A kind of preparation method of organic ligand modified formaldehyde purification catalyst

Abstract

The invention discloses a preparation method of an organic ligand modified formaldehyde purification catalyst. La accounting for 1%-10% of titanium oxide by weight is premixed with at least one of Cu, Fe and Ni and at least one of Sn and Mn and then mixed with water, water-soluble salt is prepared, titanium oxide powder is added, the mixture is dried and calcined at a high temperature, a modified catalyst carrier is prepared and added to a Pt organic solution, the mixture is dried and calcined at a high temperature, modified catalyst carrier powder is prepared and mixed with pseudo-boehmite, methylcellulose and water, modified paste is prepared, honeycomb ceramic plates are dipped in the modified paste, then dried, calcined, cooled and reduced, and the organic ligand modified formaldehyde purification catalyst is obtained. The catalyst can filter dust, eliminate peculiar smells, perform sterilization and disinfection functions and adsorb harmful gas and can also promote complete catalytic decomposition of harmful gas, so that the adsorbed harmful gas cannot cause secondary pollution, a catalyst layer is not prone to peel or crack, and the service life is long.

Description

technical field [0001] The invention relates to indoor air purification technology, in particular to a catalyst for modifying organic ligands to purify air and decompose formaldehyde and an air purifier made of the catalyst. Background technique [0002] With the continuous acceleration of the industrialization process, indoor air pollution is becoming more and more serious, which makes indoor air purification particularly concerned. Therefore, people have higher requirements for the quality of the home environment. At present, for indoor air purification, most of the methods such as filter screen + activated carbon filter screen ultraviolet sterilization + electrostatic adsorption filter screen are used to absorb dust, eliminate peculiar smell, and sterilize to purify the air. [0003] With the improvement of people's living standards, home decoration has become a universal fashion, but a large number of building materials and decoration materials have caused indoor air po...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems existing in the above-mentioned air purifiers in the prior art, the present invention provides an air purifier that can not only filter and absorb dust particles in the air, eliminate peculiar smell, sterilize and absorb harmful gases, but also effectively decompose harmful gases and improve the purification efficiency. Preparation method of organic ligand modified formaldehyde purification catalyst