CN102974068A - Waste incineration fly ash treatment agent - Google Patents
Waste incineration fly ash treatment agent Download PDFInfo
- Publication number
- CN102974068A CN102974068A CN2012104769220A CN201210476922A CN102974068A CN 102974068 A CN102974068 A CN 102974068A CN 2012104769220 A CN2012104769220 A CN 2012104769220A CN 201210476922 A CN201210476922 A CN 201210476922A CN 102974068 A CN102974068 A CN 102974068A
- Authority
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- Prior art keywords
- phosphate
- flying dust
- composite phosphate
- heavy metal
- treatment agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 18
- 239000010881 fly ash Substances 0.000 title claims abstract description 16
- 238000004056 waste incineration Methods 0.000 title abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 8
- -1 phosphate Chemical class 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 35
- 238000012545 processing Methods 0.000 claims description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000011398 Portland cement Substances 0.000 claims description 3
- 238000004043 dyeing Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 3
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- 235000011008 sodium phosphates Nutrition 0.000 claims description 3
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 3
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- DHCDFWKWKRSZHF-UHFFFAOYSA-N sulfurothioic S-acid Chemical compound OS(O)(=O)=S DHCDFWKWKRSZHF-UHFFFAOYSA-N 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 abstract description 29
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 29
- 239000010452 phosphate Substances 0.000 abstract description 29
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 22
- 239000002131 composite material Substances 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 17
- 239000002738 chelating agent Substances 0.000 abstract description 12
- 150000002500 ions Chemical class 0.000 abstract description 7
- 230000004913 activation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 abstract description 3
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 abstract description 3
- 229910001424 calcium ion Inorganic materials 0.000 abstract description 3
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 239000011574 phosphorus Substances 0.000 abstract description 2
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 239000004480 active ingredient Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 12
- 239000003814 drug Substances 0.000 description 7
- 239000011575 calcium Substances 0.000 description 6
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- 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
- A62D2101/20—Organic substances
- A62D2101/24—Organic substances containing heavy metals
-
- 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
Abstract
The method aims to solve the problem that the method for performing fly ash harmless treatment by adopting a chelating agent including phosphate has poor treatment effect on high heavy metal fly ash. According to the waste incineration fly ash treatment agent, the combined action of the activated component and the composite phosphate is adopted, and the reactive activity of calcium ions and magnesium ions is reduced by activating the reactive activity of heavy metal ions in the treatment process of the activated component, so that the composite phosphate can fully react with the heavy metal ions, and the heavy metal capture efficiency of the composite phosphate is greatly enhanced; the invention provides a waste incineration fly ash treatment agent, which comprises the following components in parts by weight: 20% -60% of an Activation component , 15% -50% of a Composite Phosphate component (Composite Phosphate), 20% -50% of a curing molding component (solid) and 1% -5% of auxiliary components; the composite phosphate is prepared by mixing various phosphorus-containing compounds, including phosphate, dihydric phosphate and the like; the composite phosphate and the active ingredient have the combined action, so that the heavy metal capture efficiency is improved, and the composite phosphate has the advantage of low cost.
Description
Technical field
The present invention relates to a kind of incineration of refuse flyash treatment technology, relate in particular to a kind of incineration of refuse flyash treatment agent.
Background technology
The flying dust that waste incineration produces is a kind of hazardous waste, and it contains the heavy metals such as lead, cadmium, mercury, chromium with the persistence organic pollutants such as bioxin are very big to health and environmental hazard.Therefore, flying dust is properly disposed, for ensureing the civic health of human body, the sustainable development of promotion economy all tool is of great significance.
At present, external flying dust is disposed main landfill and the harmless processing method of adopting.Harmless processing method comprises again pharmaceutical treatment and fusion method etc.Domestic flying dust treatment technology still is in the starting stage, and major part is quoted the method that external interpolation chelating agent carries out the flying dust harmless treatment.This technique is obvious and technique is simple to general flying dust treatment effect, but it is not good for the treatment effect of high heavy metal flying dust that the interpolation chelating agent carries out the method for flying dust harmless treatment, and because the expensive processing cost that causes of chelating agent is higher, be not suitable for large-scale promotion application.
The content of beary metal of incineration of refuse flyash is high, outside the removing heavy metals, also comprises a large amount of calcium Ca, magnesium Mg element.The tradition chelating agent can not effectively be distinguished calcium, magnesium elements and heavy metal element, causes effective chelating coordinate bond to be wasted, and the catch rate of heavy metal is on the low side.Phosphate also belongs to a kind of of chelating agent, and traditional phosphate is to the heavy metal element non-selectivity, and most of and calcium and magnesium elements reaction only have the reaction of fraction and heavy metal ion, so capturing efficiency are low.
Summary of the invention
Comprise that in order to solve to adopt the chelating agent of phosphate carries out the method for flying dust harmless treatment for the problem of the poor processing effect of high heavy metal flying dust.A kind of incineration of refuse flyash treatment agent of the present invention, by activate composition and composite phosphate acting in conjunction, the activate composition passes through to activate the reactivity of huge sum of money ion in processing procedure, reduce the reactivity of calcium ion and magnesium ion, make the composite phosphate can be fully and the heavy metal ion reaction, greatly strengthened the heavy metal chelating efficient of composite phosphate.Composite phosphate adopts multiple phosphorus-containing compound to mix, and comprises phosphate, dihydric phosphate etc.Composite phosphate and the acting in conjunction of activate composition not only improve heavy metal chelating efficient, and have advantage with low cost.A kind of incineration of refuse flyash treatment agent that the present invention proposes, consist of the following composition: activate composition (Activation), compound phosphoric acid salt component (Composite Phosphate), curing molding composition (Solidification) and auxiliary element, this paper is called for short the APS flying dust and processes innoxious medicament.
The present invention's technical scheme that adopts of dealing with problems is, a kind of incineration of refuse flyash treatment agent contains following composition: 20%-60% activate composition (Activation), 15%-50% compound phosphoric acid salt component (Composite Phosphate), 20%-50% curing molding composition (Solidification), 1%-5% auxiliary element by weight;
Described activate composition (Activation) contains following composition: 40%-70%Ca (OH) 2,20%-50% dodium thiosulfate, 10%-30% sodium bicarbonate by weight;
Described compound phosphoric acid salt component (Composite Phosphate) contains following composition by weight: 70%-90% sodium dihydrogen phosphate or sodium phosphate, 10%-30% sodium thiosulfate;
Described curing molding composition (Solidification) is portland cement;
Described auxiliary element contains following composition by weight: the agent of 20%-40% normal dyeing, 60%-80% drier;
When carrying out the flying dust processing, admixture flying dust treatment agent and water in flying dust sent the landfill yard landfill in 24 hours-48 hours afterwards through fully stirring, entrucking maintenance; Mix ratio is by weight: flying dust is that 100 parts, flying dust treatment agent are 10-30 part, water 15-30 part.
The invention has the beneficial effects as follows, the APS flying dust that the present invention proposes is processed innoxious medicament, on the one hand by activate composition and composite phosphate acting in conjunction, the activate composition passes through to activate the reactivity of huge sum of money ion in processing procedure, reduce the reactivity of calcium ion and magnesium ion, make the composite phosphate can be fully and the heavy metal ion reaction, greatly strengthened the heavy metal chelating efficient of composite phosphate, flying dust after treatment can satisfy " household refuse landfill sites pollution control criterion " entry requirement (GB168892008); Also have on the other hand price advantage, the flying dust processing cost is cheap.
Description of drawings
The process chart that Fig. 1 carries out harmless treatment for the innoxious medicament of APS that adopts the present invention to propose.
The specific embodiment
A kind of incineration of refuse flyash treatment agent contains following composition: 20%60% activate composition (Activation), 15%-50% compound phosphoric acid salt component (Composite Phosphate), 20%-50% curing molding composition (Solidification), 1%-5% auxiliary element by weight;
Described activate composition (Activation) contains following composition: 40%-70%Ca (OH) by weight
2, 20%-50% dodium thiosulfate, 10%-30% sodium bicarbonate;
Described compound phosphoric acid salt component (Composite Phosphate) contains following composition by weight: 70%-90% sodium dihydrogen phosphate or sodium phosphate, 10%-30% sodium thiosulfate;
Described curing molding composition (Solidification) is portland cement;
Described auxiliary element contains following composition by weight: the agent of 20%-40% normal dyeing, 60%-80% drier.
Fig. 1 processes the process chart that innoxious medicament carries out the incineration of refuse flyash harmless treatment for the APS flying dust that adopts the present invention to propose.Show among the figure that carry out flying dust when processing, admixture APS flying dust is processed innoxious medicament and water in flying dust, through fully stir, then the entrucking maintenance will be sent flying dust the landfill yard landfill after 24 hours-48 hours; Mix ratio is by weight: flying dust is that to process innoxious medicament be 10-30 part, water 15-30 part for 100 parts, APS flying dust.
Experiment showed, that the innoxious medicament of APS that adopts the present invention to propose carries out the advantage that harmless treatment has following two faces:
(1) effectively overcomes the processing problem of high heavy metal flying dust.
Existing flying dust treatment technology is difficult to overcome high content of beary metal flying dust, take plumbous (Pb) as example, the general city plumbous Leaching of original flying dust is mostly at 1-5mg/L, and the industrial flourishing city of part for example Shenzhen, Suzhou owing to contain a large amount of industrial refuses in the house refuse, content of beary metal is far above general city, and wherein Bao'an, lead element Shenzhen is up to 50-100mg/L.And " household refuse landfill sites pollution control criterion " (GB16889-2008) plumbous Leaching index be 0.25mg/L, the plumbous efficient of removing of high heavy metal flying dust is required more than 99%, the existing flying dust treatment technology of this efficient is difficult to reach.Present technique is applied to above high content of beary metal flying dust still can reach standard-required, and high heavy metal element is on average removed efficient can be reached: copper 99.91%, lead 99.87%, zinc 99.96%, cadmium 99.67%.The proof present technique still can remaining valid property and stability when being used for high heavy metal flying dust.
(2) has preferably economic worth (three refuse-burning plants are example take the Shenzhen)
The economic analysis table
Annotate: a year flying dust amount is pressed 8000h and is calculated
As above shown in the table, adopt the innoxious technology of APS, for South Mountain refuse-burning plant present situation, can save 8,800,000 yuan of disposal costs every year, compare current chelating agent technology, still can save 800,000 yuan every year.For salt pan refuse-burning plant present situation, can save 4,950,000 yuan of disposal costs every year, compare current chelating agent technology, still can save 900,000 yuan every year.For Bao'an refuse-burning plant present situation, can save 1,200 ten thousand yuan of disposal costs every year, compare current chelating agent technology, can save 3,600,000 yuan every year.Three factories add up to, and compare and send the danger waste landfill site can save 2,575 ten thousand yuan every year, compare current chelating agent technology and can save 5,300,000 yuan every year.In sum, no matter the innoxious technology of APS contrasts security landfill or current chelating agent technology, has all embodied preferably economic benefit.
Claims (2)
1. an incineration of refuse flyash treatment agent is characterized in that, contains by weight following composition: 20%-60% activate composition, 15%-50% compound phosphoric acid salt component, 20%-50% curing molding composition, 1%-5% auxiliary element;
Described activate composition contains following composition: 40%-70%Ca (OH) by weight
2, 20%-50% dodium thiosulfate, 10%-30% sodium bicarbonate;
Described compound phosphoric acid salt component contains following composition by weight: 70%-90% sodium dihydrogen phosphate or sodium phosphate, 10%-30% sodium thiosulfate;
Described curing molding composition is portland cement;
Described auxiliary element contains following composition by weight: the agent of 20%-40% normal dyeing, 60%-80% drier.
2. incineration of refuse flyash treatment agent according to claim 1 is characterized in that, when carrying out the flying dust processing, admixture flying dust treatment agent and water in flying dust sent the landfill yard landfill in 24 hours-48 hours afterwards through fully stirring, entrucking maintenance; Mix ratio is by weight: flying dust is 100 parts, and the flying dust treatment agent is 10-30 part, water 15-30 part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210476922.0A CN102974068B (en) | 2012-11-22 | 2012-11-22 | Waste incineration fly ash treatment agent |
| PCT/CN2013/079498 WO2014079221A1 (en) | 2012-11-22 | 2013-07-17 | Reagent for processing fly ash whilst incinerating waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210476922.0A CN102974068B (en) | 2012-11-22 | 2012-11-22 | Waste incineration fly ash treatment agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102974068A true CN102974068A (en) | 2013-03-20 |
| CN102974068B CN102974068B (en) | 2015-12-23 |
Family
ID=47848588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210476922.0A Active CN102974068B (en) | 2012-11-22 | 2012-11-22 | Waste incineration fly ash treatment agent |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102974068B (en) |
| WO (1) | WO2014079221A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079221A1 (en) * | 2012-11-22 | 2014-05-30 | 深圳市能源环保有限公司 | Reagent for processing fly ash whilst incinerating waste |
| CN106943704A (en) * | 2017-02-27 | 2017-07-14 | 湖南云平环保科技有限公司 | Organic phosphate heavy metal chelant |
| WO2018120051A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市能源环保有限公司 | Waste incineration fly ash stabilizing agent and preparation method therefor |
| WO2018133046A1 (en) * | 2017-01-20 | 2018-07-26 | 深圳市能源环保有限公司 | Waste incineration fly ash deacidifying and chelating agent and preparation method therefor |
| CN110672538A (en) * | 2019-11-13 | 2020-01-10 | 辽宁石油化工大学 | Method for reducing content of heavy metal ion lead in incineration fly ash by using phosphate solution |
| CN114345114A (en) * | 2021-12-27 | 2022-04-15 | 深圳能源环保股份有限公司 | Double-effect treatment method for flue gas deacidification and fly ash of waste incinerator |
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| JP2002194328A (en) * | 2000-12-26 | 2002-07-10 | Mitsubishi Rayon Co Ltd | Heavy metal fixing agent and method for fixing heavy metal using the same |
| JP2003190907A (en) * | 2001-12-25 | 2003-07-08 | Mitsubishi Heavy Ind Ltd | Treatment method of hardly decomposable substance and apparatus |
| CN101972766A (en) * | 2010-08-30 | 2011-02-16 | 天津渤海环保工程有限公司 | Refuse incineration fly ash solidification/stabilization treatment method |
| CN102303036A (en) * | 2011-07-06 | 2012-01-04 | 东江环保股份有限公司 | Alkali activated solidification and stabilization treatment method of refuse incineration fly ash |
| CN102312101A (en) * | 2011-08-22 | 2012-01-11 | 同济大学 | Extractant for treating heavy metals in fly ash and method for extracting heavy metals with the extractant |
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| CN102772978A (en) * | 2012-07-06 | 2012-11-14 | 许俊 | Method for treating flying ash |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974068B (en) * | 2012-11-22 | 2015-12-23 | 深圳市能源环保有限公司 | Waste incineration fly ash treatment agent |
-
2012
- 2012-11-22 CN CN201210476922.0A patent/CN102974068B/en active Active
-
2013
- 2013-07-17 WO PCT/CN2013/079498 patent/WO2014079221A1/en active Application Filing
Patent Citations (7)
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| JP2002194328A (en) * | 2000-12-26 | 2002-07-10 | Mitsubishi Rayon Co Ltd | Heavy metal fixing agent and method for fixing heavy metal using the same |
| JP2003190907A (en) * | 2001-12-25 | 2003-07-08 | Mitsubishi Heavy Ind Ltd | Treatment method of hardly decomposable substance and apparatus |
| CN101972766A (en) * | 2010-08-30 | 2011-02-16 | 天津渤海环保工程有限公司 | Refuse incineration fly ash solidification/stabilization treatment method |
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| CN102416396A (en) * | 2011-08-03 | 2012-04-18 | 上海市环境工程设计科学研究院有限公司 | Method for processing incineration fly ash with composite medicament |
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| CN102772978A (en) * | 2012-07-06 | 2012-11-14 | 许俊 | Method for treating flying ash |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079221A1 (en) * | 2012-11-22 | 2014-05-30 | 深圳市能源环保有限公司 | Reagent for processing fly ash whilst incinerating waste |
| WO2018120051A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市能源环保有限公司 | Waste incineration fly ash stabilizing agent and preparation method therefor |
| WO2018133046A1 (en) * | 2017-01-20 | 2018-07-26 | 深圳市能源环保有限公司 | Waste incineration fly ash deacidifying and chelating agent and preparation method therefor |
| CN106943704A (en) * | 2017-02-27 | 2017-07-14 | 湖南云平环保科技有限公司 | Organic phosphate heavy metal chelant |
| CN110672538A (en) * | 2019-11-13 | 2020-01-10 | 辽宁石油化工大学 | Method for reducing content of heavy metal ion lead in incineration fly ash by using phosphate solution |
| CN114345114A (en) * | 2021-12-27 | 2022-04-15 | 深圳能源环保股份有限公司 | Double-effect treatment method for flue gas deacidification and fly ash of waste incinerator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014079221A1 (en) | 2014-05-30 |
| CN102974068B (en) | 2015-12-23 |
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