Resource utilization method of agricultural organic waste
A technology for recycling organic waste, applied in the field of resource utilization of agricultural organic waste, can solve the problems of low methane yield, limited utilization of biogas slurry and biogas residue, etc., to improve purity, improve components and structure , The effect of improving the process yield
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[0036] Example 1
[0037] In this embodiment, the agricultural organic waste is utilized as a resource according to the following steps:
[0038] 1. Anaerobic dry fermentation test
[0039] Using 250mL serum bottle as the reactor, a total of 12 reactors are set up, divided into four groups, each with 3 parallel samples, the agricultural organic waste used in each group is: 5g straw 1+1.25g cow manure (based on dry matter Mass), 5g straw 1+1.25g cow dung + iron oxide (addition is calculated as Fe, 0.2% of the total mass of volatile solids in straw 1 and cow dung), 5g straw 2+1.25g cow dung, 5g straw 1 +1.25g cow dung + iron oxide (the added amount is calculated as Fe, which is 5% of the total mass of volatile solids in straw 1 and cow dung). Add appropriate amount of water to adjust the dry matter content of each reactor solution to 20%.
[0040] Anaerobic dry fermentation was performed on each group of reactors, the fermentation temperature was 55℃, and the gas volume and methane co...
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