CN108014444A - A kind of flying dust chelating agent and preparation method thereof - Google Patents
A kind of flying dust chelating agent and preparation method thereof Download PDFInfo
- Publication number
- CN108014444A CN108014444A CN201810066663.1A CN201810066663A CN108014444A CN 108014444 A CN108014444 A CN 108014444A CN 201810066663 A CN201810066663 A CN 201810066663A CN 108014444 A CN108014444 A CN 108014444A
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- Prior art keywords
- chelating agent
- flying dust
- additive
- preparation
- acid sodium
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Classifications
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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
- A62D3/33—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
-
- 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
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/08—Toxic combustion residues, e.g. toxic substances contained in fly ash from waste incineration
-
- 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
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Processing Of Solid Wastes (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention provides a kind of flying dust chelating agent and preparation method thereof.Flying dust chelating agent includes following component：By weight percentage, 10%~20% 3 mercapto triazine trisodium, 3%~8% trithiocarbonic acid sodium, 2%~6%2,6 one diamides pyridine ethane thiols, 0.5%~1.5%1,3 one dibenzamide ethyl mercaptans, 0.2%~0.8% additive, 60%~80% water.The preparation method of flying dust chelating agent：Three mercapto triazine trisodiums, trithiocarbonic acid sodium, 2,6 one diamides pyridine ethane thiols, 1,3 one dibenzamide ethyl mercaptans are added to the water stirring, obtain mixed liquor；Add additive stirring.The advantages of preparation method very simple of the present invention, is organic sulfur class Compositional type chelating agent, it is big with molecular weight, and flocculating function is strong, and chelating heavy metal ability is strong；The additive of chelating agent is soluble starch, improves the sequestering power of chelating agent, reduces the toxicity of macromolecular heavy metal chelating agent so that modified product is readily biodegradable.
Description
Technical field
The present invention relates to environmentally friendly field of fine chemical, especially a kind of flying dust chelating agent and preparation method thereof.
Background technology
At present, in the market mainly has physics class and chemistry for garbage burning factory fly-ash heavy metal pollution reagent used
Two class material of class.Physics class, common is lime or cement solidification, but hardening time is grown, and easily causes secondary pollution；Chemistry
Class, Common materials are then EDTA, and EDTA has very strong metal chelating ability in chemical classes, but molecular weight is smaller, formation
Chelate easily flows into water body under acid solution elution, causes secondary pollution.And in the market master reagent to be used is directed to, have
Have the disadvantage that：Sequestering power is weak, heat endurance is poor, and preparation method is complicated.
The content of the invention
The purpose of the present invention is to solve the defects of the above-mentioned prior art, there is provided a kind of flying dust chelating agent and its preparation side
Method.
The purpose of the present invention can be reached by adopting the following technical scheme that：
A kind of flying dust chelating agent, it is characterised in that including following component：
By weight percentage：10%~20% 3 mercapto triazine trisodium, 3%~8% trithiocarbonic acid sodium, 2%~6%2,6 one diamides
Pyridine ethane thiol, 0.5%~1.5%1,3 one dibenzamide ethyl mercaptans, 0.2%~0.8% additive, 60%~80% water.
Preferably, by weight percentage, 10%~15% 3 mercapto triazine trisodium, 5%~8% trithiocarbonic acid sodium, 4%~6%
2,6 one diamides pyridine ethane thiols, 1%~1.5%1,3 one dibenzamide ethyl mercaptans, 0.2%~0.5% additive, 60%~80%
Water.
Preferably, the additive is modified soluble starch, and the water is deionized water.
A kind of preparation method of flying dust chelating agent, it is characterised in that comprise the following steps：
Step A：By three mercapto triazine trisodiums, trithiocarbonic acid sodium, 2,6 one diamides pyridine ethane thiols, 1,3 one dibenzamide second
Mercaptan is added to the water, and when stirring 1 is small, obtains mixed liquor；
Step B：The mixed liquor that step A is obtained, adds additive, and stirring 2 can obtain flying dust chelating agent when small.
The present invention has following beneficial effect relative to the prior art：
1st, a kind of new heavy metal chelant is provided, organic sulfur class Compositional type chelating agent, it is big with molecular weight, and flocculate work(
Can be strong, chelate the advantages of heavy metal ability is strong.
, chelating agent additive be soluble starch, improve the sequestering power of chelating agent, reduce high molecular heavy metals chelating
The toxicity of agent so that modified product is readily biodegradable.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, one kind is flown
Grey chelating agent and preparation method thereof is further elaborated.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Embodiment 1：
Weigh deionized water 60kg, three mercapto triazine trisodium 10kg, trithiocarbonic acid sodium 6kg, 2,6 one diamides pyridine ethane thiols
5kg, 1,3 one dibenzamide ethyl mercaptan 1kg, soluble starch 0.4kg；First by three mercapto triazine trisodiums, trithiocarbonic acid sodium, 2,
6 one diamides pyridine ethane thiols, 1,3 one dibenzamide ethyl mercaptans are added in deionized water, when stirring 1 is small, obtain mixed liquor；
Then add soluble starch stirring 2 it is small when.
Embodiment 2：
Weigh deionized water 70kg, three mercapto triazine trisodium 20kg, trithiocarbonic acid sodium 5kg, 2,6 one diamides pyridine ethane thiols
5kg, 1,3 one dibenzamide ethyl mercaptan 0.8kg, soluble starch 0.5kg；First by three mercapto triazine trisodiums, trithiocarbonic acid sodium,
2,6 one diamides pyridine ethane thiols, 1,3 one dibenzamide ethyl mercaptans are added in deionized water, when stirring 1 is small, are mixed
Liquid；Then add soluble starch stirring 2 it is small when.
Embodiment 3：
Weigh deionized water 80kg, three mercapto triazine trisodium 20kg, trithiocarbonic acid sodium 8kg, 2,6 one diamides pyridine ethane thiols
6kg, 1,3 one dibenzamide ethyl mercaptan 1.5kg, soluble starch 0.6kg；First by three mercapto triazine trisodiums, trithiocarbonic acid sodium,
2,6 one diamides pyridine ethane thiols, 1,3 one dibenzamide ethyl mercaptans are added in deionized water, when stirring 1 is small, are mixed
Liquid；Then add soluble starch stirring 2 it is small when.
Embodiment 4：
Weigh deionized water 75kg, three mercapto triazine trisodium 15kg, trithiocarbonic acid sodium 6kg, 2,6 one diamides pyridine ethane thiols
5kg, 1,3 one dibenzamide ethyl mercaptan 1kg, soluble starch 0.5kg；First by three mercapto triazine trisodiums, trithiocarbonic acid sodium, 2,
6 one diamides pyridine ethane thiols, 1,3 one dibenzamide ethyl mercaptans are added in deionized water, when stirring 1 is small, obtain mixed liquor；
Then add soluble starch stirring 2 it is small when.
In conclusion the preparation method very simple of the present invention, is organic sulfur class Compositional type chelating agent, it is with molecular weight
Greatly, the advantages of flocculating function is strong, and chelating heavy metal ability is strong；The additive of chelating agent is soluble starch, improves chelating agent
Sequestering power, reduces the toxicity of macromolecular heavy metal chelating agent so that modified product is readily biodegradable.
The above, is only patent preferred embodiment of the present invention, but the protection domain of patent of the present invention is not limited to
This, any one skilled in the art is in the scope disclosed in patent of the present invention, the skill of patent according to the present invention
Art scheme and its patent of invention design are subject to equivalent substitution or change, belong to the protection domain of patent of the present invention.
Claims (4)
1. a kind of flying dust chelating agent, it is characterised in that including following component：
By weight percentage：10%~20% 3 mercapto triazine trisodium, 3%~8% trithiocarbonic acid sodium, 2%~6%2,6 one diamides
Pyridine ethane thiol, 0.5%~1.5%1,3 one dibenzamide ethyl mercaptans, 0.2%~0.8% additive, 60%~80% water.
2. a kind of flying dust chelating agent according to claim 1, it is characterised in that by weight percentage：10%~15% 3
Mercapto triazine trisodium, 5%~8% trithiocarbonic acid sodium, 4%~6%2,6 one diamides pyridine ethane thiols, 1%~1.5%1,3 one hexichol first
Acid amides ethyl mercaptan, 0.2%~0.5% additive, 60%~80% water.
3. a kind of flying dust chelating agent according to claim 1, it is characterised in that the additive is modified soluble shallow lake
Powder, the water are deionized water.
4. a kind of preparation method of flying dust chelating agent, it is characterised in that comprise the following steps：
Step A：By three mercapto triazine trisodiums, trithiocarbonic acid sodium, 2,6 one diamides pyridine ethane thiols, 1,3 one dibenzamide second
Mercaptan is added to the water, and when stirring 1 is small, obtains mixed liquor；
Step B：The mixed liquor that step A is obtained, adds additive, and stirring 2 can obtain flying dust chelating agent when small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066663.1A CN108014444A (en) | 2018-01-24 | 2018-01-24 | A kind of flying dust chelating agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810066663.1A CN108014444A (en) | 2018-01-24 | 2018-01-24 | A kind of flying dust chelating agent and preparation method thereof |
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| CN108014444A true CN108014444A (en) | 2018-05-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574178A (en) * | 2018-11-29 | 2019-04-05 | 宁波君笙环保科技有限公司 | A kind of preparation method of electroplated heavy metals chelating agent |
| CN111359136A (en) * | 2020-04-03 | 2020-07-03 | 连云港新江环保材料有限公司 | Dioxin detoxification chelating agent for fly ash and preparation method thereof |
| CN113274967A (en) * | 2021-06-15 | 2021-08-20 | 浙江商业职业技术学院(杭州商业技工学校) | Powder fog mixer |
| CN114404861A (en) * | 2022-02-11 | 2022-04-29 | 江西鸿运环保科技有限公司 | Fly ash chelating agent and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574178A (en) * | 2018-11-29 | 2019-04-05 | 宁波君笙环保科技有限公司 | A kind of preparation method of electroplated heavy metals chelating agent |
| CN109574178B (en) * | 2018-11-29 | 2022-01-04 | 宁波君笙环保科技有限公司 | Preparation method of electroplating heavy metal chelating agent |
| CN111359136A (en) * | 2020-04-03 | 2020-07-03 | 连云港新江环保材料有限公司 | Dioxin detoxification chelating agent for fly ash and preparation method thereof |
| CN113274967A (en) * | 2021-06-15 | 2021-08-20 | 浙江商业职业技术学院(杭州商业技工学校) | Powder fog mixer |
| CN113274967B (en) * | 2021-06-15 | 2022-08-12 | 浙江商业职业技术学院(杭州商业技工学校) | Powder fog mixer |
| CN114404861A (en) * | 2022-02-11 | 2022-04-29 | 江西鸿运环保科技有限公司 | Fly ash chelating agent and preparation method thereof |
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Application publication date: 20180511 |