CN103816883A - Visible-light photocatalytic nano titanium dioxide floating type water purification material - Google Patents
Visible-light photocatalytic nano titanium dioxide floating type water purification material Download PDFInfo
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- CN103816883A CN103816883A CN201410084793.XA CN201410084793A CN103816883A CN 103816883 A CN103816883 A CN 103816883A CN 201410084793 A CN201410084793 A CN 201410084793A CN 103816883 A CN103816883 A CN 103816883A
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Abstract
A visible-light photocatalytic nano titanium dioxide floating type water purification material is characterized by comprising carriers and rod-like nano titanium dioxide with the visible-light catalytic activity, wherein the carriers are made of lightweight porous materials and prepared into multiple sizes and shapes through a molded standard polyhedron; the rod-like nano titanium dioxide wraps the carriers through a binder; and the mass ratio of the binder to the rod-like nano titanium dioxide is (4-9):(1-6). The final material density control interval is 0.90-0.99 g/cm<3>.
Description
Technical field
The present invention relates to the titanium dioxide visible light catalyzer material that prevents water pollution and purify water, be especially designed to the float type TiO 2 visible light photocatalysis water quality purification material of sizes and shape by molded standard polyhedron.
Background technology
Optically catalytic TiO 2 degraded organic pollutants in water body have degraded thoroughly, degraded without selecting, advantages of environment protection.In recent years, the raising of TiO 2 visible light response intensity and the development of load technology make optically catalytic TiO 2 technology become possibility for heavy industrialization sewage disposal.At present, load type titania research obtains certain progress, has solved the fixing recovery problem of titanium dioxide, but due to the sol-gel load process complexity generally adopting, after load, activity significantly reduces, again without visible light activity, need to be by uviol lamp, energy consumption is high, in sewage disposal, light utilization ratio is lower, catalyst can only carry out advanced treating to polluting rear water body, and not lasting, and therefore it still faces many restrictions in actual use.
Summary of the invention
Object of the present invention provides a kind of visible light photocatalysis nano titanium oxide float type water quality purification material for existing weak point in above-mentioned prior art just.The institute that photocatalysis water quality purification material of the present invention not only has the loaded photocatalyst of current research produces effect and advantage, widened the application of optically catalytic TiO 2 technology simultaneously, prevent water pollution from source and realize and purify slight pollution water quality at water head site, effectively having avoided the old problem for the treatment of after pollution.
Object of the present invention can realize by following technique measures:
Visible light photocatalysis nano titanium oxide float type water quality purification material of the present invention comprises the carrier that employing light porous material is prepared from and is wrapped in the rod-like nano titanium dioxide with visible light catalysis activity on carrier by binding agent; Described binding agent and rod-like nano titanium dioxide mass ratio are 4 ~ 9:1 ~ 6.
Described carrier described in the present invention is to be made up of light porous leca, becomes sizes and shape by molded standard polyhedron preparation, can be also to adopt plastics, fiber or light flyash material to be prepared from; Described binding agent is to be prepared from by one or more materials in silico-calcium cement, sial cement, waterglass, pure-acrylic emulsion or benzene emulsion; The profile of described float type water quality purification material is molded polyhedron or the sphere structure of different size, and final density of material control interval is 0.90-0.99g/cm
3.
Beneficial effect of the present invention is as follows:
1, for Industrial Wastewater Treatment, under visible ray, there is continuous high-efficient degraded detergent power, non-secondary pollution, and can realize and recycling.
2, during for family's fish jar, landscape water and sealing pond, can effectively prevent from water pollution and continue carrying out purification of water quality, when saving water resource, avoid the waste of human and material resources and wealth.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention (cutaway view).
Sequence number in figure: the 1st, carrier, the 2nd, binding agent, the 3rd, rod-like nano titanium dioxide.
Fig. 2 is visible ray rod-like nano titanium dioxide Electronic Speculum figure.
Fig. 3 is carrier film forming Electronic Speculum figure.
Fig. 4 is carrier and visible ray rod-like nano titanium dioxide composite membrane-forming Electronic Speculum figure.
Fig. 5 ~ Fig. 9 is respectively the shape assumption diagram of float type water quality purification material of the present invention.
The specific embodiment
The present invention is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, visible light photocatalysis nano titanium oxide float type water quality purification material of the present invention comprises the carrier 1 that employing light porous material is prepared from and is wrapped in the rod-like nano titanium dioxide 3 with visible light catalysis activity on carrier by binding agent 2; Described binding agent and rod-like nano titanium dioxide mass ratio are 4 ~ 9:1 ~ 6.
Described carrier described in the present invention is to be made up of light porous leca, becomes sizes and shape by molded standard polyhedron preparation, can be also to adopt plastics, fiber or light flyash material to be prepared from; Described binding agent is to be prepared from by one or more materials in silico-calcium cement, sial cement, waterglass, pure-acrylic emulsion or benzene emulsion; The profile of described float type water quality purification material is molded polyhedron or the sphere structure of different size, and final density of material control interval is 0.90-0.99g/cm
3.
Take porous light type clay particle as carrier, cement powder is mixed with 8:2 ratio with the rod-like nano titanium dioxide of visible light catalysis activity, then be equipped with the ratio of mud 0.4 ~ 1.5:1, realize the load of the rod-like nano titanium dioxide of visible light catalysis activity by infusion process at the light porous type clay particle of molded standard polyhedron carrier surface, then under air humidity is greater than 80% environment, carry out dry through.
To adopt light flyash material to be prepared from porous light type particle as carrier, waterglass is mixed with 7:3 ratio with the rod-like nano titanium dioxide of visible light catalysis activity, is then that carrier surface is realized nano-TiO by infusion process adopting light flyash material to be prepared from porous light type particle
2load, then under air humidity is greater than 50% environment, carry out dry through.
The porous light type particle being prepared from take employing plastic foam material is as carrier, pure-acrylic emulsion is mixed with 5:5 ratio with the rod-like nano titanium dioxide of visible light catalysis activity, is then that carrier surface is realized nano-TiO by infusion process at the porous light type particle that adopts plastic foam material to be prepared from
2load, be then less than and under 50% environment, carry out dry through in air humidity.
Visible light photocatalysis nano titanium oxide float type water quality purification material of the present invention can directly be invested in water head site and use, simultaneously according to application design different size, and varying number can to carry out design and assembly be the outward appearance with certain sight.Such as 1, can effectively prevent water pollution and the lasting purification of water quality that carries out for family's fish jar, avoid trouble and the water resource waste brought because frequently changing water, be designed to diameter 3-5cm; 2, under the sealing such as landscape water, fountain basin water environment, be designed to size 8-10cm, simultaneously attractive in appearance for considering, can add inorganic pigment, make motley effect.
Claims (4)
1. a visible light photocatalysis nano titanium oxide float type water quality purification material, is characterized in that: described float type water quality purification material comprises the carrier that employing light porous material is prepared from and is wrapped in the rod-like nano titanium dioxide with visible light catalysis activity on carrier by binding agent; Described binding agent and rod-like nano titanium dioxide mass ratio are 4 ~ 9:1 ~ 6.
2. visible light photocatalysis nano titanium oxide float type water quality purification material according to claim 1, is characterized in that: described carrier is to be made up of light porous leca, can be also to adopt plastics, fiber or light flyash material to be prepared from.
3. visible light photocatalysis nano titanium oxide float type water quality purification material according to claim 1, is characterized in that: described binding agent is to be prepared from by one or more materials in silico-calcium cement, sial cement, waterglass, pure-acrylic emulsion or benzene emulsion.
4. visible light photocatalysis nano titanium oxide float type water quality purification material according to claim 1, it is characterized in that: molded polyhedron or sphere structure that the profile of described float type water quality purification material is different size, final density of material control interval is 0.90-0.99g/cm
3.
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Cited By (10)
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| CN104649365A (en) * | 2015-01-28 | 2015-05-27 | 河海大学 | TiO2/ foam concrete panel snake-shaped ultraviolet sterilization device for sewage |
| CN105731586A (en) * | 2016-04-14 | 2016-07-06 | 福建省福永德环境科技有限公司 | Floating-state carefree ecological pumice with self-purification function and application method of floating-state carefree ecological pumice |
| CN106238059A (en) * | 2016-07-13 | 2016-12-21 | 中国科学院化学研究所 | A kind of remove the composite photo-catalyst of arsenic from underwater, preparation method, method for purifying water and system |
| CN106563446A (en) * | 2016-11-10 | 2017-04-19 | 上海纳米技术及应用国家工程研究中心有限公司 | Light carrier catalyst for catalytically eliminating nitric oxide and preparation and application thereof |
| CN107876102A (en) * | 2017-10-12 | 2018-04-06 | 常州工学院 | A kind of photocatalyst material |
| CN108996602A (en) * | 2018-08-23 | 2018-12-14 | 曹立军 | Water body purification plate based on gangue and preparation method thereof |
| CN110250083A (en) * | 2019-05-06 | 2019-09-20 | 中国计量大学 | A kind of seawater fish jar with purification of water quality ability makes scape stone and preparation method thereof |
| CN111285429A (en) * | 2020-02-29 | 2020-06-16 | 西南石油大学 | Low-transmittance sewage photocatalytic treatment composite board and preparation method thereof |
| CN114570404A (en) * | 2022-03-16 | 2022-06-03 | 中南林业科技大学 | Floating type photocatalytic material for water body restoration and preparation method thereof |
| CN114870825A (en) * | 2022-05-12 | 2022-08-09 | 江苏晶瑞特环保新材料有限公司 | Preparation and application method of novel photocatalytic glass pumice |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649365A (en) * | 2015-01-28 | 2015-05-27 | 河海大学 | TiO2/ foam concrete panel snake-shaped ultraviolet sterilization device for sewage |
| CN105731586A (en) * | 2016-04-14 | 2016-07-06 | 福建省福永德环境科技有限公司 | Floating-state carefree ecological pumice with self-purification function and application method of floating-state carefree ecological pumice |
| CN106238059A (en) * | 2016-07-13 | 2016-12-21 | 中国科学院化学研究所 | A kind of remove the composite photo-catalyst of arsenic from underwater, preparation method, method for purifying water and system |
| CN106563446A (en) * | 2016-11-10 | 2017-04-19 | 上海纳米技术及应用国家工程研究中心有限公司 | Light carrier catalyst for catalytically eliminating nitric oxide and preparation and application thereof |
| CN107876102A (en) * | 2017-10-12 | 2018-04-06 | 常州工学院 | A kind of photocatalyst material |
| CN108996602A (en) * | 2018-08-23 | 2018-12-14 | 曹立军 | Water body purification plate based on gangue and preparation method thereof |
| CN108996602B (en) * | 2018-08-23 | 2021-11-12 | 陕西龙宾立为生态科技有限公司 | Coal gangue-based water body purification plate and preparation method thereof |
| CN110250083A (en) * | 2019-05-06 | 2019-09-20 | 中国计量大学 | A kind of seawater fish jar with purification of water quality ability makes scape stone and preparation method thereof |
| CN111285429A (en) * | 2020-02-29 | 2020-06-16 | 西南石油大学 | Low-transmittance sewage photocatalytic treatment composite board and preparation method thereof |
| CN114570404A (en) * | 2022-03-16 | 2022-06-03 | 中南林业科技大学 | Floating type photocatalytic material for water body restoration and preparation method thereof |
| CN114870825A (en) * | 2022-05-12 | 2022-08-09 | 江苏晶瑞特环保新材料有限公司 | Preparation and application method of novel photocatalytic glass pumice |
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| CN103816883B (en) | 2016-08-17 |
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