CN103816883B - Visible light photocatalysis nano titanium oxide float type water quality purification material - Google Patents
Visible light photocatalysis nano titanium oxide float type water quality purification material Download PDFInfo
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- CN103816883B CN103816883B CN201410084793.XA CN201410084793A CN103816883B CN 103816883 B CN103816883 B CN 103816883B CN 201410084793 A CN201410084793 A CN 201410084793A CN 103816883 B CN103816883 B CN 103816883B
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Abstract
A kind of visible light photocatalysis nano titanium oxide float type water quality purification material, it is characterised in that: described float type water quality purification material includes using the carrier that light porous material becomes sizes by molding standard polyhedron preparation and shape is prepared from and the rod-like nano titanium dioxide with visible light catalysis activity being wrapped on carrier by binding agent；Described binding agent and rod-like nano titanium dioxide mass ratio are 4 ~ 9:1 ~ 6.Final density of material control interval is 0.90 0.99g/cm3。
Description
Technical field
The present invention relates to the titanium dioxide visible light catalyzer material preventing water pollution and purifying water, be designed as the float type TiO 2 visible light photocatalysis water quality purification material of sizes and shape particularly by molding 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 be possibly realized for heavy industrialization sewage disposal.At present, load type titania research obtains certain progress, solves titanium dioxide and fixes recovery problem, but owing to commonly used sol-gel load process is complicated, after load, activity is greatly reduced, again without visible light activity, needing by uviol lamp, energy consumption is high, in sewage disposal, light utilization ratio is lower, catalyst can only carry out advanced treating to water body after polluting, and not lasting, and therefore it still suffers from many restrictions in actual use.
Summary of the invention
The purpose of the present invention provides a kind of visible light photocatalysis nano titanium oxide float type water quality purification material just for the weak point in the presence of above-mentioned prior art.The photocatalysis water quality purification material of the present invention not only has the effective and advantage of the loaded photocatalyst of research at present, widened the application of optically catalytic TiO 2 technology simultaneously, from source, prevent water pollution and realize purifying slight pollution water quality at water head site, effectively avoiding the old problem for the treatment of after pollution.
The purpose of the present invention can be realized by following technique measures:
The visible light photocatalysis nano titanium oxide float type water quality purification material of the present invention includes using the carrier that light porous material is prepared from and the rod-like nano titanium dioxide with visible light catalysis activity being wrapped on carrier by binding agent；Described binding agent and rod-like nano titanium dioxide mass ratio are 4 ~ 9:1 ~ 6.
Heretofore described described carrier is to be made up of light porous leca, becomes sizes and shape by molding standard polyhedron preparation, it is also possible to be to use 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 styrene-acrylic emulsion；The profile of described float type water quality purification material is various sizes of molding polyhedron or sphere structure, and final density of material control interval is 0.90-0.99g/cm3。
Beneficial effects of the present invention is as follows:
1, for Industrial Wastewater Treatment, there is continuous high-efficient degraded detergent power, non-secondary pollution under visible light, and can realize recycling.
2, when family's fish jar, landscape water and closing pond, can effectively prevent water pollution and persistently carry out purification of water quality, while saving water resource, avoiding the waste of human and material resources and wealth.
Accompanying drawing explanation
Fig. 1 is the structure principle chart (sectional view) of the present invention.
Sequence number in figure: 1 is carrier, 2 is binding agent, and 3 are bar-like nano titanium oxide.
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 the shape assumption diagram of float type water quality purification material of the present invention respectively.
Detailed description of the invention
The present invention is further described below with reference to embodiment (accompanying drawing):
As it is shown in figure 1, the visible light photocatalysis nano titanium oxide float type water quality purification material of the present invention includes the carrier 1 using light porous material to be prepared from and the rod-like nano titanium dioxide 3 with visible light catalysis activity being wrapped on carrier by binding agent 2；Described binding agent and rod-like nano titanium dioxide mass ratio are 4 ~ 9:1 ~ 6.
Heretofore described described carrier is to be made up of light porous leca, becomes sizes and shape by molding standard polyhedron preparation, it is also possible to be to use 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 styrene-acrylic emulsion；The profile of described float type water quality purification material is various sizes of molding polyhedron or sphere structure, and final density of material control interval is 0.90-0.99g/cm3。
Embodiment 1
With porous light type clay particle as carrier, cement powder is mixed homogeneously with 8:2 ratio with the rod-like nano titanium dioxide of visible light catalysis activity, then the ratio of mud 0.4 ~ 1.5:1 it is equipped with, realized the load of the rod-like nano titanium dioxide of visible light catalysis activity by infusion process at molding standard polyhedron light porous type clay particle carrier surface, then in the environment of air humidity is more than 80%, carry out dry through.
Embodiment 2
To use light flyash material to be prepared from porous light type granule as carrier, being mixed homogeneously with 7:3 ratio with the rod-like nano titanium dioxide of visible light catalysis activity by waterglass, being then prepared from porous light type granule by infusion process at employing light flyash material is that carrier surface realizes nano-TiO2Load, then in air humidity more than carrying out dry through in the environment of 50%.
Embodiment 3
To use the porous light type granule that is prepared from of plastic foam material as carrier, being mixed homogeneously with 5:5 ratio with the rod-like nano titanium dioxide of visible light catalysis activity by pure-acrylic emulsion, the porous light type granule being then prepared from employing plastic foam material by infusion process is that carrier surface realizes nano-TiO2Load, then in air humidity less than carrying out dry through under 50% environment.
The 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, and designs different size according to application simultaneously, and varying number can be designed being assembled into the outward appearance with certain sight.Such as 1, can effectively prevent water pollution in family's fish jar and lasting carry out purification of water quality, it is to avoid the trouble brought because frequently changing water and water resource waste, being designed as diameter 3-5cm；2, close under water environment for landscape water, fountain basin etc., be designed as size 8-10cm, simultaneously attractive in appearance for considering, inorganic pigment can be added, make motley effect.
Claims (3)
1. a visible light photocatalysis nano titanium oxide float type water quality purification material, it is characterised in that: described float type water quality purification material includes using the carrier that light porous material is prepared from and the rod-like nano titanium dioxide with visible light catalysis activity being wrapped on carrier by binding agent；Described binding agent and rod-like nano titanium dioxide mass ratio are 4 ~ 9:1 ~ 6；Described carrier is to be made up of light porous leca, becomes sizes and shape by molding standard polyhedron preparation, or uses plastics, fiber or light flyash material to be prepared from.
Visible light photocatalysis nano titanium oxide float type water quality purification material the most according to claim 1, it is characterised 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 styrene-acrylic emulsion.
Visible light photocatalysis nano titanium oxide float type water quality purification material the most according to claim 1, it is characterized in that: the profile of described float type water quality purification material is various sizes of molding polyhedron or sphere structure, final density of material control interval is 0.90-0.99g/cm3。
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| CN201410084793.XA CN103816883B (en) | 2014-03-10 | 2014-03-10 | Visible light photocatalysis nano titanium oxide float type water quality purification material |
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| CN201410084793.XA CN103816883B (en) | 2014-03-10 | 2014-03-10 | Visible light photocatalysis nano titanium oxide float type water quality purification material |
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| CN103816883B true CN103816883B (en) | 2016-08-17 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
| CN114570404B (en) * | 2022-03-16 | 2024-05-24 | 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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