Bromine sulfamate as well as preparation method and application thereof

A technology of sulfamic acid bromide and sulfamic acid, which is applied in the directions of sulfamic acid, nitrogen and non-metallic compounds, can solve the problems of unclear residual substances of disinfectants, hidden safety hazards, no effect, etc., and achieves good safety, The effect of low consumption and convenient use

Active Publication Date: 2014-10-08
江苏丽莎环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic bromide is insoluble in water when used, and many substances must be added to meet the conditions of use, and the function of the organic carrier in the organic bromide disinfectant is to serve as a carrier of effective bromine, which has no practical effect in the disinfection process, and The existence of organic matter will make the residual substances produced by disinfectants especially in the process of water treatment unclear, and there are great hidden dangers in safety

Method used

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  • Bromine sulfamate as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Put 1g of sulfamic acid in 100ml of water at room temperature, add 0.6g of anhydrous sodium carbonate, stir to dissolve, then add 1g of dipotassium hydrogen phosphate at room temperature, stir to dissolve, then add 1.6g of bromine dropwise at 0°C Simple substance, react at 0°C for half an hour, then slowly introduce 0.7g of chlorine gas at 0°C, react at 0°C for 2 hours, keep at -10°C for half an hour, filter, and vacuum dry without 0.8g of yellowish crystals.

Embodiment 2

[0016] Put 5g of sulfamic acid in 100ml of water at room temperature, add 3g of anhydrous sodium carbonate, stir to dissolve, then add 3g of dipotassium hydrogen phosphate at room temperature, stir to dissolve, then add 8g of bromine dropwise at -10°C After reacting at -10°C for half an hour, slowly introduce 3.6g of chlorine gas at 0°C, after reacting at 0°C for 2 hours, keep warm at -10°C for half an hour, filter, and dry in vacuo to obtain 4.05g of yellowish crystals.

Embodiment 3

[0018] Put 10g of sulfamic acid in 100ml of water at room temperature, add 6.5g of anhydrous sodium carbonate, stir to dissolve, then add 10g of dipotassium hydrogen phosphate at room temperature, stir to dissolve, then add dropwise 16g of bromine at -20°C Simple substance, react at -20°C for half an hour, then slowly introduce 7g of chlorine gas at -20°C, react at -20°C for 2 hours, keep warm at 0°C for half an hour, filter, and dry in vacuo to obtain 13.31g of light yellow crystals.

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Abstract

The invention discloses bromine sulfamate as well as a preparation method and application thereof. Bromine sulfamate is easily dissolved in water and is convenient to use; inorganic bromide is better than organic bromide in safety; an inorganic compound is relatively low in cost, relatively environmentally friendly and energy-saving in comparison with organic bromide because no organic carrier is provided; the compound is high in bromine content and low in consumption under the same concentration. The content of effective bromine is 125.5% and is far higher than that of other bromides, a decomposition product of bromine sulfamate is clear, and secondary pollution cannot be caused.

Description

technical field [0001] The invention relates to the field of disinfectants, in particular to bromine sulfamic acid and its preparation method and application. Background technique [0002] Bromide disinfectants are substitutes for chloride disinfectants widely used on the market. Existing bromide disinfectants include dibromohydantoin, bromochlorohydantoin and other organic substances as carriers. Organic bromide is insoluble in water when used, and many substances must be added to meet the conditions of use, and the function of the organic carrier in the organic bromide disinfectant is to serve as a carrier of effective bromine, which has no practical effect in the disinfection process, and The existence of organic matter will make the residual substances produced by disinfectants especially in the process of water treatment unclear, and there are great hidden dangers in safety. Contents of the invention [0003] Purpose of the invention: the first purpose of the inventi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B21/096
Inventor 潘旭云
Owner 江苏丽莎环保科技有限公司
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