CN104492024A - Fly ash treatment method for waste incineration - Google Patents
Fly ash treatment method for waste incineration Download PDFInfo
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- CN104492024A CN104492024A CN201410796490.0A CN201410796490A CN104492024A CN 104492024 A CN104492024 A CN 104492024A CN 201410796490 A CN201410796490 A CN 201410796490A CN 104492024 A CN104492024 A CN 104492024A
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- incineration
- fly ash
- mortar
- hydrogen phosphate
- refuse flyash
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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
Abstract
The invention discloses a fly ash treatment method for waste incineration and belongs to the technical field of environmental engineering. According to the treatment method, heavy metals such as Pb, Zn, Cd, Hg, Cu and the like in fly ash are converted into insoluble compounds by adding organic sulfur TMT15 into the waste incineration fly ash, so that the waste incineration fly ash is stabilized. By adopting calcium oxide and disodium hydrogen phosphate, the waste incineration fly ash is cured by forming a compact netted binder, so that the strength of the fly ash solidified body is improved and the pollutants in the fly ash are passivated; fly ash mortar is stabilized by using ferric chloride, and release of phosphorus in the fly ash solidified body is reduced by forming a phosphorous-iron stable compound. According to the method for solidifying and stabilizing the waste incineration fly ash, the environmental risk of the pollutants in the fly ash is reduced, and the capacity of the fly ash resisting environmental corrosion is enhanced; and the treatment method has the characteristics of good treatment effect, no secondary pollution, low cost and the like.
Description
Technical field
The invention discloses a kind of flyash treatment method for waste incineration, belong to field of environment engineering technology.
Background technology
In recent years, due to consumer waste incineration process have that minimizing is large, resource utilization high and more and more receiving publicity.But can produce poison gas, end slag and flying dust in incineration treatment of garbage process, this also constrains applying of this technology.Therefore, Pollution in Municipal Solid Waste Incineration is controlled to the focus in order to field of environment engineering research.For incineration of refuse flyash, its output is approximately the 2%-5% of house refuse quality, not only containing Pb, Hg, Cu in flying dust, Cd, the heavy metal contaminants of the high concentrations such as Zn, Ni and Cr, also containing organic pollutions such as bioxin, therefore, incineration of refuse flyash is put into danger wastes register (HW18).Incineration of refuse flyash has extremely strong teratogenesis and carcinogenic toxicity, once arbitrarily be discharged in environment, its harmfulness is self-evident.
At present, the innoxious process for treating of incineration of refuse flyash has melting/glass solidification, cement solidification, chemically stable method, acid or other solvent wash method etc.Curing/stabilizing technology has the advantages such as simple to operate, treatment effect good, cost is low because of it, has become the processing method more generally adopted in the world.Flyash curing body landfill stabilization will become the most effective disposal options between years ahead, but will through harmless treatment before carrying out final disposal to it, enter field condition to meet landfill yard to flying dust.Because the Environmental capacity condition of landfill yard to flying dust admission is higher, the leaching concentration higher limit being 0.25ppm, As the leaching concentration higher limit of Pb in clear stipulaties flying dust in GB16889 is 0.3ppm, and this proposes higher requirement to flying dust treatment technology.And existing incineration of refuse flyash solidification and stabilization treatment technology technique backwardness relatively, solidify stable pharmaceutical costliness and contaminated environment, result in incineration of refuse flyash solidification and stabilization poor processing effect, cost is high, secondary pollution and environmental risk are given prominence to.As China Patent No. ZL 201110032473.6, publication date on 09 07th, 2011, disclose the patent document that a name is called the consolidation method of incineration of refuse flyash consolidating agent and incineration of refuse flyash, this invention has the advantage of the Leaching Heavy Metals reduced in flying dust.But the performance of pitch can be reduced when reality uses, still have a small amount of heavy metal generation seepage on the other hand, cause secondary pollution.
Summary of the invention
For above-mentioned existing problems, the object of the present invention is to provide a kind of flyash treatment method for waste incineration, the method has the advantages such as good, the with low cost and non-secondary pollution for the treatment of effect, and to achieve these goals, its technical solution is:
A kind of flyash treatment method for waste incineration, described processing method is carried out according to following steps:
A) stabilization processes of incineration of refuse flyash
Be to mix at 2: 1 in mass ratio by incineration of refuse flyash and water, mortar is formed after stirring, organic sulfur TMT15 is added in mortar, the mass ratio of organic sulfur TMT15 and incineration of refuse flyash is 2%-5%, stir 10 minutes, under the effect of organic sulfur TMT15, the heavy metal in flying dust changes into the compound of slightly solubility, makes the heavy metal passivation in flying dust;
B) the solidification process of incineration of refuse flyash
Sodium hydrogen phosphate and calcium oxide is added in the mortar after stabilization processes, the mol ratio of sodium hydrogen phosphate and calcium oxide is 1: 1, the mixing quality of sodium hydrogen phosphate and calcium oxide is the 10%-30% of incineration of refuse flyash quality, stir 10 minutes, under the effect of sodium hydrogen phosphate and calcium oxide, the intensity of flying dust increases, and infiltration coefficient reduces, and makes the heavy metal in flying dust lose animal migration;
C) stabilization processes of incineration of refuse flyash mortar
In the mortar after solidification process, add iron chloride, the mol ratio of iron chloride and sodium hydrogen phosphate is 1: 5, uniform stirring 5 minutes, maintenance 3-7 days under normal temperature, 95% damp condition, makes mortar form firming body.
Described water is the one of running water or river.
Owing to have employed above technical scheme, a kind of flyash treatment method for waste incineration of the present invention, by adding organic sulfur TMT15, make the Pb in flying dust, Zn, Cd, Hg, the heavy metals such as Cu change into the compound of slightly solubility, thus realize the stabilisation of incineration of refuse flyash, reduce the release of pollutant in flying dust, adopt calcium oxide and sodium hydrogen phosphate, the solidification of incineration of refuse flyash is realized by forming fine and close netted cement, not only there is package action to pollutant in flying dust, make the passivation of flying dust pollutant, and by improving the intensity of flyash curing body, enhance the ability that flying dust environment resistant corrodes, simultaneously, calcium oxide can form precipitation with the As in flying dust, sodium hydrogen phosphate can with the Pb in flying dust, Cd etc. form precipitation, again achieve the stabilisation of pollutant in flying dust, iron chloride is adopted to carry out stabilisation to flying dust mortar, by forming the stable compound of ferrophosphorus, make the phosphor passivation in flyash curing body, reduce Phosphurus release to the pollution of environment, simultaneously, iron can form precipitation with the As in flying dust, achieve the stable of As in flying dust.The method is by being cured stabilization processes to incineration of refuse flyash, reduce the environmental risk of pollutant in flying dust, enhance the ability that flying dust environment resistant corrodes, repeatedly stabilisation ensure that treatment effect, and the method has that treatment effect is good, non-secondary pollution and the feature such as with low cost.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained in further detail:
A kind of flyash treatment method for waste incineration, described processing method is carried out according to following steps:
A) stabilization processes of incineration of refuse flyash
Be to mix at 2: 1 in mass ratio by incineration of refuse flyash and water, water is the one of running water or river, mortar is formed after stirring, organic sulfur TMT15 is added in mortar, according to the content of heavy metal in incineration of refuse flyash, the mass ratio of organic sulfur TMT15 and incineration of refuse flyash is 2%-5%, stir 10 minutes, heavy metal contaminants in incineration of refuse flyash and organic sulfur TMT15 are fully reacted, under the effect of organic sulfur TMT15, heavy metal in flying dust changes into the compound of slightly solubility, make the heavy metal passivation in flying dust, change the activity of heavy metal in flying dust, reduce its animal migration, realize the stabilisation of incineration of refuse flyash,
B) the solidification process of incineration of refuse flyash
Sodium hydrogen phosphate and calcium oxide is added in the mortar after stabilization processes, the mol ratio of sodium hydrogen phosphate and calcium oxide is 1: 1, sodium hydrogen phosphate and calcium oxide reaction generate the sodium phosphate calcium gelling with fine and close grid, incineration of refuse flyash hole is reduced, intensity increases, realize the parcel to pollutant in flying dust, reduce the release risk of pollutant, flyash curing physical efficiency is at extreme environment (high pressure, high temperature, acid rain etc.) in maintaining a long-term stability property, according to requirement of strength, the mixing quality of sodium hydrogen phosphate and calcium oxide is the 10%-30% of incineration of refuse flyash quality, stir 10 minutes, sodium hydrogen phosphate and calcium oxide are fully reacted, realize the solidification to incineration of refuse flyash.Meanwhile, sodium hydrogen phosphate can generate calcium phosphate precipitation with the reaction of the heavy metal such as Pb, Cd in incineration of refuse flyash, and calcium oxide can generate calcium arsenic precipitation with the heavy metal reaction such as As, while realizing incineration of refuse flyash solidification, also achieves the stabilisation of flying dust;
C) stabilization processes of incineration of refuse flyash mortar
Iron chloride is added in the incineration of refuse flyash mortar after overcuring process, the mol ratio of iron chloride and sodium hydrogen phosphate is 1: 5, ferro element in iron chloride can with the P elements reaction in mortar, generate stable ferro-phosphorus, reduce the pollution of release to environment of phosphorus in flyash curing body, this technology is made not have secondary pollution risk, uniform stirring 5 minutes, react fully, by incineration of refuse flyash mortar maintenance 3-7 days under normal temperature, 95% damp condition, form incineration of refuse flyash firming body, landfill stabilization can be carried out to this flyash curing body.
Concrete case study on implementation
Be described in further detail below in conjunction with relevant case study on implementation:
Case study on implementation 1
The present embodiment takes incineration of refuse flyash 500g, takes running water 250g, forms incineration of refuse flyash mortar after stirring, and adds organic sulfur TMT15 in mortar, because content of beary metal in flying dust is higher (as Pb:1600mg/kg; As:650mg/kg; Cd:380mg/kg), the quality of organic sulfur TMT15 is 25g, stir 10 minutes, sodium hydrogen phosphate and calcium oxide is added in the mortar after stabilization processes, the mol ratio of sodium hydrogen phosphate and calcium oxide is 1: 1, the quality of sodium hydrogen phosphate and calcium oxide and be 150g, stir 10 minutes, iron chloride is added in the mortar after solidification process, the mol ratio of iron chloride and sodium hydrogen phosphate is 1: 5, uniform stirring 5 minutes, is placed in plastics grinding tool by incineration of refuse flyash mortar, and maintenance 7 days under normal temperature, 95% damp condition.Carry out compression strength and leaching toxicity test to flyash curing body, compression strength adopts universal testing machine, and Leaching adopts " solid waste Leaching leaching method hac buffer method " (HJ/T300-2007) standard.Each test result is in table 1, and heavy metal contaminants leaching concentration all meets the requirement of GB16889.
Embodiment 1 incineration of refuse flyash firming body result of the test table 1
Case study on implementation 2
The present embodiment takes incineration of refuse flyash 500g, takes running water 250g, forms incineration of refuse flyash mortar after stirring, and adds organic sulfur TMT15 in mortar, because content of beary metal in flying dust is lower (as Pb:530mg/kg; As:150mg/kg; Cd:97mg/kg), the quality of organic sulfur TMT15 is 10g, stir 10 minutes, sodium hydrogen phosphate and calcium oxide is added in the mortar after stabilization processes, the mol ratio of sodium hydrogen phosphate and calcium oxide is 1: 1, the quality of sodium hydrogen phosphate and calcium oxide and be 50g, stir 10 minutes, iron chloride is added in the mortar after solidification process, the mol ratio of iron chloride and sodium hydrogen phosphate is 1: 5, uniform stirring 5 minutes, is placed in plastics grinding tool by incineration of refuse flyash mortar, and maintenance 3 days under normal temperature, 95% damp condition.Carry out compression strength and leaching toxicity test to flyash curing body, compression strength adopts universal testing machine, and Leaching adopts " solid waste Leaching leaching method hac buffer method " (HJ/T300-2007) standard.Each test result is in table 2, and heavy metal contaminants leaching concentration all meets the requirement of GB16889.
Embodiment 2 incineration of refuse flyash firming body result of the test table 2
Case study on implementation 3
The present embodiment takes incineration of refuse flyash 500g, takes running water 250g, forms incineration of refuse flyash mortar after stirring, and adds organic sulfur TMT15 in mortar, because content of beary metal in flying dust is general (as Pb:1200mg/kg; As:350mg/kg; Cd:240mg/kg), the quality of organic sulfur TMT15 is 15g, stir 10 minutes, sodium hydrogen phosphate and calcium oxide is added in the mortar after stabilization processes, the mol ratio of sodium hydrogen phosphate and calcium oxide is 1: 1, the quality of sodium hydrogen phosphate and calcium oxide and be 100g, stir 10 minutes, iron chloride is added in the mortar after solidification process, the mol ratio of iron chloride and sodium hydrogen phosphate is 1: 5, uniform stirring 5 minutes, is placed in plastics grinding tool by incineration of refuse flyash mortar, and maintenance 5 days under normal temperature, 95% damp condition.Carry out compression strength and leaching toxicity test to flyash curing body, compression strength adopts universal testing machine, and Leaching adopts " solid waste Leaching leaching method hac buffer method " (HJ/T300-2007) standard.Each test result is in table 3, and heavy metal contaminants leaching concentration all meets the requirement of GB16889.
Embodiment 3 incineration of refuse flyash firming body result of the test table 3
Claims (2)
1. a flyash treatment method for waste incineration, is characterized in that: described processing method is carried out according to following steps:
A) stabilization processes of incineration of refuse flyash
Be to mix at 2: 1 in mass ratio by incineration of refuse flyash and water, mortar is formed after stirring, organic sulfur TMT15 is added in mortar, the mass ratio of organic sulfur TMT15 and incineration of refuse flyash is 2%-5%, stir 10 minutes, under the effect of organic sulfur TMT15, the heavy metal in flying dust changes into the compound of slightly solubility, makes the heavy metal passivation in flying dust;
B) the solidification process of incineration of refuse flyash
Sodium hydrogen phosphate and calcium oxide is added in the mortar after stabilization processes, the mol ratio of sodium hydrogen phosphate and calcium oxide is 1: 1, the mixing quality of sodium hydrogen phosphate and calcium oxide is the 10%-30% of incineration of refuse flyash quality, stir 10 minutes, under the effect of sodium hydrogen phosphate and calcium oxide, the intensity of flying dust increases, and infiltration coefficient reduces, and makes the heavy metal in flying dust lose animal migration;
C) stabilization processes of incineration of refuse flyash mortar
In the mortar after overcuring process, add iron chloride, the mol ratio of iron chloride and sodium hydrogen phosphate is 1: 5, uniform stirring 5 minutes, maintenance 3-7 days under normal temperature, 95% damp condition, makes mortar form firming body.
2. a kind of flyash treatment method for waste incineration as claimed in claim 1, is characterized in that: described water is the one of running water or river.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336871A (en) * | 2016-03-03 | 2017-01-18 | 福建洋屿环保科技股份有限公司 | Method for preparing soil conditioner by compounding waste incineration fly ash with sludge |
| CN106522404A (en) * | 2016-10-17 | 2017-03-22 | 江苏工程职业技术学院 | Energy-saving type fiber reinforced foam concrete sandwich plate wall and preparation method thereof |
| CN106621169A (en) * | 2016-12-30 | 2017-05-10 | 深圳市能源环保有限公司 | Waste incineration fly ash stabilization chemical and preparing method thereof |
| CN106995682A (en) * | 2017-02-15 | 2017-08-01 | 长安大学 | A kind of utilization incineration of refuse flyash prepares the method and device of Road Snow Agent |
| CN108014444A (en) * | 2018-01-24 | 2018-05-11 | 东莞市升佳净水材料有限公司 | A kind of flying dust chelating agent and preparation method thereof |
| CN106436677B (en) * | 2016-09-29 | 2019-02-22 | 江苏工程职业技术学院 | A kind of energy-saving Change and fill groundsill construction method |
| CN109663795A (en) * | 2019-01-17 | 2019-04-23 | 四川正升环保科技有限公司 | Closure of landfill site structure sheaf and closing method |
| CN111957711A (en) * | 2020-07-09 | 2020-11-20 | 浙江大学 | Method for efficiently solidifying waste incineration fly ash based on inorganic oligomer polymerization reaction |
| CN114393028A (en) * | 2022-02-15 | 2022-04-26 | 常熟理工学院 | Method for realizing self-solidification of arsenic-polluted soil by utilizing waste incineration fly ash |
| CN114789187A (en) * | 2022-04-27 | 2022-07-26 | 江山市虎鼎环保科技有限公司 | Landfill solidified fly ash washing system and method |
| CN116421923A (en) * | 2023-04-12 | 2023-07-14 | 江阴市月城昇利生物科技有限公司 | Preparation method of incineration fly ash treated glucohept composite liquid |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09192626A (en) * | 1996-01-17 | 1997-07-29 | Japan Carlit Co Ltd:The | Treatment of incinerator ash |
| JPH10146577A (en) * | 1996-09-20 | 1998-06-02 | Nippon Kayaku Co Ltd | Treating agent for heavy metal-containing waste and stabilizing treating method of heavy metal-containing waste |
| JPH10156315A (en) * | 1996-10-04 | 1998-06-16 | Nippon Kayaku Co Ltd | Treating agent for heavy metal-containing waste and stabilizing treatment of heavy metal-containing waste |
| CN101690934A (en) * | 2009-10-15 | 2010-04-07 | 同济大学 | Method for stabilizing fly ash from refuse incineration by combination of complementary type medicaments |
| 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 |
| CN102335494A (en) * | 2010-07-19 | 2012-02-01 | 栗田工业株式会社 | Heavy metal stabilizing treatment method for dust containing heavy metals |
| CN102343357A (en) * | 2011-08-25 | 2012-02-08 | 上海市环境科学研究院 | Stabilizer suitable for heavy metal contaminated soil and application method thereof |
| CN103145403A (en) * | 2013-03-19 | 2013-06-12 | 南京工业大学 | Heavy metal stabilizing method in process of preparing filler by chemical sludge burning ash |
| CN104162533A (en) * | 2014-04-20 | 2014-11-26 | 四川大学 | Harmless processing method of wastes containing heavy metals |
-
2014
- 2014-12-12 CN CN201410796490.0A patent/CN104492024A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09192626A (en) * | 1996-01-17 | 1997-07-29 | Japan Carlit Co Ltd:The | Treatment of incinerator ash |
| JPH10146577A (en) * | 1996-09-20 | 1998-06-02 | Nippon Kayaku Co Ltd | Treating agent for heavy metal-containing waste and stabilizing treating method of heavy metal-containing waste |
| JPH10156315A (en) * | 1996-10-04 | 1998-06-16 | Nippon Kayaku Co Ltd | Treating agent for heavy metal-containing waste and stabilizing treatment of heavy metal-containing waste |
| CN101690934A (en) * | 2009-10-15 | 2010-04-07 | 同济大学 | Method for stabilizing fly ash from refuse incineration by combination of complementary type medicaments |
| CN102335494A (en) * | 2010-07-19 | 2012-02-01 | 栗田工业株式会社 | Heavy metal stabilizing treatment method for dust containing heavy metals |
| 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 |
| CN102343357A (en) * | 2011-08-25 | 2012-02-08 | 上海市环境科学研究院 | Stabilizer suitable for heavy metal contaminated soil and application method thereof |
| CN103145403A (en) * | 2013-03-19 | 2013-06-12 | 南京工业大学 | Heavy metal stabilizing method in process of preparing filler by chemical sludge burning ash |
| CN104162533A (en) * | 2014-04-20 | 2014-11-26 | 四川大学 | Harmless processing method of wastes containing heavy metals |
Non-Patent Citations (6)
| Title |
|---|
| 严莲荷: "《水处理药剂及配方手册（第1版）》", 31 January 2004, 中国石化出版社 * |
| 李华等: "危险废物焚烧飞灰中重金属的稳定化处理", 《环境工程学报》 * |
| 许晓海等: "《耐火材料技术手册（第1版）》", 31 January 2000, 冶金工业出版社 * |
| 郝汉舟等: "重金属污染土壤稳定/固化修复技术研究进展", 《应用生态学报》 * |
| 龚晓南: "《复合地基理论及工程应用（第1版）》", 30 November 2002, 中国建筑工业出版社 * |
| 龚洛书: "《混凝土实用手册（第二版）》", 30 May 1995, 中国建筑工业出版社 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336871A (en) * | 2016-03-03 | 2017-01-18 | 福建洋屿环保科技股份有限公司 | Method for preparing soil conditioner by compounding waste incineration fly ash with sludge |
| CN106436677B (en) * | 2016-09-29 | 2019-02-22 | 江苏工程职业技术学院 | A kind of energy-saving Change and fill groundsill construction method |
| CN106522404A (en) * | 2016-10-17 | 2017-03-22 | 江苏工程职业技术学院 | Energy-saving type fiber reinforced foam concrete sandwich plate wall and preparation method thereof |
| CN106621169A (en) * | 2016-12-30 | 2017-05-10 | 深圳市能源环保有限公司 | Waste incineration fly ash stabilization chemical and preparing method thereof |
| CN106995682A (en) * | 2017-02-15 | 2017-08-01 | 长安大学 | A kind of utilization incineration of refuse flyash prepares the method and device of Road Snow Agent |
| CN108014444A (en) * | 2018-01-24 | 2018-05-11 | 东莞市升佳净水材料有限公司 | A kind of flying dust chelating agent and preparation method thereof |
| CN109663795A (en) * | 2019-01-17 | 2019-04-23 | 四川正升环保科技有限公司 | Closure of landfill site structure sheaf and closing method |
| CN111957711A (en) * | 2020-07-09 | 2020-11-20 | 浙江大学 | Method for efficiently solidifying waste incineration fly ash based on inorganic oligomer polymerization reaction |
| CN114393028A (en) * | 2022-02-15 | 2022-04-26 | 常熟理工学院 | Method for realizing self-solidification of arsenic-polluted soil by utilizing waste incineration fly ash |
| CN114789187A (en) * | 2022-04-27 | 2022-07-26 | 江山市虎鼎环保科技有限公司 | Landfill solidified fly ash washing system and method |
| CN116421923A (en) * | 2023-04-12 | 2023-07-14 | 江阴市月城昇利生物科技有限公司 | Preparation method of incineration fly ash treated glucohept composite liquid |
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