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Niobate piezoelectric catalytic porous ceramic material and preparation method and applications thereof
The invention provides a niobate piezoelectric catalytic porous ceramic material, which comprises a porous ceramic matrix and a catalytic unit that is adhered on the surface and interior of the matrixand has a piezoelectric effect. The catalytic unit at least comprises niobate, which comprises a positive hexavalent niobium ion and a positive monovalent positive ion according to a mole ratio of 1:1. The niobate also comprises other similar compounds formed by positive ion doping. The provided niobate piezoelectric catalytic porous ceramic material has a piezoelectric effect, can efficiently degrade volatile organic substances under the action of wind energy, mechanical energy, or acoustic wave energy, can be applied to an industrial pulse deduster, is capable of removing dusts and eliminating toxic and harmful gas through catalytic oxidation at the same time, does not need any extra energy, and avoids the emission of secondary greenhouse gas. The material has stable properties and canbe repeatedly used, the cost is low, and the preparation method is simple, is easy to perform, and is green and environmentally friendly.
本发明提供一种铌酸盐压电催化多孔陶瓷材料，其包括多孔陶瓷基体以及附着于基体表面及内部的具有压电效应的催化单元，所述催化单元至少包括铌酸盐，所述铌酸盐包括化合价为正六价铌离子和正一价阳离子，所述Nb和正一价阳离子的摩尔质量比为1:1；所述铌酸盐还包括其它阳离子掺杂所形成的同类化合物。本发明提供的铌酸盐压电催化多孔陶瓷材料具有压电效应，在风能、机械能或声波能作用下可高效降解挥发性有机物，应用于工业脉冲除尘器中，可实现除尘的同时催化氧化除去有毒有害气体，无需额外提供能量，避免了二次温室气体的排放。且该材料性能稳定、可重复使用，成本低，制备方法简单易行，绿色环保。
Niobate piezoelectric catalytic porous ceramic material and preparation method and applications thereof
The invention provides a niobate piezoelectric catalytic porous ceramic material, which comprises a porous ceramic matrix and a catalytic unit that is adhered on the surface and interior of the matrixand has a piezoelectric effect. The catalytic unit at least comprises niobate, which comprises a positive hexavalent niobium ion and a positive monovalent positive ion according to a mole ratio of 1:1. The niobate also comprises other similar compounds formed by positive ion doping. The provided niobate piezoelectric catalytic porous ceramic material has a piezoelectric effect, can efficiently degrade volatile organic substances under the action of wind energy, mechanical energy, or acoustic wave energy, can be applied to an industrial pulse deduster, is capable of removing dusts and eliminating toxic and harmful gas through catalytic oxidation at the same time, does not need any extra energy, and avoids the emission of secondary greenhouse gas. The material has stable properties and canbe repeatedly used, the cost is low, and the preparation method is simple, is easy to perform, and is green and environmentally friendly.
本发明提供一种铌酸盐压电催化多孔陶瓷材料，其包括多孔陶瓷基体以及附着于基体表面及内部的具有压电效应的催化单元，所述催化单元至少包括铌酸盐，所述铌酸盐包括化合价为正六价铌离子和正一价阳离子，所述Nb和正一价阳离子的摩尔质量比为1:1；所述铌酸盐还包括其它阳离子掺杂所形成的同类化合物。本发明提供的铌酸盐压电催化多孔陶瓷材料具有压电效应，在风能、机械能或声波能作用下可高效降解挥发性有机物，应用于工业脉冲除尘器中，可实现除尘的同时催化氧化除去有毒有害气体，无需额外提供能量，避免了二次温室气体的排放。且该材料性能稳定、可重复使用，成本低，制备方法简单易行，绿色环保。
Niobate piezoelectric catalytic porous ceramic material and preparation method and applications thereof
铌酸盐压电催化多孔陶瓷材料、其制备方法与应用
LIANG JING (Autor:in) / LIU SHOUQING (Autor:in)
10.04.2020
Patent
Elektronische Ressource
Chinesisch
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