Current research status and perspectives of liquid fertilizer based on kitchen biogas slurry
Aerobic digestion technology is the main treatment method of kitchen waste in China.Clean energy biogas can be generated during the aerobic fermentation process of kitchen waste,and a large amount of biogas liquids slurry can be generated.The treatment of biogas restricts the rapid development of the kitchen waste industry.The kitchen biogas slurry contains a large amount of nutrients and active substances that are beneficial to plant growth,and have high fertilizer use value.Based on published references,this study sorted out the current status of kitchen biogas slurry and their value-added products,and put forward the prospects and suggestions for the use of fertilization of kitchen biogas slurry.
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