Comprehensive utilization method of energy grass
A technology for energy grass and plants, applied in the direction of solid waste removal, etc., can solve problems such as insufficiency, and achieve the effect of increasing added value, efficient utilization, and green technology
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[0019] The following uses 10 tons of Jujuncao (dry matter content 25%) as an example to further illustrate the specific implementation of the present invention. The present invention includes but is not limited to the following examples.
[0020] (1) Preparation of biogas from energy grass: After the energy grass is harvested, cut or crush it into about 5 cm, add pretreatment bacteria agent, and pre-ferment in airtight for 60 days;
[0021] (2) Anaerobic biogas fermentation of the pre-fermented energy grass. Add the primary fermented energy grass to the biogas fermentation tank, and feed once every 5 days, so that the total dry matter concentration of the feed liquid increases by 1% each time. When the total dry matter concentration of the feed liquid is 8%, discharge 30% of the fermented biogas residue every 5 days and then add raw materials with the same dry matter weight. 80% of the biogas slurry and biogas residue are discharged every 12 months, and new materials are adde...
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