CN104719334A - Preparation method of chlorine dioxide deodorant - Google Patents
Preparation method of chlorine dioxide deodorant Download PDFInfo
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- CN104719334A CN104719334A CN201510088588.5A CN201510088588A CN104719334A CN 104719334 A CN104719334 A CN 104719334A CN 201510088588 A CN201510088588 A CN 201510088588A CN 104719334 A CN104719334 A CN 104719334A
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- chlorine dioxide
- deodorant
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- magnesium sulfate
- citric acid
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Abstract
The invention relates to a preparation method of a chlorine dioxide deodorant. The method comprises the following steps: 1, preparing the following materials in percentage by weight: 15 to 30% of sodium chlorite, 15 to 20% of citric acid, 10 to 20% of sodium hydrogen sulfate, 25 to 30% of magnesium sulfate, and the balance of phosphoric acid; 2, adding sodium chlorite, citric acid and sodium hydrogen sulfate to a reaction kettle according to the raw material ratio, and agitating to react for 20 to 25 minutes at normal temperature; 3, adding magnesium sulfate and phosphoric acid to a solution obtained in step 2 according to the raw material ratio, and then agitating to react for 1 to 5.5 hours at the temperature of 33 to 38 DEG C to obtain the chlorine dioxide deodorant. The chlorine dioxide deodorant has the advantages of being safe, stable, simple and convenient to prepare, and low in cost; in addition, the chlorine dioxide content is obviously increased, so that the disinfecting effect is improved; the chlorine dioxide deodorant is applied to disinfecting of hospitals, schools, drinking water and other industries.
Description
Technical field
The present invention relates to a kind of compound method of deodorant, be specifically related to a kind of compound method of chlorine dioxide deodorant.
Background technology
Chlorine dioxide is as a kind of novel oxidant and disinfectant, the disinfecting power of, wide spectrum efficient with it, noresidue, no coupling product and decolouring, deodorizing, the Strong oxdiative ability such as to eliminate the unusual smell have become the outstanding person in water treatment, air purifying lamp field, compare with traditional disinfectants such as ultraviolet, ozone, clorox, liquid chlorines, chlorine dioxide has unique advantage, more and more becomes first selection in deodorizing and sterilization field.
CN102197824A (publication date is on 09 28th, 2011) discloses a kind of disinfection agent of chlorine dioxide and preparation method thereof, the weight ratio of its constitutive material is: sodium chlorite 15%-30%, citric acid 15%-20%, niter cake 10%-20%, magnesium sulfate 25%-30%, phosphate 5%-15%, by above-mentioned raw materials weight ratio, sodium chlorite, citric acid and niter cake are added in reactor, stirring at normal temperature reaction 20-25 minute, stand-by; Then magnesium sulfate, phosphate two kinds of raw materials are joined in above-mentioned stand-by solution by above-mentioned weight ratio, stirring at normal temperature reaction 20-25 minute, obtain disinfection agent of chlorine dioxide, there is safety and stability, preparation process is easy, cost is low advantage, can be used for sterilizing in all trades and professions such as hospital, school, drinking water.
Prior art discloses some disinfection agent of chlorine dioxide and preparation method thereof although above-mentioned, certain needs can be met, but still there is certain defect in these: the mass percentage content of its chlorine dioxide obtained in disinfection agent of chlorine dioxide is about 35% after testing, content is on the low side, affects Disinfection Effect.
Therefore, there is further demand for disinfection agent of chlorine dioxide, this is also one of study hotspot and emphasis in this technical field, especially the power that is accomplished of the present invention and starting point place.
Summary of the invention
In order to the technical problem that the chlorine dioxide content overcoming prior art existence is on the low side, the present inventor after having carried out a large amount of further investigations, thus completes the present invention.
The present invention is achieved through the following technical solutions, and a kind of compound method of chlorine dioxide deodorant, comprises the following steps:
Step one, gets the raw materials ready according to following percentage by weight: the phosphoric acid of sodium chlorite 15%-30%, citric acid 15%-20%, niter cake 10%-20%, magnesium sulfate 25%-30%, surplus;
Step 2, adds in reactor in above-mentioned raw materials ratio by sodium chlorite, citric acid and niter cake, stirring at normal temperature reaction 20-25 minute;
Step 3, magnesium sulfate, phosphoric acid two kinds of raw materials are joined in the solution of step 2 acquisition in above-mentioned raw materials ratio, then stirring reaction 1-5.5 hour under temperature 33-38 DEG C of condition, obtains chlorine dioxide deodorant.
Preferably, in step one, the percentage by weight of each raw material is: sodium chlorite 21%, citric acid 17%, niter cake 13%, magnesium sulfate 23%, phosphoric acid 26%.
Preferably, in step 3, temperature 33-38 DEG C of this scope of stirring reaction includes any concrete point value belonged to wherein, such as 33 DEG C, 34 DEG C, 35 DEG C, 36 DEG C, 37 DEG C or 38 DEG C, most preferably 36 DEG C, also include the scope that any two point values in these concrete point values are formed, more preferably 34 ~ 37 DEG C.
Preferably, in step 3, the time 1-5.5 hour of stirring reaction includes any concrete point value belonged to wherein, such as 1 hour, 1.5 hours, 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours, 4.5 hours, 5 hours or 5.5 hours, most preferably 2.5 hours, also include the scope that any two point values in these concrete point values are formed, more preferably 2 ~ 4 hours.
Compared with prior art, beneficial effect of the present invention is as follows: the present invention is replaced phosphate by using phosphoric acid and prepared the disinfection agent of chlorine dioxide obtained by the optimization of reaction condition, not only there is safety and stability, preparation process is easy, cost is low advantage, and the content of chlorine dioxide obviously raises, be conducive to improving Disinfection Effect, be more applicable for and sterilize in all trades and professions such as hospital, school, drinking water.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Embodiment 1
The present embodiment relates to a kind of compound method of chlorine dioxide deodorant, comprises the following steps:
Step one, gets the raw materials ready according to following percentage by weight: sodium chlorite 21%, citric acid 17%, niter cake 13%, magnesium sulfate 23%, phosphoric acid 26%;
Step 2, adds in reactor in above-mentioned raw materials ratio by sodium chlorite, citric acid and niter cake, and stirring at normal temperature reacts 22 minutes;
Magnesium sulfate, phosphoric acid two kinds of raw materials to be joined in the solution that step 2 obtains in above-mentioned raw materials ratio by step 3, and then stirring reaction 2.5 hours under temperature 36 DEG C of conditions, obtains chlorine dioxide deodorant.
Embodiment 2
The present embodiment relates to a kind of compound method of chlorine dioxide deodorant, comprises the following steps:
Step one, gets the raw materials ready according to following percentage by weight: sodium chlorite 15%, citric acid 20%, niter cake 10%, magnesium sulfate 30%, phosphoric acid 25%;
Step 2, adds in reactor in above-mentioned raw materials ratio by sodium chlorite, citric acid and niter cake, and stirring at normal temperature reacts 25 minutes;
Magnesium sulfate, phosphoric acid two kinds of raw materials to be joined in the solution that step 2 obtains in above-mentioned raw materials ratio by step 3, and then stirring reaction 5.5 hours under temperature 33 DEG C of conditions, obtains chlorine dioxide deodorant.
Embodiment 3
The present embodiment relates to a kind of compound method of chlorine dioxide deodorant, comprises the following steps:
Step one, gets the raw materials ready according to following percentage by weight: sodium chlorite 30%, citric acid 15%, niter cake 20%, magnesium sulfate 25%, phosphatase 11 0%;
Step 2, adds in reactor in above-mentioned raw materials ratio by sodium chlorite, citric acid and niter cake, and stirring at normal temperature reacts 20 minutes;
Magnesium sulfate, phosphoric acid two kinds of raw materials to be joined in the solution that step 2 obtains in above-mentioned raw materials ratio by step 3, and then stirring reaction 1 hour under temperature 38 DEG C of conditions, obtains chlorine dioxide deodorant.
Comparative example 1
This comparative example relates to a kind of preparation of disinfection agent of chlorine dioxide, comprises the following steps:
Step one, gets the raw materials ready according to following percentage by weight: sodium chlorite 21%, citric acid 17%, niter cake 13%, magnesium sulfate 23%, phosphate 26%;
Step 2, adds in reactor in above-mentioned raw materials ratio by sodium chlorite, citric acid and niter cake, and stirring at normal temperature reacts 22 minutes;
Step 3, magnesium sulfate, phosphate two kinds of raw materials are joined in the solution of step 2 acquisition in above-mentioned raw materials ratio, then, stirring at normal temperature reacts 23 minutes, obtains chlorine dioxide deodorant finished product.
Comparative example 2
Step one, gets the raw materials ready according to following percentage by weight: sodium chlorite 15%, citric acid 20%, niter cake 10%, magnesium sulfate 30%, phosphate 25%;
Step 2, adds in reactor in above-mentioned raw materials ratio by sodium chlorite, citric acid and niter cake, and stirring at normal temperature reacts 25 minutes;
Step 3, magnesium sulfate, phosphate two kinds of raw materials are joined in the solution of step 2 acquisition in above-mentioned raw materials ratio, then, stirring at normal temperature reacts 25 minutes, obtains chlorine dioxide deodorant finished product.
Comparative example 3
Step one, gets the raw materials ready according to following percentage by weight: sodium chlorite 30%, citric acid 15%, niter cake 20%, magnesium sulfate 25%, phosphate 10%;
Step 2, adds in reactor in above-mentioned raw materials ratio by sodium chlorite, citric acid and niter cake, and stirring at normal temperature reacts 20 minutes;
Step 3, magnesium sulfate, phosphate two kinds of raw materials are joined in the solution of step 2 acquisition in above-mentioned raw materials ratio, then, stirring at normal temperature reacts 20 minutes, obtains chlorine dioxide deodorant finished product.
Testing result
Implement above-described embodiment 1-3 and comparative example 1-3 (disclosed in comparative example reference CN102197824A, scheme is carried out) respectively, and use chlorine dioxide detector (production of Nanjing eight ring Electronics Co., Ltd.) to detect the mass content of the chlorine dioxide in each embodiment and comparative example acquisition sample respectively, each embodiment and comparative example duplicate detection five times, get its mean value to add up, acquired results is as shown in table 1 below.
The result of table 1 embodiment 1-3 and comparative example 1-3
From upper table 1, the mass content of the chlorine dioxide in comparative example 1-3 is all about 35%, and the mass content of chlorine dioxide in embodiments of the invention 1-3 is all more than 45%, the amplification of content reaches 33-46%, effect is beyond expectation, main distinction point due to comparative example 1-3 and embodiment 1-3 be the difference of phosphate and phosphoric acid, final step reaction temperature different with the reaction time, illustrate that choice for use phosphoric acid of the present invention and last reaction temperature and reaction time improve the chlorine dioxide content in product and there is vital impact.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (4)
1. a compound method for chlorine dioxide deodorant, is characterized in that, comprises the following steps:
Step one, gets the raw materials ready according to following percentage by weight: the phosphoric acid of sodium chlorite 15%-30%, citric acid 15%-20%, niter cake 10%-20%, magnesium sulfate 25%-30%, surplus;
Step 2, adds in reactor in above-mentioned raw materials ratio by sodium chlorite, citric acid and niter cake, stirring at normal temperature reaction 20-25 minute;
Step 3, magnesium sulfate, phosphoric acid two kinds of raw materials are joined in the solution of step 2 acquisition in above-mentioned raw materials ratio, then stirring reaction 1-5.5 hour under temperature 33-38 DEG C of condition, obtains chlorine dioxide deodorant.
2. compound method as claimed in claim 1, it is characterized in that, in step one, the percentage by weight of each raw material is: sodium chlorite 21%, citric acid 17%, niter cake 13%, magnesium sulfate 23%, phosphoric acid 26%.
3. compound method as claimed in claim 1, it is characterized in that, in step 3, the temperature of stirring reaction is 36 DEG C.
4. compound method as claimed in claim 1, it is characterized in that, in step 3, the time of stirring reaction is 2.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510088588.5A CN104719334A (en) | 2015-02-26 | 2015-02-26 | Preparation method of chlorine dioxide deodorant |
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| CN201510088588.5A CN104719334A (en) | 2015-02-26 | 2015-02-26 | Preparation method of chlorine dioxide deodorant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108323528A (en) * | 2018-01-17 | 2018-07-27 | 广东通朗环保科技有限公司 | A kind of deodorant and preparation method thereof |
| WO2022075451A1 (en) * | 2020-10-09 | 2022-04-14 | 株式会社エースネット | Antipathogenic drug, antibacterial agent, antiviral agent, pathogen processing device, method for producing antipathogenic drug, antibacterial method, virus inactivation method, and pathogen processing method |
| CN114868741A (en) * | 2022-05-24 | 2022-08-09 | 陈安平 | Slow-release chlorine dioxide sterilizing and deodorizing liquid and preparation method thereof |
-
2015
- 2015-02-26 CN CN201510088588.5A patent/CN104719334A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108323528A (en) * | 2018-01-17 | 2018-07-27 | 广东通朗环保科技有限公司 | A kind of deodorant and preparation method thereof |
| WO2022075451A1 (en) * | 2020-10-09 | 2022-04-14 | 株式会社エースネット | Antipathogenic drug, antibacterial agent, antiviral agent, pathogen processing device, method for producing antipathogenic drug, antibacterial method, virus inactivation method, and pathogen processing method |
| CN114868741A (en) * | 2022-05-24 | 2022-08-09 | 陈安平 | Slow-release chlorine dioxide sterilizing and deodorizing liquid and preparation method thereof |
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