环保酵素酶解玉米芯及产氢工艺优化研究
Study on enzymatic hydrolysis of corncobs by environmentally friendly enzyme and optimization of hydrogen production process
Corncobs are used as the hydrogen-producing substrate,and self-made environmentally friendly enzymes are taken as the pretreatment agent.The methods such as SEM,FT-IR,and Box-Behnken Design (BBD) response surface methodology are employed to investigate deeply the influences and interactions of the initial pH,the addition amount of enzymes,and temperature on hydrogen production.It is indicated that these environmentally friendly enzymes can effectively hydrolyze corncobs and increase the output of hydrogen.The best process conditions are obtained through optimization by the model constructed,including an initial pH of 7.18,an addition amount of 158.30 mL for environmentally friendly enzymes,and a temperature of 30.72℃.The relative error between the predicted and actual hydrogen output is 3.92% only.This study provides new insights into the production of hydrogen from waste biomass pre-treated by environmentally friendly enzymes that are made from fruit and vegetable waste.
环保酵素 / 工艺优化 / 响应面法 / 光合细菌 / 光发酵制氢
environmentally friendly enzyme / process optimization / response surface methodology / photosynthetic bacteria / photo-fermentative hydrogen production
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山西省研究生实践创新项目(2023SJ086)
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