CN101366392A - Single-component solid chlorine dioxide sanitizer and preparation method thereof - Google Patents
Single-component solid chlorine dioxide sanitizer and preparation method thereof Download PDFInfo
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- CN101366392A CN101366392A CNA2007100355723A CN200710035572A CN101366392A CN 101366392 A CN101366392 A CN 101366392A CN A2007100355723 A CNA2007100355723 A CN A2007100355723A CN 200710035572 A CN200710035572 A CN 200710035572A CN 101366392 A CN101366392 A CN 101366392A
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Abstract
The invention provides a single-component solid chlorine dioxide disinfector and a preparation method thereof. The single-component solid chlorine dioxide disinfector comprises the components: sodium chlorite, tartaric acid, sodium tartrate, sodium chloride and sodium percarbonate. The preparation method is as follows: the tartaric acid, the sodium tartrate, the sodium chloride and the sodium percarbonate are dried respectively; the sodium chlorite is mixed evenly with the dried sodium tartrate, the sodium chloride and the sodium percarbonate; finally, the dried tartaric acid is added into the mixture to be mixed evenly; and the processes of inspection, weighing and packing are performed. The product has the content of the chlorine dioxide more than or equal to 8 percent, the sodium chlorite rate of conversion more than 90 percent, good stability, safety, more than two years of the storage period and long effective service life.
Description
Technical field
The invention belongs to the antibiosis and sterilization agent technical field, have and relate to a kind of improved solid chlorine dioxide disinfectant and preparation method thereof.
Background technology
Chlorine dioxide is the of new generation desirable disinfectant of a kind of internationally recognized efficient, wide spectrum, noresidue, owing to do not produce carcinogenic, teratogenesis, mutagenic effect, in recent years, obtains extensive studies and application in countries in the world.
At present, the technology of producing solid chlorine dioxide disinfectant is come the acidifying sodium chlorite with solid acid mostly.But sodium chlorite very easily reacts with solid acid, discharges chlorine dioxide immediately.So the solid chlorine dioxide disinfectant that uses is that sodium chlorite and solid acidifier are separated packing mostly at present, this manner of packing, in use very inconvenience.
CN1439268, CN1 104610A disclose two kinds of solid chlorine dioxide disinfectants of doing clad material with organic matter.This passivation means, not only complex process, cost height, but also can cause secondary pollution, be difficult to promote.CN1238130A is to use the chloride of alkali metal or alkaline earth metal to make passivator, utilizes its water imbibition to reach dry purpose.This passivation means because the passivator water imbibition is strong, cause the disinfectant instability, and the holding time is short, particularly one opens bag, lose efficacy soon.
Relevant patent adopts sodium tartrate to make passivator, and the stability of product, safety are significantly improved, but also not very good.The aqueous solution that the single-component solid chlorine dioxide sanitizer that adopts this method to produce is prepared, less stable.
Summary of the invention
Technical problem to be solved by this invention is: solve the problem that above-mentioned prior art exists, and provide a kind of single-component solid chlorine dioxide sanitizer and preparation method thereof, strengthen the stability of the solid chlorine dioxide disinfectant aqueous solution, prolong the service time of aqueous solution of chlorine dioxide; Preparation technology is easy, and product is more stable, transportation, stores saferly, and the aqueous solution of chlorine dioxide effective life of preparation is longer.
The technical solution used in the present invention is: this single-component solid chlorine dioxide sanitizer is prepared from by weight by following component:
Active ingredient: 14-18 parts of sodium chlorites;
Activator and stabilizing agent under solid conditions in the aqueous solution: 26-32 parts in tartaric acid;
Passivator: 22-26 parts of sodium tartrates;
Catalyzer: 4-10 parts in sodium chloride;
Absorb stabilizing agent: 4-6 parts of SODIUM PERCARBONATE.
The preparation method of this single-component solid chlorine dioxide sanitizer is:
(1) each component is weighed in proportion, and respectively tartaric acid, sodium tartrate, sodium chloride, SODIUM PERCARBONATE are put into baker respectively, under 50～140 ℃ of temperature, dried 60～150 minutes;
(2) sodium tartrate, sodium chloride, SODIUM PERCARBONATE and the sodium chlorite after will drying stirs 20-40 minute until mixing in the agitator of sealing;
(3) in above-mentioned agitator, add tartaric acid, continue to stir 20-40 minute until mixing;
(4) examination and test of products, weigh and pack.
Product of the present invention adopts the test of HJ/T257-2006 appendix B national standard, and its chlorine dioxide content and stability are as follows:
(1) chlorine dioxide content of product 〉=8.0%
(2) conversion ratio of sodium chlorite〉90%
(3) good stability of products.
The solid state of product is a white powder
Single-component solid chlorine dioxide sanitizer of the present invention is by the active ingredient sodium chlorite being coated or the passivation means make sodium chlorite and solid acid with putting a place and do not react, and mixes the generation chlorine dioxide during use with water.The present invention is skillfully constructed, and preparation technology is simple, efficient, wide spectrum, environmental protection, noresidue.
Because this product has been selected unique activator and passivator for use, thereby has improved the stability and the safety of product, has prolonged the service time of aqueous solution of chlorine dioxide.
This product is in storage, transportation, if active ingredient sodium chlorite and activator tartaric acid generation chemical reaction produce chlorine dioxide, then meanwhile, being accompanied by also has another product, the generation of passivator sodium tartrate.Sodium tartrate passivator suppresses the formation of chlorine dioxide conversely, thereby has further improved the stability and the safety of product, and the storage life can be above 2 years.
In the aqueous solution, the passivation of sodium tartrate loses substantially, because the adding of catalyzer sodium chloride, thereby to the not tangible influence of the conversion of active component sodium chlorite.
This product liquid state is the transparent yellow green solution.
Utilize the solution of this product preparation very stable.
This product adopts new GB HJ/T257-2006 appendix B test of formulating, and chlorine dioxide content is the aqueous solution of 2281mg/L, pH value 3.05, under the condition of 26-33 ℃ of room temperatures, place after 24 hours, concentration is 2001mg/L, and the decline rate of its concentration is 0.51%/h; The aqueous solution of several commercially available single-component solid chlorine dioxide sanitizers preparations under the same conditions, the decline rate 〉=1.0%/h of its concentration.
Embodiment:
(1) takes by weighing following material by weight proportion
1. sodium chlorite 14g
2. SODIUM PERCARBONATE 4g
3. sodium tartrate 22g
4. sodium chloride 4g
5. tartaric acid 26g
(2), will 2., 3., 4., 5. put into baker in above-mentioned (1), under 50 ℃ or 90 ℃ or 140 ℃, dried 100 minutes;
(3), with in above-mentioned (1) 1. with above-mentioned (2) in 2., 3., 4. in airtight agitator, stirred 30 minutes mixing;
(4), with 5. adding in the airtight agitator in above-mentioned (2), continue to stir 30 minutes, become product;
(5), with the examination and test of products, weigh, subpackage, sealing.
The method of inspection:
The method of inspection of chlorine dioxide concentration, suggestion adopt HJ/T257-2006 appendix B, and the method is more accurate.If adopt its assay of HG/T2777-1996, not merely chlorine dioxide content, also comprise the still unconverted chlorite (ClO of sodium chlorite
2 -) content, so cause assay seriously higher, thereby some patents report, the conversion ratio of sodium chlorite〉99% unfounded.
The basic difference of two kinds of methods, the former, in titration process, the PH of titrated solution is 3-4.And latter PH＜1.2, under the condition of this PH, ClO
2 -Also be included into measurement range, therefore, assay is seriously higher.
Claims (2)
1. a single-component solid chlorine dioxide sanitizer is characterized in that following component is prepared from by weight: active ingredient: 14-18 parts of sodium chlorites; Activator and stabilizing agent under solid conditions in the aqueous solution: 26-32 parts in tartaric acid; Passivator: 22-26 parts of sodium tartrates; Catalyzer: 4-10 parts in sodium chloride; Absorb stabilizing agent: 4-6 parts of SODIUM PERCARBONATE.
2. the preparation method of single-component solid chlorine dioxide sanitizer according to claim 1 is:
(1) each component is weighed in proportion, and respectively tartaric acid, sodium tartrate, sodium chloride, SODIUM PERCARBONATE are put into baker respectively, under 50～140 ℃ of temperature, dried 60～150 minutes;
(2) sodium tartrate, sodium chloride, SODIUM PERCARBONATE and the sodium chlorite after will drying stirs 20-40 minute until mixing in the agitator of sealing;
(3) in above-mentioned agitator, add tartaric acid, continue to stir 20-40 minute until mixing;
(4) examination and test of products, weigh and pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100355723A CN101366392A (en) | 2007-08-17 | 2007-08-17 | Single-component solid chlorine dioxide sanitizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100355723A CN101366392A (en) | 2007-08-17 | 2007-08-17 | Single-component solid chlorine dioxide sanitizer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101366392A true CN101366392A (en) | 2009-02-18 |
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| CNA2007100355723A Pending CN101366392A (en) | 2007-08-17 | 2007-08-17 | Single-component solid chlorine dioxide sanitizer and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283247A (en) * | 2011-07-23 | 2011-12-21 | 中国农业科学院兰州畜牧与兽药研究所 | Veterinary disinfection powder and preparation method thereof |
| CN102860323A (en) * | 2011-07-07 | 2013-01-09 | 万绪山 | Sterilization and disinfection aerosol for food related field and production process thereof |
| CN103070192A (en) * | 2012-12-28 | 2013-05-01 | 青岛大学 | Oxygen-increasing type solid stabilized chlorine dioxide, and preparation method and application thereof |
| US8992831B2 (en) | 2009-09-25 | 2015-03-31 | E. I. Du Pont De Nemours And Company | Stabilized chlorine dioxide to preserve carbohydrate feedstocks |
| CN105165891A (en) * | 2015-09-22 | 2015-12-23 | 上海普吉生物科技有限公司 | Chlorine dioxide tablet disinfector and preparing method thereof |
| CN109287657A (en) * | 2017-07-25 | 2019-02-01 | 李玮 | A kind of disinfectant and preparation method for articles for washing bacteriostasis, and deodorization |
| CN110150315A (en) * | 2019-05-17 | 2019-08-23 | 四川蓝洁绿源环保科技有限公司 | A kind of solid high-pure chlorinedioxide releasing agent |
-
2007
- 2007-08-17 CN CNA2007100355723A patent/CN101366392A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8992831B2 (en) | 2009-09-25 | 2015-03-31 | E. I. Du Pont De Nemours And Company | Stabilized chlorine dioxide to preserve carbohydrate feedstocks |
| US9504710B2 (en) | 2009-09-25 | 2016-11-29 | E I Du Pont De Nemours And Company | Stabilized chlorine dioxide to preserve carbohydrate feedstocks |
| CN102860323A (en) * | 2011-07-07 | 2013-01-09 | 万绪山 | Sterilization and disinfection aerosol for food related field and production process thereof |
| CN102283247A (en) * | 2011-07-23 | 2011-12-21 | 中国农业科学院兰州畜牧与兽药研究所 | Veterinary disinfection powder and preparation method thereof |
| CN103070192A (en) * | 2012-12-28 | 2013-05-01 | 青岛大学 | Oxygen-increasing type solid stabilized chlorine dioxide, and preparation method and application thereof |
| CN105165891A (en) * | 2015-09-22 | 2015-12-23 | 上海普吉生物科技有限公司 | Chlorine dioxide tablet disinfector and preparing method thereof |
| CN109287657A (en) * | 2017-07-25 | 2019-02-01 | 李玮 | A kind of disinfectant and preparation method for articles for washing bacteriostasis, and deodorization |
| CN110150315A (en) * | 2019-05-17 | 2019-08-23 | 四川蓝洁绿源环保科技有限公司 | A kind of solid high-pure chlorinedioxide releasing agent |
| CN110150315B (en) * | 2019-05-17 | 2022-02-15 | 四川蓝洁绿源环保科技有限公司 | Solid high-purity chlorine dioxide releasing agent |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090218 |