewater to flow into an anaerobic tank for treatment; aerobic treatment: enabling the wastewater to flow into an aerobic tank for treatment; precipitation: enabling the wastewater to flow into the sedimentation tank for precipitation treatment; MBRfilm treatment: treating the wastewater by utilizing an MBR film; NR film treatment: treating the wastewater by using an NR film; and emission. The process has the advantage of environmental protection.

Description

technical field [0001] The invention relates to the technical field of waste water treatment, more specifically, it relates to a kitchen waste waste water treatment process. Background technique [0002] Kitchen waste generally accounts for one-third of domestic waste. Although it is organic matter, it contains a lot of water, is not easy to incinerate, and has a large salt content, which makes it difficult to recycle. In particular, it has been accused of being the culprit of odor and leachate, and some landfills even refuse to accept treatment. [0003] However, with the soaring international feed and fertilizer prices, the demand for recycling food waste is gradually increasing. Farmers who have been refusing to use it before have gradually increased their attention to the food waste resource production products. [0004] The food waste resource treatment process generally involves heating, sterilization, drying, and crushing. The traditional method is to use crushers, ...

AI Technical Summary

Problems solved by technology

[0005] However, according to the traditional process, the waste water generated in the food waste recycling process is recycled and discharged into the ocean, and the sludge and various foreign matters contained in the food waste waste water are also directly discharged to cause environmental pollution.

[0006] That is to say, the amount of food waste resource treatment facilities has increased significantly, but the treatment facilities for the waste water generated in the resource treatment process are not up to standard, and they are unwilling to invest in facilities, which eventually leads to the problem of low product quality