VOCs catalyst for synergistic catalytic oxidation of ultraviolet-light self-excited ozone and preparation method and application thereof
A synergistic catalysis and self-excitation technology, applied in the field of environmental catalysis and VOCs treatment, can solve the problems of VOCs that have not been reported, and achieve the effects of shortening ozone oxidation time, good removal effect and large specific surface area.
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[0023] Example 1
[0024] A kind of ultraviolet light self-excited ozone synergistic catalytic oxidation VOCs catalyst, and its preparation method is as follows:
[0025] (1) Take 80-120g / m 2 Alkali-free and wax-free glass fiber, soaked in 10% nitric acid solution by volume for 1-2 hours, then washed with deionized water until neutral and dried, for use;
[0026] (2) with tetrabutyl titanate as precursor, it is mixed with dehydrated alcohol to obtain solution A, wherein the mol ratio of tetrabutyl titanate and dehydrated alcohol is 1:50, for subsequent use;
[0027] (3) Take a certain amount of deionized water, ZrOCl 2 ·8H 2 O and CH 3 COOH dissolves in CH 3 CH 2 In OH, stir to obtain solution B, wherein zirconium oxychloride: glacial acetic acid: deionized water: absolute ethanol mol ratio is 1:10:31:49, for subsequent use;
[0028] (4) stirring solution A with solution B in a volume ratio of 34:31 to obtain pale yellow precursor C, for subsequent use;
[0029] (5) Di...
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[0033] Example 2
[0034] A kind of ultraviolet light self-excited ozone synergistic catalytic oxidation VOCs catalyst, and its preparation method is as follows:
[0035] (1) Take 80-120g / m 2 Alkali-free and wax-free glass fiber, soaked in 10% nitric acid solution by volume for 1-2 hours, then washed with deionized water until neutral and dried, for use;
[0036] (2) with analytically pure tetrabutyl titanate as precursor, it is mixed with dehydrated alcohol to obtain solution A, wherein the mol ratio of tetrabutyl titanate and dehydrated alcohol is 1.1:50, for subsequent use;
[0037] (3) Take a certain amount of deionized water, ZrOCl 2 ·8H 2 O and CH 3 COOH dissolves in CH 3 CH 2 In OH, stir to obtain solution B, wherein zirconium oxychloride: glacial acetic acid: deionized water: absolute ethanol mol ratio is 1:20:31:49, for subsequent use;
[0038] (4) stirring solution A with solution B in a volume ratio of 34:31 to obtain pale yellow precursor C, for subsequent u...
Example Embodiment
[0043] Example 3
[0044] A kind of ultraviolet light self-excited ozone synergistic catalytic oxidation VOCs catalyst, and its preparation method is as follows:
[0045] (1) Take 80-120g / m 2 Alkali-free and wax-free glass fiber, soaked in 10% nitric acid solution by volume for 1-2 hours, then washed with deionized water until neutral and dried, for use;
[0046] (2) with analytically pure tetrabutyl titanate as precursor, it is mixed with dehydrated alcohol to obtain solution A, wherein the mol ratio of tetrabutyl titanate and dehydrated alcohol is 1:50, for subsequent use;
[0047] (3) Take a certain amount of deionized water, ZrOCl 2 ·8H 2 O and CH 3 COOH dissolves in CH 3 CH 2 In OH, stir to obtain solution B, wherein the mol ratio of zirconium oxychloride: glacial acetic acid: deionized water: absolute ethanol is 1:15:31:49, for subsequent use;
[0048] (4) stirring solution A with solution B in a volume ratio of 34:31 to obtain pale yellow precursor C, for subsequ...
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