CN107739327A - A kind of method for preparing peroxyacetic acid disinfectant - Google Patents

A kind of method for preparing peroxyacetic acid disinfectant Download PDF

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Publication number
CN107739327A
CN107739327A CN201710951980.7A CN201710951980A CN107739327A CN 107739327 A CN107739327 A CN 107739327A CN 201710951980 A CN201710951980 A CN 201710951980A CN 107739327 A CN107739327 A CN 107739327A
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China
Prior art keywords
acid
attapulgite
catalyst
disinfectant
glacial acetic
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CN201710951980.7A
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Chinese (zh)
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余定华
李霜
胡燚
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Xinyi Ke Ke Ke Biological Technology Co Ltd
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Xinyi Ke Ke Ke Biological Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C407/00Preparation of peroxy compounds
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/16Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group; Thio analogues thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Inorganic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses a kind of method for preparing peroxyacetic acid disinfectant, and using glacial acetic acid and hydrogen peroxide as raw material, it is catalyst that attapulgite, which strengthens polystyrene resin solid acid, and peroxyacetic acid disinfectant is directly prepared by solid super acid reaction.Peracetic acid heterogeneous catalysis new technology disclosed in this invention, the peroxyacetic acid disinfectant produced with the method is free of the concentrated sulfuric acid, realize that Peracetic acid high concentration produces in factory's centralization, eliminate potential safety hazard during traditional mode of production stores, and product is corrosion-free to material surface using process, it is that one kind meets that peroxyacetic acid disinfectant industrializes demand, the very strong new method of practicality.

Description

A kind of method for preparing peroxyacetic acid disinfectant
Technical field
The invention belongs to chemical field, is related to a kind of method for preparing peroxyacetic acid disinfectant, specifically strong with attapulgite It is catalyst to change polystyrene resin solid acid, uses glacial acetic acid and aqueous hydrogen peroxide solution as raw material, and solid super acid obtains The method of peroxyacetic acid disinfectant
Background technology
Peracetic acid as a kind of wide spectrum, efficient, quick-acting, the nontoxic noresidue of catabolite environment-friendlydisinfectant disinfectant, There is killing action to various microorganisms, including fungi, bacterium, gemma and virus, its liquids and gases all has very strong kill Bacterium ability, it is relatively low plus price, therefore it is widely used in the sterilization of the industries such as food, medicine, medicine equipment.
In recent years, Peracetic acid achieves larger hair in terms of China's food processing machinery and medical apparatus sterilizing sterilization Exhibition.Peroxyacetic acid disinfectant is limited in food processing machinery and medical apparatus sterilizing, a major reason of germicidal applications, be by There is stronger corrosivity in Peracetic acid, so as to limit its further genralrlization and application.And traditional peracetic acid disinfectant Agent is produced using the concentrated sulfuric acid as catalyst, and the concentrated sulfuric acid of residual not only causes the corrosion of sterilisation purpose thing, and due to remaining in production The concentrated sulfuric acid in product system can be catalyzed the synthesis and decomposition reaction of Peracetic acid, result in product storage and easily sent out with transportation The accidents such as raw leakage blast.
Disclosed in patent 201410216038.2 it is a kind of using acid cation exchange resin or perfluorinated sulfonic resin or Immobilized sulfuric acid is catalyst, the method for being continuously synthesizing to Peracetic acid.But immobilized sulfuric acid is there is being easy to run off inactivating, the sulphur of loss Acid group enters Peracetic acid product, no fundamentally to solve the problems, such as that sulfuric acid is brought.Cationic ion-exchange resin or perfluorinated sulfonic acid Easily swelling inactivates resin under the strong oxidizing property environment of Peracetic acid building-up process.
Strengthen sulfonated polystyrene ion exchange resin solid acid catalyst the invention discloses a kind of attapulgite and be used for Peracetic acid Synthesis technique, using batch reaction or the continuous synthesis technique of fixed bed, fundamentally solves resin catalyst in strong oxidizing property The problems such as stability, immobilized sulfuric acid under environment are easily lost in.
The content of the invention
The technical problem to be solved in the invention is, in prior synthesizing method system, concentrated sulfuric acid residual, and cation exchange Resin or perfluorinated sulfonic resin easily swelling etc..
In order to solve the technical problem, the invention provides a kind of method for preparing peroxyacetic acid disinfectant.This method with It is catalyst that attapulgite, which strengthens sulfonated polystyrene ion exchange resin solid acid, uses glacial acetic acid and aqueous hydrogen peroxide solution as material liquid Solid catalysis obtains peroxyacetic acid disinfectant.
Attapulgite of the present invention, which strengthens sulfonated polystyrene ion exchange resin solid acid catalyst, to be changed with silane coupler Property attapulgite be stabilizer, pass through Pickering emulsion polymerisation process obtain attapulgite strengthen polystyrene resin Microballoon, under the sulfonation of the concentrated sulfuric acid, obtain attapulgite and strengthen sulfonated polystyrene ion exchange resin solid acid catalyst.
Specifically, the present invention program is:
A kind of method for preparing peroxyacetic acid disinfectant, using glacial acetic acid and hydrogenperoxide steam generator as raw material, pass through fixed bed Flow reactor, heterogeneous catalysis prepare peroxyacetic acid disinfectant, wherein, the catalyst that this method uses is that attapulgite strengthens sulphur Change polystyrene resin solid acid, carried out in a manner of continuous fixed bed reaction or continuous.
Method of the present invention, wherein, the continuous fixed bed reaction or continuous mode comprises the following steps:
Attapulgite is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst and loads fixed bed reactors, beds It is incubated in 30-70 degree, preferably 40-60 degree, reactant glacial acetic acid and aqueous hydrogen peroxide solution is injected into reactor with constant speed, passed through Adjust flow velocity so that the reaction time of described glacial acetic acid and the mixed solution of hydrogen peroxide in fixed bed reactors is 1- 10h, the product that reactor outlet is collected is peroxyacetic acid disinfectant product.
Method of the present invention, wherein, the aqueous hydrogen peroxide solution concentration is 30-50%.
Method of the present invention, wherein, the volume flow rate ratio of glacial acetic acid and hydrogen peroxide is 1:1-1:5.
A kind of method for preparing peroxyacetic acid disinfectant, it is anti-by autoclave using glacial acetic acid and hydrogenperoxide steam generator as raw material Device is answered, heterogeneous catalysis prepares peroxyacetic acid disinfectant, wherein, the catalyst that this method uses is that attapulgite strengthens sulfonated polyphenyl Vinyl solid acid, carried out with batch reactive mode.
Method of the present invention, wherein, the addition of catalyst for total reactant quality than 2-10%.
Method of the present invention, wherein, the time of the batch reaction is 2-24h.
Attapulgite of the present invention strengthens sulfonated polystyrene ion exchange resin solid acid, and its preparation method is, even with silane It is stabilizer to join the attapulgite that agent is modified, and the polyphenyl second of attapulgite reinforcing is obtained by Pickering emulsion polymerisation process Olefine resin microballoon, under the sulfonation of the concentrated sulfuric acid, obtain attapulgite and strengthen sulfonated polystyrene ion exchange resin solid acid catalyst.
In a currently preferred embodiment,
It is tubular fixed-bed anti-that the attapulgite of 30-50 mesh is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst 2g loadings The constant temperature zone of device is answered, remainder is filled with quartz sand.It is 3h in volume space velocity-1Nitrogen flow rate under by beds constant temperature It is then that 30% aqueous hydrogen peroxide solution is injected separately into system with glacial acetic acid by constant flow pump by concentration to 40 degree, glacial acetic acid Mass space velocity is 1.2h-1, the mass space velocity of hydrogen peroxide is 0.8h-1, reaction mass enters after being mixed by three-way connection to react Device, reacted mixture are collected.
The beneficial effects of the present invention are:By screening, obtain and strengthen sulfonated polyphenyl second for the attapulgite of catalysis Olefine resin solid acid catalyst.
The catalyst effect is preferable, the sulfonation strengthened at concentrations up to 25% using inorganic nano material of Peracetic acid Polystyrene resin catalyst, traditional concentrated sulfuric acid catalyst can be substituted so that residual without the concentrated sulfuric acid in peroxide ethylene sterilization agent Stay, not only eliminate potential safety hazard in peroxyacetic acid disinfectant product storage and transportation process, and eliminate traditional Peracetic acid Severe corrosive during disinfectant use, so as to so that peroxyacetic acid disinfectant is applied to more wide field.
Meanwhile the catalyst belongs to heterogeneous catalyst, after the completion of reaction, it can separate and reclaim from reaction system, can It is used for multiple times with circulation, obtains more superior economic benefit.The present invention strengthens sulfonated polystyrene ion exchange resin using attapulgite Solid acid is catalyst, and peroxyacetic acid disinfectant synthesis, and the technique are carried out as reactor using fixed bed or batch reactor Route is there is not yet document report.
Brief description of the drawings
The attapulgite of Fig. 1 embodiments 6 strengthens sulfonated polystyrene ion exchange resin solid acid catalyst cyclical stability.
Embodiment
Embodiment 1
It is tubular fixed-bed anti-that the attapulgite of 30-50 mesh is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst 2g loadings The constant temperature zone of device is answered, remainder is filled with quartz sand.It is 3h in volume space velocity-1Nitrogen flow rate under by beds constant temperature It is then that 30% aqueous hydrogen peroxide solution is injected separately into system with glacial acetic acid by constant flow pump by concentration to 40 degree, glacial acetic acid Mass space velocity is 1.2h-1, the mass space velocity of hydrogen peroxide is 0.8h-1, reaction mass enters after being mixed by three-way connection to react Device, reacted mixture are collected, and through concentration determination, peroxyacetic acid concentration can reach 20.85%.
Embodiment 2
It is tubular fixed-bed anti-that the attapulgite of 30-50 mesh is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst 2g loadings The constant temperature zone of device is answered, remainder is filled with quartz sand.It is 3h in volume space velocity-1Nitrogen flow rate under by beds constant temperature It is then that 30% aqueous hydrogen peroxide solution is injected separately into system with glacial acetic acid by constant flow pump by concentration to 60 degree, glacial acetic acid Mass space velocity is 2.0h-1, the mass space velocity of hydrogen peroxide is 1.5h-1, reaction mass enters after being mixed by three-way connection to react Device, reacted mixture are collected, and through concentration determination, peroxyacetic acid concentration can reach 19.63%.
Embodiment 3
It is tubular fixed-bed anti-that the attapulgite of 30-50 mesh is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst 2g loadings The constant temperature zone of device is answered, remainder is filled with quartz sand.It is 3h in volume space velocity-1Nitrogen flow rate under by beds constant temperature It is then that 50% aqueous hydrogen peroxide solution is injected separately into system with glacial acetic acid by constant flow pump by concentration to 60 degree, glacial acetic acid Mass space velocity is 5.0h-1, the mass space velocity of hydrogen peroxide is 3.0h-1, reaction mass enters after being mixed by three-way connection to react Device, reacted mixture are collected, and through concentration determination, peroxyacetic acid concentration can reach 22.76%.
Embodiment 4
The attapulgite of 30-50 mesh is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst 2g and loads round-bottomed flask, is added Enter glacial acetic acid 60ml, concentration is 30% aqueous hydrogen peroxide solution 40ml, and magnetic agitation is well mixed, and reaction is maintained under 40 degree Carry out, react catalyst filtration after terminating, produce Peracetic acid product, through concentration determination, react 24 hours, Peracetic acid is dense Degree can reach 19.48%.
Embodiment 5
The attapulgite of 30-50 mesh is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst 2g and loads round-bottomed flask, is added Enter glacial acetic acid 60ml, concentration is 50% aqueous hydrogen peroxide solution 40ml, and magnetic agitation is well mixed, and reaction is maintained under 60 degree Carry out, react catalyst filtration after terminating, produce Peracetic acid product, through concentration determination, react 24 hours, Peracetic acid is dense Degree can reach 25.37%.
Embodiment 6
The attapulgite of 30-50 mesh is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst 2g and loads round-bottomed flask, even It is continuous to carry out ten batch reactions, the recycling stability of catalyst is investigated, the reactant rate of charge per batch is as follows:Glacial acetic acid 60ml, concentration be 50% aqueous hydrogen peroxide solution 40ml, 40 degree of reaction temperature.As a result as shown in Figure 1, catalyst circulation ten Secondary, stable in catalytic performance, peroxyacetic acid concentration can maintain more than 24%.
The metal protection testing experiment of embodiment 7 is tested:
In the present embodiment, the equipment used is:
Sheet metal:Copper sheet, carbon steel coupon, aluminium flake, stainless steel substrates.
Assay balance:Sartorius GL124-2SCN.
Disinfectant:The high concentration unitary peroxyacetic acid disinfectant obtained with embodiment in the present invention 1.
Experimental method is as follows:
Test basis:The Ministry of Public Health《Disinfection technology standard》(2002 editions) 2.2.4 metal protections determine
Test condition:25 DEG C of environment temperature, relative humidity 50%
It is that Peracetic acid content is 2000mg/L dilutions to test decontaminant concentration.
Disinfectant is as shown in table 1 to corrosion of metal degree result.
The disinfectant of table 1 is to corrosion of metal degree
According to result it can be seen that:The present invention high concentration unitary peroxyacetic acid disinfectant Peracetic acid content be 2000mg/L dilution is to carbon steel coupon, aluminium flake moderate corrosion, to copper sheet mild corrosion, to stainless steel no corrosion.

Claims (9)

1. a kind of method for preparing peroxyacetic acid disinfectant, using glacial acetic acid and hydrogenperoxide steam generator as raw material, connected by fixed bed Continuous reactor, heterogeneous catalysis prepare peroxyacetic acid disinfectant, it is characterised in that the catalyst that this method uses is that attapulgite is strong Change sulfonated polystyrene ion exchange resin solid acid, carried out in a manner of continuous fixed bed reaction or continuous.
2. according to the method for claim 1, it is characterised in that the continuous fixed bed reaction or continuous mode comprises the following steps:
Attapulgite is strengthened into sulfonated polystyrene ion exchange resin solid acid catalyst and loads fixed bed reactors, beds insulation In 40-60 degree, reactant glacial acetic acid and aqueous hydrogen peroxide solution are injected into reactor with constant speed, by adjusting flow velocity so that institute Reaction time of the glacial acetic acid and the mixed solution of hydrogen peroxide stated in fixed bed reactors is 1-10h, and reactor outlet is received The product of collection is peroxyacetic acid disinfectant product.
3. according to the method for claim 2, it is characterised in that the aqueous hydrogen peroxide solution concentration is 30-50%.
4. according to the method for claim 2, it is characterised in that the volume flow rate ratio of glacial acetic acid and hydrogen peroxide is 1:1-1:5.
5. a kind of method for preparing peroxyacetic acid disinfectant, using glacial acetic acid and hydrogenperoxide steam generator as raw material, pass through still reaction Device, heterogeneous catalysis prepare peroxyacetic acid disinfectant, it is characterised in that the catalyst that this method uses is that attapulgite strengthens sulfonation Polystyrene resin solid acid, carried out with batch reactive mode.
6. according to the method for claim 5, it is characterised in that the addition of catalyst be total reactant quality than 2- 10%。
7. according to the method for claim 5, it is characterised in that the time of the batch reaction is 2-24h.
8. the attapulgite described in any of the above-described method strengthens sulfonated polystyrene ion exchange resin solid acid, it is characterised in that it is prepared Method is, using silane coupler modified attapulgite as stabilizer, concave convex rod is obtained by Pickering emulsion polymerisation process The polystyrene resin microballoon that soil is strengthened, under the sulfonation of the concentrated sulfuric acid, obtain attapulgite and strengthen sulfonated polystyrene tree Fat solid acid catalyst.
9. the attapulgite described in any of the above-described method strengthens sulfonated polystyrene ion exchange resin solid acid catalyst, it is characterised in that Its granule size is 30-50 mesh.
CN201710951980.7A 2017-10-13 2017-10-13 A kind of method for preparing peroxyacetic acid disinfectant Pending CN107739327A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020028657A1 (en) * 2018-08-02 2020-02-06 Evonik Corporation Stabilized peroxyacid solutions
CN114409582A (en) * 2022-02-23 2022-04-29 兰州助剂厂有限责任公司 Method for preparing peroxyacetic acid and improving stability of peroxyacetic acid by adopting heterogeneous catalyst

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CN106824283A (en) * 2017-01-16 2017-06-13 南京工业大学 A kind of attapulgite reinforced resin solid acid catalyst and preparation method thereof

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020028657A1 (en) * 2018-08-02 2020-02-06 Evonik Corporation Stabilized peroxyacid solutions
CN112512320A (en) * 2018-08-02 2021-03-16 赢创有限公司 Stabilized peroxyacid solutions
CN112512320B (en) * 2018-08-02 2022-07-08 赢创有限公司 Stabilized peroxyacid solutions
US11779013B2 (en) 2018-08-02 2023-10-10 Evonik Corporation Stabilized peroxyacid solutions
CN114409582A (en) * 2022-02-23 2022-04-29 兰州助剂厂有限责任公司 Method for preparing peroxyacetic acid and improving stability of peroxyacetic acid by adopting heterogeneous catalyst
CN114409582B (en) * 2022-02-23 2024-05-14 兰州助剂厂股份有限公司 Method for preparing peroxyacetic acid by heterogeneous catalyst and improving stability of peroxyacetic acid

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Application publication date: 20180227