CN106680054A - Waste incineration fly ash chelate leach liquor and preparation and application method thereof - Google Patents
Waste incineration fly ash chelate leach liquor and preparation and application method thereof Download PDFInfo
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- CN106680054A CN106680054A CN201710079458.4A CN201710079458A CN106680054A CN 106680054 A CN106680054 A CN 106680054A CN 201710079458 A CN201710079458 A CN 201710079458A CN 106680054 A CN106680054 A CN 106680054A
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- deionized water
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- lixiviating solution
- glacial acetic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The invention discloses waste incineration fly ash chelate leach liquor and a preparation and application method thereof. The leach liquor comprises components such as sulfuric acid, glacial acetic acid, boric acid and deionized water. The preparation method comprises the following steps: 1, weighing 0.2-1.2mg of the boric acid, and performing dilution and dissolution by using 200ml of the deionized water for later use; 2, moving 0.5-1.5ml of the glacial acetic acid (concentration: 99.5%), and then performing dilution by using 200ml of the deionized water for later use; 3, measuring 1,580-1,590ml of the deionized water by using a measuring cylinder, pouring the deionized water into a beaker, measuring 10-20ml of concentrated sulfuric acid (concentration: 98%) by using the measuring cylinder, pouring the concentrated sulfuric acid into the beaker, performing continuous stirring by using a glass rod, and cooling for later use; 4, slowly adding solutions prepared in the steps 2 and 3 into the beaker in the step 1, performing uniform stirring and cooling, and then moving into a volumetric flask for later use. Meanwhile, the invention also provides a fly ash chelate toxicity leaching method using the leach liquor. The daily detection efficiency of a large batch of samples can be improved, and a pretreatment method is provided for an online monitoring technology, thus making online monitoring possible.
Description
Technical field
The present invention relates to a kind of garbage burning factory solid waste digestion agent, more particularly, to a kind of incineration of refuse flyash chelating
Thing lixiviating solution and its application and preparation method.
Background technology
Conventional garbage incineration plant typically carries out stabilizing treatment using inorganic or organic medicament to flying dust, the flying dust after process
Chelate need to daily carry out the Leaching detection of multiple samples, reach《Consumer waste filling and embedding Environmental capacity standard》(GB16889-
2008) consumer waste filling and embedding factory landfill can be sent into after requiring.GB16889-2008 regulation flying dust chelate Leachings should be adopted
Upper machine testing after pretreatment, but the single sample of the preprocess method are carried out with hac buffer method (HJ/T 300-2007) method
Product need to take 18~20h, because pretreatment time is long, therefore not possess on-line monitoring condition.
The content of the invention
In order to solve the problems, such as prior art, the present invention provides a kind of fast and accurately preprocess method, improves every
Its batch samples detection efficiency, for on-line monitoring technique preposition preprocess method is provided, and is possibly realized on-line monitoring.
The technical scheme that solve problem of the present invention is adopted is, a kind of incineration of refuse flyash chelate lixiviating solution, its feature
It is, by sulphuric acid, glacial acetic acid, boric acid and deionized water etc. into being grouped into, with mol ratio calculating, wherein sulphuric acid, glacial acetic acid, boric acid point
It is not with the mol ratio of deionized water：
Sulphuric acid：Deionized water=0.138：1
Glacial acetic acid：Deionized water=0.013：1
Boric acid：Deionization=0.012：1
The technical scheme that solve problem of the present invention is adopted is, a kind of preparation side of incineration of refuse flyash chelate lixiviating solution
Method, is characterized in that, comprise the steps：
1st step, weighs boric acid 0.2-1.2mg, is then dissolved with the dilution of 200ml deionized waters, standby.
2nd step, pipettes glacial acetic acid 0.5-1.5ml (concentration 99.5%), is then diluted with 200ml deionized waters, standby.
3rd step, graduated cylinder measures 1580-1590ml deionized waters, in pouring beaker into, then measures the dense sulfur of 10-20ml with graduated cylinder
Sour (concentration 98%), concentrated sulphuric acid is injected in beaker, and is stirred continuously with Glass rod, standby after cooling；
4th step, the solution that step 2,3 prepare is slowly added to stir evenly in the beaker of step 1, and volumetric flask is moved into after cooling
In, it is standby.
A kind of flying dust chelate toxicity leach extraction method, is characterized in that, comprise the steps：
1st step, by measuring samples Jing hand breakings and crosses the screen cloth screen cloth of Teflon (apply) of 9.5mm, takes 0.5-1g sieves
Lower thing detected to quick moisture detector, determines its moisture content,
2nd step, takes 100g samples into politef (PTFE) beaker, according to the sample moisture content meter that step 1 is measured
Calculate solid phase in sample, liquid content, then with solid weight unit as kg, liquid volume per unit as L, according to solid-to-liquid ratio 1:20
Ratio calculates the volume of above-mentioned lixiviating solution, measures lixiviating solution and lixiviating solution is added in beaker, artificial quick stirring 5min；
3rd step, the beaker of step 2 is placed in constant temperature blender with magnetic force, arrange temperature be 40~70 DEG C, rotating speed be 50~
130r/min, mixing time is 1~2h.
4th step, after 0.45 μm of membrane filtration lixiviating solution is obtained.
The invention has the beneficial effects as follows：Flying dust chelate is carried out using a kind of quick digestion agent and special leaching method pre-
Process, effectively shorten the response time, pretreatment time foreshortens to 1~2h, extracting effect and hac buffer by 18~20h of original
Method (HJ/T 300-2007) method is identical, is particularly suitable for the chelating analyte detection work of high-volume flying dust, is on-line monitoring flying dust chelating
Thing Leaching creates condition.
Specific embodiment
Embodiment 1
A kind of preparation method of incineration of refuse flyash chelate lixiviating solution, is characterized in that, comprise the steps：
1st step, weighs boric acid 0.2mg, is then dissolved with the dilution of 200ml deionized waters, standby.
2nd step, pipettes glacial acetic acid 0.5ml (concentration 99.5%), is then diluted with 200ml deionized waters, standby.
3rd step, graduated cylinder measures 1580ml deionized waters, in pouring beaker into, then measures 10ml concentrated sulphuric acid (concentration with graduated cylinder
98%), concentrated sulphuric acid is injected in beaker, and is stirred continuously with Glass rod, it is standby after cooling；
4th step, is slowly added to the solution that step 2,3 prepare to stir evenly in the beaker of step 1 respectively, moves into after cooling and holds
It is standby in measuring bottle.
Embodiment 2
A kind of preparation method of incineration of refuse flyash chelate lixiviating solution, is characterized in that, comprise the steps：
1st step, weighs boric acid 0.8mg, is then dissolved with the dilution of 200ml deionized waters, standby.
2nd step, pipettes glacial acetic acid 1.0ml (concentration 99.5%), is then diluted with 200ml deionized waters, standby.
3rd step, graduated cylinder measures 1585ml deionized waters, in pouring beaker into, then measures 15ml concentrated sulphuric acid (concentration with graduated cylinder
98%), concentrated sulphuric acid is injected in beaker, and is stirred continuously with Glass rod, it is standby after cooling；
4th step, is slowly added to the solution that step 2,3 prepare to stir evenly in the beaker of step 1 respectively, moves into after cooling and holds
It is standby in measuring bottle.
Embodiment 3
A kind of preparation method of incineration of refuse flyash chelate lixiviating solution, is characterized in that, comprise the steps：
1st step, weighs boric acid 1.2mg, is then dissolved with the dilution of 200ml deionized waters, standby.
2nd step, pipettes glacial acetic acid 1.5ml (concentration 99.5%), is then diluted with 200ml deionized waters, standby.
3rd step, graduated cylinder measures 1590ml deionized waters, in pouring beaker into, then measures 20ml concentrated sulphuric acid (concentration with graduated cylinder
98%), concentrated sulphuric acid is injected in beaker, and is stirred continuously with Glass rod, it is standby after cooling；
4th step, the solution that step 2,3 prepare is slowly added to stir evenly in the beaker of step 1, and volumetric flask is moved into after cooling
In, it is standby.
Embodiment 4
A kind of flying dust chelate toxicity leach extraction method, is characterized in that, comprise the steps：
1st step, by measuring samples Jing hand breakings and crosses the screen cloth screen cloth of Teflon (apply) of 9.5mm, takes 0.5-1g sieves
Lower thing detected to quick moisture detector, determines its moisture content,
2nd step, takes 100g samples into politef (PTFE) beaker, according to the sample moisture content meter that step 1 is measured
Calculate solid phase in sample, liquid content, then with solid weight unit as kg, liquid volume per unit as L, according to solid-to-liquid ratio 1:20
Ratio calculates the volume of above-mentioned lixiviating solution, measures lixiviating solution and lixiviating solution is added in beaker, artificial quick stirring 5min；
3rd step, the beaker of step 2 is placed in constant temperature blender with magnetic force, arrange temperature be 40~70 DEG C, rotating speed be 50~
130r/min, mixing time is 1~2h.
4th step, after 0.45 μm of membrane filtration lixiviating solution is obtained.
Claims (3)
1. a kind of incineration of refuse flyash chelate lixiviating solution, is characterized in that, by sulphuric acid, glacial acetic acid, boric acid and deionized water etc. into
It is grouped into, with mol ratio calculating, wherein sulphuric acid, glacial acetic acid, boric acid are respectively with the mol ratio of deionized water：
Sulphuric acid：Deionized water=0.138：1
Glacial acetic acid：Deionized water=0.013：1
Boric acid：Deionization=0.012：1
2. a kind of preparation method of incineration of refuse flyash chelate lixiviating solution, is characterized in that, comprise the steps：
1st step, weighs boric acid 0.2-1.2mg, is then dissolved with the dilution of 200ml deionized waters, standby；
2nd step, pipettes the glacial acetic acid 0.5-1.5ml of concentration 99.5%, is then diluted with 200ml deionized waters, standby；
3rd step, graduated cylinder measures 1580-1590ml deionized waters, in pouring beaker into, then measures the concentrated sulphuric acid of concentration 98% with graduated cylinder
10-20ml, concentrated sulphuric acid is injected in beaker, and is stirred continuously with Glass rod, standby after cooling；
4th step, the solution that step 2,3 prepare is slowly added to stir evenly in the beaker of step 1, is moved into after cooling in volumetric flask,
It is standby.
3. the method that lixiviating solution described in a kind of utilization claim 1 carries out the extraction of flying dust chelate toxicity, is characterized in that, including such as
Lower step：
1st step, by measuring samples Jing hand breakings and cross 9.5mm screen cloth, take 0.5-1g siftage to quick moisture detector
Detected, determined its moisture content；
2nd step, takes 100g samples into polytetrafluoroethylene beaker, is calculated in sample according to the sample moisture content meter that step 1 is measured
Solid phase, liquid content, then with solid weight unit as kg, liquid volume per unit as L, according to solid-to-liquid ratio 1:20 ratios are calculated
The volume of lixiviating solution described in claim 1, measures lixiviating solution and lixiviating solution is added in beaker, artificial quick stirring 5min；
3rd step, the beaker of step 2 is placed in constant temperature blender with magnetic force, arrange temperature be 40~70 DEG C, rotating speed be 50~
130r/min, mixing time is 1~2h；
4th step, after 0.45 μm of membrane filtration lixiviating solution is obtained.
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| CN201710079458.4A CN106680054A (en) | 2017-02-14 | 2017-02-14 | Waste incineration fly ash chelate leach liquor and preparation and application method thereof |
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| CN201710079458.4A CN106680054A (en) | 2017-02-14 | 2017-02-14 | Waste incineration fly ash chelate leach liquor and preparation and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160756A (en) * | 2018-11-13 | 2019-01-08 | 北京建筑材料科学研究总院有限公司 | Method and its system for cement production after a kind of sub-prime by waste |
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| CN101732822A (en) * | 2008-11-04 | 2010-06-16 | 永旭环保科技股份有限公司 | Method for treating waste or soil polluted by heavy metal or dioxin |
| CN105916838A (en) * | 2013-11-15 | 2016-08-31 | 斯塔米卡邦有限公司 | An apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas |
| CN103712981A (en) * | 2013-12-11 | 2014-04-09 | 上海市建筑科学研究院(集团)有限公司 | Method for detecting content of nitrogen in denitrified fly ash |
| CN105080320A (en) * | 2014-05-13 | 2015-11-25 | 闵建华 | Pickling pretreatment method of house refuse burning fly ash |
| CN104818397A (en) * | 2015-05-19 | 2015-08-05 | 河北工程大学 | Method for extracting germanium from coal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109160756A (en) * | 2018-11-13 | 2019-01-08 | 北京建筑材料科学研究总院有限公司 | Method and its system for cement production after a kind of sub-prime by waste |
| CN109160756B (en) * | 2018-11-13 | 2023-12-19 | 北京建筑材料科学研究总院有限公司 | Method and system for producing cement by separating waste |
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