CN109455783A - A kind of dyeing waste water advanced treatment agent and preparation method thereof - Google Patents
A kind of dyeing waste water advanced treatment agent and preparation method thereof Download PDFInfo
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- CN109455783A CN109455783A CN201811239605.0A CN201811239605A CN109455783A CN 109455783 A CN109455783 A CN 109455783A CN 201811239605 A CN201811239605 A CN 201811239605A CN 109455783 A CN109455783 A CN 109455783A
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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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Abstract
The present invention is prepared for a kind of dyeing waste water advanced treatment agent and preparation method thereof, including following parts by weight of component is made: 32-46 parts of magnetisable coating bentone adsorbent, coir 24-38 parts acrylic acid-grafted, 8-16 parts of aluminium chloride, 15-22 parts of palygorskite.The preparation method of dyeing waste water advanced treatment agent, includes the following steps: in proportion that magnetisable coating bentone adsorbent, acrylic acid-grafted coir, aluminium chloride and palygorskite mechanical mixture is uniform, is milled to 200 mesh, then obtained by drying.The dyeing waste water advanced treatment agent that the present invention is prepared has preferable processing to coloration, turbidity, COD and the BOD in dyeing waste water, and can remove removing heavy metals well, and treated, and waste water complies fully with emission request.
Description
Technical field
The present invention relates to field of waste water treatment, more particularly to a kind of dyeing waste water advanced treatment agent and preparation method thereof.
Background technique
With the continuous development of modern industrial technology, the yield of waste water is more and more.If waste water without processing or
Person's strength disposal not enough can cause water quality seriously to pollute without up to standard just discharge, and cause extreme shock to the ecological balance.
Due to industrialized development, quality problem becomes increasingly conspicuous, water treatment technology need to obtain push away it is old go out old fast development, to keep up with
The step of industrial development.The development of water treatment technology is not only the technical innovation optimization for the treatment of process, for processing
Material is also required to the research that deepens continuously.Traditional inorganic wastewater treatment agent is difficult to due to higher cost, most of industrial and mining enterprises
It is widely used, to more limit the development of wastewater treatment, and adverse effect is caused to enterprise development to a certain extent.
Therefore, the waste water treating agent for developing high efficiency, low cost is particularly important.
Summary of the invention
Technical problems to be solved:
The object of the present invention is to provide a kind of dyeing waste water advanced treatment agent and preparation method thereof, the printing and dyeing being prepared are useless
Water depth inorganic agent has preferable processing to coloration, turbidity, COD and the BOD in dyeing waste water, and can remove well
Heavy metal, treated, and waste water complies fully with emission request.
Technical solution:
The present invention is prepared for a kind of dyeing waste water advanced treatment agent, including following parts by weight of component is made:
32-46 parts of magnetisable coating bentone adsorbent, coir 24-38 parts acrylic acid-grafted, 8-16 parts of aluminium chloride,
15-22 parts of palygorskite.
Preferably, the magnetisable coating bentone adsorbent preparation method the following steps are included:
(1) by FeCl2·4H2O and FeCl3·6H2O is dissolved in deionized water, and dodecane is added after being sufficiently mixed uniformly
Base benzene sulfonic acid sodium salt, stirs evenly, and it is 10-12 that ammonium hydroxide, which is added dropwise, and adjusts pH value, continues to be sufficiently stirred, black precipitate is obtained after crystallization
Fe3O4, it is washed with deionized clean；
(2) Fe is taken3O4It is configured to aqueous solution, hydrochloric acid, sodium pyrophosphate is added, ultrasonic disperse is uniformly mixed and obtains Fe3O4It is molten
Glue；
(3) bentonite clay particle is impregnated with deionized water and is infiltrated, taking-up is placed in Fe3O4In colloidal sol, absorption, water is sufficiently stirred
It is washed till neutrality, powder is pulverized into drying, and calcining obtains magnetisable coating bentone adsorbent.
It is further preferred that FeCl in step (1)2·4H2O、FeCl3·6H2The weight of O and neopelex
Than for (10-15): (2-8): 1.
It is further preferred that the power of ultrasonic disperse is 100-300w in step (2), the time of ultrasonic disperse is 8-
15min。
It is further preferred that step (3) calcination temperature is 400-800 DEG C, calcination time 3-6h.
Preferably, the acrylic acid-grafted coir preparation method the following steps are included:
(1) after cocoanut shell being cleaned up drying, 200 meshes were crushed to, with distilled water rinsed clean, suction filtration goes to remove water
Point, drying obtains coconut shell powder；
(2) coconut shell powder after drying is placed in irradiation tube, carries out radiation treatment；
(3) coconut shell powder after irradiation is dissolved in deionized water, acrylic monomers, ammonium ceric nitrate-ethylenediamine tetraacetic is added
Acetic acid and double acrylic acid binary alcohol esters stop stirring after reacting 50min in nitrogen atmosphere, and cooling is stood, and then drying is
Obtain acrylic acid-grafted coir.
It is further preferred that pre-irradiation dosage is 3-7Mrad in step (2).
It is further preferred that coconut shell powder, acrylic monomers in step (3), ammonium ceric nitrate-ethylenediamine tetra-acetic acid and double third
The weight ratio of olefin(e) acid binary alcohol esters is (12-18): (7-11): (0.25-0.45): (1-1.4).
Preferably, a kind of preparation method of dyeing waste water advanced treatment agent, includes the following steps: magnetisable coating in proportion
Bentone adsorbent, acrylic acid-grafted coir, aluminium chloride and palygorskite mechanical mixture are uniform, are milled to 200 mesh, then
It is obtained by drying.
The utility model has the advantages that
(1) the dyeing waste water advanced treatment agent that the present invention is prepared, there is raw material to be easy to get, is cheap, is easy to operate,
It reacts the advantages that mild, with short production cycle, entirely appropriate large-scale production, in addition efficient purifying water effect, there is wide application
Prospect and economic value.
(2) present invention is prepared for a kind of high-efficiency adsorbent, magnetisable coating bentone adsorbent, by magnetic Fe3O4It is overlying on swelling
Native surface, avoids agglomerate effect, and compound adsorbent has the advantages that bentonite and magnetic material simultaneously, can effectively remove useless
Heavy metal in water.
(3) present invention is prepared for acrylic acid-grafted coir, under effect of irradiation, keeps the grafting of coir living
Property center increase, improve the grafting rate with acrylic monomers, make the modified fibre being prepared have good hydrophily, energy
It is enough to play the role of good filtration, purification to waste water.
Specific embodiment
The following examples can make those skilled in the art that the present invention be more fully understood, but not limit this in any way
Invention.
Embodiment 1
By 46 parts of magnetisable coating bentone adsorbent, 24 parts of acrylic acid-grafted coir, 16 parts of aluminium chloride, palygorskite
15 parts are uniformly mixed, and are milled to 200 mesh, 100 DEG C of baking 6h are up to a kind of dyeing waste water advanced treatment agent.
Wherein, magnetisable coating bentone adsorbent the preparation method comprises the following steps:
(1) by 60g FeCl2·4H2O and 8g FeCl3·6H2O is dissolved in 2L deionized water, after being sufficiently mixed uniformly
4g 0.3wt% neopelex is added, stirs evenly, it is 11 that ammonium hydroxide, which is added dropwise, and adjusts pH value, continue to be sufficiently stirred,
60 DEG C of constant temperature 2h crystallization, obtain black precipitate Fe3O4, product is isolated with magnet, is washed with deionized 5 times；
(2) 40g Fe is taken3O4It is configured to 40wt% aqueous solution, 2mL0.5mol/L hydrochloric acid, 4.2g sodium pyrophosphate, ultrasound is added
Dispersion 15min obtains Fe3O4Colloidal sol, the power 100w of ultrasonic disperse；
(3) 18g bentonite clay particle deionized water is impregnated into infiltration 50min, taking-up is placed in Fe in step (2)3O4Colloidal sol
In, absorption 5h is sufficiently stirred, is washed to neutrality, is placed in 60 DEG C of baking ovens and dries 4h, be then crushed to powdered, forged at 800 DEG C
It burns 3h and obtains magnetisable coating bentone adsorbent.
Acrylic acid-grafted coir the preparation method comprises the following steps:
(1) after cocoanut shell being cleaned up drying, 200 meshes were crushed to, were rinsed 4-5 times repeatedly with distilled water, were filtered
Moisture removal is removed, obtains coconut shell powder in 60 DEG C of drying；
(2) coconut shell powder after drying is placed in irradiation tube, in air through 150,000 Curie60The irradiation of the source Co- γ, pre- spoke
It is 7Mrad according to dosage；
(3) coconut shell powder after irradiating 24g is dissolved in 200mL deionized water, and 22g acrylic monomers, 0.5g nitre is added
Sour cerium ammonium-ethylenediamine tetra-acetic acid and the bis- acrylic acid binary alcohol esters of 2.8g, in nitrogen atmosphere, 300r/min reacts at 120 DEG C
Then 30min stops stirring, be cooled to 35 DEG C, and after standing 3h, it is fine that taking-up drying at 60 DEG C obtains acrylic acid-grafted cocoanut shell
Dimension.
Embodiment 2
By 32 parts of magnetisable coating bentone adsorbent, 38 parts of acrylic acid-grafted coir, 8 parts of aluminium chloride, palygorskite
22 parts are uniformly mixed, and are milled to 200 mesh, 100 DEG C of baking 6h are up to a kind of dyeing waste water advanced treatment agent.Wherein, magnetisable coating is swollen
Moisten earth adsorbing the preparation method comprises the following steps:
(2) by 40g FeCl2·4H2O and 32g FeCl3·6H2O is dissolved in 2L deionized water, after being sufficiently mixed uniformly
4g 0.3wt% neopelex is added, stirs evenly, it is 11 that ammonium hydroxide, which is added dropwise, and adjusts pH value, continue to be sufficiently stirred,
60 DEG C of constant temperature 2h crystallization, obtain black precipitate Fe3O4, product is isolated with magnet, is washed with deionized 5 times；
(2) 40g Fe is taken3O4It is configured to 40wt% aqueous solution, 2mL0.5mol/L hydrochloric acid, 4.2g sodium pyrophosphate, ultrasound is added
Dispersion 8min obtains Fe3O4Colloidal sol, the power 300w of ultrasonic disperse；
(3) 18g bentonite clay particle deionized water is impregnated into infiltration 30min, taking-up is placed in Fe in step (2)3O4Colloidal sol
In, absorption 8h is sufficiently stirred, is washed to neutrality, is placed in 60 DEG C of baking ovens and dries 4h, be then crushed to powdered, forged at 400 DEG C
It burns 6h and obtains magnetisable coating bentone adsorbent.
Acrylic acid-grafted coir the preparation method comprises the following steps:
(1) after cocoanut shell being cleaned up drying, 200 meshes were crushed to, were rinsed 4-5 times repeatedly with distilled water, were filtered
Moisture removal is removed, obtains coconut shell powder in 60 DEG C of drying；
(2) coconut shell powder after drying is placed in irradiation tube, in air through 150,000 Curie60The irradiation of the source Co- γ, pre- spoke
It is 3Mrad according to dosage；
(3) coconut shell powder after irradiating 36g is dissolved in 200mL deionized water, and 14g acrylic monomers, 0.9g nitre is added
Sour cerium ammonium-ethylenediamine tetra-acetic acid and the bis- acrylic acid binary alcohol esters of 2g, in nitrogen atmosphere, 500r/min reacts at 80 DEG C
Then 60min stops stirring, be cooled to 35 DEG C, and after standing 1h, it is fine that taking-up drying at 60 DEG C obtains acrylic acid-grafted cocoanut shell
Dimension.
Embodiment 3
By 42 parts of magnetisable coating bentone adsorbent, 28 parts of acrylic acid-grafted coir, 14 parts of aluminium chloride, palygorskite
17 parts are uniformly mixed, and are milled to 200 mesh, 100 DEG C of baking 6h are up to a kind of dyeing waste water advanced treatment agent.
Wherein, magnetisable coating bentone adsorbent the preparation method comprises the following steps:
(3) by 55g FeCl2·4H2O and 16g FeCl3·6H2O is dissolved in 2L deionized water, after being sufficiently mixed uniformly
4g 0.3wt% neopelex is added, stirs evenly, it is 11 that ammonium hydroxide, which is added dropwise, and adjusts pH value, continue to be sufficiently stirred,
60 DEG C of constant temperature 2h crystallization, obtain black precipitate Fe3O4, product is isolated with magnet, is washed with deionized 5 times；
(2) 40g Fe is taken3O4It is configured to 40wt% aqueous solution, 2mL0.5mol/L hydrochloric acid, 4.2g sodium pyrophosphate, ultrasound is added
Dispersion 13min obtains Fe3O4Colloidal sol, the power 150w of ultrasonic disperse；
(3) 18g bentonite clay particle deionized water is impregnated into infiltration 45min, taking-up is placed in Fe in step (2)3O4Colloidal sol
In, absorption 6h is sufficiently stirred, is washed to neutrality, is placed in 60 DEG C of baking ovens and dries 4h, be then crushed to powdered, forged at 700 DEG C
It burns 3.5h and obtains magnetisable coating bentone adsorbent.
Acrylic acid-grafted coir the preparation method comprises the following steps:
(1) after cocoanut shell being cleaned up drying, 200 meshes were crushed to, were rinsed 4-5 times repeatedly with distilled water, were filtered
Moisture removal is removed, obtains coconut shell powder in 60 DEG C of drying；
(2) coconut shell powder after drying is placed in irradiation tube, in air through 150,000 Curie60The irradiation of the source Co- γ, pre- spoke
It is 6Mrad according to dosage；
(3) coconut shell powder after irradiating 28g is dissolved in 200mL deionized water, and 20g acrylic monomers, 0.6g nitre is added
Sour cerium ammonium-ethylenediamine tetra-acetic acid and the bis- acrylic acid binary alcohol esters of 2.6g, in nitrogen atmosphere, 350r/min reacts at 110 DEG C
Then 35min stops stirring, be cooled to 35 DEG C, after standing 2.5h, takes out the drying at 60 DEG C and obtains acrylic acid-grafted cocoanut shell
Fiber.
Embodiment 4
By 36 parts of magnetisable coating bentone adsorbent, 34 parts of acrylic acid-grafted coir, 10 parts of aluminium chloride, palygorskite
20 parts are uniformly mixed, and are milled to 200 mesh, 100 DEG C of baking 6h are up to a kind of dyeing waste water advanced treatment agent.
Wherein, magnetisable coating bentone adsorbent the preparation method comprises the following steps:
(4) by 45g FeCl2·4H2O and 24g FeCl3·6H2O is dissolved in 2L deionized water, after being sufficiently mixed uniformly
4g 0.3wt% neopelex is added, stirs evenly, it is 11 that ammonium hydroxide, which is added dropwise, and adjusts pH value, continue to be sufficiently stirred,
60 DEG C of constant temperature 2h crystallization, obtain black precipitate Fe3O4, product is isolated with magnet, is washed with deionized 5 times；
(2) 40g Fe is taken3O4It is configured to 40wt% aqueous solution, 2mL0.5mol/L hydrochloric acid, 4.2g sodium pyrophosphate, ultrasound is added
Dispersion 10min obtains Fe3O4Colloidal sol, the power 250w of ultrasonic disperse；
(3) 18g bentonite clay particle deionized water is impregnated into infiltration 35min, taking-up is placed in Fe in step (2)3O4Colloidal sol
In, absorption 7h is sufficiently stirred, is washed to neutrality, is placed in 60 DEG C of baking ovens and dries 4h, be then crushed to powdered, forged at 500 DEG C
It burns 5.5h and obtains magnetisable coating bentone adsorbent.
Acrylic acid-grafted coir the preparation method comprises the following steps:
(1) after cocoanut shell being cleaned up drying, 200 meshes were crushed to, were rinsed 4-5 times repeatedly with distilled water, were filtered
Moisture removal is removed, obtains coconut shell powder in 60 DEG C of drying；
(2) coconut shell powder after drying is placed in irradiation tube, in air through 150,000 Curie60The irradiation of the source Co- γ, pre- spoke
It is 4Mrad according to dosage；
(3) coconut shell powder after irradiating 32g is dissolved in 200mL deionized water, and 16g acrylic monomers, 0.8g nitre is added
Sour cerium ammonium-ethylenediamine tetra-acetic acid and the bis- acrylic acid binary alcohol esters of 2.2g, in nitrogen atmosphere, 450r/min reacts at 90 DEG C
Then 55min stops stirring, be cooled to 35 DEG C, after standing 1.5h, takes out the drying at 60 DEG C and obtains acrylic acid-grafted cocoanut shell
Fiber.
Embodiment 5
By 40 parts of magnetisable coating bentone adsorbent, 31 parts of acrylic acid-grafted coir, 12 parts of aluminium chloride, palygorskite
18.5 parts are uniformly mixed, and are milled to 200 mesh, 100 DEG C of baking 6h are up to a kind of dyeing waste water advanced treatment agent.
Wherein, magnetisable coating bentone adsorbent the preparation method comprises the following steps:
(5) by 50g FeCl2·4H2O and 20g FeCl3·6H2O is dissolved in 2L deionized water, after being sufficiently mixed uniformly
4g 0.3wt% neopelex is added, stirs evenly, it is 11 that ammonium hydroxide, which is added dropwise, and adjusts pH value, continue to be sufficiently stirred,
60 DEG C of constant temperature 2h crystallization, obtain black precipitate Fe3O4, product is isolated with magnet, is washed with deionized 5 times；
(2) 40g Fe is taken3O4It is configured to 40wt% aqueous solution, 2mL0.5mol/L hydrochloric acid, 4.2g sodium pyrophosphate, ultrasound is added
Dispersion 12min obtains Fe3O4Colloidal sol, the power 200w of ultrasonic disperse；
(3) 18g bentonite clay particle deionized water is impregnated into infiltration 40min, taking-up is placed in Fe in step (2)3O4Colloidal sol
In, be sufficiently stirred absorption 6.5h, be washed to neutrality, be placed in 60 DEG C of baking ovens and dry 4h, be then crushed to it is powdered, at 600 DEG C
Calcining 4.5h obtains magnetisable coating bentone adsorbent.
Acrylic acid-grafted coir the preparation method comprises the following steps:
(1) after cocoanut shell being cleaned up drying, 200 meshes were crushed to, were rinsed 4-5 times repeatedly with distilled water, were filtered
Moisture removal is removed, obtains coconut shell powder in 60 DEG C of drying；
(2) coconut shell powder after drying is placed in irradiation tube, in air through 150,000 Curie60The irradiation of the source Co- γ, pre- spoke
It is 5Mrad according to dosage；
(3) coconut shell powder after irradiating 30g is dissolved in 200mL deionized water, and 18g acrylic monomers, 0.7g nitre is added
Sour cerium ammonium-ethylenediamine tetra-acetic acid and the bis- acrylic acid binary alcohol esters of 2.4g, in nitrogen atmosphere, 400r/min reacts at 100 DEG C
Then 45min stops stirring, be cooled to 35 DEG C, and after standing 2h, it is fine that taking-up drying at 60 DEG C obtains acrylic acid-grafted cocoanut shell
Dimension.
Comparative example 1
This comparative example is prepared for a kind of dyeing waste water advanced treatment agent, raw material and the preparation method is the same as that of Example 1, and difference is
Without magnetisable coating bentone adsorbent.
Comparative example 2
This comparative example is prepared for a kind of dyeing waste water advanced treatment agent, raw material and the preparation method is the same as that of Example 1, and difference is
Without acrylic acid-grafted coir.
The dyeing waste water advanced treatment agent being prepared in embodiment 1-5 and comparative example 1-2 is tested for the property:
Dyeing waste water: maximum absorption wavelength 583.6nm, BOD5For 900mg/L, CODCrFor 1200mg/L, coloration 500
Times, SS 700mg/L, pH value 10.36.
Percent of decolourization: using UV751-GD it is ultraviolet/visible spectrophotometer measurement dyeing waste water under a certain specific wavelength
Absorbance determines its percent of decolourization.
The measurement of COD removal rate test reference GB11914-89 water chemical oxygen demand: potassium dichromate method.
The measurement of BOD removal rate test reference HJ 505-2009 water quality five-day BOD (BOD5): dilution and inoculation
Method.
The measurement of SS removal rate refers to the measurement of 89 suspended matter of GB11901-: gravimetric method.
Micro heavy measurement uses atomic absorption method.
Test result see the table below:
Table 1
| CODcrRemoval rate/% | BOD5Removal rate/% | SS removal rate/% | Percent of decolourization/% | |
| Embodiment 1 | 94.61 | 91.55 | 92.17 | 97.16 |
| Embodiment 2 | 95.33 | 93.78 | 94.66 | 97.53 |
| Embodiment 3 | 97.52 | 94.62 | 95.13 | 98.14 |
| Embodiment 4 | 98.13 | 94.88 | 95.49 | 98.65 |
| Embodiment 5 | 98.67 | 96.54 | 96.21 | 99.87 |
| Comparative example 1 | 82.56 | 84.33 | 86.55 | 90.39 |
| Comparative example 2 | 81.37 | 85.57 | 82.46 | 91.42 |
Table 2
By test result it is found that the dyeing waste water advanced treatment agent that is prepared of the present invention in dyeing waste water coloration,
Turbidity, COD and BOD have preferable processing, and can remove removing heavy metals well, and treated, and waste water complies fully with discharge
It is required that.Formula and preparation method in embodiment 5 have reached optimal processing effect, treated waste water CODcrRemoval rate is
98.67%, BOD5Removal rate be 96.54%, SS removal rate be 96.21%, percent of decolourization 99.87%, to heavy metal Cr, Cd,
Cu and Ni also has good removal effect.
Claims (9)
1. a kind of dyeing waste water advanced treatment agent, which is characterized in that be made including following parts by weight of component:
32-46 parts of magnetisable coating bentone adsorbent, coir 24-38 parts acrylic acid-grafted, 8-16 parts of aluminium chloride, slope thread
15-22 parts of stone.
2. a kind of dyeing waste water advanced treatment agent according to claim 1, which is characterized in that the magnetisable coating swelling
The preparation method of earth adsorbing the following steps are included:
(1) by FeCl2·4H2O and FeCl3·6H2O is dissolved in deionized water, and detergent alkylate is added after being sufficiently mixed uniformly
Sodium sulfonate stirs evenly, and it is 10-12 that ammonium hydroxide, which is added dropwise, and adjusts pH value, continues to be sufficiently stirred, black precipitate Fe is obtained after crystallization3O4,
It is washed with deionized clean；
(2) Fe is taken3O4It is configured to aqueous solution, hydrochloric acid, sodium pyrophosphate is added, ultrasonic disperse is uniformly mixed and obtains Fe3O4Colloidal sol；
(3) bentonite clay particle is impregnated with deionized water and is infiltrated, taking-up is placed in Fe3O4In colloidal sol, absorption is sufficiently stirred, is washed to
Powder is pulverized into neutrality, drying, and calcining obtains magnetisable coating bentone adsorbent.
3. a kind of dyeing waste water advanced treatment agent according to claim 2, which is characterized in that FeCl in step (1)2·
4H2O、FeCl3·6H2The weight ratio of O and neopelex is (10-15): (2-8): 1.
4. a kind of dyeing waste water advanced treatment agent according to claim 2, which is characterized in that ultrasound point in step (2)
Scattered power is 100-300w, and the time of ultrasonic disperse is 8-15min.
5. a kind of dyeing waste water advanced treatment agent according to claim 2, which is characterized in that step (3) calcination temperature
It is 400-800 DEG C, calcination time 3-6h.
6. a kind of dyeing waste water advanced treatment agent according to claim 1, which is characterized in that the acrylic acid-grafted coconut palm
The preparation method of sub- case fibre the following steps are included:
(1) after cocoanut shell being cleaned up drying, 200 meshes were crushed to, with distilled water rinsed clean, suction filtration removes moisture removal,
Drying obtains coconut shell powder；
(2) coconut shell powder after drying is placed in irradiation tube, carries out radiation treatment；
(3) coconut shell powder after irradiation is dissolved in deionized water, acrylic monomers, ammonium ceric nitrate-ethylenediamine tetra-acetic acid is added
And double acrylic acid binary alcohol esters, stopping stirring after 50min is reacted in nitrogen atmosphere, cooling is stood, and then obtained by drying third
Olefin(e) acid is grafted coir.
7. a kind of dyeing waste water advanced treatment agent according to claim 6, which is characterized in that pre-irradiation agent in step (2)
Amount is 3-7Mrad.
8. a kind of dyeing waste water advanced treatment agent according to claim 6, which is characterized in that coconut shell powder in step (3),
The weight ratio of acrylic monomers, ammonium ceric nitrate-ethylenediamine tetra-acetic acid and double acrylic acid binary alcohol esters is (12-18): (7-11):
(0.25-0.45): (1-1.4).
9. the preparation method of -8 any a kind of dyeing waste water advanced treatment agents according to claim 1, includes the following steps:
It is in proportion that magnetisable coating bentone adsorbent, acrylic acid-grafted coir, aluminium chloride and palygorskite mechanical mixture is uniform,
200 mesh are milled to, it is then obtained by drying.
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