Preparation method of flocculant containing potassium monopersulfate composite salt as well as product and application of flocculant
A technology of potassium hydrogen peroxymonosulfate compound salt and potassium hydrogen sulfate is applied in the field of preparation containing potassium hydrogen peroxymonosulfate compound salt, and can solve the problems of seizing the growth space of water body organisms, increasing the cost of water treatment, consuming dissolved oxygen in water, and the like, Achieve the effect of improving the effect of sediment, greening and environmental protection of the process route, and strengthening the fiber-forming and film-forming ability.
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Embodiment 1
[0030] A kind of flocculant containing potassium peroxodisulfate compound salt, potassium peroxodisulfate hydrolysis makes potassium peroxodisulfate compound salt, and its pH is neutral after being dissolved in water, and is prepared according to the following steps:
[0031] (1) Weigh 390g of potassium peroxodisulfate into a clean four-necked flask, add 1170g of deionized water, turn on the mechanical stirring for about 5 minutes and basically dissolve, add 2.5 g of high-efficiency loaded nano-catalyst;
[0032] (2) Turn on the water bath to control the internal temperature of the flask at 45°C, and keep it warm for 10 hours;
[0033] (3) Detect that the active oxygen of potassium persulfate monomer in the flask reaches more than 1.5%, filter to remove the catalyst, add 5g of stabilizer sodium tripolyphosphate; slowly add 98g of potassium bisulfate and stir to mix, then add 88g of 50% hydroxide Neutralize the potassium solution, stir and keep warm for 30 minutes after feeding...
Embodiment 2
[0037] A kind of flocculant containing potassium monopersulfate compound salt, similar to embodiment, is prepared according to the following steps:
[0038] (1) Weigh 326 g of potassium peroxodisulfate into a cleaned four-necked flask, add 1234 g of deionized water, turn on the mechanical stirring for about 5 minutes and basically dissolve it, and add 2 g of highly efficient loaded nano-catalyst;
[0039] (2) Turn on the water bath to control the internal temperature of the flask at 30 °C, and keep it warm for 16 hours;
[0040] (3) Detect that the monomer active oxygen of potassium persulfate in the flask reaches 1.23%, remove the catalyst by filtration, and add 3g of stabilizer potassium tripolyphosphate. Slowly add 89 g of potassium bisulfate, stir and mix, then add 76 g of 40% potassium hydroxide solution to neutralize, the temperature is controlled at about 40 °C, after the addition is completed, keep it under stirring state for 30 min, rotate to concentrate, and then coo...
Embodiment 3
[0043] A kind of flocculant containing potassium monopersulfate compound salt, similar to embodiment, is prepared according to the following steps:
[0044](1) Weigh 370 g of potassium peroxodisulfate into a cleaned four-necked flask, add 1110 g of deionized water, turn on the mechanical stirring for about 5 minutes and basically dissolve, add 4 g of highly efficient nano-catalysts;
[0045] (2) Turn on the water bath to control the internal temperature of the flask at 40 °C, and keep it warm for 8 hours;
[0046] (3) It was detected that the monomeric active oxygen of potassium persulfate in the flask reached 1.63%, the catalyst was removed by filtration, and 2.6 g of stabilizer potassium tripolyphosphate was added. Slowly add 116 g of potassium bisulfate, stir and mix, then add 109 g of 50% potassium hydroxide solution for neutralization, control the temperature at about 35 °C, keep stirring for 30 min after the addition is complete, rotate to concentrate, and then cool to a...
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