Drying agent special for food and preparation method thereof
A desiccant, food technology, applied in separation methods, chemical instruments and methods, gas treatment and other directions, can solve problems such as leakage, agglomeration, unfavorable long-term development, etc., to achieve cost reduction, simple preparation method, water absorption and water locking effect. Good results
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Embodiment 1
[0012] A special desiccant for food and a preparation method thereof, the raw material components are composed of the following proportions by weight: 60 parts of silica gel, 10 parts of nano-silicon dioxide, 10 parts of plant fibers, 8 parts of zeolite powder, active oxidation 15 parts of aluminum, 20 parts of starch, 30 parts of deionized water.
[0013] Its preparation method is as follows:
[0014] A. Add nano-silicon dioxide, plant fiber and zeolite powder to starch under normal temperature and normal pressure and stir, add an appropriate amount of deionized water and stir, stirring at a speed of 650r / min, and stir until it is viscous to obtain mixture A;
[0015] B, adding silica aerogel into mixture A, then adding activated alumina to stir, and stirring at a rate of 720 r / min, so that it is evenly surrounded by each gel to obtain mixture B;
[0016] C, the mixture B is all pressed and dried to granulate, the particle diameter is 5mm, the temperature is set to 60°C, and...
Embodiment 2
[0018] A special desiccant for food and a preparation method thereof, the raw material components are composed of the following proportions by weight: 45 parts of silica gel, 10 parts of nano-silica, 6 parts of plant fibers, 16 parts of zeolite powder, active oxidation 7 parts of aluminum, 30 parts of starch, 15 parts of deionized water.
[0019] Its preparation method is as follows:
[0020] A. Add nano-silicon dioxide, plant fiber and zeolite powder to starch under normal temperature and pressure and stir, add an appropriate amount of deionized water and stir, stirring at a rate of 500 r / min, and stir until it is viscous to obtain mixture A;
[0021] B, adding silica aerogel into mixture A, then adding activated alumina to stir, and stirring at a rate of 720 r / min, so that it is evenly surrounded by each gel to obtain mixture B;
[0022] C, the mixture B is all pressed and dried to granulate, the particle diameter is 3mm, the temperature is set to 75°C, and the pressure is ...
Embodiment 3
[0024] A special desiccant for food and a preparation method thereof, the raw material components are composed of the following proportions by weight: 50 parts of silica gel, 11 parts of nano-silicon dioxide, 7 parts of plant fibers, 12 parts of zeolite powder, active oxidation 10 parts of aluminum, 25 parts of starch, 20 parts of deionized water.
[0025] Its preparation method is as follows:
[0026] A. Add nano-silica, plant fiber and zeolite powder into starch under normal temperature and pressure and stir, add an appropriate amount of deionized water and stir, stirring at a rate of 550 r / min, and stir until it is viscous to obtain mixture A;
[0027] B, adding silica aerogel into mixture A, then adding activated alumina and stirring, and stirring at a rate of 760 r / min, to make it evenly surrounded by each gel to obtain mixture B;
[0028] C, the mixture B is all pressed and dried to granulate, the particle diameter is 4mm, the temperature is set to 65°C, and the pressur...
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