Straw treatment process for improving fermentation efficiency of corn straw
A corn stalk and fermentation efficiency technology, applied in the biological field, can solve problems such as the inability to maintain the continuity of the heat transfer channel, the unfavorable heat transfer of the material layer, and the fault of the heat transfer channel, so as to achieve low-cost resource utilization and facilitate the growth of microorganisms , Improve the effect of compactness
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[0014] Example 1
[0015] A straw treatment process for improving the fermentation efficiency of corn straw, the specific process method is as follows:
[0016] 1) At room temperature, according to the volume ratio of 1:1, add the 3% concentration of chitosan solution to the 3% concentration of nanocellulose aqueous solution, and then slowly add 0.02% of the nanocellulose aqueous solution weight of NN methylene Base bisacrylamide, stirred at a speed of 80r / min for 2h to form a uniform dispersion system, then put the solution in a mold, let it stand at room temperature until the gel is stably formed, and then place it in a 50% tert-butyl Perform solvent replacement in the alcohol solution for 30 hours, and replace the solution every 8 hours during the replacement process. After the replacement is completed, freeze-dry at -55°C for 25 hours to obtain nano-nanocellulose / chitosan composite aerogel;
[0017] 2) Immerse the nano-nanocellulose / chitosan composite aerogel into the mixed solu...
Example Embodiment
[0021] Example 2
[0022] A straw treatment process for improving the fermentation efficiency of corn straw, the specific process method is as follows:
[0023] 1) At room temperature, add a 4% chitosan solution to a 5% nanocellulose aqueous solution according to a volume ratio of 1:1, and then slowly add 0.03% NN methylene by weight of the nanocellulose aqueous solution Base bisacrylamide, stirred for 1.5h at a speed of 100r / min to form a uniform dispersion system, then put the solution in a mold, let it stand at room temperature until the gel is stably formed, and then place it in a 60% tertiary Perform solvent replacement in the butanol solution for 25 hours, and replace the solution every 7 hours during the replacement process. After the replacement is completed, freeze-dry at -58°C for 23 hours to obtain nano-nanocellulose / chitosan composite aerogel;
[0024] 2) Immerse the nano-nanocellulose / chitosan composite aerogel into the mixed solution of tetramethylorthosilicate and abs...
Example Embodiment
[0027] Example 3
[0028] A straw treatment process for improving the fermentation efficiency of corn straw, the specific process method is as follows:
[0029] 1) At room temperature, according to the volume ratio of 1:1, add the chitosan solution with a concentration of 5% to the aqueous solution of nanocellulose with a concentration of 7%, and then slowly add the NN methylene 0.04% by weight of the nanocellulose aqueous solution Base bisacrylamide, stirred at 120r / min for 1h to form a uniform dispersion system, then put the solution in the mold, let it stand at room temperature until the gel is stable and formed, and then place it in 70% tert-butyl Perform solvent replacement in the alcohol solution for 20 hours, and replace the solution every 6 hours during the replacement process. After the replacement is completed, freeze-dry at -60°C for 20 hours to obtain the nano-nanocellulose / chitosan composite aerogel;
[0030] 2) Immerse the nano-nanocellulose / chitosan composite aerogel ...
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