CN110342606A - A kind of medical waste water inorganic agent and preparation method thereof - Google Patents
A kind of medical waste water inorganic agent and preparation method thereof Download PDFInfo
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- CN110342606A CN110342606A CN201910714703.3A CN201910714703A CN110342606A CN 110342606 A CN110342606 A CN 110342606A CN 201910714703 A CN201910714703 A CN 201910714703A CN 110342606 A CN110342606 A CN 110342606A
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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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F2101/30—Organic compounds
-
- 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
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
Abstract
The invention discloses a kind of preparation methods of medical waste water inorganic agent, which comprises the steps of: the preparation of step S1, porous Ti-Dy-Sb-O-B；Step S2, the preparation of modified porous Ti-Ho-Sb-O-B；Step S3, the preparation of resin is adsorbed；Step S4, the molding of medical waste water inorganic agent.The invention also discloses the medical waste water inorganic agents being prepared according to the preparation method of the medical waste water inorganic agent.Medical waste water inorganic agent disclosed by the invention, which need to only add seldom amount, can play preferable water treatment effect, and treatment effeciency is high, and stability is good, pollution-free using safety and environmental protection.
Description
Technical field
The present invention relates at waste water treating agent technical field more particularly to a kind of medical waste water with environmental protecting sterilized performance
Manage agent and preparation method thereof.
Background technique
In recent years, with the development of science and technology medical chemistry industry development is rapid, various functional drugs are developed,
These functional drugs alleviate the pain of patient and its family members, alleviate their spirit and economic burden.However, and this
Meanwhile medical chemistry industry is in process of production, inevitably gives off a large amount of organic wastewaters, not only has in these waste water
Machine object concentration is high, and complicated component, containing the substance to the toxic effect of biology, has stronger toxicity to microorganism and is difficult to
Biodegrade causes serious pollution to our environment, threatens human life and health, environmental protection to pharmaceutical manufacturer and
Energy-saving and emission-reduction cause great pressure, and being handled medical waste water, which already becomes researchers in the industry, has to the difficulty faced
Topic.
Currently used medical waste water processing method includes physical method, chemical method and bioanalysis etc., and physical method exists more
Treatment effect is bad, and handling rate is unstable, is also easy to produce secondary pollution problem, and biological method processing cost is excessively high, is not suitable for promoting
It uses, chemical method is to carry out a kind of method of wastewater treatment by launching waste water treating agent, and this method high treating effect is shown in
Effect is fast, but the waste water treating agent itself used usually there is pollution problem, will cause certain influence to environment.These methods
It is simple to be used to handle pharmaceutical wastewater, qualified discharge is tended not to, it generally requires a variety of methods and be used in combination to can be only achieved processing
Effect.
108236919 A of Chinese invention patent CN discloses the graphene oxide of a kind of surface modification and its useless in medicine
The graphene oxide of application in water process, surface modification is prepared by the following method: adding graphene oxide into second two
In the mixed solution of pure and mild acetone, it is uniform that nanometer iron chloride ultrasonic disperse is added in ultrasonic disperse, then sodium acetate is added to above-mentioned
Solution is vigorously stirred, and the chitosan for being dissolved in acetic acid aqueous solution is then added, and the mixed solution of formation is put after mixing evenly
Enter hydrothermal reaction kettle and carry out hydro-thermal reaction, washed, be dried in vacuo with ethyl alcohol and deionized water after being cooled to room temperature to obtain the final product.The invention
The graphene oxide of the surface modification of offer can be used for adsorbing the sulfa drugs in pharmaceutical wastewater, and this waste water treating agent is inhaled
Attached capacity is limited, and additive amount is big, expensive, and there are problems that secondary pollution.
Therefore, a kind of high treating effect is developed, treatment effeciency is high, and stability is good, and additive amount is small, uses safety and environmental protection
Pollution-free, the medical waste water treating agent that can effectively remove the common pathogen in medical waste water has very important meaning
Justice.
Summary of the invention
Present invention seek to address that the above problem, a kind of medical waste water inorganic agent and preparation method thereof, the preparation method are provided
Simple process, easy to operate, need to only add seldom amount can play preferable water treatment effect, and treatment effeciency is high, property
Stabilizability is good, pollution-free using safety and environmental protection.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of preparation method of medical waste water inorganic agent, includes the following steps:
Step S1, the preparation of porous Ti-Dy-Sb-O-B: successively by titanium tetrachloride, dysprosium nitrate, antimony trichloride and Boratex
It is added in alcoholic solvent, stirs 0.5-1 hours, be then slowly added into sodium acetate, form solution after continuing stirring 1-2 hours, then
It transfers the solution into the hydrothermal reaction kettle of polyvinyl fluoride liner, hydro-thermal reaction 18-22 hours at 220-240 DEG C, then will
Hydrothermal reaction kettle take out and cooled to room temperature, by hydrothermal reaction kettle crude product deionized water and dehydrated alcohol successively
After cleaning, dry 10-16h, obtains granular precursor in 70-80 DEG C of vacuum oven, finally by granular precursor in
Constant temperature pre-burning 8-12h in 550-650 DEG C of Muffle furnace, after be cooled to room temperature, cross 100-300 mesh mesh, obtain porous Ti-Dy-Sb-
O-B；
Step S2, the preparation of modified porous Ti-Ho-Sb-O-B: the porous Ti-Dy-Sb- that will be prepared by step S1
O-B is scattered in organic solvent, then ethyoxyl tri-phenyl-silane is added thereto, is stirred to react at 60-80 DEG C 3-5 hours,
After filter, it is dry, obtain modified porous Ti-Ho-Sb-O-B；
Step S3, the preparation of resin is adsorbed: by 2- acetamido methyl acrylate, allyl triethyl group germane, triphen oxygen
Base vinyl silanes, initiator are added in high boiling solvent, in nitrogen or atmosphere of inert gases, are stirred at 70-80 DEG C anti-
Answer 3-5 hours, after settle out in water, then with ethanol washing, finally dry, obtain absorption resin；
Step S4, the molding of medical waste water inorganic agent: the modified porous Ti-Ho-Sb-O- that will be prepared by step S2
B, the bis- [4- (2- of absorption resin, nanometer micropore activated silica, azodiisobutyronitrile, 1,1'- sulfuryl being prepared by step S3
Propylene) oxygroup benzene] mixture is obtained after mixing, extrusion molding in double screw extruder is then added mixture into, is cut
Grain, obtains medical waste water inorganic agent.
Further, titanium tetrachloride described in step S1, dysprosium nitrate, antimony trichloride, Boratex, alcoholic solvent, sodium acetate
Mass ratio is 1:(0.03-0.06): 0.05:0.01:(3-5): 1.5.
Preferably, the alcoholic solvent is selected from least one of ethyl alcohol, ethylene glycol, isopropanol.
Further, the quality of porous Ti-Dy-Sb-O-B, organic solvent, ethyoxyl tri-phenyl-silane described in step S2
Than being 1:(3-5): 0.3.
Preferably, the organic solvent is selected from least one of ethyl alcohol, methylene chloride, tetrahydrofuran.
Further, 2- acetamido methyl acrylate described in step S3, allyl triethyl group germane, triple phenoxyl second
Alkenyl silanes, initiator, high boiling solvent mass ratio be 1:0.2:0.5:(0.01-0.02): (6-10).
Preferably, the initiator is selected from least one of azodiisobutyronitrile, azobisisoheptonitrile.
Preferably, the high boiling solvent is selected from n,N-Dimethylformamide, N-Methyl pyrrolidone, dimethyl sulfoxide, N,
At least one of N- dimethyl acetamide.
Preferably, the inert gas is selected from one of helium, neon, argon gas.
Further, modified porous Ti-Ho-Sb-O-B described in step S4, absorption resin, nanometer micropore activated silica, idol
The mass ratio of nitrogen bis-isobutyronitrile, 1,1'- sulfuryl bis- [4- (2- propylene) oxygroup benzene] is (0.2-0.4): 1:0.1:0.02:0.1.
Preferably, the extrusion molding specifically: control screw speed 50-70r/min, 190-200 DEG C of extrusion temperature.
Further, a kind of medical waste water that the preparation method using the medical waste water inorganic agent is prepared processing
Agent.
The beneficial effects of adopting the technical scheme are that
(1) medical waste water inorganic agent provided by the invention, preparation cost is cheap, and preparation is abundant with raw material sources, prepares work
Skill is easy to operate, is suitble to large-scale production, application value with higher.
(2) medical waste water inorganic agent provided by the invention overcomes waste water treating agent poor processing effect in the prior art,
The technical issues of slow effect, usage amount is big, itself usually there is pollution problem, will cause certain influence to environment, has
Seldom amount, which need to only be added, can play preferable water treatment effect, and treatment effeciency is high, and stability is good, and use is safe
Environment friendly and pollution-free advantage.
(3) medical waste water inorganic agent provided by the invention, combining has in physical absorption and photocatalysis Decomposition medical waste water
The wastewater treatment mode of evil organic matter, so that better processing effect, the modified porous Ti-Ho-Sb-O-B of addition has preferable
Visible light responsible photocatalytic efficiency, porous structure can play suction-operated to the harmful organic substance in medical waste water；By Ho,
The doping of the heterogeneous elements such as Sb, B has widened its visible light-responded range, has improved photocatalysis efficiency；Surface uses ethyoxyl three
Phenyl silane is modified, on the one hand, is conducive to the dispersion of porous Ti-Ho-Sb-O-B and the compatibility between other compositions；It is another
Aspect, more phenyl ring conjugated structures have certain organic photocatalysis efficiency, further widen visible light-responded range, improve light
Catalytic efficiency.
(4) medical waste water inorganic agent provided by the invention, addition adsorb resin, contain the knot such as amide groups, ester group in resin
Structure has preferable suction-operated to harmful organic substance, and 2- acetamido methacrylate monomer structure makes inorganic agent to water
Microorganism in body has a sterilization antibacterial action, the addition of 1,1'- sulfuryl bis- [4- (2- propylene) oxygroup benzene] in formative stage and
Resin cross-linked graft is adsorbed, three-dimensional net structure is formed, improves the comprehensive performance of material；And also contain germanium on absorption resin branch
Alkyl structure further increases photocatalysis efficiency and effect；And by addition absorption resin, so that modified porous Ti-Ho-Sb-O-B
Structure has support carrier, in wastewater treatment process, easily separated post-processing.
(5) nanometer micropore activated silica is added, since it compares table with biggish in medical waste water inorganic agent provided by the invention
Area has preferable absorption and treatment function, after addition, act synergistically with other compositions, improves water treatment effect.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, and make features described above of the invention,
Purpose and advantage are more clear understandable, and the present invention will be further explained with reference to the examples below.Embodiment is only used for
It is bright the present invention rather than limit the scope of the invention.
The raw material being related in the following embodiments of the present invention is commercially available.
Embodiment 1
A kind of preparation method of medical waste water inorganic agent, includes the following steps:
Step S1, the preparation of porous Ti-Dy-Sb-O-B: by titanium tetrachloride 100g, dysprosium nitrate 3g, antimony trichloride 5g and boron
Sour sodium 1g is added sequentially in ethyl alcohol 300g, is stirred 0.5 hour, is then slowly added into sodium acetate 150g, after continuing stirring 1 hour
Solution is formed, then is transferred the solution into the hydrothermal reaction kettle of polyvinyl fluoride liner, hydro-thermal reaction 18 hours, connect at 220 DEG C
By hydrothermal reaction kettle take out and cooled to room temperature, by the crude product deionized water and dehydrated alcohol in hydrothermal reaction kettle
After successively cleaning, dry 10h, obtains granular precursor, finally by granular precursor in 550 DEG C in 70 DEG C of vacuum oven
Constant temperature pre-burning 8h in Muffle furnace, after be cooled to room temperature, cross 100 mesh meshes, obtain porous Ti-Dy-Sb-O-B；
Step S2, the preparation of modified porous Ti-Ho-Sb-O-B: the porous Ti-Dy-Sb- that will be prepared by step S1
O-B 100g is scattered in ethyl alcohol 300g, then ethyoxyl tri-phenyl-silane 30g is added thereto, and it is small to be stirred to react 3 at 60 DEG C
When, it is rear to filter, it is dry, obtain modified porous Ti-Ho-Sb-O-B；
Step S3, adsorb resin preparation: by 2- acetamido methyl acrylate 100g, allyl triethyl group germane 20g,
Triple phenoxyl vinyl silanes 50g, azodiisobutyronitrile 1g are added in n,N-Dimethylformamide 600g, in nitrogen atmosphere,
Be stirred to react at 70 DEG C 3 hours, after settle out in water, then with ethanol washing, finally dry, obtain absorption resin；
Step S4, the molding of medical waste water inorganic agent: the modified porous Ti-Ho-Sb-O- that will be prepared by step S2
B 20g, absorption resin 100g, the nanometer micropore activated silica 10g, azodiisobutyronitrile 2g, 1,1'- being prepared by step S3
Bis- [4- (2- propylene) oxygroup benzene] 10g of sulfuryl obtain mixture after mixing, then add mixture into twin-screw extrusion
Extrusion molding in machine, pelletizing obtain medical waste water inorganic agent；The extrusion molding specifically: control screw speed 50r/min,
190 DEG C of extrusion temperature.
A kind of medical waste water inorganic agent that the preparation method using the medical waste water inorganic agent is prepared.
Embodiment 2
A kind of preparation method of medical waste water inorganic agent, includes the following steps:
Step S1, the preparation of porous Ti-Dy-Sb-O-B: by titanium tetrachloride 100g, dysprosium nitrate 3.5g, antimony trichloride 5g and
Boratex 1g is added sequentially in ethylene glycol 350g, is stirred 0.6 hour, is then slowly added into sodium acetate 150g, continues stirring 1.2
Solution is formed after hour, then is transferred the solution into the hydrothermal reaction kettle of polyvinyl fluoride liner, hydro-thermal reaction 19 is small at 225 DEG C
When, hydrothermal reaction kettle is then taken out into simultaneously cooled to room temperature, by the crude product deionized water and nothing in hydrothermal reaction kettle
After water-ethanol is successively cleaned, dry 12h, obtains granular precursor, finally by granular precursor in 73 DEG C of vacuum oven
The constant temperature pre-burning 9h in 570 DEG C of Muffle furnaces, after be cooled to room temperature, cross 150 mesh meshes, obtain porous Ti-Dy-Sb-O-B；
Step S2, the preparation of modified porous Ti-Ho-Sb-O-B: the porous Ti-Dy-Sb- that will be prepared by step S1
O-B 100g is scattered in methylene chloride 350g, then ethyoxyl tri-phenyl-silane 30g is added thereto, is stirred to react at 65 DEG C
It is 3.5 hours, rear to filter, it is dry, obtain modified porous Ti-Ho-Sb-O-B；
Step S3, adsorb resin preparation: by 2- acetamido methyl acrylate 100g, allyl triethyl group germane 20g,
Triple phenoxyl vinyl silanes 50g, azobisisoheptonitrile 1.3g are added in N-Methyl pyrrolidone 700g, in helium atmosphere,
Be stirred to react at 73 DEG C 3.5 hours, after settle out in water, then with ethanol washing, finally dry, obtain absorption resin；
Step S4, the molding of medical waste water inorganic agent: the modified porous Ti-Ho-Sb-O- that will be prepared by step S2
B 25g, absorption resin 100g, the nanometer micropore activated silica 10g, azodiisobutyronitrile 2g, 1,1'- being prepared by step S3
Bis- [4- (2- propylene) oxygroup benzene] 10g of sulfuryl obtain mixture after mixing, then add mixture into twin-screw extrusion
Extrusion molding in machine, pelletizing obtain medical waste water inorganic agent；The extrusion molding specifically: control screw speed 55r/min,
193 DEG C of extrusion temperature.
A kind of medical waste water inorganic agent that the preparation method using the medical waste water inorganic agent is prepared.
Embodiment 3
A kind of preparation method of medical waste water inorganic agent, includes the following steps:
Step S1, the preparation of porous Ti-Dy-Sb-O-B: by titanium tetrachloride 100g, dysprosium nitrate 4.5g, antimony trichloride 5g and
Boratex 1g is added sequentially in isopropanol 400g, is stirred 0.7 hour, is then slowly added into sodium acetate 150g, continues stirring 1.5
Solution is formed after hour, then is transferred the solution into the hydrothermal reaction kettle of polyvinyl fluoride liner, hydro-thermal reaction 20 is small at 230 DEG C
When, hydrothermal reaction kettle is then taken out into simultaneously cooled to room temperature, by the crude product deionized water and nothing in hydrothermal reaction kettle
After water-ethanol is successively cleaned, dry 13h, obtains granular precursor, finally by granular precursor in 75 DEG C of vacuum oven
The constant temperature pre-burning 10h in 590 DEG C of Muffle furnaces, after be cooled to room temperature, cross 200 mesh meshes, obtain porous Ti-Dy-Sb-O-B；
Step S2, the preparation of modified porous Ti-Ho-Sb-O-B: the porous Ti-Dy-Sb- that will be prepared by step S1
O-B 100g is scattered in tetrahydrofuran 400g, then ethyoxyl tri-phenyl-silane 30g is added thereto, is stirred to react at 70 DEG C
It is 4 hours, rear to filter, it is dry, obtain modified porous Ti-Ho-Sb-O-B；
Step S3, adsorb resin preparation: by 2- acetamido methyl acrylate 100g, allyl triethyl group germane 20g,
Triple phenoxyl vinyl silanes 50g, azodiisobutyronitrile 1.5g are added in dimethyl sulfoxide 800g, in neon atmosphere, in 75 DEG C
Under be stirred to react 4 hours, after settle out in water, then with ethanol washing, finally dry, obtain absorption resin；
Step S4, the molding of medical waste water inorganic agent: the modified porous Ti-Ho-Sb-O- that will be prepared by step S2
B 30g, absorption resin 100g, the nanometer micropore activated silica 10g, azodiisobutyronitrile 2g, 1,1'- being prepared by step S3
Bis- [4- (2- propylene) oxygroup benzene] 10g of sulfuryl obtain mixture after mixing, then add mixture into twin-screw extrusion
Extrusion molding in machine, pelletizing obtain medical waste water inorganic agent；The extrusion molding specifically: control screw speed 60r/min,
195 DEG C of extrusion temperature.
A kind of medical waste water inorganic agent that the preparation method using the medical waste water inorganic agent is prepared.
Embodiment 4
A kind of preparation method of medical waste water inorganic agent, includes the following steps:
Step S1, the preparation of porous Ti-Dy-Sb-O-B: by titanium tetrachloride 100g, dysprosium nitrate 5g, antimony trichloride 5g and boron
Sour sodium 1g is added sequentially in alcoholic solvent 450g, is stirred 0.9 hour, is then slowly added into sodium acetate 150g, and it is small to continue stirring 1.9
When after form solution, then transfer the solution into the hydrothermal reaction kettle of polyvinyl fluoride liner, hydro-thermal reaction 21 is small at 235 DEG C
When, hydrothermal reaction kettle is then taken out into simultaneously cooled to room temperature, by the crude product deionized water and nothing in hydrothermal reaction kettle
After water-ethanol is successively cleaned, dry 15h, obtains granular precursor, finally by granular precursor in 78 DEG C of vacuum oven
The constant temperature pre-burning 11h in 630 DEG C of Muffle furnaces, after be cooled to room temperature, cross 200 mesh meshes, obtain porous Ti-Dy-Sb-O-B；It is described
Alcoholic solvent is ethyl alcohol, ethylene glycol, isopropanol 1:2:3 in mass ratio are mixed；
Step S2, the preparation of modified porous Ti-Ho-Sb-O-B: the porous Ti-Dy-Sb- that will be prepared by step S1
O-B 100g is scattered in organic solvent 450g, then ethyoxyl tri-phenyl-silane 30g is added thereto, is stirred to react at 75 DEG C
It is 4.5 hours, rear to filter, it is dry, obtain modified porous Ti-Ho-Sb-O-B；The organic solvent is ethyl alcohol, methylene chloride, tetrahydro
Furans 1:2:4 in mass ratio is mixed；
Step S3, adsorb resin preparation: by 2- acetamido methyl acrylate 100g, allyl triethyl group germane 20g,
Triple phenoxyl vinyl silanes 50g, initiator 1.8g are added in high boiling solvent 900g, in argon atmosphere, are stirred at 78 DEG C
Mix reaction 4.5 hours, after settle out in water, then use ethanol washing, finally dry, obtain adsorb resin；The initiator is even
Nitrogen bis-isobutyronitrile, azobisisoheptonitrile 3:5 in mass ratio are mixed；The high boiling solvent be N,N-dimethylformamide,
N-Methyl pyrrolidone, dimethyl sulfoxide, DMAC N,N' dimethyl acetamide 1:2:1:3 in mass ratio are mixed；
Step S4, the molding of medical waste water inorganic agent: the modified porous Ti-Ho-Sb-O- that will be prepared by step S2
B 35g, absorption resin 100g, the nanometer micropore activated silica 10g, azodiisobutyronitrile 2g, 1,1'- being prepared by step S3
Bis- [4- (2- propylene) oxygroup benzene] 10g of sulfuryl obtain mixture after mixing, then add mixture into twin-screw extrusion
Extrusion molding in machine, pelletizing obtain medical waste water inorganic agent；The extrusion molding specifically: control screw speed 65r/min,
198 DEG C of extrusion temperature.
A kind of medical waste water inorganic agent that the preparation method using the medical waste water inorganic agent is prepared.
Embodiment 5
A kind of preparation method of medical waste water inorganic agent, includes the following steps:
Step S1, the preparation of porous Ti-Dy-Sb-O-B: by titanium tetrachloride 100g, dysprosium nitrate 6g, antimony trichloride 5g and boron
Sour sodium 1g is added sequentially in ethyl alcohol 500g, is stirred 1 hour, is then slowly added into sodium acetate 150g, and shape after stirring 2 hours is continued
It at solution, then transfers the solution into the hydrothermal reaction kettle of polyvinyl fluoride liner, hydro-thermal reaction 22 hours at 240 DEG C, then
By hydrothermal reaction kettle take out and cooled to room temperature, by hydrothermal reaction kettle crude product deionized water and dehydrated alcohol according to
It is secondary clean after, dry 16h, obtains granular precursor, finally by granular precursor in 650 DEG C of horses in 80 DEG C of vacuum oven
Not constant temperature pre-burning 12h in furnace, after be cooled to room temperature, cross 300 mesh meshes, obtain porous Ti-Dy-Sb-O-B；
Step S2, the preparation of modified porous Ti-Ho-Sb-O-B: the porous Ti-Dy-Sb- that will be prepared by step S1
O-B 100g is scattered in methylene chloride 500g, then ethyoxyl tri-phenyl-silane 30g is added thereto, is stirred to react at 80 DEG C
It is 5 hours, rear to filter, it is dry, obtain modified porous Ti-Ho-Sb-O-B；
Step S3, adsorb resin preparation: by 2- acetamido methyl acrylate 100g, allyl triethyl group germane 20g,
Triple phenoxyl vinyl silanes 50g, azobisisoheptonitrile 2g are added in n,N-dimethylacetamide 1000g, in nitrogen atmosphere,
Be stirred to react at 80 DEG C 5 hours, after settle out in water, then with ethanol washing, finally dry, obtain absorption resin；
Step S4, the molding of medical waste water inorganic agent: the modified porous Ti-Ho-Sb-O- that will be prepared by step S2
B 40g, absorption resin 100g, the nanometer micropore activated silica 10g, azodiisobutyronitrile 2g, 1,1'- being prepared by step S3
Bis- [4- (2- propylene) oxygroup benzene] 10g of sulfuryl obtain mixture after mixing, then add mixture into twin-screw extrusion
Extrusion molding in machine, pelletizing obtain medical waste water inorganic agent；The extrusion molding specifically: control screw speed 70r/min,
200 DEG C of extrusion temperature.
A kind of medical waste water inorganic agent that the preparation method using the medical waste water inorganic agent is prepared.
Comparative example 1
This example provides a kind of medical waste water inorganic agent, and preparation method and formula are substantially the same manner as Example 1, different
It is to replace modified porous Ti-Ho-Sb-O-B with porous Ti-Ho-Sb-O-B.
Comparative example 2
This example provides a kind of medical waste water inorganic agent, and preparation method and formula are substantially the same manner as Example 1, different
It is not add absorption resin.
Comparative example 3
This example provides a kind of medical waste water inorganic agent, and preparation method and formula are substantially the same manner as Example 1, different
It is not add nanometer micropore activated silica.
Comparative example 4
This example provides a kind of medical waste water inorganic agent, and preparation method and formula are substantially the same manner as Example 1, different
It is not add nanometer micropore activated silica.
Comparative example 5
This example provides a kind of medical waste water inorganic agent, and preparation method and formula are substantially the same manner as Example 1, different
It is that not add 1,1'- sulfuryl bis- [4- (2- propylene) oxygroup benzene].
Comparative example 6
Commercially available titanium dioxide waste water treating agent.
By waste water treating agent described in above embodiments 1-5 and comparative example 1-6 and applied to the processing of medical waste water, and will
Treated sewage carries out dependence test, test result such as table 1 with the standard in GB8978-1996.
Table 1 passes in and out water quality monitoring result
| Project | COD(mg/L) | BOD(mg/L) | SS(mg/L) |
| Water inlet | 13000 | 5000 | 3796 |
| Embodiment 1 | 1050 | 372 | 320 |
| Embodiment 2 | 1030 | 367 | 315 |
| Embodiment 3 | 1000 | 358 | 306 |
| Embodiment 4 | 980 | 339 | 295 |
| Embodiment 5 | 950 | 330 | 289 |
| Comparative example 1 | 1300 | 495 | 460 |
| Comparative example 2 | 1280 | 501 | 453 |
| Comparative example 3 | 1270 | 504 | 464 |
| Comparative example 4 | 1250 | 510 | 465 |
| Comparative example 5 | 1210 | 488 | 359 |
| Comparative example 6 | 1320 | 600 | 490 |
As seen from Table 1, waste water treating agent disclosed by the embodiments of the present invention, compared with conventional waste water inorganic agent, wastewater treatment
Effect is more significant.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of preparation method of medical waste water inorganic agent, which comprises the steps of:
Step S1, the preparation of porous Ti-Dy-Sb-O-B: titanium tetrachloride, dysprosium nitrate, antimony trichloride and Boratex are sequentially added
It into alcoholic solvent, stirs 0.5-1 hours, is then slowly added into sodium acetate, form solution after continuing stirring 1-2 hours, then will be molten
Liquid is transferred in the hydrothermal reaction kettle of polyvinyl fluoride liner, hydro-thermal reaction 18-22 hours at 220-240 DEG C, then by hydro-thermal
Reaction kettle takes out and cooled to room temperature, and the deionized water of the crude product in hydrothermal reaction kettle and dehydrated alcohol are successively cleaned
Afterwards, the dry 10-16h in 70-80 DEG C of vacuum oven, obtains granular precursor, finally by granular precursor in 550-650
Constant temperature pre-burning 8-12h in DEG C Muffle furnace, after be cooled to room temperature, cross 100-300 mesh mesh, obtain porous Ti-Dy-Sb-O-B；
Step S2, the preparation of modified porous Ti-Ho-Sb-O-B: the porous Ti-Dy-Sb-O-B that will be prepared by step S1
It is scattered in organic solvent, then ethyoxyl tri-phenyl-silane is added thereto, be stirred to react at 60-80 DEG C 3-5 hours, it is rear to take out
Filter, it is dry, obtain modified porous Ti-Ho-Sb-O-B；
Step S3, the preparation of resin is adsorbed: by 2- acetamido methyl acrylate, allyl triethyl group germane, triple phenoxyl second
Alkenyl silanes, initiator are added in high boiling solvent, in nitrogen or atmosphere of inert gases, are stirred to react 3-5 at 70-80 DEG C
Hour, after settle out in water, then use ethanol washing, finally dry, obtain adsorb resin；
Step S4, the molding of medical waste water inorganic agent: modified porous Ti-Ho-Sb-O-B, the warp that will be prepared by step S2
Cross the bis- [4- (2- propylene) of absorption resin, nanometer micropore activated silica, azodiisobutyronitrile, 1,1'- sulfuryl that step S3 is prepared
Oxygroup benzene] mixture is obtained after mixing, extrusion molding in double screw extruder is then added mixture into, pelletizing obtains
To medical waste water inorganic agent.
2. a kind of preparation method of medical waste water inorganic agent according to claim 1, which is characterized in that described in step S1
Titanium tetrachloride, dysprosium nitrate, antimony trichloride, Boratex, alcoholic solvent, sodium acetate mass ratio be 1:(0.03-0.06): 0.05:
0.01:(3-5):1.5。
3. a kind of preparation method of medical waste water inorganic agent according to claim 1, which is characterized in that the alcoholic solvent choosing
From at least one of ethyl alcohol, ethylene glycol, isopropanol.
4. a kind of preparation method of medical waste water inorganic agent according to claim 1, which is characterized in that described in step S2
Porous Ti-Dy-Sb-O-B, organic solvent, ethyoxyl tri-phenyl-silane mass ratio be 1:(3-5): 0.3.
5. a kind of preparation method of medical waste water inorganic agent according to claim 1, which is characterized in that the organic solvent
Selected from least one of ethyl alcohol, methylene chloride, tetrahydrofuran.
6. a kind of preparation method of medical waste water inorganic agent according to claim 1, which is characterized in that described in step S3
2- acetamido methyl acrylate, allyl triethyl group germane, triple phenoxyl vinyl silanes, initiator, high boiling solvent
Mass ratio is 1:0.2:0.5:(0.01-0.02): (6-10).
7. a kind of preparation method of medical waste water inorganic agent according to claim 1, which is characterized in that the initiator choosing
From at least one of azodiisobutyronitrile, azobisisoheptonitrile；The high boiling solvent is selected from N,N-dimethylformamide, N-
At least one of methyl pyrrolidone, dimethyl sulfoxide, DMAC N,N' dimethyl acetamide；The inert gas be selected from helium, neon,
One of argon gas.
8. a kind of preparation method of medical waste water inorganic agent according to claim 1, which is characterized in that described in step S4
Modified porous Ti-Ho-Sb-O-B, absorption resin, nanometer micropore activated silica, azodiisobutyronitrile, the bis- [4- (2- third of 1,1'- sulfuryl
Alkene) oxygroup benzene] mass ratio be (0.2-0.4): 1:0.1:0.02:0.1.
9. a kind of preparation method of medical waste water inorganic agent according to claim 1, which is characterized in that the extrusion molding
Specifically: control screw speed 50-70r/min, 190-200 DEG C of extrusion temperature.
10. a kind of medical treatment that the preparation method using any one of the claim 1-9 medical waste water inorganic agent is prepared is useless
Water treatment agent.
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| CN112063302A (en) * | 2020-09-23 | 2020-12-11 | 何志强 | Environment-friendly woodware paint and preparation method thereof |
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