Development of integrated reactors for domestic garbage and town sludge
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Abstract:
Aiming at domestic garbage aerobic compost and town sludge anaerobic treatment, on the basis of reactor TISTD (the integrated of sludge thickening and digestion)which is developed by the authors’ team, a TIDGTS (the integrated of domestic garbage and town sludge)reactor is designed.The reactor is made up of garbage and sludge chambers.Aerobic compost is adopted in the garbage chamber, while anaerobic fermentation is used in the sludge chamber, thus garbage and sludge can be treated in the same reactor.32~36 ℃ of sludge digestion can be ensured by the heat from sludge digestion, and 20 L sludge and 15 kg garbage can be treated per day.While inlet sludge moisture content is 97.2%~99.8% and VS/TS is 0.45~0.69, the discharged sludge moisture content is 92.7%~96.1% and VS/TS is 0.28~0.42.When the inlet garbage moisture content is 73.5% and VS/TS is 0.65~0.88, the discharged garbage moisture content is 48.6% and VS/TS is 0.32~0.44.The results show that the efficiency of concentration and digestion is near to TISTD which is heated by heating wire.
