Method for carrying out anaerobic digestion by using heavy metal ions-rich biomass waste materials
A technology of heavy metal ions and waste materials, applied in the field of anaerobic digestion of biomass waste materials enriched with heavy metal ions, to achieve the effects of accelerating generation, promoting anaerobic digestion to produce methane, and realizing waste reduction
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[0029] The following descriptions of various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be implemented.
[0030] The present invention is based on the anaerobic digestion reactor, researches and develops a new type of high-efficiency urban kitchen waste landfill treatment technology, and uses biomass waste materials enriched with heavy metal ions to solve the hydrolytic acidification currently existing in the anaerobic digestion process of kitchen waste The time is too long, the garbage degradation rate is slow, the gas production effect is poor, and VFA accumulation and other problems.
[0031] Anaerobic digestion methanogenesis is divided into four stages: hydrolysis stage, acidification stage, acetic acid generation stage, and methanogenesis stage. At the beginning, the substrate is hydrolyzed and acidified to generate a large amount of volatile fatty acid (Volatile Fatty Acid, VFA) and dissolved chem...
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