Microbes used to turn kitchen waste into liquid
Print Edition
A 20-ton organic treatment station went into full operation in Sheshan Town, becoming Songjiang’s first biochemical disposal site.
Organic waste from kitchens is turned into liquid by the machine, using microbes.
Currently, the station handles about 20 tons of trash from the town’s 10 neighborhoods.
Sorters first separate the garbage into dry trash and larger organic trash. Strong magnets remove metallic items, such as bottle caps and hairpins, to prevent them from damaging the system’s machinery.
Larger waste pieces, such a meat bones, require treatment for more than 10 days to break them down. Small bones, from poultry and fish, can be reduced to liquid within several hours.
The stations utilizes microbes that decompose organic trash best between the temperatures of 30-50 degrees Celsius.
The liquefied trash is subjected to a second water treatment system before being sent into the town’s sewage system.
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