A kind of preparation method of nano-scale high activity hollow microsphere ferric orthophosphate
A technology of hollow microspheres and ferric orthophosphate, which is applied in the fields of phosphate, phosphorus oxyacid, nanotechnology, etc., can solve the problems of low discharge performance and rate performance at low temperature, poor cycle performance at high humidity, and low basic reserves of raw materials, etc. Achieve the effects of improved rate performance, good high-humidity cycle performance, and simple preparation steps
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example 1
[0016] First, mix water glass and oxaloacetic acid evenly at a mass ratio of 6:1, control the temperature at 160°C, and rotate at a speed of 280r / min, then place the mixture in a 300W ultrasonic disperser, ultrasonically disperse for 1 hour, and wait for ultrasonic dispersion After the completion, let it stand for 2 hours to obtain a colloid and set it aside; then take 0.8kg of lemon, wash and air-dry it, then sterilize it under a UV lamp for 2 hours, add deionized water to soak for 10 minutes, and then cut it to a thickness of 1cm and put it in Add 100mL of water and 10g of cellulase to the container for enzymolysis for 30min, put it in a fermenter after enzymolysis, add 3g of yeast and 50mL of water to the fermenter, and keep the temperature in the fermenter at 38°C , sealed and fermented for 4 days, after fermentation, filter to obtain the filtrate, i.e. citric acid; then add 10% ferric chloride and 15% sodium dihydrogen phosphate in the colloidal matter for subsequent use r...
example 2
[0018]First, according to the mass ratio of 6:1, mix water glass and oxaloacetic acid evenly, control the temperature at 170°C, and rotate at 280r / min, then place the mixture in a 400W ultrasonic disperser, ultrasonically disperse for 2 hours, and wait for ultrasonic dispersion After the completion, let it stand for 3 hours to obtain a colloid and set it aside; then take 0.9kg of lemon, wash and air-dry it, sterilize it under a UV lamp for 3 hours, add deionized water to soak for 13 minutes, and then cut it to a thickness of 2cm and put it in Add 110mL of water and 11g of cellulase to the container for enzymatic hydrolysis for 40 minutes. After enzymatic hydrolysis, put it in a fermenter, add 4g of yeast and 55mL of water to the fermenter, and keep the temperature in the fermenter at 40°C , sealed and fermented for 5 days, after fermentation, filter to get the filtrate, i.e. citric acid; then add 15% ferric chloride and 18% sodium dihydrogen phosphate of colloidal substance to ...
example 3
[0020] First, mix water glass and oxaloacetic acid evenly at a mass ratio of 6:1, control the temperature at 180°C, and rotate at 280r / min, then place the mixture in a 500W ultrasonic disperser, ultrasonically disperse for 2 hours, and wait for ultrasonic dispersion After the completion, let it stand for 3 hours to obtain colloids and set aside; then take 1.0kg lemon, wash and air-dry it, then sterilize it under ultraviolet light for 3 hours, add deionized water and soak it for 15 minutes, then cut it to a thickness of 2cm and put it in Add 120mL of water and 12g of cellulase to the container for enzymatic hydrolysis for 50min. After enzymatic hydrolysis, put it in a fermenter, add 5g of yeast and 60mL of water to the fermenter, and keep the temperature in the fermenter at 42°C , sealed and fermented for 5 days, after fermentation, filter to get the filtrate, i.e. citric acid; then add 20% ferric chloride and 22% sodium dihydrogen phosphate of colloidal substance respectively i...
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