Kitchen Waste Treatment

DeTong´s Kitchen Waste Treatment System adopts the advanced digestion technique (e.g. two‐step anaerobic digestion process) from BEB. The system includes mainly a number of key components like oil‐sludge separation, wet pretreatment, two‐step anaerobic digestion process, combined heat & power production (CHP), solid‐liquid separation, oxygen‐controlled composting, wastewater treatment, biological deodorization, and automatic control.

Step 1: Oil‐sludge separation The separated oil is used for biodiesel production
Step 2: BEB’s two‐step anaerobic digestion process

Kitchen waste contains a large amount of organic materials, thus it is a type of optimal raw material that can be easily digested and degraded by anaerobic microorganisms for biogas production. Kitchen waste goes through a two‐step digestion process for clean energy production; in turn the produced biogas is used for power generation, or undergoes further purification to serve as vehicle fuel gas or canned gas for residential use. Meanwhile, the slurry and sludge after digestion can be applied as high‐efficient organic fertilizer in ecological organic agriculture. This system, as an advanced technique for the harmless, recycling and industrialized treatment of kitchen Waste, has been subjected to vigorous promotion in Germany at present.

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