Free radical reinforced wet garbage anaerobic fermentation biogas residue stabilizing treatment agent and treatment method thereof
A stabilizing treatment agent and anaerobic fermentation technology, applied in the direction of climate change adaptation, organic fertilizer, etc., can solve the problems of inability to apply soil directly, low germination index, process instability, etc., to improve the ecological environment in urban and rural areas, and promote The effect of fertilizer utilization and promotion of humification process
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Embodiment 1
[0030] The selected chemical reagent in this embodiment is a 30% hydrogen peroxide solution. Prepare the following raw materials in parts by weight:
[0031] After anaerobic fermentation, 199 parts of biogas residue and 1 part of hydrogen peroxide solution were obtained; the above raw materials were uniformly mixed to obtain a mixture, and the mixture was stored for 30min and then placed in an oven for drying for 10h, and the oven temperature was set to 70°C.
[0032] Wherein, the mixture is composed of biogas residue and hydrogen peroxide solution in a weight ratio of 1:199.
[0033] The moisture content of the mixture was reduced to 68.5%.
Embodiment 2
[0035] The selected chemical reagent in this embodiment is ferrous sulfate heptahydrate. Prepare the following raw materials in parts by weight: 199 parts of biogas residue after anaerobic fermentation, 1 part of hydrogen peroxide solution; uniformly mix the above raw materials to obtain a mixture, store the mixture for 30min and then put it into an oven for drying for 10h , the oven temperature was set to 70 °C.
[0036] Wherein, the mixture is composed of biogas residue and ferrous sulfate heptahydrate in a weight ratio of 1:199.
[0037] The moisture content of the mixture was reduced to 65.03%.
Embodiment 3
[0039] In this embodiment, the selected chemical reagent is potassium persulfate in mass fraction. Prepare the following raw materials in parts by weight: 196 parts of biogas residue after anaerobic fermentation, and 4 parts of potassium persulfate; uniformly mix the above raw materials to obtain a mixture, store the mixture for 30min and then put it into an oven for drying for 10h , the oven temperature was set to 60 °C.
[0040] Wherein, the mixture is composed of biogas residue and potassium persulfate in a weight ratio of 1:50.
[0041] The drying effect reduces the moisture content of the mixture to 50%-60%.
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