CN106621168A - Low-temperature low-foam decontamination agent for dangerous chemical leakage and preparation method thereof - Google Patents
Low-temperature low-foam decontamination agent for dangerous chemical leakage and preparation method thereof Download PDFInfo
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- CN106621168A CN106621168A CN201611200531.0A CN201611200531A CN106621168A CN 106621168 A CN106621168 A CN 106621168A CN 201611200531 A CN201611200531 A CN 201611200531A CN 106621168 A CN106621168 A CN 106621168A
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- low temperature
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- decontaminant
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
- A62D3/36—Detoxification by using acid or alkaline reagents
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- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The invention relates to a low-temperature low-foam decontamination agent for dangerous chemical leakage and a preparation method thereof and belongs to the technical field of decontamination agent processing. The low-temperature low-foam decontamination agent for dangerous chemical leakage is composed of 40-90 parts of low-temperature neutralizer, 10-50 parts of low-temperature control agent, 1-10 parts of de-foaming bulking agent and 0.01-0.1 part of de-foaming surface active agent. The preparation method comprises the following steps: accurately weighting the formula materials in proportion and then mechanically mixing and uniformly stirring. The decontamination agent can effectively adsorb and neutralize the strong acid and alkali leaking chemicals under the condition of lower temperature and smaller foams, so as to achieve the purpose of on-site safe control on the chemical hazards.
Description
Technical field
The present invention relates to a kind of decontaminant and preparation method thereof, and in particular to a kind of low bubble Hazardous Chemical Substances leakage of low temperature is washed
Disappear agent, belongs to decontaminant processing technique field.
Background technology
Strong acid and strong base is widely used in school of industrial enterprise and laboratory etc., and promptly leakage also happens occasionally soda acid.
For support personnel's property safety, it is necessary to which rapid effectively control leakage further diffusion, the very first time reduces the danger of chemicals
Property, so as to dissolve chemical hazard.
For the risk that Hazardous Chemical Substances is revealed, at present for the leakage of strong acid and strong base, people can targetedly with neutralization
Principle dereaction, consumes corrosive compound.Such as strong acid leakage alkali, highly basic leakage acid.But in actual rescue site, so
Method but often produce serious secondary danger, the severe degree particularly reacted is easy to beyond intended scope.Such as gas
The fierce splash of bubble can cause the splashing of chemical substance, and the persistent accumulation of such as reaction temperature causes the bumping of localized liquid,
The personal safety of rescue personnel will be all directly influenced, secondary disaster is produced.
Therefore, research and development are a kind of can effectively adsorb and neutralize strong acid and highly basic at relatively low temperature and less bubble
Leakage is learned, and reaches the purpose that site safety controls chemical hazard.And the risk of rescue personnel on the scene can be mitigated, be very suitable for
The demand of contemporary society.
Chinese patent, application number：200810023167.4, a kind of chlorine gas decontaminant, open one kind is characterized in that by accounting for total matter
The organic reducing agent of amount 89.8～96%, 3～10% surfactants, 0.1～0.5% thickener polyvinyl alcohol and 0.1～
The chlorine gas decontaminant that 0.5% foam enhancing stabilizer DDAO is mixed to get.Application number：
201310245095.9, a kind of liquid ammonia elimination reagent and preparation method thereof, be characterized in that by organic acid, low alcohol, surfactant and
Water is prepared as follows：Low alcohol is dissolved in water, stir to obtain alcohol water mixed solution, then in alcohol water mixed solution
Middle addition organic acid and surfactant, stir to after being completely dissolved, and obtain final product liquid ammonia elimination reagent.Two above all discloses decontamination
The preparation method of agent, but work just for chlorine or ammonia, for strong acid and strong base effect and less, therefore exploitation one
Plant the low bubble Hazardous Chemical Substances decontaminant tool of low temperature to be of great significance.
The content of the invention
It is an object of the invention to provide a kind of low bubble Hazardous Chemical Substances decontaminant of low temperature, can be in relatively low temperature and less
Bubble under effectively absorption and neutralize strong acid and highly basic chemical leakage, and reach the purpose that site safety controls chemical hazard.
In order to realize the purpose of foregoing invention, the technical solution adopted in the present invention is：
A kind of low temperature is low to steep Hazardous Chemical Substances leakage decontaminant, is made up of the component of following weight portion：
Low temperature nertralizer 40-90 parts, low temperature controlling agent 10-50 parts, froth breaking raising agent 1-10 parts, defoaming surfactant
0.01-0.1 parts.
Described low temperature nertralizer is one or more the mixing in calcium carbonate, boric acid, aluminum oxide, sodium citrate
Thing.
Described low temperature controlling agent is the larger solid of gas-forming agent or dissolving and heat absorbing, and wherein gas-forming agent is carbonic acid
One or two mixture of hydrogen potassium, sodium acid carbonate；The solid of dissolving and heat absorbing be potassium chloride, sodium chloride one or two
Mixture.
Described froth breaking raising agent is one or more the mixing in quartz sand, neutral alumina, silica
Thing.
Described defoaming surfactant is the one kind or two in dimethicone, polyethers froth breaking, organic silicon modified by polyether
Plant the mixture of the above.
It is a further object to provide a kind of low temperature is low to steep the preparation method that Hazardous Chemical Substances leaks decontaminant, its
Preparation method is by low temperature nertralizer 40-90 parts, low temperature controlling agent 10-50 parts, froth breaking raising agent 1-10 parts, defoaming surfactant
Agent 0.01-0.1 parts precise in proportion, mechanical mixture stirs.
The present invention is relative to the beneficial effect of prior art：
The low bubble Hazardous Chemical Substances leakage decontaminant of low temperature prepared by the technology of the present invention, can be in relatively low temperature and less
Effectively adsorb under bubble and neutralize strong acid and highly basic chemical leakage, and reach the purpose that site safety controls chemical hazard.With list
Pure use strong acid alkali nertralizer is compared, and strong acid can effectively be adsorbed and be neutralized to the present invention at relatively low temperature and less bubble
With highly basic chemical leakage, and the purpose that site safety controls chemical hazard is reached, mitigate the risk of rescue personnel on the scene.
This product have passed through following experiment test：
Experimental technique：With this product as experimental subjects, respectively from 10ml hydrochloric acid solutions (37% percentage by weight) and
10ml sodium hydroxide solutions (1N) as neutralization object, reacted in 200 milliliters of beaker, at the same carry out maximum temperature and
The detection of largest air bubbles diameter.
Experiment one：
Control group：10ml hydrochloric acid solutions (37%) are directly neutralized with NaOH and sodium carbonate, maximum temperature is 90 Celsius
Degree, largest air bubbles are 30 millimeters.
Experimental group：With calcium carbonate 69.9%, sodium acid carbonate 20%, quartz sand 10%, the mixed configuration of dimethicone 0.1%
This product, act on same experiment.It is 60 degrees Celsius to measure 10ml hydrochloric acid solutions (37%) neutralization maximum temperature, most
Air pocket is 10 millimeters.
Experiment two：
Control group：10ml sodium hydroxide solutions (1N) are directly neutralized with 10% hydrochloric acid, maximum temperature is 90 degrees Celsius.It is maximum
Bubble diameter is 2 millimeters.
Experimental group：With aluminium hydroxide 40%, boric acid 47%, potassium chloride 5%, quartz sand 7.9%, dimethicone 0.1%
This product of mixed configuration, acts on same experiment.Measuring 10ml sodium hydroxide solutions (1N) neutralization maximum temperature is
55 degrees Celsius, largest air bubbles are 0.5 millimeter.
Specific embodiment
The present invention is described in further details below by embodiment, these embodiments are only used for illustrating the present invention, and
Do not limit the scope of the invention.
Embodiment 1
A kind of low temperature is low to steep Hazardous Chemical Substances leakage decontaminant, is made up of the component of following weight portion：
10 parts of calcium carbonate, 20 parts of boric acid, 9 parts of aluminum oxide, 1 part of sodium citrate, 10 parts of saleratus, 0.5 part of quartz sand,
0.5 part of neutral alumina, 0.01 part of dimethicone.
Above-mentioned formula precise in proportion, mechanical mixture are stirred.
Embodiment 2
A kind of low temperature is low to steep Hazardous Chemical Substances leakage decontaminant, is made up of the component of following weight portion：
30 parts of calcium carbonate, 30 parts of boric acid, 30 parts of aluminum oxide, 50 parts of sodium acid carbonates, 6 parts of quartz sand, 4 parts of neutral aluminas,
0.05 part of polyethers froth breaking, 0.05 part of organic silicon modified by polyether.
Above-mentioned formula precise in proportion, mechanical mixture are stirred.
Embodiment 3
A kind of low temperature is low to steep Hazardous Chemical Substances leakage decontaminant, is made up of the component of following weight portion：
20 parts of calcium carbonate, 14 parts of boric acid, 26 parts of sodium citrates, 30 parts of potassium chloride, 14 parts of quartz sand, 2 parts of neutral aluminas,
3 parts of silica, 0.03 part of dimethicone, 0.02 part of polyethers froth breaking.
Above-mentioned formula precise in proportion, mechanical mixture are stirred.
Embodiment 4
A kind of low temperature is low to steep Hazardous Chemical Substances leakage decontaminant, is made up of the component of following weight portion：
25 parts of calcium carbonate, 26 parts of boric acid, 22 parts of potassium chloride, 8 parts of quartz, 0.04 part of dimethicone.
Above-mentioned formula precise in proportion, mechanical mixture are stirred.
Embodiment 5
A kind of low temperature is low to steep Hazardous Chemical Substances leakage decontaminant, is made up of the component of following weight portion：
30 parts of calcium carbonate, 10 parts of boric acid, 30 parts of aluminum oxide, 10 parts of sodium citrates, 30 parts of saleratus, 2 parts of quartz sand, 5
Part neutral alumina, 0.07 part of polyethers froth breaking.
Above-mentioned formula precise in proportion, mechanical mixture are stirred.
Claims (6)
1. a kind of low bubble Hazardous Chemical Substances of low temperature leaks decontaminant, it is characterised in that be made up of the component of following weight portion：
Low temperature nertralizer 40-90 parts, low temperature controlling agent 10-50 parts, froth breaking raising agent 1-10 parts, defoaming surfactant 0.01-
0.1 part.
2. a kind of low bubble Hazardous Chemical Substances of low temperature according to claim 1 leaks decontaminant, it is characterised in that：Described is low
Warm nertralizer is one or more the mixture in calcium carbonate, boric acid, aluminum oxide, sodium citrate.
3. a kind of low bubble Hazardous Chemical Substances of low temperature according to claim 1 leaks decontaminant, it is characterised in that：Described is low
Temperature control preparation is the larger solid of gas-forming agent or dissolving and heat absorbing, and wherein gas-forming agent is saleratus, sodium acid carbonate
One or two mixture；The solid of dissolving and heat absorbing is potassium chloride, one or two mixture of sodium chloride.
4. a kind of low bubble Hazardous Chemical Substances of low temperature according to claim 1 leaks decontaminant, it is characterised in that：Described disappears
Bubble raising agent is one or more the mixture in quartz sand, neutral alumina, silica.
5. a kind of low bubble Hazardous Chemical Substances of low temperature according to claim 1 leaks decontaminant, it is characterised in that：Described disappears
Foam surfactants are one or more the mixture in dimethicone, polyethers froth breaking, organic silicon modified by polyether.
6. a kind of low bubble Hazardous Chemical Substances of low temperature leaks the preparation method of decontaminant, it is characterised in that：Its preparation method is will be low
Warm nertralizer 40-90 parts, low temperature controlling agent 10-50 parts, froth breaking raising agent 1-10 parts, defoaming surfactant 0.01-0.1 parts are pressed
Ratio precise, mechanical mixture stirs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200531.0A CN106621168A (en) | 2016-12-22 | 2016-12-22 | Low-temperature low-foam decontamination agent for dangerous chemical leakage and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200531.0A CN106621168A (en) | 2016-12-22 | 2016-12-22 | Low-temperature low-foam decontamination agent for dangerous chemical leakage and preparation method thereof |
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| CN106621168A true CN106621168A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611200531.0A Pending CN106621168A (en) | 2016-12-22 | 2016-12-22 | Low-temperature low-foam decontamination agent for dangerous chemical leakage and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507947A (en) * | 2019-09-02 | 2019-11-29 | 中国人民警察大学 | A kind of chelating type metallic salt organic liquid harmful influence leakage treatment agent |
| CN112337031A (en) * | 2020-10-22 | 2021-02-09 | 中国人民警察大学 | Decontamination agent for rapid emergency treatment of organic strong acid hazardous chemical leakage accident site and application equipment thereof |
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| CN101648108B (en) * | 2009-09-21 | 2013-01-23 | 中国石油化工股份有限公司 | Hydrogen sulfide gas leakage scavenger |
| CN102989115A (en) * | 2012-11-05 | 2013-03-27 | 总装备部工程设计研究总院 | Alkaline powder for treating leaked nitric acid and volatile toxic gases of nitric acid and production method of alkaline powder |
| CN102989114A (en) * | 2012-11-05 | 2013-03-27 | 总装备部工程设计研究总院 | Alkaline powder for treating leaked sulfuric acid and preparation method of alkaline powder |
| CN102989113A (en) * | 2012-11-05 | 2013-03-27 | 总装备部工程设计研究总院 | Alkaline powder for treating leaked hydrochloric acid and acid mist thereof and preparation method of alkaline powder |
| CN103285551A (en) * | 2013-06-20 | 2013-09-11 | 中国科学技术大学 | Liquid ammonia elimination reagent and preparation method thereof |
| CN105396446A (en) * | 2015-10-15 | 2016-03-16 | 南京工业大学 | Composite inorganic salt ammonia gas decontaminant, and preparation method and application thereof |
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| CN102273451A (en) * | 2011-07-19 | 2011-12-14 | 广东环凯微生物科技有限公司 | Low-foaming flushing type glutaraldehyde disinfectant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110507947A (en) * | 2019-09-02 | 2019-11-29 | 中国人民警察大学 | A kind of chelating type metallic salt organic liquid harmful influence leakage treatment agent |
| CN112337031A (en) * | 2020-10-22 | 2021-02-09 | 中国人民警察大学 | Decontamination agent for rapid emergency treatment of organic strong acid hazardous chemical leakage accident site and application equipment thereof |
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Application publication date: 20170510 |
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