CN107311248A - A kind of electroplating wastewater with heavy metal ions processing inorganic agent and preparation method thereof - Google Patents
A kind of electroplating wastewater with heavy metal ions processing inorganic agent and preparation method thereof Download PDFInfo
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- CN107311248A CN107311248A CN201710590944.2A CN201710590944A CN107311248A CN 107311248 A CN107311248 A CN 107311248A CN 201710590944 A CN201710590944 A CN 201710590944A CN 107311248 A CN107311248 A CN 107311248A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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Abstract
The invention discloses a kind of electroplating wastewater with heavy metal ions processing inorganic agent, it is made up of the raw material below according to parts by weight：15 20 parts of disodium ethylene diamine tetraacetate, 7 11 parts of starch xanthate, 30 35 parts of modified crosslinking rectorite, 18 22 parts of sodium pyrosulfite, 46 50 parts of flyash, 36 parts of ethylene diamine tetra methylene phosphonic acid, 14 18 parts of polyacrylamide, 25 parts of polyoxyethylene glycerol ether, 58 parts of aminopropyl triethoxysilane, 13 17 parts of sodium carboxymethyl starch.The invention also discloses the preparation method of the electroplating wastewater with heavy metal ions processing inorganic agent.Inorganic agent prepared by the present invention can effectively remove the heavy metal ion in electroplating wastewater by the synergy of each component, easy to use, with wide market prospects.
Description
Technical field
The present invention relates to technical field of sewage, specifically a kind of electroplating wastewater with heavy metal ions processing inorganic agent
And preparation method thereof.
Background technology
The source of electroplating wastewater is generally：(1) plating piece rinse water；(2) spent plating bath；(3) other waste water, including wash away car
Between ground, scrub pole plate wash water, ventilation equipment condensed water, and due to coating bath seepage or operational administrative it is improper cause " run,
Emit, drip, leak " various tank liquors and draining；(4) component cooling water, cooling water in use except temperature raise in addition to, not by
To pollution.Process conditions, produce load, operational administrative and water use model that water quality, the water of electroplating wastewater are produced with plating etc.
Factor is relevant.The water quality of electroplating wastewater is complicated, and composition is difficult to control, wherein containing the heavy metals such as chromium, cadmium, nickel, copper, zinc, gold, silver
Ion and cyanide etc., some belong to carcinogenic, teratogenesis, mutagenic extremely toxic substance.
In the prior art, the processing method for electroplating wastewater has a lot, is broadly divided into chemical method, physico-chemical process and biology
Method.Chemical method is exactly to add chemical reagent, by chemical reaction, make in electroplating wastewater pollutant become innocuous substance or be easy to
The material of water separation, the processing method further removed from electroplating wastewater.Although this method has small investment, processing dress
The advantages of putting simple, relatively low processing cost, installation and maintenance and operate easy, but exist that treatment effeciency is low, effluent quality is poor, no
It can recycle and produce the shortcomings of sludge quantity is big.Physico-chemical process mainly includes：Ion-exchange, membrane separation process, evaporation and concentration
Method, absorption method etc..High due to there is processing cost, the problems such as regenerated liquid is difficult to recycle, application effect is not obvious.It is raw
Thing method has the advantages that efficiency high, selectivity be strong, adsorption capacity is big, but presently, there are that reaction efficiency is not high, culture medium consumption is big,
Processing cost is high, the residual biological in water outlet can also continue breeding, it is impossible to the shortcomings of direct reuse.Existing electroplating wastewater processing
Agent can not effectively remove the heavy metal ion in electroplating wastewater, therefore, a kind of low cost of research and development, and can effectively remove plating
The inorganic agent of heavy metal ion in waste water, by with important market value.
The content of the invention
It is an object of the invention to provide a kind of electroplating wastewater with heavy metal ions processing inorganic agent and preparation method thereof,
To solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of electroplating wastewater with heavy metal ions processing inorganic agent, is made up of the raw material below according to parts by weight：Second two
15-20 parts of amine tetraacethyl disodium, 7-11 parts of starch xanthate, 30-35 parts of modified crosslinking rectorite, sodium pyrosulfite 18-22
Part, 46-50 parts of flyash, 3-6 parts of ethylene diamine tetra methylene phosphonic acid, 14-18 parts of polyacrylamide, 2-5 parts of polyoxyethylene glycerol ether,
5-8 parts of aminopropyl triethoxysilane, 13-17 parts of sodium carboxymethyl starch.
It is used as further scheme of the invention：It is made up of the raw material below according to parts by weight：Disodium ethylene diamine tetraacetate 16-
19 parts, 8-10 parts of starch xanthate, 31-34 parts of modified crosslinking rectorite, 19-21 parts of sodium pyrosulfite, flyash 47-49
Part, 4-5 parts of ethylene diamine tetra methylene phosphonic acid, 15-17 parts of polyacrylamide, 3-4 parts of polyoxyethylene glycerol ether, aminopropyl-triethoxy
6-7 parts of silane, 14-16 parts of sodium carboxymethyl starch.
It is used as further scheme of the invention：It is made up of the raw material below according to parts by weight：Disodium ethylene diamine tetraacetate
18 parts, 9 parts of starch xanthate, 33 parts of modified crosslinking rectorite, 20 parts of sodium pyrosulfite, 48 parts of flyash, ethylenediamine tetramethyl
Pitch 5 parts of phosphonic acids, 16 parts of polyacrylamide, 3 parts of polyoxyethylene glycerol ether, 7 parts of aminopropyl triethoxysilane, sodium carboxymethyl starch
15 parts.
It is used as further scheme of the invention：The modified crosslinking rectorite is obtained by following steps：Crosslinking is tired
Ask stone to crush, cross 80-100 mesh sieves, then the calcination processing 1-2h at 350-400 DEG C, natural cooling adds equivalent weight
15% aqueous citric acid solution, ball-milling treatment 3-4h obtains slurries, is added dropwise sodium hydrate aqueous solution into slurries, regulation pH to
7.5-8.0, is then sonicated 40-50min, stands 3-5h, takes lower sediment thing, lower sediment thing is forged at 600-650 DEG C
Burn after processing 1h, natural cooling produces modified crosslinking rectorite.
It is used as further scheme of the invention：The ultrasonically treated frequency is 50-60KHz.
The preparation method of the electroplating wastewater with heavy metal ions processing inorganic agent, step is as follows：
1) modified crosslinking rectorite, polyoxyethylene glycerol ether and sodium carboxymethyl starch are weighed, after merging, in 100-150rpm
Lower stirring mixing 50-60min, obtains mixture A；
2) disodium ethylene diamine tetraacetate, starch xanthate, sodium pyrosulfite and polyacrylamide are weighed, after merging,
Stirring mixing 1-2h, obtains mixture B under 100-150rpm；
3) ethylene diamine tetra methylene phosphonic acid and aminopropyl triethoxysilane are weighed, it is ultrasonically treated at 60-70 DEG C after merging
50-55min, obtains mixture C；
4) flyash is weighed, is put into mixer, mixture A is then added, 30-40min is stirred under 200-250rpm,
Obtain mixture D；
5) mixture B is gradually added into the mixer where mixture D, after addition is finished, continues to stir 10-15min,
Then mixture C is gradually added into the mixer where mixture D, after addition is finished, continues to stir 45-50min, discharging,
.
It is used as further scheme of the invention：Step 3) in, the ultrasonically treated frequency is 80-100KHz.
Compared with prior art, the beneficial effects of the invention are as follows：
Inorganic agent prepared by the present invention can effectively remove the heavy metal in electroplating wastewater by the synergy of each component
Ion, while the COD and SS in electroplating wastewater can also be removed, performance is stable.Inorganic agent prepared by the present invention, easy to use, base
In existing electroplating waste processing process, without other newly added equipment, the cost of processing electroplating wastewater, water outlet water are reduced
Matter is good, can reuse, water resource has been saved, with wide market prospects.
Embodiment
Technical scheme is described in more detail with reference to embodiment.
Embodiment 1
A kind of electroplating wastewater with heavy metal ions processing inorganic agent, is made up of the raw material below according to parts by weight：Second two
15 parts of amine tetraacethyl disodium, 7 parts of starch xanthate, 30 parts of modified crosslinking rectorite, 18 parts of sodium pyrosulfite, flyash 46
Part, 3 parts of ethylene diamine tetra methylene phosphonic acid, 14 parts of polyacrylamide, 2 parts of polyoxyethylene glycerol ether, aminopropyl triethoxysilane 5
Part, 13 parts of sodium carboxymethyl starch.
Wherein, the modified crosslinking rectorite is obtained by following steps：Cross-linked rectorite is crushed, 80 mesh sieves are crossed, so
The calcination processing 1h at 350 DEG C, natural cooling, add 15% aqueous citric acid solution of equivalent weight afterwards, and ball-milling treatment 3h is obtained
Slurries, sodium hydrate aqueous solution are added dropwise into slurries, pH is to 7.5 for regulation, is then sonicated 40min, the ultrasonically treated frequency
For 50KHz, 3h is stood, lower sediment thing is taken, by lower sediment thing at 600 DEG C after calcination processing 1h, natural cooling is produced and changed
Property cross-linked rectorite.
In the present embodiment, the preparation method of the electroplating wastewater with heavy metal ions processing inorganic agent, step is as follows：
1) modified crosslinking rectorite, polyoxyethylene glycerol ether and sodium carboxymethyl starch are weighed, after merging, is stirred at 100 rpm
Mixing 50min is mixed, mixture A is obtained；
2) disodium ethylene diamine tetraacetate, starch xanthate, sodium pyrosulfite and polyacrylamide are weighed, after merging,
Stirring mixing 1h, obtains mixture B under 100rpm；
3) ethylene diamine tetra methylene phosphonic acid and aminopropyl triethoxysilane are weighed, it is ultrasonically treated at 60 DEG C after merging
50min, obtains mixture C, wherein, the ultrasonically treated frequency is 80KHz；
4) flyash is weighed, is put into mixer, mixture A is then added, 30min is stirred at 200 rpm, is mixed
Compound D；
5) mixture B is gradually added into the mixer where mixture D, after addition is finished, continues to stir 10min, so
Mixture C is gradually added into afterwards in the mixer where mixture D, after addition is finished, continues to stir 45min, discharging, you can.
Embodiment 2
A kind of electroplating wastewater with heavy metal ions processing inorganic agent, is made up of the raw material below according to parts by weight：Second two
16 parts of amine tetraacethyl disodium, 8 parts of starch xanthate, 31 parts of modified crosslinking rectorite, 21 parts of sodium pyrosulfite, flyash 49
Part, 5 parts of ethylene diamine tetra methylene phosphonic acid, 15 parts of polyacrylamide, 3 parts of polyoxyethylene glycerol ether, aminopropyl triethoxysilane 7
Part, 16 parts of sodium carboxymethyl starch.
Wherein, the modified crosslinking rectorite is obtained by following steps：Cross-linked rectorite is crushed, 90 mesh sieves are crossed, so
The calcination processing 1.5h at 360 DEG C, natural cooling, add 15% aqueous citric acid solution of equivalent weight afterwards, and ball-milling treatment 3h is obtained
Slurries are obtained, sodium hydrate aqueous solution are added dropwise into slurries, pH is to 7.6 for regulation, is then sonicated 42min, the ultrasonically treated frequency
Rate is 53KHz, stands 3.5h, takes lower sediment thing, by lower sediment thing at 610 DEG C after calcination processing 1h, natural cooling, i.e.,
Obtain modified crosslinking rectorite.
In the present embodiment, the preparation method of the electroplating wastewater with heavy metal ions processing inorganic agent, step is as follows：
1) modified crosslinking rectorite, polyoxyethylene glycerol ether and sodium carboxymethyl starch are weighed, after merging, is stirred under 110rpm
Mixing 53min is mixed, mixture A is obtained；
2) disodium ethylene diamine tetraacetate, starch xanthate, sodium pyrosulfite and polyacrylamide are weighed, after merging,
Stirring mixing 1.5h, obtains mixture B under 110rpm；
3) ethylene diamine tetra methylene phosphonic acid and aminopropyl triethoxysilane are weighed, it is ultrasonically treated at 60 DEG C after merging
52min, obtains mixture C, wherein, the ultrasonically treated frequency is 85KHz；
4) flyash is weighed, is put into mixer, mixture A is then added, stirs 35min under 220rpm, mixed
Compound D；
5) mixture B is gradually added into the mixer where mixture D, after addition is finished, continues to stir 12min, so
Mixture C is gradually added into afterwards in the mixer where mixture D, after addition is finished, continues to stir 48min, discharging, you can.
Embodiment 3
A kind of electroplating wastewater with heavy metal ions processing inorganic agent, is made up of the raw material below according to parts by weight：Second two
18 parts of amine tetraacethyl disodium, 9 parts of starch xanthate, 33 parts of modified crosslinking rectorite, 20 parts of sodium pyrosulfite, flyash 48
Part, 5 parts of ethylene diamine tetra methylene phosphonic acid, 16 parts of polyacrylamide, 3 parts of polyoxyethylene glycerol ether, aminopropyl triethoxysilane 7
Part, 15 parts of sodium carboxymethyl starch.
Wherein, the modified crosslinking rectorite is obtained by following steps：Cross-linked rectorite is crushed, 90 mesh sieves are crossed, so
The calcination processing 1.5h at 380 DEG C afterwards, natural cooling adds 15% aqueous citric acid solution of equivalent weight, ball-milling treatment 3.5h,
Slurries are obtained, sodium hydrate aqueous solution are added dropwise into slurries, pH is to 7.8 for regulation, is then sonicated 45min, described ultrasonically treated
Frequency is 55KHz, stands 4h, takes lower sediment thing, by lower sediment thing at 630 DEG C after calcination processing 1h, natural cooling, i.e.,
Obtain modified crosslinking rectorite.
In the present embodiment, the preparation method of the electroplating wastewater with heavy metal ions processing inorganic agent, step is as follows：
1) modified crosslinking rectorite, polyoxyethylene glycerol ether and sodium carboxymethyl starch are weighed, after merging, is stirred under 130rpm
Mixing 55min is mixed, mixture A is obtained；
2) disodium ethylene diamine tetraacetate, starch xanthate, sodium pyrosulfite and polyacrylamide are weighed, after merging,
Stirring mixing 1.5h, obtains mixture B under 130rpm；
3) ethylene diamine tetra methylene phosphonic acid and aminopropyl triethoxysilane are weighed, it is ultrasonically treated at 65 DEG C after merging
53min, obtains mixture C, wherein, the ultrasonically treated frequency is 90KHz；
4) flyash is weighed, is put into mixer, mixture A is then added, stirs 35min under 230rpm, mixed
Compound D；
5) mixture B is gradually added into the mixer where mixture D, after addition is finished, continues to stir 13min, so
Mixture C is gradually added into afterwards in the mixer where mixture D, after addition is finished, continues to stir 47min, discharging, you can.
Embodiment 4
A kind of electroplating wastewater with heavy metal ions processing inorganic agent, is made up of the raw material below according to parts by weight：Second two
19 parts of amine tetraacethyl disodium, 10 parts of starch xanthate, 34 parts of modified crosslinking rectorite, 19 parts of sodium pyrosulfite, flyash 47
Part, 4 parts of ethylene diamine tetra methylene phosphonic acid, 17 parts of polyacrylamide, 4 parts of polyoxyethylene glycerol ether, aminopropyl triethoxysilane 6
Part, 14 parts of sodium carboxymethyl starch.
Wherein, the modified crosslinking rectorite is obtained by following steps：Cross-linked rectorite is crushed, 100 mesh sieves are crossed, so
The calcination processing 1.5h at 390 DEG C, natural cooling, add 15% aqueous citric acid solution of equivalent weight afterwards, and ball-milling treatment 4h is obtained
Slurries are obtained, sodium hydrate aqueous solution are added dropwise into slurries, pH is to 8.0 for regulation, is then sonicated 47min, the ultrasonically treated frequency
Rate is 55KHz, stands 4.5h, takes lower sediment thing, by lower sediment thing at 640 DEG C after calcination processing 1h, natural cooling, i.e.,
Obtain modified crosslinking rectorite.
In the present embodiment, the preparation method of the electroplating wastewater with heavy metal ions processing inorganic agent, step is as follows：
1) modified crosslinking rectorite, polyoxyethylene glycerol ether and sodium carboxymethyl starch are weighed, after merging, is stirred under 140rpm
Mixing 57min is mixed, mixture A is obtained；
2) disodium ethylene diamine tetraacetate, starch xanthate, sodium pyrosulfite and polyacrylamide are weighed, after merging,
Stirring mixing 1.5h, obtains mixture B under 140rpm；
3) ethylene diamine tetra methylene phosphonic acid and aminopropyl triethoxysilane are weighed, it is ultrasonically treated at 68 DEG C after merging
53min, obtains mixture C, wherein, the ultrasonically treated frequency is 100KHz；
4) flyash is weighed, is put into mixer, mixture A is then added, stirs 40min under 230rpm, mixed
Compound D；
5) mixture B is gradually added into the mixer where mixture D, after addition is finished, continues to stir 15min, so
Mixture C is gradually added into afterwards in the mixer where mixture D, after addition is finished, continues to stir 48min, discharging, you can.
Embodiment 5
A kind of electroplating wastewater with heavy metal ions processing inorganic agent, is made up of the raw material below according to parts by weight：Second two
20 parts of amine tetraacethyl disodium, 11 parts of starch xanthate, 35 parts of modified crosslinking rectorite, 22 parts of sodium pyrosulfite, flyash 50
Part, 6 parts of ethylene diamine tetra methylene phosphonic acid, 18 parts of polyacrylamide, 5 parts of polyoxyethylene glycerol ether, aminopropyl triethoxysilane 8
Part, 17 parts of sodium carboxymethyl starch.
Wherein, the modified crosslinking rectorite is obtained by following steps：Cross-linked rectorite is crushed, 100 mesh sieves are crossed, so
The calcination processing 2h at 400 DEG C, natural cooling, add 15% aqueous citric acid solution of equivalent weight afterwards, and ball-milling treatment 4h is obtained
Slurries, sodium hydrate aqueous solution are added dropwise into slurries, pH is to 8.0 for regulation, is then sonicated 50min, the ultrasonically treated frequency
For 60KHz, 5h is stood, lower sediment thing is taken, by lower sediment thing at 650 DEG C after calcination processing 1h, natural cooling is produced and changed
Property cross-linked rectorite.
In the present embodiment, the preparation method of the electroplating wastewater with heavy metal ions processing inorganic agent, step is as follows：
1) modified crosslinking rectorite, polyoxyethylene glycerol ether and sodium carboxymethyl starch are weighed, after merging, is stirred under 150rpm
Mixing 60min is mixed, mixture A is obtained；
2) disodium ethylene diamine tetraacetate, starch xanthate, sodium pyrosulfite and polyacrylamide are weighed, after merging,
Stirring mixing 2h, obtains mixture B under 150rpm；
3) ethylene diamine tetra methylene phosphonic acid and aminopropyl triethoxysilane are weighed, it is ultrasonically treated at 70 DEG C after merging
55min, obtains mixture C, wherein, the ultrasonically treated frequency is 100KHz；
4) flyash is weighed, is put into mixer, mixture A is then added, stirs 40min under 250rpm, mixed
Compound D；
5) mixture B is gradually added into the mixer where mixture D, after addition is finished, continues to stir 15min, so
Mixture C is gradually added into afterwards in the mixer where mixture D, after addition is finished, continues to stir 50min, discharging, you can.
Electroplating wastewater is handled using the inorganic agent prepared by 1-5 of the embodiment of the present invention, COD clearance reaches
85.3-89.1%, SS clearance have reached 91.8-93.5%, heavy metal ion zinc, copper, lead, nickel, chromium, manganese clearance it is equal
Reach more than 95.7%.
Inorganic agent prepared by the present invention can effectively remove the heavy metal in electroplating wastewater by the synergy of each component
Ion, while the COD and SS in electroplating wastewater can also be removed, performance is stable.Inorganic agent prepared by the present invention, easy to use, base
In existing electroplating waste processing process, without other newly added equipment, the cost of processing electroplating wastewater, water outlet water are reduced
Matter is good, can reuse, water resource has been saved, with wide market prospects.
The better embodiment to the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
, can also be on the premise of present inventive concept not be departed from formula, the knowledge that one skilled in the relevant art possesses
Various changes can be made.
Claims (7)
1. a kind of electroplating wastewater with heavy metal ions processing inorganic agent, it is characterised in that by below according to the raw material of parts by weight
It is made：15-20 parts of disodium ethylene diamine tetraacetate, 7-11 parts of starch xanthate, 30-35 parts of modified crosslinking rectorite, burnt sulfurous
Sour sodium 18-22 parts, 46-50 parts of flyash, 3-6 parts of ethylene diamine tetra methylene phosphonic acid, 14-18 parts of polyacrylamide, polyoxyethylene it is sweet
Oily ether 2-5 parts, 5-8 parts of aminopropyl triethoxysilane, 13-17 parts of sodium carboxymethyl starch.
2. electroplating wastewater with heavy metal ions processing inorganic agent according to claim 1, it is characterised in that by pressing below
It is made according to the raw material of parts by weight：16-19 parts of disodium ethylene diamine tetraacetate, 8-10 parts of starch xanthate, modified crosslinking rectorite
31-34 parts, 19-21 parts of sodium pyrosulfite, 47-49 parts of flyash, 4-5 parts of ethylene diamine tetra methylene phosphonic acid, polyacrylamide 15-17
Part, 3-4 parts of polyoxyethylene glycerol ether, 6-7 parts of aminopropyl triethoxysilane, 14-16 parts of sodium carboxymethyl starch.
3. electroplating wastewater with heavy metal ions processing inorganic agent according to claim 2, it is characterised in that by pressing below
It is made according to the raw material of parts by weight：18 parts of disodium ethylene diamine tetraacetate, 9 parts of starch xanthate, 33 parts of modified crosslinking rectorite, Jiao
20 parts of sodium sulfite, 48 parts of flyash, 5 parts of ethylene diamine tetra methylene phosphonic acid, 16 parts of polyacrylamide, 3 parts of polyoxyethylene glycerol ether,
7 parts of aminopropyl triethoxysilane, 15 parts of sodium carboxymethyl starch.
4. electroplating wastewater with heavy metal ions processing inorganic agent according to claim 1, it is characterised in that the modification
Cross-linked rectorite is obtained by following steps：Cross-linked rectorite is crushed, 80-100 mesh sieves is crossed, is then forged at 350-400 DEG C
Processing 1-2h is burnt, natural cooling adds 15% aqueous citric acid solution of equivalent weight, and ball-milling treatment 3-4h obtains slurries, to slurry
Sodium hydrate aqueous solution is added dropwise in liquid, pH is to 7.5-8.0 for regulation, is then sonicated 40-50min, stands 3-5h, takes lower sediment
Thing, by lower sediment thing at 600-650 DEG C after calcination processing 1h, natural cooling produces modified crosslinking rectorite.
5. electroplating wastewater with heavy metal ions processing inorganic agent according to claim 4, it is characterised in that the ultrasound
Processing frequency is 50-60KHz.
6. a kind of preparation method of electroplating wastewater with heavy metal ions processing inorganic agent as described in claim 1-5 is any,
Characterized in that, step is as follows：
1) modified crosslinking rectorite, polyoxyethylene glycerol ether and sodium carboxymethyl starch are weighed, after merging, is stirred under 100-150rpm
Mixing 50-60min is mixed, mixture A is obtained；
2) disodium ethylene diamine tetraacetate, starch xanthate, sodium pyrosulfite and polyacrylamide are weighed, after merging, in 100-
Stirring mixing 1-2h, obtains mixture B under 150rpm；
3) ethylene diamine tetra methylene phosphonic acid and aminopropyl triethoxysilane are weighed, after merging, the ultrasonically treated 50- at 60-70 DEG C
55min, obtains mixture C；
4) flyash is weighed, is put into mixer, mixture A is then added, 30-40min is stirred under 200-250rpm, is obtained
Mixture D；
5) mixture B is gradually added into the mixer where mixture D, after addition is finished, continues to stir 10-15min, then
Mixture C is gradually added into the mixer where mixture D, after addition is finished, continues to stir 45-50min, discharging, you can.
7. the preparation method of electroplating wastewater with heavy metal ions processing inorganic agent according to claim 6, its feature exists
In step 3) in, the ultrasonically treated frequency is 80-100KHz.
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| CN109019809A (en) * | 2018-07-03 | 2018-12-18 | 南京舜业环保科技有限公司 | A kind of chitin modified metal ion capturing agent and preparation method thereof |
| CN109354309A (en) * | 2018-11-07 | 2019-02-19 | 环境保护部华南环境科学研究所 | Heavy metal MULTIPLE COMPOSITE treatment process for industrial wastewater |
| CN109384277A (en) * | 2018-11-07 | 2019-02-26 | 环境保护部华南环境科学研究所 | The composite treating agent of comprehensive removal heavy metal out of electroplating wastewater |
| CN109502804A (en) * | 2018-11-07 | 2019-03-22 | 环境保护部华南环境科学研究所 | The method for removing heavy metal out of electroplating wastewater |
| CN109502716A (en) * | 2018-11-07 | 2019-03-22 | 环境保护部华南环境科学研究所 | Heavy metal in electroplating wastewater inorganic agent |
| CN117244535B (en) * | 2023-11-17 | 2024-02-20 | 中国科学院南京土壤研究所 | Preparation of floatable hollow microsphere material and application of floatable hollow microsphere material in soil cadmium reduction |
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| CN109019809A (en) * | 2018-07-03 | 2018-12-18 | 南京舜业环保科技有限公司 | A kind of chitin modified metal ion capturing agent and preparation method thereof |
| CN109354309A (en) * | 2018-11-07 | 2019-02-19 | 环境保护部华南环境科学研究所 | Heavy metal MULTIPLE COMPOSITE treatment process for industrial wastewater |
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| CN109502804A (en) * | 2018-11-07 | 2019-03-22 | 环境保护部华南环境科学研究所 | The method for removing heavy metal out of electroplating wastewater |
| CN109502716A (en) * | 2018-11-07 | 2019-03-22 | 环境保护部华南环境科学研究所 | Heavy metal in electroplating wastewater inorganic agent |
| CN109354309B (en) * | 2018-11-07 | 2021-11-12 | 环境保护部华南环境科学研究所 | Heavy metal multiple composite treatment process for industrial wastewater |
| CN109502804B (en) * | 2018-11-07 | 2022-03-11 | 环境保护部华南环境科学研究所 | Method for removing heavy metal in electroplating wastewater |
| CN117244535B (en) * | 2023-11-17 | 2024-02-20 | 中国科学院南京土壤研究所 | Preparation of floatable hollow microsphere material and application of floatable hollow microsphere material in soil cadmium reduction |
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