A protein production method, system and product
A production method and production system technology, applied in the field of solid waste recycling, can solve the problems of affecting the function of protein use, no subsequent purification process, target protein decomposition, etc., to alleviate the problem of equipment corrosion, reduce energy consumption and high cost, The effect of lowering the temperature of alkaline hydrolysis
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Embodiment 1
[0043] Add the remaining sludge (water content 80%) from the urban sewage treatment plant and the preheated water from the heat exchange device 500 into the storage device 100, adjust it to a mixed solution of 75g / L (dry matter), heat it to 65°C, and put the above The preheated mixed solution is pumped into the reaction equipment 201 in the hydrolysis device 200, where two-stage hydrolysis is carried out, at first adding 1:1 papain and alkaline protease, the total addition is 4%, enzymolysis 3h, and then Heat the mixed solution to 70°C, use caustic soda to adjust the pH value to 10, and hydrolyze with hot alkali for 3 hours to obtain the first protein elution solution. The temperature of the first protein elution solution is lowered through the heat exchange device 500, and then the solid-liquid separation is carried out to obtain the second protein elution solution. One clear liquid and residue; the hot water produced by heat exchange is used to prepare waste mixed liquid, and...
Embodiment 2
[0046] Add the remaining sludge (water content 80%) from the urban sewage treatment plant and the preheated water from the heat exchange device 500 into the storage device 100 together, adjust it to a mixed solution of 50g / L (dry matter), heat it to 45°C, and put the above The preheated mixed solution is pumped into the reaction equipment 201 in the hydrolysis device 200, where two-stage hydrolysis is carried out, at first adding 1:1 papain and alkaline protease, the total addition is 5%, enzymolysis 2h, and then The mixed solution is heated to 100°C, the pH value is adjusted to 12.5 with quicklime, and the first protein elution solution is obtained by hot alkali hydrolysis for 1 hour. Clear liquid and residue; the hot water produced by heat exchange is used to prepare waste mixed liquid, and the first clear liquid of the above-mentioned solid-liquid separation is pumped into the protein extraction equipment 401 in the extraction device 400, and the pH value is adjusted to 3.5 ...
Embodiment 3
[0049] Add the remaining sludge (water content 80%) from the urban sewage treatment plant and the preheated water from the heat exchange device 500 into the storage device 100, adjust it to a mixed solution of 30g / L (dry matter), heat it to 55°C, and put the above The preheated mixed solution is pumped into the reaction equipment 201 in the hydrolysis device 200, where two-stage hydrolysis is carried out, first adding 1:1 papain and α-glucosidase, the total addition is 1.5%, enzymolysis 2h, Then heat the mixed solution to 80°C, use caustic soda to adjust the pH value to 12.5, and hydrolyze with hot alkali for 1 hour to obtain the first protein elution solution, pass the heat exchange device 500 to lower the temperature of the above first protein elution solution, and then perform solid-liquid separation, Obtain the first clear liquid and residue; the hot water generated by heat exchange is used to prepare waste mixed liquid, and the above-mentioned first clear liquid of solid-l...
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