CN102974068B - Waste incineration fly ash treatment agent - Google Patents
Waste incineration fly ash treatment agent Download PDFInfo
- Publication number
- CN102974068B CN102974068B CN201210476922.0A CN201210476922A CN102974068B CN 102974068 B CN102974068 B CN 102974068B CN 201210476922 A CN201210476922 A CN 201210476922A CN 102974068 B CN102974068 B CN 102974068B
- Authority
- CN
- China
- Prior art keywords
- phosphate
- flying dust
- heavy metal
- treatment agent
- fly ash
- 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
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 12
- -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
- 238000000465 moulding Methods 0.000 claims description 7
- 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 23
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 23
- 239000010452 phosphate Substances 0.000 abstract description 23
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 22
- 239000002131 composite material Substances 0.000 abstract description 16
- 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
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000003213 activating effect Effects 0.000 abstract description 4
- 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
- 239000004480 active ingredient 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
- 238000012545 processing Methods 0.000 description 5
- 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
- 230000007613 environmental effect Effects 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
- 238000002474 experimental method Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000003446 ligand 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
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 activating component (Activation), 15% -50% of a Composite Phosphate component (Composite; 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, particularly relate to a kind of incineration of refuse flyash treatment agent.
Background technology
Waste incineration produce flying dust be a kind of hazardous waste, it contains the heavy metals such as lead, cadmium, mercury, chromium with persistence organic pollutants such as bioxin, to health and environmental hazard very big.Therefore, flying dust is properly disposed, for guarantee civic health of human body, promote economic sustainable development all tool be of great significance.
At present, external flying dust disposes main employing landfill and harmless processing method.Harmless processing method comprises pharmaceutical treatment and fusion method etc. again.Domestic flying dust treatment technology is still in the starting stage, and major part quotes the method that external interpolation chelating agent carries out flying dust harmless treatment.This technique to general flying dust treatment effect obviously and technique is simple, but the method that interpolation chelating agent carries out flying dust harmless treatment is not good for the treatment effect of high heavy metal flying dust, and cause processing cost higher because chelating agent is expensive, be not suitable for large-scale promotion application.
The content of beary metal of incineration of refuse flyash is high, outside removing heavy metals, also comprises a large amount of calcium Ca, magnesium Mg element.Tradition chelating agent can not effectively distinguish calcium, magnesium elements and heavy metal element, and cause effective chelating ligands key to be wasted, the catch rate of heavy metal is on the low side.Phosphate also belongs to the one of chelating agent, traditional phosphate heavy metal element non-selectivity, and major part is reacted with calcium and magnesium elements, and only have fraction and heavy metal ion to react, therefore capturing efficiency is low.
Summary of the invention
In order to solve the problem of method for the poor processing effect of high heavy metal flying dust adopting the chelating agent comprising phosphate to carry out flying dust harmless treatment.A kind of incineration of refuse flyash treatment agent of the present invention, by activate composition and composite phosphate acting in conjunction, activate composition passes through the reactivity activating huge sum of money ion in processing procedure, reduce the reactivity of calcium ion and magnesium ion, enable composite phosphate fully and heavy metal ion react, greatly strengthen the heavy metal chelating efficiency 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 efficiency, 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 (CompositePhosphate), curing molding composition (Solidification) and auxiliary element, be called for short the innoxious medicament of APS flying dust process herein.
The present invention deal with problems adopt technical scheme be, a kind of incineration of refuse flyash treatment agent, by weight containing following composition: 20%-60% activate composition (Activation), 15%-50% compound phosphoric acid salt component (CompositePhosphate), 20%-50% curing molding composition (Solidification), 1%-5% auxiliary element;
Described activate composition (Activation) is by weight containing following composition: 40%-70%Ca (OH)
2, 20%-50% dodium thiosulfate, 10%-30% sodium bicarbonate;
Described compound phosphoric acid salt component (CompositePhosphate) is by weight containing following composition: 70%-90% sodium dihydrogen phosphate or sodium phosphate, 10%-30% sodium thiosulfate;
Described curing molding composition (Solidification) is portland cement;
Described auxiliary element is by weight containing following composition: the agent of 20%-40% normal dyeing, 60%-80% drier;
When carrying out flying dust process, admixture flying dust treatment agent and water in flying dust, through fully stirring, entrucking maintenance send landfill yard landfill after 24 hours-48 hours; Mix ratio is by weight: flying dust is 100 parts, flying dust treatment agent is 10-30 part, water 15-30 part.
The invention has the beneficial effects as follows, the innoxious medicament of APS flying dust process that the present invention proposes, on the one hand by activate composition and composite phosphate acting in conjunction, activate composition passes through the reactivity activating huge sum of money ion in processing procedure, reduce the reactivity of calcium ion and magnesium ion, enable composite phosphate fully and heavy metal ion react, greatly strengthen the heavy metal chelating efficiency of composite phosphate, the entry requirement that flying dust after treatment can meet " household refuse landfill sites Environmental capacity standard " (GB16889-2008); Also have price advantage on the other hand, flying dust processing cost is cheap.
Accompanying drawing explanation
Fig. 1 is the process chart that the innoxious medicament of APS adopting the present invention to propose carries out harmless treatment.
Detailed description of the invention
A kind of incineration of refuse flyash treatment agent, by weight containing following composition: 20%-60% activate composition (Activation), 15%-50% compound phosphoric acid salt component (CompositePhosphate), 20%-50% curing molding composition (Solidification), 1%-5% auxiliary element;
Described activate composition (Activation) is by weight containing following composition: 40%-70%Ca (OH)
2, 20%-50% dodium thiosulfate, 10%-30% sodium bicarbonate;
Described compound phosphoric acid salt component (CompositePhosphate) is by weight containing following composition: 70%-90% sodium dihydrogen phosphate or sodium phosphate, 10%-30% sodium thiosulfate;
Described curing molding composition (Solidification) is portland cement;
Described auxiliary element is by weight containing following composition: the agent of 20%-40% normal dyeing, 60%-80% drier.
Fig. 1 is the process chart that the innoxious medicament of APS flying dust process adopting the present invention to propose carries out incineration of refuse flyash harmless treatment.Show in figure, when carrying out flying dust process, the innoxious medicament of admixture APS flying dust process and water in flying dust, through fully flying dust just can be sent landfill yard landfill after 24 hours-48 hours by stirring, then entrucking maintenance; Mix ratio is by weight: flying dust is 100 parts, the innoxious medicament of APS flying dust process is 10-30 part, water 15-30 part.
Experiment proves, the innoxious medicament of APS adopting the present invention to propose carries out the advantage that harmless treatment has following two faces:
(1) the process problem of high heavy metal flying dust is effectively overcome.
Existing flying dust treatment technology is difficult to overcome high content of beary metal flying dust, for plumbous (Pb), the plumbous Leaching of the original flying dust in general city is mostly at 1-5mg/L, and the industrial flourishing city of part such as Shenzhen, Suzhou are owing to containing a large amount of industrial refuse in 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 Environmental capacity standard " (GB16889-2008) plumbous Leaching index is 0.25mg/L, require more than 99% the plumbous removal efficiency of high heavy metal flying dust, the existing flying dust treatment technology of this efficiency is difficult to reach.This technology is applied to above high content of beary metal flying dust still can reach standard-required, can reach: copper 99.91% to the average removal efficiency of high heavy metal element, and plumbous 99.87%, zinc 99.96%, cadmium 99.67%.Prove that this technology is when for high heavy metal flying dust, still can maintain validity and stability.
(2) there is good economic worth (for three, Shenzhen refuse-burning plant)
Economic analysis table
Note: year flying dust amount press 8000h calculate
As shown above, adopt APS harmless treat, for South Mountain refuse-burning plant present situation, disposal cost 8,800,000 yuan can be saved every year, compare current chelating agent technology, still can save 800,000 yuan every year.For salt pan refuse-burning plant present situation, disposal cost 4,950,000 yuan can be saved every year, compare current chelating agent technology, still can save 900,000 yuan every year.For Bao'an refuse-burning plant present situation, disposal cost 1,200 ten thousand yuan can be saved every year, compare current chelating agent technology, 3,600,000 yuan can be saved every year.Three factories add up to, and compare and send 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 APS harmless treat contrasts security landfill or current chelating agent technology, all embodies good economic benefit.
Claims (2)
1. an incineration of refuse flyash treatment agent, is characterized in that, by weight containing 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 is by weight containing following composition: 40%-70%Ca (OH)
2, 20%-50% dodium thiosulfate, 10%-30% sodium bicarbonate;
Described compound phosphoric acid salt component is by weight containing following composition: 70%-90% sodium dihydrogen phosphate or sodium phosphate, 10%-30% sodium thiosulfate;
Described curing molding composition is portland cement;
Described auxiliary element is by weight containing following composition: 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 flying dust process, and admixture flying dust treatment agent and water in flying dust, through fully stirring, entrucking maintenance send landfill yard landfill after 24 hours-48 hours; Mix ratio is by weight: flying dust is 100 parts, and 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 CN102974068A (en) | 2013-03-20 |
| CN102974068B true 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) |
Families Citing this family (6)
| 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 |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN102772978A (en) * | 2012-07-06 | 2012-11-14 | 许俊 | Method for treating flying ash |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| CN102772978A (en) * | 2012-07-06 | 2012-11-14 | 许俊 | Method for treating flying ash |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014079221A1 (en) | 2014-05-30 |
| CN102974068A (en) | 2013-03-20 |
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Address after: 13 / F, Times financial center, 4001 Shennan Avenue, Futian District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Energy and environmental protection Co.,Ltd. Address before: Shenzhen Nanshan District City, Guangdong province 518052 Chang Hing No. 83 21 floor Guoxing building Patentee before: Shenzhen Energy and environmental protection Co.,Ltd. |
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Denomination of invention: A waste incineration fly ash treatment agent Effective date of registration: 20231130 Granted publication date: 20151223 Pledgee: Shenzhen Energy Finance Co.,Ltd. Pledgor: Shenzhen Energy and environmental protection Co.,Ltd. Registration number: Y2023980068515 |
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Granted publication date: 20151223 Pledgee: Shenzhen Energy Finance Co.,Ltd. Pledgor: Shenzhen Energy and environmental protection Co.,Ltd. Registration number: Y2023980068515 |