Method for pretreating maize straws by utilizing NH4HCO3, and anaerobic fermentation method of maize straws
A corn stover and anaerobic fermentation technology, applied in fermentation, waste fuel and other directions, can solve the problems of poor treatment effect, waste treatment, high cost, and achieve the effects of difficult operation, high treatment cost and alleviating waste of resources.
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Embodiment 1
[0029] A use of NH 4 HCO 3 Methods of Pretreating Corn Stalks:
[0030] After crushing the corn stalks, pass through a 40-mesh sieve, weigh 88g and add 300mL of NH with a mass concentration of 4%. 4 HCO 3 Solution, just submerged the crushed corn stalks, mixed evenly and placed in a plastic bucket, treated with micro-oxygen at room temperature for 10 days (the plastic bucket is not completely sealed, air can enter), then add water and stir the treated corn stalks evenly After standing still, filter and dry for later use.
[0031] The method of anaerobic fermentation using the above-mentioned pretreated corn stalks is as follows:
[0032] Take the above-mentioned dry corn stalks for use in a fermentation bottle, add 200mL of inoculum, [the source of the inoculum: ordinary fresh cow dung (mainly using the methanogenic bacteria in cow dung) is added with water to prepare the TS concentration ( That is, the total solid concentration, the same below) is 8% of the fermentation ...
Embodiment 2
[0035] Joined NH 4 HCO 3The mass concentration of solution is 6%, all the other are with embodiment 1.
Embodiment 3
[0037] Joined NH 4 HCO 3 The mass concentration of solution is 8%, all the other are with embodiment 1.
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