Anaerobic digestion handling method for restaurant garbage

Abstract

The invention provides a method for resourceful treatment of restaurant garbage, which is characterized in that the restaurant garbage is completely degraded after treatment with the working procedures of oil separating, preliminary selecting, mechanical crushing, hydraulic pulping, slurry blending, anaerobic fermentation and oxygen-control composting, finally the marsh gas is decomposed via anaerobic digestion and is utilized as energy after desulfurization treatment; the high-quality organic manure is produced from the biogas residues via oxygen-control composting; the separated oil can be recycled as the regenerated industrial raw oil; the wastewater generated in the treatment process can be recycled, and finally the redundant wastewater reaching the standard is discharged after biochemical treatment; and the odor generated by the garbage in the treatment process is directly discharged after reaching the standard via biofiltration treatment, thus the restaurant garbage can be transformed into the clean regenerated energy of electric power and the pollution-free organic manure to completely realize resourceful treatment of restaurant garbage. The resourceful treatment of restaurant garbage has the advantages of innocuity, no peculiar smell, no secondary pollution during the treatment process and realization of harmless and resourceful treatment of restaurant garbage.

Description

technical field [0001] The invention belongs to the technical field of garbage treatment, and relates to a method for recycling kitchen garbage, in particular to an anaerobic digestion treatment method for kitchen garbage. Background technique [0002] With the continuous development of my country's economy and the continuous improvement of people's living standards, the catering industry in various cities has also entered a stage of rapid development, but the accompanying domestic waste and kitchen waste have seriously polluted the urban environment and sanitation. bring great harm to the life and health of the people. [0003] Food waste, commonly known as "swill", is the leftovers of catering enterprises and households such as hotels, restaurants, canteens, etc., mainly including rice and flour food residues, vegetables, vegetable oil, animal oil, meat and bones, fish bones, etc., animal and vegetable oils organic matter rich in biomass. Food waste is a potential resourc...

AI Technical Summary

Problems solved by technology

[0004] At present, there are mainly directions for the whereabouts of kitchen waste: one is to feed "swill pigs" without treatment as raw materials, harming human beings invisibly through the food chain; "Processed into "edible oil" re-flows into the market, which seriously harms the health of consumers and endangers food safety; third, it is directly discharged as garbage, which not only blocks urban sewer pipes, emits rancid smell, but also seriously pollutes water sources, causing great pressure on environmental sanitation

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