CN107551989A - A kind of porous microsphere for purification of water quality and preparation method thereof - Google Patents
A kind of porous microsphere for purification of water quality and preparation method thereof Download PDFInfo
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- CN107551989A CN107551989A CN201711003856.4A CN201711003856A CN107551989A CN 107551989 A CN107551989 A CN 107551989A CN 201711003856 A CN201711003856 A CN 201711003856A CN 107551989 A CN107551989 A CN 107551989A
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Abstract
The present invention provides a kind of porous microsphere for purification of water quality and preparation method thereof, raw material includes 50 60 parts of diatomite, 15 30 parts of attapulgite, 10 15 parts of germanite powder, 13 parts of ammonium carbonate and 13 parts of polyvinyl alcohol water solution, its preparation method includes the mix grinding of diatomite, attapulgite, germanite powder and ammonium carbonate, the mixing granulation added after polyvinyl alcohol water solution, extrusion forming and the roasting for progressively heating up and being incubated.Provided by the present invention for purification of water quality porous microsphere can effective absorbing harmful substances in water, activate water body, be advantageous to health, the feature of environmental protection is strong, and preparation technology is simple.
Description
Technical field
The invention belongs to new material technology field, is related to water quality purification material, and in particular to a kind of for purification of water quality
Porous microsphere and preparation method thereof.
Background technology
At present, the situation is tense for China's water pollution, and national seven great river River systems are by different degrees of pollution.Water pollution is not
Health care belt only to the mankind carrys out larger harm, also greatly increases production drinking water cost.In traditional Drinking Water Purification Processes
Micro quantity organic pollutant does not have obvious removal effect, it is also possible to which the harmful chlorine ion concentration for making to remain in water surpasses
Mark, water quality toxicological safety decline, and harm is further resulted in health.In recent years, people, which start to research and develop, uses porous material
Material carries out purification of water quality, but existing porous water-purifying material purifying water effect is bad, preparation technology is complicated, cost is high, it is difficult to big
Scale uses.
A kind of preparation method of diatomite-based porous ceramic microspheres (Application No. 201110228418.4) of patent of invention is public
Following steps are opened：(1) additive and water, wet ball grinding, slurry sieving are added in diatomite；Pore-creating is added in the diatomite
Agent, the addition of pore creating material are the 0.1-50% of diatomite quality；The pore creating material be selected from calcium carbonate, powdered carbon, ammonium hydrogen carbonate, can
One or more of soluble starch or polyethylene glycol；The additive is selected from calgon, sodium metasilicate, sodium carboxymethylcellulose
Or one or more of polyvinyl alcohol, the addition of additive are the 0.1-3% of diatomite quality；(2) slurry is spray-dried
Balling-up；(3) ball is burnt till at 900-1300 DEG C, soaking time 0.1-24h, is produced diatomite-based porous ceramic microspheres and is disclosed one
The preparation method of kind diatomite-based porous ceramic microspheres.The invention prepares ball using diatomite as primary raw material, by spray drying
Shape degree height (good fluidity), specific surface area are big, the porous ceramics microballoon of size tunable, and it is anti-to can be applied to the slurry bed systems such as F- T synthesis
The catalyst carrier answered, but not yet verify whether to can be used for field of water quality purification, and the microballoon is sintered in the case where rising to high temperature and obtained
, aperture is difficult to control.
Therefore be badly in need of one kind can effective absorbing harmful substances in water, activate water body, be advantageous to health, the feature of environmental protection is strong,
Preparation technology is simply to porous microsphere of purification of water quality and preparation method thereof.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, there is provided one kind can effective absorbing harmful substances in water, activation
Water body, be advantageous to health, the feature of environmental protection is strong, and preparation technology is simply to porous microsphere and its preparation side of purification of water quality
Method.
The invention provides following technical scheme：
A kind of porous microsphere for purification of water quality, raw material include diatomite, attapulgite, germanite powder, ammonium carbonate and gathered
Vinyl alcohol aqueous solution, the mass fraction of the raw material are as follows：
Diatomite：50-60 parts；
Attapulgite：15-30 parts；
Germanite powder：10-15 parts；
Ammonium carbonate：1-3 parts；
Polyvinyl alcohol water solution：1-3 parts.
Preferably, the mass concentration of the polyvinyl alcohol water solution is 1%.
Preferably, the diatomaceous mesh number is 1000 mesh.
Preferably, the mesh number of the attapulgite is 1000 mesh.
Preferably, the mesh number of the germanite powder is 500 mesh.
A kind of preparation method of above-mentioned porous microsphere for purification of water quality, comprises the following steps：
S1：Prepare the polyvinyl alcohol water solution that mass concentration is 1%；
S2：Diatomite, attapulgite, germanite powder and ammonium carbonate are weighed by formula rate, then input contains oxidation successively
Mix grinding 7-9 hours are carried out in the mix grinding tank of zirconium ball；
S3：The polyvinyl alcohol water solution that formula rate is added after mix grinding carries out mixing granulation, by the way of extrusion forming
Prepare microsphere；
S4：The microsphere obtained in S3 is placed in Muffle furnace, finished product is obtained with the baking modes for progressively heating up and being incubated.
Preferably, in the S3 microsphere a diameter of 4.5-5.4mm.
Preferably, the pressure of extrusion forming is 100MPa, dwell time 10s in the S3.
Preferably, the baking modes in the S4 are：With 5 DEG C/min heating rate from room temperature to 400 DEG C, and
2h is incubated at 400 DEG C, 800 DEG C are then warming up to from 400 DEG C with 10 DEG C/min heating rate, and be incubated at 800 DEG C
30mim。
The beneficial effects of the invention are as follows：
(1) diatomite in raw material of the present invention is a kind of high-quality natural porous nano sorbing material, its chemical composition
Based on silica, containing a variety of the essential trace elements of the human bodys, diatomaceous silica majority is noncrystal, solubility
Silicate content is 50-80%, and the metasilicate beneficial to human body can be formed in water.
(2) attapulgite in raw material of the present invention is a kind of porous nano sorbing material containing elements such as magnesium, aluminium, in water
It is strong to the adsorption capacity of impurities in water in processing procedure, it can recycle, consumption is small, and the feature of environmental protection is strong.
(3) the germanite powder in raw material of the present invention can sustained release far infrared, can make water-quality activating, promote human body to inhale
Receive, be advantageous to health.
(4) present invention forms the necessary network skeleton of ceramics with diatomaceous silica, with the magnesium in attapulgite, aluminium
It is Network modifier Deng composition, using ammonium carbonate as porous dose, ammonium carbonate decomposes rapidly during baking heat, produces substantial amounts of gas and overflows
Go out, so as to form a large amount of holes.
(5) porous microsphere that the present invention prepares, specific surface area is big, and good fluidity, adsorptivity is strong, can remove running water
In chlorion, so as to change the pH value of water, also may filter that the various harmful substances in water, release is a variety of beneficial to human body micro-
Secondary element.
(6) preparation technology of the invention is simple, easily operated；It is calcined, is had by the way of progressively heating up and being incubated
Beneficial to aperture is controlled, the hole of uniform pore diameter is produced.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the preparation technology flow chart of the present invention；
Fig. 2 is the self-control purifier in embodiment.
In figure mark for：1st, water inlet；2nd, delivery port；3rd, porous microsphere.
Embodiment
Embodiment 1
Such as the preparation technology flow chart that Fig. 1 is a kind of porous microsphere for purification of water quality, following steps are specifically included：
S1：Prepare the polyvinyl alcohol water solution that mass concentration is 1%；
S2：Weigh the diatomite 500g of 1000 mesh, the attapulgite 300g of 1000 mesh, the germanite powder 150g of 500 mesh, carbonic acid
Ammonium 30g, then put into successively in the mix grinding tank containing zirconia ball and carry out mix grinding 7 hours；
S3：The polyvinyl alcohol water solution 20g that concentration is 1% is added after mix grinding and carries out mixing granulation, using extrusion forming
Mode prepares a diameter of 4.5mm microsphere, and the wherein pressure of extrusion forming is 100MPa, dwell time 10s；
S4：The microsphere obtained in S3 is placed in Muffle furnace, finished product is obtained with the baking modes for progressively heating up and being incubated,
Specifically method of roasting is：With 5 DEG C/min heating rate from room temperature to 400 DEG C, and 2h is incubated at 400 DEG C, then with
10 DEG C/min heating rate is warming up to 800 DEG C from 400 DEG C, and is incubated 30mim at 800 DEG C.
The porous microsphere 3 for being used for purification of water quality made from the present embodiment is placed in container, self-control as shown in Figure 2 is made
Purifier.Drinking Water is taken from certain cell, is designated as raw water sample, raw water sample is injected from water inlet 1, purified through porous microsphere
Flowed out afterwards from delivery port 2, the water of outflow is designated as water sample 1.
Embodiment 2
Such as the preparation technology flow chart that Fig. 1 is a kind of porous microsphere for purification of water quality, following steps are specifically included：
S1：Prepare the polyvinyl alcohol water solution that mass concentration is 1%；
S2：1000 mesh diatomite 550g, 1000 mesh attapulgite 250g, 500 mesh germanite powder 150g, ammonium carbonate 25g are weighed,
Then put into successively in the mix grinding tank containing zirconia ball and carry out mix grinding 8 hours；
S3：The polyvinyl alcohol water solution 25g that concentration is 1% is added after mix grinding and carries out mixing granulation, using extrusion forming
Mode prepares a diameter of 5mm microsphere, and the wherein pressure of extrusion forming is 100MPa, dwell time 10s；
S4：The microsphere obtained in S3 is placed in Muffle furnace, finished product is obtained with the baking modes for progressively heating up and being incubated,
Specifically method of roasting is：With 5 DEG C/min heating rate from room temperature to 400 DEG C, and 2h is incubated at 400 DEG C, then with
10 DEG C/min heating rate is warming up to 800 DEG C from 400 DEG C, and is incubated 30mim at 800 DEG C.
The porous microsphere 3 for being used for purification of water quality made from the present embodiment is placed in container, self-control as shown in Figure 2 is made
Purifier.Raw water sample in embodiment 1 is injected from water inlet 1, flowed out after porous microsphere purifies from delivery port 2, is flowed out
Water be designated as water sample 2.
Embodiment 3
Such as the preparation technology flow chart that Fig. 1 is a kind of porous microsphere for purification of water quality, following steps are specifically included：
S1：Prepare the polyvinyl alcohol water solution that mass concentration is 1%；
S2：1000 mesh diatomite 600g, 1000 mesh attapulgite 250g, 500 mesh germanite powder 100g, ammonium carbonate 30g are weighed,
Then put into successively in the mix grinding tank containing zirconia ball and carry out mix grinding 9 hours；
S3：The polyvinyl alcohol water solution 20g that concentration is 1% is added after mix grinding and carries out mixing granulation, using extrusion forming
Mode prepares a diameter of 5.4mm microsphere, and the wherein pressure of extrusion forming is 100MPa, dwell time 10s；
S4：The microsphere obtained in S3 is placed in Muffle furnace, finished product is obtained with the baking modes for progressively heating up and being incubated,
Specifically method of roasting is：With 5 DEG C/min heating rate from room temperature to 400 DEG C, and 2h is incubated at 400 DEG C, then with
10 DEG C/min heating rate is warming up to 800 DEG C from 400 DEG C, and is incubated 30mim at 800 DEG C.
The porous microsphere 3 for being used for purification of water quality made from the present embodiment is placed in container, self-control as shown in Figure 2 is made
Purifier.Raw water sample in embodiment 1 is injected from water inlet 1, flowed out after porous microsphere purifies from delivery port 2, is flowed out
Water be designated as water sample 3.
Using water isolation type constant incubator, visible spectrophotometer, atomic fluorescence spectrophotometer, ion chromatograph, pH (acid
Degree) meter, instrument detection raw water sample, water sample 1, the water such as GC-MS gas chromatograph-mass spectrometers and ICP-MS icp mses
Sample 2 and water sample 3, testing result is as shown in table 1 below.
Table 1
As shown in Table 1, the total plate count of raw water sample exceedes national standard, though other parameters meet standard, numerical value is equal
Have higher, and every detection data of the water sample 1, water sample 2 and water sample 3 in embodiment 1-3 after porous microsphere purifies meet
National standard, and the content of the material such as total plate count, fluoride, chloride substantially reduces, and it is more to illustrate that the present invention prepares
Hole microballoon, adsorptivity is strong, can remove the chlorion in running water, so as to change the pH value of water, also may filter that various in water
Harmful substance.In addition, the porous microsphere reusable edible, the feature of environmental protection is strong, and preparation technology is simple, easily operated.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
1. a kind of porous microsphere for purification of water quality, it is characterised in that raw material includes diatomite, attapulgite, germanite powder, carbon
Sour ammonium and polyvinyl alcohol water solution, the mass fraction of the raw material are as follows：
Diatomite：50-60 parts；
Attapulgite：15-30 parts；
Germanite powder：10-15 parts；
Ammonium carbonate：1-3 parts；
Polyvinyl alcohol water solution：1-3 parts.
A kind of 2. porous microsphere for purification of water quality according to claim 1, it is characterised in that the polyvinyl alcohol water
The mass concentration of solution is 1%.
A kind of 3. porous microsphere for purification of water quality according to claim 1, it is characterised in that the diatomaceous mesh
Number is 1000 mesh.
4. a kind of porous microsphere for purification of water quality according to claim 1, it is characterised in that the attapulgite
Mesh number is 1000 mesh.
A kind of 5. porous microsphere for purification of water quality according to claim 1, it is characterised in that the mesh of the germanite powder
Number is 500 mesh.
6. the preparation method based on a kind of porous microsphere for purification of water quality in claim 1, it is characterised in that including following
Step：
S1：Prepare the polyvinyl alcohol water solution that mass concentration is 1%；
S2：Diatomite, attapulgite, germanite powder and ammonium carbonate are weighed by formula rate, then input contains zirconia ball successively
Mix grinding tank in carry out mix grinding 7-9 hours；
S3：The polyvinyl alcohol water solution that formula rate is added after mix grinding carries out mixing granulation, is prepared by the way of extrusion forming
Go out microsphere；
S4：The microsphere obtained in S3 is placed in Muffle furnace, finished product is obtained with the baking modes for progressively heating up and being incubated.
7. the preparation method of a kind of porous microsphere for purification of water quality according to claim 6, it is characterised in that described
A diameter of 4.5-5.4mm of microsphere in S3.
8. the preparation method of a kind of porous microsphere for purification of water quality according to claim 6, it is characterised in that described
The pressure of extrusion forming is 100MPa, dwell time 10s in S3.
9. the preparation method of a kind of porous microsphere for purification of water quality according to claim 6, it is characterised in that described
Baking modes in S4 are：With 5 DEG C/min heating rate from room temperature to 400 DEG C, and 2h is incubated at 400 DEG C, then
800 DEG C are warming up to from 400 DEG C with 10 DEG C/min heating rate, and 30mim is incubated at 800 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109867516A (en) * | 2019-04-09 | 2019-06-11 | 福建农林大学 | A kind of preparation method and application of vegetable aquaculture nutrient solution purifying ball |
| CN111732148A (en) * | 2020-06-29 | 2020-10-02 | 河海大学 | System for retrieve phosphate in follow surface eutrophic water |
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| CN106865652A (en) * | 2017-04-11 | 2017-06-20 | 安徽省明美矿物化工有限公司 | A kind of concave convex rod water quality cleansing agent and preparation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867516A (en) * | 2019-04-09 | 2019-06-11 | 福建农林大学 | A kind of preparation method and application of vegetable aquaculture nutrient solution purifying ball |
| CN111732148A (en) * | 2020-06-29 | 2020-10-02 | 河海大学 | System for retrieve phosphate in follow surface eutrophic water |
| CN111732148B (en) * | 2020-06-29 | 2022-06-10 | 河海大学 | System for retrieve phosphate in follow surface eutrophic water |
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