CN106621169A - Waste incineration fly ash stabilization chemical and preparing method thereof - Google Patents
Waste incineration fly ash stabilization chemical and preparing method thereof Download PDFInfo
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- CN106621169A CN106621169A CN201611252395.XA CN201611252395A CN106621169A CN 106621169 A CN106621169 A CN 106621169A CN 201611252395 A CN201611252395 A CN 201611252395A CN 106621169 A CN106621169 A CN 106621169A
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- ferric chloride
- poly
- mud
- polymeric ferric
- incineration
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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
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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
- 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)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a waste incineration fly ash stabilization chemical which is composed of monopotassium phosphate, polymeric ferric silicate sulfate, polymeric ferric chloride and sepiolite mud. The chemical includes, by weight, 40%-50% of the monopotassium phosphate, 20%-30% of the polymeric ferric silicate sulfate, 20%-30% of the polymeric ferric chloride and 5%-10% of the sepiolite mud. Meanwhile, the invention provides a preparing method of the above waste incineration fly ash stabilization chemical. The method includes the following steps that firstly, all the raw materials are weighed according to the above weight percentages; secondly, the polymeric ferric silicate sulfate, the polymeric ferric chloride and the sepiolite mud are ground evenly, wherein the particle size of the polymeric ferric silicate sulfate is not larger than 0.2 mm, the particle size of the polymeric ferric chloride is not larger than 0.15 mm, and the particle size of the sepiolite mud is not larger than 0.1 mm; and thirdly, the ground polymeric ferric silicate sulfate, the ground polymeric ferric chloride and the ground sepiolite mud are added into the monopotassium phosphate to be evenly stirred, and the waste incineration fly ash stabilization chemical is prepared.
Description
Technical field
The present invention relates to a kind of incineration of refuse flyash treatment agent, more particularly, to a kind of stable chemical drug of incineration of refuse flyash
Agent and preparation method thereof.
Background technology
At present, as urbanization process is constantly accelerated, Domestic Refuse is sharply increased, and growth does not subtract, rubbish
Rubbish besieged city pressure is increasing, produced environment and social concern, it has also become one of bottleneck of restriction urban development.Rubbish burns
Treatment technology is burnt due to its advantage in resource and minimizing, be at home and abroad widely used, but urban life
The flying ash equivalent to former rubbish quality 2%～5% can be produced after waste incineration.In flying dust containing water miscible Cd, Pb,
Incineration of refuse flyash is clearly classified as hazardous waste by various harmful heavy metal materials such as Zn, Cu, Cr, China's Hazardous Waste List
(numbering HW18), it is desirable to have to pass through the specially treateds such as passivation, stabilisation, meets《Household refuse landfill sites Environmental capacity standard》
(GB16889-2008) in for the requirement of Leaching of Heavy Metals concentration value after, safe disposal could be carried out into landfill yard.
The processing method of incineration of refuse flyash mainly has：Chemically stable method, melting/glass solidification, cement solidification, acid or its
Its solvent wash method, security landfill etc..Chemically stable method mainly uses the harmful substance in chemical agent and flying dust
Learn reaction so as to be converted into the process of low-solubility, low migration and hypotoxicity material.Chemically stable method has operation letter because of it
The features such as list, treatment effect instant effect, it has also become the processing method for more generally adopting both at home and abroad, but it there is also processing cost
It is high, the problems such as treatment effect is unstable, there is the risk of secondary pollution.
The content of the invention
In order to solve the above problems, the present invention provides a kind of incineration of refuse flyash stabilization agent, while providing above-mentioned rubbish
The preparation method of rubbish flying ash stabilizing medicament, a kind of incineration of refuse flyash stabilization agent, by potassium dihydrogen phosphate, polymerization silicon
Sour ferric sulfate, poly-ferric chloride, sea bubble mud composition, by weight the content of each composition is respectively：Potassium dihydrogen phosphate 40-50%,
Polysilicon acid polyferric sulfate 20-30%, poly-ferric chloride 20-30%, sea bubble mud 5-10%；Above-mentioned incineration of refuse flyash is stabilized
The preparation method of medicament, comprises the steps：
1st, each raw material is weighed respectively by above-mentioned percentage by weight；
2nd, it is polysilicon acid polyferric sulfate, poly-ferric chloride, sea bubble mud grinding is uniform；
Further, polysilicon acid polyferric sulfate particle diameter is not more than 0.2mm；
Further, poly-ferric chloride particle diameter is not more than 0.15mm；
Further, bubble mud pellet footpath in sea is not more than 0.1mm.
3rd, the polysilicon acid polyferric sulfate after grinding, poly-ferric chloride, sea bubble mud are added in potassium dihydrogen phosphate and stir equal
It is even, that is, make incineration of refuse flyash stabilization agent.
The application of above-mentioned incineration of refuse flyash stabilization agent, comprises the steps：
(1) by fly ash carry to mixer；
(2) after fly ash carry is complete, medicament is delivered to into mixer, it is dry to be stirred until homogeneous；
(3) add water and continue to be stirred until homogeneous；
(4) chelate (flying dust after process) after stirring is packed and numbered, and send landfill yard to fill after maintenance 24h.
The technical solution adopted for the present invention to solve the technical problems is：A kind of incineration of refuse flyash stabilization agent, by
Potassium dihydrogen phosphate, polysilicon acid polyferric sulfate, poly-ferric chloride, sea bubble mud composition, by weight the content of each composition is respectively：Phosphorus
Acid dihydride potassium 40-50%, polysilicon acid polyferric sulfate 20-30%, poly-ferric chloride 20-30%, sea bubble mud 5-10%；A kind of rubbish
The preparation method of flying ash stabilizing medicament, comprises the steps：
The first step, weigh respectively potassium dihydrogen phosphate, polysilicon acid polyferric sulfate, poly-ferric chloride, sea bubble mud, by weight respectively
The content of composition is respectively：Potassium dihydrogen phosphate 40-50%, polysilicon acid polyferric sulfate 20-30%, poly-ferric chloride 20-30%, sea
Bubble mud 5-10%；
It is second step, polysilicon acid polyferric sulfate, poly-ferric chloride, sea bubble mud grinding is uniform；
Further, polysilicon acid polyferric sulfate particle diameter is not more than 0.2mm；
Further, poly-ferric chloride particle diameter is not more than 0.15mm；
Further, bubble mud pellet footpath in sea is not more than 0.1mm.
3rd step, the polysilicon acid polyferric sulfate by after grinding, poly-ferric chloride, sea bubble mud are added in potassium dihydrogen phosphate and stir
Mix uniform, that is, make incineration of refuse flyash stabilization agent.
Beneficial effects of the present invention：The composition collocation of incineration of refuse flyash stabilization agent of the present invention is reasonable, each group
Divide to cooperate with and play a role, using the stable machine of various solidifications such as mineral matter lattice Inter layer adsorption, complex reaction, precipitation reaction
Reason, can for a long time, effectively stabilize the heavy metal in flying dust, and the flying dust Jing after processing disclosure satisfy that《Household refuse landfill sites
Environmental capacity standard》(GB16889-2008) entry requirement；In addition the stabilization agent is cheap, prepares and technique for applying
Simply, it is workable, it is suitable to popularization and application on a large scale.
Specific embodiment
Embodiment one
A kind of incineration of refuse flyash stabilization agent, each composition and its percentage composition it is as follows：
| Raw material | Weight (KG) | Percentage by weight (%) |
| Potassium dihydrogen phosphate | 40 | 40 |
| Polysilicon acid polyferric sulfate | 30 | 30 |
| Poly-ferric chloride | 25 | 25 |
| Sea bubble mud | 5 | 5 |
| It is total | 100 | 100 |
The preparation method of above-mentioned incineration of refuse flyash stabilization agent is as follows：
The first step, each raw material is weighed respectively by the percentage by weight in upper table；
Second step, polysilicon acid polyferric sulfate is ground, the sieve of 0.2mm is crossed after crushing, it is standby；
Poly-ferric chloride is ground, the sieve of 0.15mm is crossed after crushing, it is standby；
Sea bubble mud is ground, the sieve of 0.1mm is crossed after crushing, it is standby；
3rd step, the raw material after grinding in step 2 is added to potassium dihydrogen phosphate and then stirs, that is, make rubbish and burn
Burn stabilizing fly ash chemical drug agent.
Incineration of refuse flyash stabilization agent application example：Shenzhen garbage incinerating power plant flying dust 5kg is taken, this is added
Invention incineration of refuse flyash stabilization agent 1kg, stirs, and adds water 0.75kg to continue to stir 120 seconds to uniform.After process
Flying dust (chelate) pack and number, method for numbering serial adopt：The form of the year+moon+day+production batch, this time numbering is 2016-
10-12-001.Maintenance samples detection after 24 hours.
Detection method：Foundation《Solid waste Leaching leaching method hac buffer method》(HJ/T300-2007) enter
Row Leaching is tested,《Hazardous waste judging standard leaching characteristic identification》(GB5085.3-2007) huge sum of money for leachate is determined
Category concentration.
Result of the test is shown, be disclosure satisfy that using the flying dust after incineration of refuse flyash stabilization agent of the present invention process《It is raw
Garbage loading embeading Environmental capacity standard living》(GB16889-2008) entry requirement.
| Sample | Pb | Zn | Cu | Cr | Ni | Be | Ba | Hg | As | Se | Cr6+ | Cd |
| Former ash | 9.12 | 300 | 53.9 | 0.33 | 0.60 | 0.001 | 0.856 | 0.027 | 0.091 | 0.006 | 0.116 | 8.72 |
| Chelate | 0.06 | 0.51 | 0.67 | 0.14 | 0.14 | 0.001 | 0.623 | 0.018 | 0.078 | 0.004 | 0.101 | 0.05 |
Remarks：Unit is mg/L
Embodiment two
A kind of incineration of refuse flyash stabilization agent, each composition and its percentage composition it is as follows：
| Raw material | Weight (KG) | Percentage by weight (%) |
| Potassium dihydrogen phosphate | 50 | 50 |
| Polysilicon acid polyferric sulfate | 20 | 20 |
| Poly-ferric chloride | 20 | 20 |
| Sea bubble mud | 10 | 10 |
| It is total | 100 | 100 |
Above-mentioned incineration of refuse flyash stabilization agent, its preparation method is identical with embodiment one.
Incineration of refuse flyash stabilization agent application example：Wuhan City garbage incinerating power plant flying dust 10kg is taken, is added
Incineration of refuse flyash stabilization agent 2.5kg of the present invention, stirs, and adds water 1.5kg to continue to stir 120 seconds to uniform.Place
Flying dust (chelate) after reason is packed and numbered, and method for numbering serial is adopted：The form of the year+moon+day+production batch, this is numbered and is
2016-10-15-001.Maintenance samples detection after 24 hours.
Detection project and method are identical with embodiment one.
Result of the test is shown, be disclosure satisfy that using the flying dust after incineration of refuse flyash stabilization agent of the present invention process《It is raw
Garbage loading embeading Environmental capacity standard living》(GB16889-2008) entry requirement.
| Sample | Pb | Zn | Cu | Cr | Ni | Be | Ba | Hg | As | Se | Cr6+ | Cd |
| Former ash | 10.32 | 158 | 70.3 | 0.35 | 0.71 | 0.001 | 0.937 | 0.011 | 0.083 | 0.007 | 0.123 | 10.35 |
| Chelate | 0.05 | 0.43 | 0.52 | 0.13 | 0.11 | 0.001 | 0.246 | 0.009 | 0.058 | 0.003 | 0.091 | 0.07 |
Remarks：Unit is mg/L.
Claims (2)
1. a kind of incineration of refuse flyash stabilization agent, is characterized in that, the medicament is by potassium dihydrogen phosphate, polymeric silicicacid sulfuric acid
Iron, poly-ferric chloride, sea bubble mud composition, by weight the content of each composition is respectively：Potassium dihydrogen phosphate 40-50%, polymerization silicon
Sour ferric sulfate 20-30%, poly-ferric chloride 20-30%, sea bubble mud 5-10%.
2. a kind of preparation method of incineration of refuse flyash stabilization agent, its feature comprises the steps：
The first step, potassium dihydrogen phosphate, polysilicon acid polyferric sulfate, poly-ferric chloride, sea bubble mud, by weight each composition are weighed respectively
Content be respectively：Potassium dihydrogen phosphate 40-50%, polysilicon acid polyferric sulfate 20-30%, poly-ferric chloride 20-30%, sea bubble mud
5-10%；
It is second step, polysilicon acid polyferric sulfate, poly-ferric chloride, sea bubble mud grinding is uniform；
Further, polysilicon acid polyferric sulfate particle diameter is not more than 0.2mm；
Further, poly-ferric chloride particle diameter is not more than 0.15mm；
Further, bubble mud pellet footpath in sea is not more than 0.1mm.
3rd step, the polysilicon acid polyferric sulfate by after grinding, poly-ferric chloride, sea bubble mud are added in potassium dihydrogen phosphate and stir equal
It is even, that is, make incineration of refuse flyash stabilization agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252395.XA CN106621169A (en) | 2016-12-30 | 2016-12-30 | Waste incineration fly ash stabilization chemical and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611252395.XA CN106621169A (en) | 2016-12-30 | 2016-12-30 | Waste incineration fly ash stabilization chemical and preparing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106621169A true CN106621169A (en) | 2017-05-10 |
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ID=58836787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611252395.XA Pending CN106621169A (en) | 2016-12-30 | 2016-12-30 | Waste incineration fly ash stabilization chemical and preparing method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151690A (en) * | 2011-01-20 | 2011-08-17 | 杭州大地环保有限公司 | Method for treating arsenic sulfide residue |
| CN102732259A (en) * | 2012-06-26 | 2012-10-17 | 南京清科中晟环境技术有限公司 | Heavy metal polluted crystallization encapsulated stabilizing agent and its application method |
| CN104190688A (en) * | 2014-08-01 | 2014-12-10 | 中国科学院生态环境研究中心 | Compound addition material for arsenic-containing waste solidification treatment and preparation method of compound addition material |
| CN104492024A (en) * | 2014-12-12 | 2015-04-08 | 江苏中宜生态土研究院有限公司 | Fly ash treatment method for waste incineration |
| CN104845626A (en) * | 2015-05-05 | 2015-08-19 | 长沙华时捷环保科技发展有限公司 | Passivating agent for governing heavy metal contaminated soil and preparation and use method of passivating agent |
| CN105542776A (en) * | 2015-12-18 | 2016-05-04 | 北京高能时代环境技术股份有限公司 | Stabilizing agent for harmless treatment of arsenic-contaminated soil |
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2016
- 2016-12-30 CN CN201611252395.XA patent/CN106621169A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151690A (en) * | 2011-01-20 | 2011-08-17 | 杭州大地环保有限公司 | Method for treating arsenic sulfide residue |
| CN102732259A (en) * | 2012-06-26 | 2012-10-17 | 南京清科中晟环境技术有限公司 | Heavy metal polluted crystallization encapsulated stabilizing agent and its application method |
| CN104190688A (en) * | 2014-08-01 | 2014-12-10 | 中国科学院生态环境研究中心 | Compound addition material for arsenic-containing waste solidification treatment and preparation method of compound addition material |
| CN104492024A (en) * | 2014-12-12 | 2015-04-08 | 江苏中宜生态土研究院有限公司 | Fly ash treatment method for waste incineration |
| CN104845626A (en) * | 2015-05-05 | 2015-08-19 | 长沙华时捷环保科技发展有限公司 | Passivating agent for governing heavy metal contaminated soil and preparation and use method of passivating agent |
| CN105542776A (en) * | 2015-12-18 | 2016-05-04 | 北京高能时代环境技术股份有限公司 | Stabilizing agent for harmless treatment of arsenic-contaminated soil |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |