Anti-caking processing method of potassium monopersulfate compound salt

The technology of a potassium hydrogen peroxymonosulfate composite salt and a treatment method is applied in the field of preparation of inorganic peroxides and achieves the effects of easy operation, simple production process and good fluidity

Inactive Publication Date: 2009-02-25
陶华西
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method can only be used to preserve the potassium monopersulfate compound salt for three months at room temperature.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Embodiment 1: Get 50 grams of α-alkenyl sodium sulfonate and dissolve it in 5 kilograms of water, spray this aqueous solution into 50 kilograms of wet potassium hydrogen persulfate compound salts, then centrifugally spin dry, add 250 grams of hydroxide after drying Magnesium is mixed evenly and packed in a sealed package.

Embodiment 2

[0011] Embodiment 2: Take 10 grams of fatty alcohol polyoxyethylene ether ammonium sulfate and dissolve it in 5 kilograms of water, spray this aqueous solution into 50 kilograms of wet potassium hydrogen persulfate compound salts, then centrifugally dry, add 500 grams of oxidation Magnesium is mixed evenly and packed in a sealed package.

Embodiment 3

[0012] Embodiment 3: Get 10 grams of fatty alcohol polyoxyethylene ether ammonium sulfate, 30 grams of polyoxyethylene polyoxypropylene ethers and dissolve in 5 kilograms of water, spray this aqueous solution into 50 kilograms of wet potassium hydrogen persulfate compound salts, then centrifuge Spin dry, add 1000 grams of magnesium carbonate after drying, mix evenly, seal and pack.

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PUM

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Abstract

The invention relates to a processing method for preventing agglomeration of potassium peroxymonosulfate, and belongs to the technical field of preparing inorganic peroxide; wet potassium peroxymonosulfate is added with a surface active agent which is taken as a anti-caking agent in a spraying way, and after drying a magnesium compound which functions as a separant is added in; the surface active agent can be any one of or the mixture of more than one of sodium dodecyl sulfate, sodium alpha-olefin sulfonate, fatty alcohol polyoxyethylene ether, polyoxyethylene polyoxypropylene ether, dodecyl trimethyl ammonium chloride, sodium carboxymethyl cellulose, fatty alcohol polyoxyethylene alkyl ether ammonium sulfate, stearic acid monoglyceride, methyl-silicone oil, nonylphenol ethoxylates, and the like, and the addition amount accounts for 0.05-1% of the weight of the wet potassium peroxymonosulfate. By properly selecting the surface active agent as the anti-caking agent and the magnesium compound as the separant, the processing method has the advantages of simple production technique and easy operation and is suitable for large-scale industrial production.

Description

technical field [0001] The invention relates to an anti-caking treatment method of potassium hydrogen persulfate compound salt, which belongs to the technical field of preparation of inorganic peroxides. Background technique [0002] Potassium hydrogen persulfate compound salt is also called potassium hydrogen persulfate compound salt and potassium monopersulfate compound salt. It is a compound salt composed of three components: potassium hydrogen persulfate, potassium hydrogen sulfate and potassium sulfate. The molecular formula is 2KHSO 5 -KHSO 4 -K 2 SO 4 , with a molecular weight of 614.7, it is a free-flowing white powder under normal conditions. Due to its strong hygroscopicity, no matter whether it is in a bag or in bulk, the compound salt will continuously absorb water from the air during storage. thereby causing clumping. In addition, due to a certain pressure during the accumulation process, the loose crystal structure changes, sticks to each other, and finally...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B15/08
Inventor 杨国南郑龙
Owner 陶华西
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