CN105749956A - A simple preparing method for a zeolite-loaded titanium dioxide wastewater treating agent - Google Patents
A simple preparing method for a zeolite-loaded titanium dioxide wastewater treating agent Download PDFInfo
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- CN105749956A CN105749956A CN201410792850.XA CN201410792850A CN105749956A CN 105749956 A CN105749956 A CN 105749956A CN 201410792850 A CN201410792850 A CN 201410792850A CN 105749956 A CN105749956 A CN 105749956A
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- zeolite
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- loaded titanium
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Abstract
A simple preparing method for a zeolite-loaded titanium dioxide wastewater treating agent is provided. The method includes grinding natural zeolite, activating through adopting a NaCl solution, dipping into TiO2 precursor sol to fully loading the surface of the zeolite with the sol, and annealing finally to obtain the zeolite-loaded titanium dioxide wastewater treating agent. The method is simple and controllable in process and low in cost. The wastewater treating agent prepared through the method is high in photocatalytic activity, high in adsorbability, capable of deep ammonia nitrogen removing, and good in wastewater purifying effects.
Description
Technical field
The invention belongs to sewage treating material field, be specifically related to the simple method for preparing of a kind of zeolite-loaded titanium dioxide sewage-treating agent.
Background technology
Containing substantial amounts of ammonia nitrogen in sewage, if in water body during ammonia nitrogen concentration height, algae excessive propagation can be caused, consume the dissolved oxygen in water, cause body eutrophication, Fish and other aquatic animals are caused murder by poisoning, destroy water ecological environment, therefore, effectively remove ammonia nitrogen and become the main target of sewage disposal.Utilize the ion-exchange performance of zeolite, can effectively remove the ammonia nitrogen in water body, zeolite is a kind of cheap aluminium silicate mineral, structure is mainly made up of silica and alumina skeleton, its unique texture makes it have the features such as absorption, ion exchange, catalysis and density are little, it is widely used as catalyst, adsorbent, ion-exchanger and modifying agent, in sewage disposal, obtains research widely and application.
Application natural zeolite processes waste water and has an advantage with low cost, but it is to the treatment effect of deep removal ammonia nitrogen bad.Utilize catalysis material be combined with zeolite facies prepare zeolite-loaded type sewage treating material can the comprehensively strong reduction of the high adsorption of zeolite and catalysis material and oxidation activity, in sewage disposal, show wide application prospect.
Summary of the invention
It is an object of the invention to provide the simple method for preparing of a kind of zeolite-loaded titanium dioxide sewage-treating agent, the method processing step is few, preparation condition is controlled, cost is low, sewage-treating agent photocatalytic activity prepared by employing the method is high, adsorptivity is strong, can deep removal ammonia nitrogen, the good purification to sewage.
For achieving the above object, the technical solution used in the present invention is:
The simple method for preparing of a kind of zeolite-loaded titanium dioxide sewage-treating agent, it is characterised in that comprise the steps:
(1) the ground zeolite powder that becomes of natural zeolite, particle diameter 150～200 order；
(2) being put into by zeolite powder in the NaCl solution that concentration is 4～10%, constant temperature 2～4h at 70～80 DEG C of temperature, after filtration, deionized water is cleaned, and dries at 110 DEG C；
(3) with butyl titanate for presoma, ethanol is solvent, prepares TiO2Precursor sol；
(4) zeolite step (2) obtained immerses TiO2Precursor sol, ultrasonic 10～30min, filters after standing 2h, is placed in vacuum drying oven by zeolite, is to slowly warm up to 110 DEG C with the programming rate of 3 DEG C/min, constant temperature 30min；
(5) product of step (4) is moved in Muffle furnace, air atmosphere, heat treatment 2～6h at 500～900 DEG C, prepare zeolite-loaded titanium dioxide sewage-treating agent.
The present invention is had the advantages that
(1) the present invention relates to the simple method for preparing of a kind of zeolite-loaded titanium dioxide sewage-treating agent, this preparation method processing step is few, and preparation condition is controlled, and cost is low；
(2) adopt that the sewage-treating agent photocatalytic activity prepared of the inventive method is high, adsorptivity is strong, can deep removal ammonia nitrogen, the good purification to sewage.
(3) adopting sewage-treating agent prepared by the inventive method is be uniformly distributed one layer of nano titanium oxide on Zeolite support, and by controlling process conditions, the interface cohesion making zeolite and nano titanium oxide is strong, and this sewage-treating agent can Reusability.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, but does not limit protection scope of the present invention.
The simple method for preparing of a kind of zeolite-loaded titanium dioxide sewage-treating agent, comprises the steps:
(1) the ground zeolite powder that becomes of natural zeolite, mean diameter 180 order；
(2) being put into by zeolite powder in the NaCl solution that concentration is 5%, constant temperature 2h at 80 DEG C of temperature, after filtration, deionized water is cleaned, and dries at 110 DEG C；
(3) with butyl titanate for presoma, ethanol is solvent, prepares TiO2Precursor sol；
(4) zeolite step (2) obtained immerses TiO2Precursor sol, ultrasonic 30min, filters after standing 2h, is placed in vacuum drying oven by zeolite, is to slowly warm up to 110 DEG C with the programming rate of 3 DEG C/min, constant temperature 30min；
(5) product of step (4) is moved in Muffle furnace, air atmosphere, heat treatment 4h at 700 DEG C, prepare zeolite-loaded titanium dioxide sewage-treating agent.
The above, be only presently preferred embodiments of the present invention, and technical scheme is not done any pro forma restriction.Every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, all still falls within the scope of technical scheme.
Claims (1)
1. the simple method for preparing of a zeolite-loaded titanium dioxide sewage-treating agent, it is characterised in that comprise the steps:
(1) the ground zeolite powder that becomes of natural zeolite, particle diameter 150～200 order；
(2) being put into by zeolite powder in the NaCl solution that concentration is 4～10%, constant temperature 2～4h at 70～80 DEG C of temperature, after filtration, deionized water is cleaned, and dries at 110 DEG C；
(3) with butyl titanate for presoma, ethanol is solvent, prepares TiO2Precursor sol；
(4) zeolite step (2) obtained immerses TiO2Precursor sol, ultrasonic 10～30min, filters after standing 2h, is placed in vacuum drying oven by zeolite, is to slowly warm up to 110 DEG C with the programming rate of 3 DEG C/min, constant temperature 30min；
(5) product of step (4) is moved in Muffle furnace, air atmosphere, heat treatment 2～6h at 500～900 DEG C, prepare zeolite-loaded titanium dioxide sewage-treating agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410792850.XA CN105749956A (en) | 2014-12-20 | 2014-12-20 | A simple preparing method for a zeolite-loaded titanium dioxide wastewater treating agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410792850.XA CN105749956A (en) | 2014-12-20 | 2014-12-20 | A simple preparing method for a zeolite-loaded titanium dioxide wastewater treating agent |
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| CN105749956A true CN105749956A (en) | 2016-07-13 |
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| CN201410792850.XA Pending CN105749956A (en) | 2014-12-20 | 2014-12-20 | A simple preparing method for a zeolite-loaded titanium dioxide wastewater treating agent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186162A (en) * | 2016-08-12 | 2016-12-07 | 青海荷洁纳米材料科技有限公司 | A kind of preparation method of the modified zeolite adsorbing material for purifier |
| CN107954497A (en) * | 2017-11-07 | 2018-04-24 | 赵朋 | A kind of preparation method for the filter medium for being used to go to remove water nitrite |
| CN108584978A (en) * | 2018-05-17 | 2018-09-28 | 沈阳理工大学 | A kind of preparation method of the A type molecular sieve of removable pollutant |
| CN111348791A (en) * | 2018-12-20 | 2020-06-30 | 苏州苏讯环保科技有限公司 | Advanced treatment device and treatment method for high-concentration ammonia nitrogen wastewater |
| WO2020140191A1 (en) * | 2019-01-02 | 2020-07-09 | 纳琦环保科技有限公司 | Method of preparing multifunctional composite water purification material |
-
2014
- 2014-12-20 CN CN201410792850.XA patent/CN105749956A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186162A (en) * | 2016-08-12 | 2016-12-07 | 青海荷洁纳米材料科技有限公司 | A kind of preparation method of the modified zeolite adsorbing material for purifier |
| CN107954497A (en) * | 2017-11-07 | 2018-04-24 | 赵朋 | A kind of preparation method for the filter medium for being used to go to remove water nitrite |
| CN108584978A (en) * | 2018-05-17 | 2018-09-28 | 沈阳理工大学 | A kind of preparation method of the A type molecular sieve of removable pollutant |
| CN111348791A (en) * | 2018-12-20 | 2020-06-30 | 苏州苏讯环保科技有限公司 | Advanced treatment device and treatment method for high-concentration ammonia nitrogen wastewater |
| WO2020140191A1 (en) * | 2019-01-02 | 2020-07-09 | 纳琦环保科技有限公司 | Method of preparing multifunctional composite water purification material |
| CN111642128A (en) * | 2019-01-02 | 2020-09-08 | 纳琦环保科技有限公司 | Preparation method of multifunctional composite water body purification material |
| CN111642128B (en) * | 2019-01-02 | 2021-08-06 | 纳琦环保科技有限公司 | Preparation method of multifunctional composite water body purification material |
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Application publication date: 20160713 |
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