CN109465276A - Garbage power plant incinerated flying ash stabilization method - Google Patents
Garbage power plant incinerated flying ash stabilization method Download PDFInfo
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- CN109465276A CN109465276A CN201710805124.0A CN201710805124A CN109465276A CN 109465276 A CN109465276 A CN 109465276A CN 201710805124 A CN201710805124 A CN 201710805124A CN 109465276 A CN109465276 A CN 109465276A
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- Prior art keywords
- power plant
- flying ash
- garbage power
- incinerated flying
- incinerated
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000006641 stabilisation Effects 0.000 title claims abstract description 15
- 238000011105 stabilization Methods 0.000 title claims abstract description 15
- 239000007787 solid Substances 0.000 claims abstract description 25
- 239000003814 drug Substances 0.000 claims abstract description 22
- 238000005406 washing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000292 calcium oxide Substances 0.000 claims abstract description 4
- -1 hydroxide radical ion Chemical class 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 11
- 238000004090 dissolution Methods 0.000 abstract description 10
- 150000003839 salts Chemical class 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 230000018044 dehydration Effects 0.000 abstract description 2
- 238000006297 dehydration reaction Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 48
- 239000000428 dust Substances 0.000 description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical class N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000010882 bottom ash Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000010849 combustible waste Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention discloses a kind of garbage power plant incinerated flying ash stabilization method, sequentially includes material preparation step, water-washing step, filters pressing step and mixing step；Wherein, the standby garbage power plant incinerated flying ash (i.e. material preparation step) with 10~75% weight percent containing calcium oxide of the material preparation step, after the garbage power plant incinerated flying ash is washed with certain liquid-solid ratio (i.e. water-washing step), water soluble salt can be removed and reduce content of beary metal, the garbage power plant incinerated flying ash is given at a mud cake shape (filters pressing step) by filter-press dehydration by a filter press again, it will be mixed again in the garbage power plant incinerated flying ash of mud cake shape with the medicament of a strong basicity, it is reacted so that the medicament generates in whipping process with the garbage power plant incinerated flying ash, and about 35 DEG C to 80 DEG C of formation temperature of reaction and reduce heavy metal dissolution, and then reach stabilization effect, enabling the garbage power plant incinerated flying ash after stablizing, recycling uses again.
Description
Technical field
The present invention is stabilized about a kind of garbage incineration fly ash processing method, especially a kind of garbage power plant incinerated flying ash
Method.
Background technique
Combustible waste is transferred to an incineration power plant and carries out incineration process, burn into bottom ash after collecting, and reaches
Waste reduction and volume reduce effect, and the incineration exhaust gas comprising flying dust can be generated in incineration course, and the exhaust gas passes through a dust
Equipment separates exhaust gas with flying dust, and collects flying dust after receipts, which belongs to harmful cause waste, therefore to reduce the substance
Pollution, releases to avoid harmful substance in the subsequent flying dust, is usually all to be directed through after cement solidified and stabilized, then
By the bottom ash of flying dust and general cause waste after solidification, it is transported to general landfill site and is filled or stacked.
However, since the flying dust generates substantial amounts, even if possessing vast land area, if can still face soil one day
The insufficient awkward situation in ground, if for Taiwan, having level land area deficiency problem, even more for the burial site of the bottom ash and flying dust
It is less more, at the same it is cured after bottom ash and flying dust volume increase so that the volume that landfill site can accommodate tails off, therefore, such as
For fruit only depends merely on solidification, buries the progress subsequent disposition of flying dust, it has been unable to cope with existing demand, furthermore, incinerate waste institute
The flying dust of generation, for nuisance dissolution to the harmfulness of human health and living environment, increasingly to be weighed by society
Depending on how taking method appropriate, step, which being disposed, to reach stabilization, innoxious and recycling mesh
Mark is thing very urgent at present.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of garbage power plant incinerated flying ash stabilization method, can make to reduce winged
Grey water soluble salt and reduction heavy metal dissolution rate, reach stabilization effect, enable the garbage power plant incinerated flying ash after stablizing again
The secondary utilization for carrying out recycling.
Then, the present invention provides a kind of garbage power plant incinerated flying ash stabilization method, sequentially includes material preparation step, water
Wash step, filters pressing step and mixing step；Wherein, the rubbish of one 10~75% weight percent containing calcium oxide of the standby tool of the material preparation step
Rubbish power plant incinerated flying ash (i.e. material preparation step)；In addition, the water-washing step is by the garbage power plant incinerated flying ash and water with 1:2~1:20's
Liquid-solid ratio is washed, after the water soluble salt to remove the garbage power plant incinerated flying ash；The filters pressing step is again by a filter press
The garbage power plant incinerated flying ash is given into filter-press dehydration into 5~60% mud cake shape of a water content；Finally, being prepared with pH-value Jie
In 12~15.6 and hydroxide radical ion molarity between 0.01M~37.5M medicament, and by aforementioned at mud cake shape
Garbage power plant incinerated flying ash puddled with the medicament with liquid-solid ratio 0.2~1.5 so that the medicament and the rubbish during puddling
Rubbish power plant incinerated flying ash generates reaction and heats up, so that the salt in the garbage power plant incinerated flying ash is with the medicament due to this is reacted
It reduces, reaches stabilization effect whereby, the garbage power plant incinerated flying ash after enabling property to stablize carries out the utilization of recycling again.
Detailed description of the invention
Fig. 1 is a preferred embodiment of the present invention flow chart.
Fig. 2 is that a preferred embodiment of the present invention uses the electrical conductivity for washing flying dust in water-washing step with different liquid-solid ratioes.
Fig. 3 is that the fly-ash heavy metal after a preferred embodiment of the present invention Chinese medicine is stabilized according to different liquid-solid ratioes stabilizes knot
Fruit.
Fig. 4 is in a preferred embodiment of the present invention with treated stability and intensity test result.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect refer to the preferable reality of schema in following cooperation
Apply the detailed description of example.
Refering to fig. 1, a kind of garbage power plant incinerated flying ash stabilization method of the present invention, it includes have material preparation step, washing step
Suddenly, filters pressing step, mixing step；Wherein, which has the rubbish electricity of 10~75% weight percent containing calcium oxide
Factory's incinerated flying ash, and the garbage power plant incinerated flying ash can be the incinerated flying ash or fluidized bed garbage power plant of grate furnace garbage power plant
Factory's incinerated flying ash etc. of rubbish electricity, and aforementioned its element of grate furnace garbage power plant incinerated flying ash forms: calcium oxide (CaO) is attached most importance to
Measure the 20~75% of percentage；Aluminium oxide (Al2O3) be weight percentage 0~30%；Silica (SiO2) is weight percent
The 0~30% of ratio, toxic heavy metal element content are 300~10000ppm；In addition, its yuan of the fluidized bed garbage power plant incinerated flying ash
Element composition: calcium oxide (CaO) be weight percentage 10~50%；Aluminium oxide (Al2O3) be weight percentage 0~20%；
Silica (SiO2) be weight percentage 0~40%, toxic heavy metal element content be 300~10000ppm.
Still continue it is aforementioned, the water-washing step be then by the garbage power plant incinerated flying ash and water with the liquid-solid ratio of 1:2 to 1:20 into
After row washing, so that the water soluble salt in the garbage power plant incinerated flying ash is reduced through washing, while can also be by part
Heavy metal, which is washed, to be taken out of, and to be washed as the garbage power plant incinerated flying ash with water with how many liquid-solid ratio, can be according to
Water soluble salt content number in power plant's incinerated flying ash is adjusted；In addition, the filters pressing step passes through a filter press for the rubbish
Power plant's incinerated flying ash is dehydrated, and its moisture content is controllably formed in 5~60%, and the garbage power plant incinerated flying ash is pressed into one
Mud cake shape；Finally, the mixing step is prepared with a pH-value between 12~15.6 and hydroxide radical ion molarity is situated between
In the medicament of 0.01M~37.5M (i.e. M: molarity), and the medicament and the garbage power plant incinerated flying ash are with liquid-solid ratio
0.2~1.5 is puddled, to generate temperature about by the chemical reaction of the medicament and the garbage power plant incinerated flying ash whipping process
35 DEG C to 80 DEG C, so that contained salt is reacted with the highly basic in the garbage power plant incinerated flying ash, such as the medicament is with hydrogen-oxygen
When for change sodium, the ammonia salt in the garbage power plant incinerated flying ash is reacted with sodium hydroxide generates ammonium hydroxide and due to temperature increases
Ammonia is discharged, heavy metal dusts contained by the garbage power plant incinerated flying ash, which will generate to react with sodium hydroxide, generates a high temperature i.e. huge sum of money
Belong to hydroxide and hydrogen is discharged, discharge part ammonia may make that water-soluble substances are reduced for subsequent applications in flying dust, harmful
Heavy metal forms hydroxide, and reduces its interior heavy metal dissolution rate, in this way, the garbage power plant that will can form a stability property
Incinerated flying ash makes the flying dust not be only capable of solidification limited and bury, can more form again and again production-goods source material more and can carry out extensively using.
And it is illustrated below the present embodiment with several experimental examples:
Referring to Fig.2, experimental example one, in the present embodiment the garbage power plant incinerated flying ash by taking fluidized bed incinerated flying ash as an example,
With different liquid-solid ratioes washed as a result, will judge whether content water soluble salt has reduction, such as Fig. 2 in it with electrical conductivity
It is shown, when being washed with more water, it can be seen that the electrical conductivity is lower, therefore it can confirm and can tentatively first should via water-washing step
Water soluble salt in power plant's incinerated flying ash reduces, and is handled so that benefit is subsequent.
Refering to Fig. 3, the garbage power plant incinerated flying ash in mixing step of experimental example two is solid with different mixed liquors with medicament
Than, and with Taiwan " toxicity characteristic dissolution test (abbreviation TCLP) ", detect harmful heavy metal Cd, Cr contained in it, Cu,
Pb, Ni, Zn, As, Hg dissolution rate；When being not added with medicament (liquid-solid ratio 0), and when being added to 1.9, poisonous metal dissolution out of the ordinary
Rate result is detected.
Still continue aforementioned, will take basic agent as pH is 15.31 as shown in Figure 3, and in this experimental example, and the rubbish
When power plant's incinerated flying ash and medicament with liquid-solid ratio are 1:0.2, when being not added with medicament, Cd 5.62ppm, Cr are
3.15ppm, Cu 16.45ppm, Pb 7.12ppm, Ni 10ppm, Zn 43.15ppm；It and is 1:0.8 mixing with liquid-solid ratio
When, only remaining Cd is 0.016ppm, Cr 0.347ppm；In addition, only remaining Cr is 0.218ppm when being again 1:1.4 with liquid-solid ratio, because
This can make harmful heavy metal dissolve out reduction really through within the scope of the liquid-solid ratio；In addition, if by liquid-solid ratio with 1:1.9 when, though
The dissolution rate that Cr is 0.015ppm can be so reduced again, but due to will cause the dissolution that Pb is 0.91ppm and Zn is 2.26ppm
Rate, therefore, the liquid-solid ratio of optimum range are that the dissolution rate of whole poisonous metal can be effectively reduced between 0.2~1.5.
Refering to Fig. 4, the then stability test of the garbage power plant incinerated flying ash, with ASTMC109 specification and the garbage power plant
Incinerated flying ash replace 10% cement, test its stability and compression strength, when the garbage power plant incinerated flying ash without with the medicine
When agent is handled, the solid of solidification will be damaged because of expansion, highly unstable and can not measure its compression strength；In addition, through steady
After determining processing, it is resulting garbage power plant incinerated flying ash when 1:0.2 is mixed with liquid-solid ratio, will not be damaged because of expansion, and
And it is able to smoothly measure its compression strength to be about 150kgf/cm2；Furthermore then when being that 1:1.4 is mixed with liquid-solid ratio, resulting rubbish
Rubbish power plant incinerated flying ash, compression strength are about 265kgf/cm2It will be best, and when being that 1:1.9 is mixed with liquid-solid ratio,
Compression strength is reduced to about 185kgf/cm instead2；Accordingly, the mud cake after the water-washing step, and with liquid-solid ratio for 1:0.2 to 1.4
When mixing, in compression strength when no matter being poisonous metal dissolution rate and subsequent use, all there is certain excellent table
It is existing, can ensure that the garbage power plant incinerated flying ash can again recycling the effect of.
Aforementioned, garbage power plant incinerated flying ash stabilization method of the present invention is concluded, sequentially by water-washing step, filters pressing step
And mixing step etc., make the garbage power plant incinerated flying ash by after the mud cake of washing and one moisture content 5~60% of filters pressing, with one
PH-value is between 12~15.6 and hydroxide radical ion molarity is between the medicament of 0.01M~37.5M, makes aforementioned processing
After the garbage power plant incinerated flying ash is mixed with the medicament with liquid-solid ratio 0.2~1.5 afterwards, the medicament and the garbage power plant incinerated flying ash
Reaction is generated in whipping process and forms high temperature, reaches the stabilization effect of exhaust and ammonia excretion, makes the garbage power plant after stablizing
Incinerated flying ash can again recycling the effect of.
The foregoing is merely presently preferred embodiments of the present invention is illustrated, cannot be limited the scope of implementation of the present invention with this,
I.e. according to simple equivalent changes and modifications made by the present patent application claims and description of the invention content, this should still belong to
In the range of patent of invention covers.
Claims (3)
1. a kind of garbage power plant incinerated flying ash stabilization method, which is characterized in that include the following steps:
One material preparation step has the garbage power plant incinerated flying ash of 10~75% weight percent containing calcium oxide；
One water-washing step washes the garbage power plant incinerated flying ash with the liquid-solid ratio of 1:2 to 1:20；
This is pressed into the mud cake of moisture content 5~60% by the garbage power plant incinerated flying ash by a filter press by one filters pressing step
Shape；And
One mixing step, purchased a pH-value between 12~15.6 and hydroxide radical ion molarity between
The medicament of 0.01M~37.5M, by the garbage power plant incinerated flying ash after the medicament and the processing with the progress of 0.2~1.5 liquid-solid ratio
It puddles, to generate high temperature by the chemical reaction of the medicament and the garbage power plant incinerated flying ash whipping process and gas be discharged, with
Form the garbage power plant incinerated flying ash of a stability property.
2. garbage power plant incinerated flying ash stabilization method according to claim 1, which is characterized in that wherein, the garbage power plant
Incinerated flying ash is the incinerated flying ash of grate furnace garbage power plant.
3. garbage power plant incinerated flying ash stabilization method according to claim 1, which is characterized in that wherein, the garbage power plant
Incinerated flying ash is the incinerated flying ash of fluidized bed garbage power plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805124.0A CN109465276A (en) | 2017-09-08 | 2017-09-08 | Garbage power plant incinerated flying ash stabilization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805124.0A CN109465276A (en) | 2017-09-08 | 2017-09-08 | Garbage power plant incinerated flying ash stabilization method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109465276A true CN109465276A (en) | 2019-03-15 |
Family
ID=65658090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710805124.0A Pending CN109465276A (en) | 2017-09-08 | 2017-09-08 | Garbage power plant incinerated flying ash stabilization method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109465276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160553A (en) * | 2021-10-25 | 2022-03-11 | 北京工业大学 | Method for improving mercury removal rate of household garbage incineration fly ash |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482335B1 (en) * | 1990-10-22 | 1994-09-07 | Von Roll Ag | Method for treating fly ash |
| CN1947872A (en) * | 2006-11-09 | 2007-04-18 | 上海大学 | Water washing pretreatment method for making fly-ash from incineration harmless |
| CN101182144A (en) * | 2007-11-21 | 2008-05-21 | 清华大学 | Cement kiln calcining resource method for domestic waste burning fly ash |
| CN101575183A (en) * | 2008-05-09 | 2009-11-11 | 国宾大地环保事业股份有限公司 | Processing method of incinerated flying ash |
| CN102060456A (en) * | 2010-11-22 | 2011-05-18 | 同济大学 | Method for solidifying waste incineration fly ash into high-strength materials |
| CN105536687A (en) * | 2015-12-25 | 2016-05-04 | 华中科技大学 | Multi-pollutant synergic removing adsorbent and preparing method thereof |
| CN106032302A (en) * | 2016-06-16 | 2016-10-19 | 浙江富春江环保热电股份有限公司 | Waste incineration fly ash washing wastewater treatment method |
-
2017
- 2017-09-08 CN CN201710805124.0A patent/CN109465276A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482335B1 (en) * | 1990-10-22 | 1994-09-07 | Von Roll Ag | Method for treating fly ash |
| CN1947872A (en) * | 2006-11-09 | 2007-04-18 | 上海大学 | Water washing pretreatment method for making fly-ash from incineration harmless |
| CN101182144A (en) * | 2007-11-21 | 2008-05-21 | 清华大学 | Cement kiln calcining resource method for domestic waste burning fly ash |
| CN101575183A (en) * | 2008-05-09 | 2009-11-11 | 国宾大地环保事业股份有限公司 | Processing method of incinerated flying ash |
| CN102060456A (en) * | 2010-11-22 | 2011-05-18 | 同济大学 | Method for solidifying waste incineration fly ash into high-strength materials |
| CN105536687A (en) * | 2015-12-25 | 2016-05-04 | 华中科技大学 | Multi-pollutant synergic removing adsorbent and preparing method thereof |
| CN106032302A (en) * | 2016-06-16 | 2016-10-19 | 浙江富春江环保热电股份有限公司 | Waste incineration fly ash washing wastewater treatment method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160553A (en) * | 2021-10-25 | 2022-03-11 | 北京工业大学 | Method for improving mercury removal rate of household garbage incineration fly ash |
| CN114160553B (en) * | 2021-10-25 | 2022-07-29 | 北京工业大学 | Method for improving mercury removal rate of household garbage incineration fly ash |
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