A kind of method for preparing sodium hypochlorite
A sodium hypochlorite and chlorine gas technology, applied in hypochlorous acid, hypochlorite, chemical instruments and methods, etc., can solve the problems of increasing production costs and tail gas treatment costs, reducing effective chlorine content, increasing sodium hypochlorite, etc., to reduce tail gas Disposal cost, strong anti-oxidation ability, effect of inhibiting decomposition
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Embodiment 1
[0035] Step1: According to parts by weight, weigh 3 parts of silicon nitride, 4 parts of sodium silicate and 1000 parts of sodium chloride;
[0036] Step2: Put the weighed silicon nitride, sodium silicate and sodium chloride in a double-helix mixer, mix them evenly, and press them into shape;
[0037] Step3: Under nitrogen protection, control the temperature at 650°C for sintering;
[0038] Step4: Grind after cooling and forming, and pass through a 200-mesh sieve to obtain the product.
Embodiment 2
[0040] Step1: According to parts by weight, weigh 4 parts of silicon nitride, 2 parts of sodium silicate and 1500 parts of sodium chloride;
[0041] Step2: Put the weighed silicon nitride, sodium silicate and sodium chloride in a double-helix mixer, mix them evenly, and press them into shape;
[0042] Step3: Under nitrogen protection, control the temperature at 675°C for sintering;
[0043] Step4: Grind after cooling and forming, and pass through a 200-mesh sieve to obtain the product.
Embodiment 3
[0045] Step1: According to parts by weight, weigh 6 parts of silicon nitride, 3 parts of sodium silicate and 2000 parts of sodium chloride;
[0046] Step2: Put the weighed silicon nitride, sodium silicate and sodium chloride in a double-helix mixer, mix them evenly, and press them into shape;
[0047] Step3: Under nitrogen protection, control the temperature at 700°C for sintering;
[0048] Step4: Grind after cooling and forming, and pass through a 200-mesh sieve to obtain the product.
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