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工业葡萄糖菌种培养的工艺操作流程!
来源:http://www.jnjdbc.com 日期:2021-02-06 发布人:adminputaotang
工业葡萄糖菌种培养的工艺操作流程:
The main operation process of industrial glucose is as follows:
①调和淀粉浆:取红薯淀粉25干克置于糖化锅中,然后取浓硫酸2.1千克缓缓加入2千克水中搅匀,再将此稀酸液倒入糖化锅中搅匀。另取沸水75千克迅速加入其中,搅成浆糊状。
① Blending starch slurry: take 25 dry grams of sweet potato starch and put it in the saccharification pot, then take 2.1kg of concentrated sulfuric acid and slowly add 2kg of water to mix well, and then pour the dilute acid into the saccharification pot and mix well. Another 75 kg of boiling water is quickly added to it and stirred into a paste.
②糖化:将淀粉浆温度升至98℃并保持-4小时,然后吸取少量糖化液,滴人碘液检验糖化终点。糖化结束后;停止加热,滤去残渣,滤液待下一步处理。
② Saccharification: raise the temperature of starch slurry to 98 ℃ and keep it for - 4 hours, then absorb a small amount of saccharification liquid and drop iodine solution to check the end point of saccharification. After saccharification, stop heating, filter the residue, and the filtrate will be treated in the next step.
③中和:在滤液中约加3.8千克碳酸钙,对其进行中和,边加边搅动,然后将糖液再加热至85℃,保持半小时,用布过滤,除去硫酸钙。
③ Neutralization: add about 3.8kg calcium carbonate to the filtrate to neutralize it, stir it while adding, then heat the sugar solution to 85 ℃ for half an hour, and filter it with cloth to remove calcium sulfate.
              无水葡萄糖
④脱色:取上面已中和好的澄清滤液,加热至85℃,然后按滤液重量加入0.3%的活性炭保持85℃半小时,然后乘热过滤除去活性炭。起初流下来的带有微量活性炭,另器接滤,至滤清再用清洁之容器接存。
④ Decolorization: take the above neutralized clarified filtrate, heat it to 85 ℃, then add 0.3% activated carbon according to the weight of filtrate, keep it at 85 ℃ for half an hour, and then remove the activated carbon by thermal filtration. At the beginning of the flow down with a trace of activated carbon, another filter, to filter and then clean the container storage.
⑤蒸发:蒸发过程即是糖液浓缩过程号将糖液的部分水分蒸去,至25℃测定比重为1.3时,即可进行结晶。
⑤ Evaporation: the evaporation process is the sugar concentration process. Part of the water in the sugar is evaporated. When the specific gravity is 1.3 at 25 ℃, crystallization can be carried out.
⑥结晶:按已蒸浓的糖,液重量加入0.5%-l.0%的葡萄糖晶种
⑥ Crystallization: add 0.5% - 1.0% glucose seed according to the weight of concentrated sugar
工业葡萄糖在调试及运转进程有许多影响处置效果的要素,首要有进水COD浓度、pH值、温度、溶解氧等,所以对整个体系经过感官判别和化学剖析办法进行监测是必不可少的。依据监测剖析的成果对影响要素进行调整,使处置到达效果。
There are many factors affecting the treatment effect of industrial glucose in the process of commissioning and operation, such as influent COD concentration, pH value, temperature, dissolved oxygen, etc. According to the results of monitoring and analysis, the influencing factors are adjusted to achieve the effect of disposal.

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