Chlorine collecting agent and its prepn and application
A technology of scavenger and chlorine gas, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, can solve problems such as agglomeration, chlorine gas scavenger is easy to absorb moisture, and affects the effect of chlorine removal, and achieves good air permeability , High chlorine removal efficiency, loose texture effect
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Embodiment 1
[0024] Get 10kg of calcium hydroxide, 0.1kg of sodium dodecylsulfonate, 1.5kg of ethyl hydrogen-containing silicone oil (H / ethyl is 0.90) and hydroxyl hydrogen-containing silicone oil (H% is 8.5% ) combined mixed silicone oil, 1.9kg acetone and 0.5kg sodium silicate;
[0025] Add 3L of water to the reaction kettle, then add sodium silicate, stir for 50 minutes to make it completely dissolved, then add calcium hydroxide, stir for 30 minutes, then add sodium dodecylsulfonate, silicone oil and acetone, stir 1 hour, stand still for 2 hours, spin dry, dry for 24 hours, winnow, collect particles with a particle size of less than 5 μm, and obtain a chlorine gas scavenger.
Embodiment 2
[0027] Produce chlorine gas scavenger by the method identical with embodiment 1, difference is, used silicone oil is 2.5kg methyl hydrogen silicone oil (hydrogen atom / first grade is 0.88), acetone 2.5kg, sodium silicate 3kg.
Embodiment 3
[0029] Produce chlorine gas scavenger by the method identical with embodiment 1, difference is, used silicone oil is 1kg hydroxyl hydrogen silicone oil (H% is 10%), acetone 2.5kg, sodium silicate 2kg.
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