CN107050733A - A kind of stabilization agent of incineration of refuse flyash, its preparation method and its application - Google Patents
A kind of stabilization agent of incineration of refuse flyash, its preparation method and its application Download PDFInfo
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- CN107050733A CN107050733A CN201710279948.9A CN201710279948A CN107050733A CN 107050733 A CN107050733 A CN 107050733A CN 201710279948 A CN201710279948 A CN 201710279948A CN 107050733 A CN107050733 A CN 107050733A
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- Prior art keywords
- incineration
- stabilization agent
- refuse flyash
- phosphate
- water
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- 230000006641 stabilisation Effects 0.000 title claims abstract description 30
- 238000011105 stabilization Methods 0.000 title claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 27
- 239000010881 fly ash Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- WQABCVAJNWAXTE-UHFFFAOYSA-N dimercaprol Chemical compound OCC(S)CS WQABCVAJNWAXTE-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229960001051 dimercaprol Drugs 0.000 claims abstract description 15
- 229920002678 cellulose Polymers 0.000 claims abstract description 13
- 239000001913 cellulose Substances 0.000 claims abstract description 13
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 11
- 239000010452 phosphate Substances 0.000 claims abstract description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 11
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 16
- 239000002956 ash Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 229920000609 methyl cellulose Polymers 0.000 claims description 6
- -1 dimethyl cellulose Chemical compound 0.000 claims description 5
- 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 claims description 4
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 239000013067 intermediate product Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000001923 methylcellulose Substances 0.000 claims description 4
- 235000019799 monosodium phosphate Nutrition 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 4
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims description 2
- 239000001103 potassium chloride Substances 0.000 claims description 2
- 235000011164 potassium chloride Nutrition 0.000 claims description 2
- 159000000000 sodium salts Chemical group 0.000 claims description 2
- 150000003751 zinc Chemical class 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- SEGLCEQVOFDUPX-UHFFFAOYSA-N di-(2-ethylhexyl)phosphoric acid Chemical group CCCCC(CC)COP(O)(=O)OCC(CC)CCCC SEGLCEQVOFDUPX-UHFFFAOYSA-N 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 14
- 238000012545 processing Methods 0.000 abstract description 9
- 150000002500 ions Chemical class 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 3
- 239000003381 stabilizer Substances 0.000 abstract description 3
- 239000013522 chelant Substances 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000003814 drug Substances 0.000 description 7
- 235000010980 cellulose Nutrition 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 235000010981 methylcellulose Nutrition 0.000 description 5
- 235000021317 phosphate Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 3
- 239000002738 chelating agent Substances 0.000 description 3
- 239000012990 dithiocarbamate Substances 0.000 description 3
- 235000019796 monopotassium phosphate Nutrition 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N n-propyl alcohol Natural products CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 3
- 230000009920 chelation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical class [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- RQGNEYFWHWFECS-UHFFFAOYSA-N amino formate Chemical class NOC=O RQGNEYFWHWFECS-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type 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
-
- 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
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of stabilization agent of incineration of refuse flyash, its raw material components includes：Hydrocarbylthio carbaminate, dimercaprol dimercaptopropanol, cellulose, phosphate and water.The incineration of refuse flyash stabilization agent of the present invention, with advantages below：It is wider using scope suitable for the flying dust processing produced by different types of garbage incineration process, complete effecting reaction in the range of the pH value 4 14 of the aqueous solution；Chelatropic reaction occurs for heavy metal ion that can be different from incineration of refuse flyash, generates water insoluble chelate precipitation, and the reaction time is short, and removal efficiency is very high；Integrated treatment cost is low, safety non-toxic convenient and environmental-friendly to operate；Compared with domestic and international well-known like product, high using the stabilizer removal efficiency in the case of equal addition, operability is excellent, the grey cost of processing ton is greatly lowered.
Description
Technical field
The present invention relates to a kind of stabilization agent of incineration of refuse flyash, its preparation method and its application, belong at solid waste
Reason field.
Background technology
With Chinese society expanding economy, the quickening of urbanization process and the raising of people's material life, national city
City's house refuse year yield is increased up to more than 1.5 hundred million tons with annual 8%~10% speed.Waste incineration and generating electricity can
To alleviate the predicament that city refuse landfill day hastens towards saturation significantly, greatly developed in recent years in China.Rubbish was being burned
Cheng Zhong, heavy metal contained therein is relatively low due to boiling point, can enter in flue gas and finally condensation is enriched among flying dust, flying dust
If without security and stability curing process before landfill or secondary utilization, heavy metal contained therein can by rainwater or
River is dissolved, and into nature water body, soil and water source are polluted.Therefore, China puts into effect relevant laws and regulations, specification successively
The safety solidification of incineration of refuse flyash.Wherein《Household refuse landfill sites contamination control standard》With《Consumer waste incineration handles work
Journey technical specification》In to enter garbage sanitary filling field handle flying dust, bottom ash leachate content of beary metal be made that strict rule
It is fixed.
Curing technology and stabilization technology are to handle one of main path of poisonous and harmful waste in the world.Curing technology master
There are cement solidification, bitumen solidification etc., with discarded after technical maturity, the low advantage of simple to operate, processing cost, but processing
Thing increase-volume causes transport difficult and needs to take substantial amounts of landfill stabilization place than big, if after firming body weathering damage, a huge sum of money
Category has the danger of dissolution once again.Stabilization technology mainly realizes there is the stable chemical drug of inorganic and organic two class using chemical agent
Agent.The agent of inorganic stabilizers chemical drug is more commonly used, including sulfide, silicate, lime etc., it is useless after processing compared with curing technology
Gurry increase-volume very little, but when environment pH conditions change, the heavy metal in discarded object can occur to leach phenomenon because of leaching, no
The long-term safety requirement of hazardous waste processing can be met.Organic stabilized medicament development and application history is not long, the method development compared with
Fast is chelating agent heavy metal stabilization medicament, and key problem in technology is the solidification effect of chelating agent heavy metal ion, at present report
Mainly have dithiocar-bamate and its derivative, organic polyphosphoric acids and its esters and chitosan derivatives etc., can be with
Slow down in disposal thing heavy metal because environment pH changes the degree that leaches, but in flying dust heavy metal ion removal effect less
Ideal, and there are the production cost height of reagent and raw material sources, therefore, it is difficult to large-scale popularization application.
The content of the invention
For solve the deficiencies in the prior art there is provided a kind of stabilization agent of incineration of refuse flyash, its preparation method and its
Using, the application medicament can the heavy metal ion different from flying dust play good chelation, generate stable and firm complexing
Material, so as to reduce the aqueous solution leaching concentration concentration of heavy metal, reaches the target of soil protection and water resource；Preparation method has
There is the reaction time short, removal effect is good, simple production process, cost is low, easy to operate, the features such as Environmental Safety is nontoxic.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows：
A kind of stabilization agent of incineration of refuse flyash, its raw material components include：Hydrocarbylthio carbaminate, dimercapto
Propyl alcohol, cellulose, phosphate and water.
Further to improve in the removal efficiency of heavy metal, the stabilization agent of incineration of refuse flyash, hydrocarbylthio amino
Formates is 20-50 parts by weight, and dimercaprol dimercaptopropanol is 1-20 parts by weight, and cellulose is 0.1-5 parts by weight, and phosphate is 20-30
Parts by weight, water is 20-30 parts by weight.Further preferably, hydrocarbylthio carbaminate, dimercaprol dimercaptopropanol, cellulose, phosphate
Mass ratio with water is 35：10：2：25：28.
In order to further improve the hydroxyl in the stability and completeness of chelating, hydrocarbylthio carbaminate for methyl,
Dimethyl, ethyl or diethyl；Hydrocarbylthio carbaminate is sodium salt, sylvite or zinc salt.
Further to improve the removal efficiency of heavy metal, cellulose is methylcellulose, dimethyl cellulose or diethyl
At least one of base cellulose；Phosphate be potassium dihydrogen phosphate, sodium dihydrogen phosphate or 1-hydroxy ethylidene-1,1-diphosphonic acid sodium at least
It is a kind of.
The dimercaprol dimercaptopropanol, the title covered has 2,3- dimercaprol dimercaptopropanol；2,3- sulfuryl -1- propyl alcohol；2,3- bis-
Sulfydryl -1- propyl alcohol；Dimercaprol dimercaptopropanol；3- hydroxyl -1,2- dimercaptopropanes；Ba Er；Ba Er Dimercaprols etc..
The water, referring to does not influence the industrial process waters of product quality, such as running water, pure water, recycle-water.
The preparation method of the stabilization agent of above-mentioned incineration of refuse flyash, including following steps connected in order：
The first step：The water of total Water 50% is added in a kettle., under stirring, by hydrocarbylthio carbaminate
Add in reactor, charging continues to stir 30 ± 3 minutes after finishing, until being completely dissolved, obtains intermediate product solution a；
Second step：With the water of residue 50%, dimercaprol dimercaptopropanol solution is prepared, uniform liquid b is obtained.
3rd step：Intermediate product a made from the first step is mixed in a kettle. with uniform liquid b made from second step
It is even；
4th step：Methylcellulose and phosphate are added in the material obtained by step 3 successively, mixed, filtering, i.e.,
Obtain the stabilization agent of incineration of refuse flyash.
In order to further improve the drug effect of gained medicament, the mixing speed of the first step is 60-80 revs/min.
In use, the consumption of the stabilization agent of above-mentioned incineration of refuse flyash is the 1-5% of flying dust quality.
The NM technology of the present invention is with reference to prior art.
The incineration of refuse flyash stabilization agent of the present invention, with advantages below：Suitable for different types of waste incineration
Flying dust processing produced by technique, it is wider using scope, complete effecting reaction in the range of the pH value 4-14 of the aqueous solution；Energy and rubbish
Chelatropic reaction occurs for different heavy metal ion in rubbish flying ash, generates water insoluble chelate precipitation, and reaction time
Short, removal efficiency is very high；Integrated treatment cost is low, safety non-toxic convenient and environmental-friendly to operate；With domestic and international well-known like product ratio
Compared with high using the stabilizer removal efficiency in the case of equal addition, operability is excellent, and the grey cost of processing ton is greatly lowered.
Embodiment
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention
Content is not limited solely to the following examples.
Embodiment 1
The first step, adds pure water 150Kg in a kettle., under stirring, and rotating speed is 70 revs/min, by needed for production
Ethylenebis dithiocarbamate carbamic acid sodium 200kg be slowly added in reactor, stirring 30 minutes after, after being completely dissolved, obtain middle production
Thing a.
Second step, in dissolving tank, adds 150Kg water, 200Kg dimercaprol dimercaptopropanol is added and dissolved, uniform liquid is obtained
b。
3rd step, product a is well mixed in a kettle. with b.
4th step, in a kettle., in 25 DEG C of normal temperature, adds 295Kg potassium dihydrogen phosphates, 5Kg methylcellulose successively,
Stirring and dissolving, after filtering, obtains product.
Embodiment 2
The first step, adds pure water 130Kg in a kettle., under stirring, and rotating speed is 80 revs/min, by needed for production
Dimethyl-thiocarbamic acid potassium 300kg be slowly added in reactor, stirring 30 minutes after, after being completely dissolved, obtain centre
Product a.
Second step, in dissolving tank, adds 130Kg water, 100Kg dimercaprol dimercaptopropanol is added and dissolved, uniform liquid is obtained
b。
3rd step, product a is well mixed in a kettle. with b.
4th step, in a kettle., in 25 DEG C of normal temperature, adds 290Kg potassium dihydrogen phosphates, 50Kg dimethyl fibers successively
Element, stirring and dissolving after filtering, obtains product.
Embodiment 3
The first step, adds pure water 140Kg in a kettle., under stirring, and rotating speed is 70 revs/min, by needed for production
Sodium oiethyl dithiocarbamate 300kg be slowly added in reactor, stirring 30 minutes after, after being completely dissolved, obtain centre
Product a.
Second step, in dissolving tank, adds 140Kg water, 100Kg dimercaprol dimercaptopropanol is added and dissolved, uniform liquid is obtained
b。
3rd step, product a is well mixed in a kettle. with b.
4th step, in a kettle., in 25 DEG C of normal temperature, adds 300Kg sodium dihydrogen phosphates, 20Kg Methyl celluloses successively
Element, stirring and dissolving after filtering, obtains product.
Embodiment 4
The first step, adds pure water 140Kg in a kettle., under stirring, and rotating speed is 70 revs/min, by needed for production
Sodium oiethyl dithiocarbamate 350kg be slowly added in reactor, stirring 30 minutes after, after being completely dissolved, obtain centre
Product a.
Second step, in dissolving tank, adds 140Kg water, 100Kg dimercaprol dimercaptopropanol is added and dissolved, uniform liquid is obtained
b。
3rd step, product a is well mixed in a kettle. with b.
4th step, in a kettle., in 25 DEG C of normal temperature, adds 250Kg sodium dihydrogen phosphates, 20Kg Methyl celluloses successively
Element, stirring and dissolving after filtering, obtains product.
Using test
For taking a flight test, ash comes from In Nanjing garbage incinerating power plant flying dust workshop, is the former ash for not carrying out chelation treatment, former
Content of beary metal and the content of beary metal limiting value of GB16889-2008 requirements are shown in Table 1 in ash, respectively Example 1-3 chelating
Agent is tested by 2wt%, 3wt% consumption, and is carried out with Suzhou generation Puri heavy metal stabilization medicament under same amount
Test comparison, method of testing refers to GB5085.3-2007, and test result is shown in Table 1, table 2：
Table 1
Table 2
ND, which refers to, in upper table does not detect coherent element.
Summarize:Contrasted by a series of experiments and existing domestic and international incineration of refuse flyash stabilization agent, we can obtain
Go out to draw a conclusion:The application stabilizes flying dust processing stabilization agent function admirable, meets relevant criterion requirement；
Content of beary metal is influenceed by factors such as region, season, habits and customs, rubbish species, burning controls in former ash
It is very big, related data should be collected in time using unit, and adjustment adds ratio, to reach standard of landfill.In actual use,
Height that should be according to content of beary metal in former ash, the addition of stabilization agent can suitably be adjusted in the range of 1.5-5%
It is whole.Under general even running working condition, it is proposed that add ratio for 2-3%.
Claims (9)
1. a kind of stabilization agent of incineration of refuse flyash, it is characterised in that：Its raw material components includes：Hydrocarbylthio carbamic acid
Salt, dimercaprol dimercaptopropanol, cellulose, phosphate and water.
2. the stabilization agent of incineration of refuse flyash as claimed in claim 1, it is characterised in that：Hydrocarbylthio carbaminate
For 20-50 parts by weight, dimercaprol dimercaptopropanol is 1-20 parts by weight, and cellulose is 0.1-5 parts by weight, and phosphate is 20-30 parts by weight,
Water is 20-30 parts by weight.
3. the stabilization agent of incineration of refuse flyash as claimed in claim 1 or 2, it is characterised in that：Hydrocarbylthio amino first
Hydrochlorate, dimercaprol dimercaptopropanol, cellulose, the mass ratio of phosphate and water are 35：10：2：25：28.
4. the stabilization agent of incineration of refuse flyash as claimed in claim 1 or 2, it is characterised in that：Hydrocarbylthio amino first
Hydroxyl in hydrochlorate is methyl, dimethyl, ethyl or diethyl；Hydrocarbylthio carbaminate is sodium salt, sylvite or zinc salt.
5. the stabilization agent of incineration of refuse flyash as claimed in claim 1 or 2, it is characterised in that：Cellulose is that methyl is fine
At least one of dimension element, dimethyl cellulose or diethyl cellulose.
6. the stabilization agent of incineration of refuse flyash as claimed in claim 1 or 2, it is characterised in that：Phosphate is di(2-ethylhexyl)phosphate
At least one of hydrogen potassium, sodium dihydrogen phosphate or 1-hydroxy ethylidene-1,1-diphosphonic acid sodium.
7. the preparation method of the stabilization agent of the incineration of refuse flyash described in claim 1-6 any one, it is characterised in that：
Including following steps connected in order：
The first step：The water of total Water 50% is added in a kettle., and under stirring, hydrocarbylthio carbaminate is added
In reactor, charging continues to stir 30 ± 3 minutes after finishing, until being completely dissolved, obtains intermediate product solution a；
Second step：With the water of residue 50%, dimercaprol dimercaptopropanol solution is prepared, uniform liquid b is obtained；
3rd step：Intermediate product a made from the first step is well mixed in a kettle. with uniform liquid b made from second step；
4th step：Methylcellulose and phosphate are added in the material obtained by step 3 successively, mixed, filtering produces rubbish
The stabilization agent of rubbish flying ash.
8. method as claimed in claim 7, it is characterised in that：The mixing speed of the first step is 60-80 revs/min.
9. the application of the stabilization agent of the incineration of refuse flyash described in claim 1-6 any one, it is characterised in that：Rubbish
The consumption of the stabilization agent of flying ash is the 2-5% of flying dust quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279948.9A CN107050733B (en) | 2017-04-26 | 2017-04-26 | Stabilizing agent for waste incineration fly ash, preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279948.9A CN107050733B (en) | 2017-04-26 | 2017-04-26 | Stabilizing agent for waste incineration fly ash, preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107050733A true CN107050733A (en) | 2017-08-18 |
| CN107050733B CN107050733B (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710279948.9A Active CN107050733B (en) | 2017-04-26 | 2017-04-26 | Stabilizing agent for waste incineration fly ash, preparation method and application thereof |
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| 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 |
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| CN111481871A (en) * | 2020-04-21 | 2020-08-04 | 范数学 | Plastic garbage degradation treatment agent and preparation method thereof |
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