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Compound type water body bactericide and preparation method
Inactive Publication Date: 2017-06-13
新疆水处理工程技术研究中心有限公司
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At present, stable chlorine dioxide also has the disadvantages of high price, harsh storage conditions, short storage time, and inconvenient operation.
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[0041] S1: First add half of the distilled water to the reaction kettle, add 31% sodium chlorite aqueous solution into the reaction kettle, and fully stir for 15 minutes;
[0042] S2: Add 2% hydrogen peroxide to the above reaction kettle, and stir for 15 minutes;
[0043] S3: Add 1% borax to the above reaction kettle, and stir for 10 minutes;
[0044] S4: Add sodium peroxide and magnesium peroxide to the above reaction kettle, an...
Embodiment 3
[0050] A composite water body bactericide, which consists of the following components in parts by weight: 18 parts of 31% sodium chlorite aqueous solution, 2.3 parts of 1% borax, 2.5 parts of 2% hydrogen peroxide, 0.7 parts of sodium peroxide, and 0.7 parts of magnesium peroxide , 0.6 parts of pentasodium diethylenetriamine pentaacetate, 0.6 parts of tetrasodium hydroxyethylenediamine tetraacetate, 0.8 parts of disodium hydrogen phosphate, 0.8 parts of sodium dihydrogen phosphate and 73 parts of distilled water.
[0051] The preparation method is as follows:
[0052] S1: First add half of the distilled water to the reaction kettle, add 31% sodium chlorite aqueous solution into the reaction kettle, and fully stir for 20 minutes;
[0053] S2: Add 2% hydrogen peroxide to the above reactor, and stir for 17 minutes;
[0054] S3: Add 1% borax to the above reaction kettle, and stir for 13 minutes;
[0055] S4: Add sodium peroxide and magnesium peroxide to the above reaction kettle,...
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Abstract
The invention discloses a compound type water body bactericide. The compound type water body bactericide is prepared from the following components in parts by weight: a sodiumchlorite water solution of which the concentration is 31 percent, sodium borate of which the concentration is 1 percent, hydrogenperoxide of which the concentration is 2 percent, a stabilizing agent, a complexing agent, a pH (Potential of Hydrogen) buffering agent and distilled water. The compound type water body bactericide disclosed by the invention has good killing effect on heterotrophic bacteria in circulating water and Escherichia coli in treated reclaimed water, the killing speed is fast, the killing ability is strong, and the total number of saprophytic bacteria in industrial circulating water can be controlled to be smaller than 1 *10<5>; meanwhile, products are more stable and shelf-stable, and the validity period can be up to three years; the technology is simple, and the use is convenient; compared with bactericides in the same kind, the cost is lower, and through check computation, the cost can be reduced to about 20 percent.
Description
technical field [0001] The invention relates to the technical field of chemical reagents for circulating water treatment, in particular to a composite water body bactericide and a preparation method. Background technique [0002] Commonly used fungicides can be divided into two categories: oxidizing and non-oxidizing fungicides. Oxidizing fungicides are strong oxidants that sterilize by oxidizing the enzymes required by microorganisms. Compared with non-oxidizing fungicides, it has the advantages of fast sterilization speed, high efficiency, low cost, and microorganisms are not easy to develop resistance to them. Commonly used oxidizing bactericides include chlorine gas, sodiumhypochlorite solution (10%), dichloroisocyanurate, trichloroisocyanuric acid, etc., and many oxidizing substances have certain disinfection and biocidal capabilities, such as sodium percarbonate , Potassiumpermanganate, potassium ferrate, potassiumpersulfate, etc. can be used in drinking water, in...
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