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METHOD AND DEVICE FOR RECYCLING ORGANIC IMPURITIES CONTAINING, ESPECIALLY AS A BY-PRODUCT OF THE CLEANING OF MUNICIPAL WASTE.
METHOD AND DEVICE FOR RECYCLING ORGANIC IMPURITIES CONTAINING, ESPECIALLY AS A BY-PRODUCT OF THE CLEANING OF MUNICIPAL WASTE.
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机译:回收特别是作为城市垃圾清洁副产品的回收有机杂质的方法和装置。
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摘要
A process for the utilization of anaerobic digested sewage sludge which comprises: (a) heating the digested sewage sludge to at least 80 DEG C and then optionally cooling it from 80 to 40 DEG C; (b) separating the heat treated digested sewage sludge, optionally in the presence of a coagulant, to give a concentrate and a supernatant; (c) preparing a culture medium by adding to the supernatant a C1-C3 alcohol and a nitrogen-containing inorganic salt and, optionally, one or more water-soluble vitamin precursors or growth factors; (d) inoculating the culture medium with anaerobic digested sewage sludge; (e) anaerobically fermenting the inoculated culture medium at from 26 to 38 DEG C; (f) separating the biomass from the fermentation liquid formed during the fermentation. e
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