CN107597129A - A kind of kaolin catalyst and preparation method thereof - Google Patents
A kind of kaolin catalyst and preparation method thereof Download PDFInfo
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- CN107597129A CN107597129A CN201710860540.0A CN201710860540A CN107597129A CN 107597129 A CN107597129 A CN 107597129A CN 201710860540 A CN201710860540 A CN 201710860540A CN 107597129 A CN107597129 A CN 107597129A
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- kaolin
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- boehmite
- methylcellulose
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Abstract
The invention discloses a kind of kaolin catalyst and preparation method thereof, the kaolin catalyst is prepared from the following raw materials in parts by weight：50 65 parts of kaolin, 8 16 parts of silica, 7 13 parts of boehmite, 4 12 parts of titanium tetrachloride, 8 15 parts of ammonium sulfate, 36 parts of dimethyl siloxane, 35 parts of calcium oxide, 5 10 parts of methylcellulose, 36 parts of sodium metasilicate, 26 parts of yttrium carbonate, 14 parts of zirconium oxide, 37 parts of cupric oxide.Kaolin catalyst in the present invention has excellent photocatalysis performance, and can degrade and remove formaldehyde.
Description
Technical field
The present invention relates to field of material technology, more particularly to a kind of kaolin catalyst and preparation method thereof.
Background technology
Kaolin is a kind of nonmetallic minerals, is a kind of clay and clay rock based on kaolinite race clay mineral, because
White and fine and smooth, also known as white clouds are native.Kaolin is in pure white fine and smooth, soft earthy, has good plasticity and fire resistance
Etc. physicochemical property.Kaolin purposes is quite varied, is mainly used in papermaking, ceramics and refractory material, is filled out secondly for coating, rubber
Material, frit for porcelain enamel and white cement raw material, on a small quantity for plastics, paint, pigment, emery wheel, pencil, daily cosmetics, soap, agriculture
The industrial departments such as medicine, medicine, weaving, oil, chemical industry, building materials, national defence.As the scientific and technological level of China's chemical material field is continuous
Improve, at present, can prepare kaolin catalyst using kaolin for raw material also turns into a kind of trend, and it, which can degrade, removes first
Aldehyde, and other harmful substances are not produced, Safety and Environmental Protection is strong.
The content of the invention
It is an object of the invention to provide a kind of kaolin catalyst and preparation method thereof, the kaolin catalyst has excellent
Good photocatalysis performance, and can degrade and remove formaldehyde.
To achieve the above object, the present invention provides following technical scheme：
A kind of kaolin catalyst, it is prepared from the following raw materials in parts by weight：Kaolin 50-65 parts, silica 8-
16 parts, boehmite 7-13 parts, titanium tetrachloride 4-12 parts, ammonium sulfate 8-15 parts, dimethyl siloxane 3-6 parts, calcium oxide 3-5 parts,
Methylcellulose 5-10 parts, sodium metasilicate 3-6 parts, yttrium carbonate 2-6 parts, zirconium oxide 1-4 parts, cupric oxide 3-7 parts.
Preferably, described kaolin catalyst is prepared from the following raw materials in parts by weight：Kaolin 60, silica 11
Part, 8 parts of boehmite, 10 parts of titanium tetrachloride, 13 parts of ammonium sulfate, 5 parts of dimethyl siloxane, 5 parts of calcium oxide, 8 parts of methylcellulose,
5 parts of sodium metasilicate, 3 parts of yttrium carbonate, 3 parts of zirconium oxide, 6 parts of cupric oxide.
Preferably, the raw material of the following parts by weight of described kaolin catalyst is made：55 parts of kaolin, silica 10
Part, 10 parts of boehmite, 6 parts of titanium tetrachloride, 13 parts of ammonium sulfate, 6 parts of dimethyl siloxane, 3 parts of calcium oxide, 7 parts of methylcellulose,
4 parts of sodium metasilicate, 3 parts of yttrium carbonate, 2 parts of zirconium oxide, 3 parts of cupric oxide.
The preparation method of described kaolin catalyst, it comprises the following steps：
(1) each raw material components are weighed according to ratio of weight and number；
(2) with containing calcium oxide, zirconium oxide mixed solution impregnation steps (2) in kaolin, boehmite and silica,
By drying and being calcined, just modified kaolin is obtained；
(3) to aoxidize first modified kaolin made from copper solution impregnation steps (2), by drying and being calcined, then changed
Property kaolin；
(4) titanium tetrachloride, ammonium sulfate, dimethyl siloxane, methylcellulose, sodium metasilicate and yttrium carbonate are well mixed,
Obtain additive agent mixture；
(5) the obtained modified kaolin again of step (3), the abundant kneading of additive agent mixture made from step (4) are into plastic
Paste, extruded moulding, by drying and being calcined, obtain the kaolin catalyst in the present invention.
Compared with prior art, the beneficial effects of the invention are as follows：
Kaolin catalyst in the present invention can be degraded and remove formaldehyde with excellent photocatalysis performance,
And clearance rate is high, reaction speed is fast, during generated without toxic and harmful gas, safety and environmental protection, be particularly suitable for use as interior
Wall covering, and then can degrade, eliminate formaldehyde in surrounding air, improve IAQ.
Embodiment
Technical scheme is described in detail with reference to embodiment, but protection domain is not limited thereto.
Embodiment one：
A kind of kaolin catalyst, it is characterised in that be prepared from the following raw materials in parts by weight：Kaolin 60, titanium dioxide
11 parts of silicon, 8 parts of boehmite, 10 parts of titanium tetrachloride, 13 parts of ammonium sulfate, 5 parts of dimethyl siloxane, 5 parts of calcium oxide, methylcellulose
8 parts, 5 parts of sodium metasilicate, 3 parts of yttrium carbonate, 3 parts of zirconium oxide, 6 parts of cupric oxide.
The preparation method of described kaolin catalyst, it comprises the following steps：
(1) each raw material components are weighed according to ratio of weight and number；
(2) with containing calcium oxide, zirconium oxide mixed solution impregnation steps (2) in kaolin, boehmite and silica,
By drying and being calcined, just modified kaolin is obtained；
(3) to aoxidize first modified kaolin made from copper solution impregnation steps (2), by drying and being calcined, then changed
Property kaolin；
(4) titanium tetrachloride, ammonium sulfate, dimethyl siloxane, methylcellulose, sodium metasilicate and yttrium carbonate are well mixed,
Obtain additive agent mixture；
(5) the obtained modified kaolin again of step (3), the abundant kneading of additive agent mixture made from step (4) are into plastic
Paste, extruded moulding, by drying and being calcined, obtain the kaolin catalyst in the present invention.
Embodiment two：
A kind of kaolin catalyst, it is characterised in that be prepared from the following raw materials in parts by weight：55 parts of kaolin, dioxy
10 parts of SiClx, 10 parts of boehmite, 6 parts of titanium tetrachloride, 13 parts of ammonium sulfate, 6 parts of dimethyl siloxane, 3 parts of calcium oxide, Methyl cellulose
7 parts of element, 4 parts of sodium metasilicate, 3 parts of yttrium carbonate, 2 parts of zirconium oxide, 3 parts of cupric oxide.
The preparation method of described kaolin catalyst, it comprises the following steps：
(1) each raw material components are weighed according to ratio of weight and number；
(2) with containing calcium oxide, zirconium oxide mixed solution impregnation steps (2) in kaolin, boehmite and silica,
By drying and being calcined, just modified kaolin is obtained；
(3) to aoxidize first modified kaolin made from copper solution impregnation steps (2), by drying and being calcined, then changed
Property kaolin；
(4) titanium tetrachloride, ammonium sulfate, dimethyl siloxane, methylcellulose, sodium metasilicate and yttrium carbonate are well mixed,
Obtain additive agent mixture；
(5) the obtained modified kaolin again of step (3), the abundant kneading of additive agent mixture made from step (4) are into plastic
Paste, extruded moulding, by drying and being calcined, obtain the kaolin catalyst in the present invention.
Embodiment three：
A kind of kaolin catalyst, it is characterised in that be prepared from the following raw materials in parts by weight：50 parts of kaolin, dioxy
8 parts of SiClx, 7 parts of boehmite, 4 parts of titanium tetrachloride, 8 parts of ammonium sulfate, 3 parts of dimethyl siloxane, 3 parts of calcium oxide, methylcellulose 5
Part, 3 parts of sodium metasilicate, 2 parts of yttrium carbonate, 1 part of zirconium oxide, 3 parts of cupric oxide.
The preparation method of described kaolin catalyst, it comprises the following steps：
(1) each raw material components are weighed according to ratio of weight and number；
(2) with containing calcium oxide, zirconium oxide mixed solution impregnation steps (2) in kaolin, boehmite and silica,
By drying and being calcined, just modified kaolin is obtained；
(3) to aoxidize first modified kaolin made from copper solution impregnation steps (2), by drying and being calcined, then changed
Property kaolin；
(4) titanium tetrachloride, ammonium sulfate, dimethyl siloxane, methylcellulose, sodium metasilicate and yttrium carbonate are well mixed,
Obtain additive agent mixture；
(5) the obtained modified kaolin again of step (3), the abundant kneading of additive agent mixture made from step (4) are into plastic
Paste, extruded moulding, by drying and being calcined, obtain the kaolin catalyst in the present invention.
Example IV:
A kind of kaolin catalyst, it is characterised in that be prepared from the following raw materials in parts by weight：65 parts of kaolin, dioxy
16 parts of SiClx, 13 parts of boehmite, 12 parts of titanium tetrachloride, 15 parts of ammonium sulfate, 6 parts of dimethyl siloxane, 5 parts of calcium oxide, methyl are fine
10 parts of dimension element, 6 parts of sodium metasilicate, 6 parts of yttrium carbonate, 4 parts of zirconium oxide, 7 parts of cupric oxide.
The preparation method of described kaolin catalyst, it comprises the following steps：
(1) each raw material components are weighed according to ratio of weight and number；
(2) with containing calcium oxide, zirconium oxide mixed solution impregnation steps (2) in kaolin, boehmite and silica,
By drying and being calcined, just modified kaolin is obtained；
(3) to aoxidize first modified kaolin made from copper solution impregnation steps (2), by drying and being calcined, then changed
Property kaolin；
(4) titanium tetrachloride, ammonium sulfate, dimethyl siloxane, methylcellulose, sodium metasilicate and yttrium carbonate are well mixed,
Obtain additive agent mixture；
(5) the obtained modified kaolin again of step (3), the abundant kneading of additive agent mixture made from step (4) are into plastic
Paste, extruded moulding, by drying and being calcined, obtain the kaolin catalyst in the present invention.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should cover in the present invention
Right among.
Claims (4)
1. a kind of kaolin catalyst, it is characterised in that be prepared from the following raw materials in parts by weight：Kaolin 50-65 parts, dioxy
SiClx 8-16 parts, boehmite 7-13 parts, titanium tetrachloride 4-12 parts, ammonium sulfate 8-15 parts, dimethyl siloxane 3-6 parts, calcium oxide
3-5 parts, methylcellulose 5-10 parts, sodium metasilicate 3-6 parts, yttrium carbonate 2-6 parts, zirconium oxide 1-4 parts, cupric oxide 3-7 parts.
2. a kind of kaolin catalyst according to claim 1, it is characterised in that by the raw material system of following parts by weight
Into：Kaolin 60,1 part of silica 1,8 parts of boehmite, 10 parts of titanium tetrachloride, 13 parts of ammonium sulfate, 5 parts of dimethyl siloxane, oxygen
Change 5 parts of calcium, 8 parts of methylcellulose, 5 parts of sodium metasilicate, 3 parts of yttrium carbonate, 3 parts of zirconium oxide, 6 parts of cupric oxide.
3. a kind of kaolin catalyst according to claim 1, it is characterised in that by the raw material system of following parts by weight
Into：55 parts of kaolin, 0 part of silica 1,10 parts of boehmite, 6 parts of titanium tetrachloride, 13 parts of ammonium sulfate, 6 parts of dimethyl siloxane,
3 parts of calcium oxide, 7 parts of methylcellulose, 4 parts of sodium metasilicate, 3 parts of yttrium carbonate, 2 parts of zirconium oxide, 3 parts of cupric oxide.
4. the preparation method of the kaolin catalyst according to any one of claim 1-3, it is characterised in that including with
Lower step：
(1) each raw material components are weighed according to ratio of weight and number；
(2) with containing calcium oxide, zirconium oxide mixed solution impregnation steps (2) in kaolin, boehmite and silica, pass through
Dry and be calcined, obtain just modified kaolin；
(3) to aoxidize first modified kaolin made from copper solution impregnation steps (2), by drying and being calcined, then it is modified height
Ridge soil；
(4) titanium tetrachloride, ammonium sulfate, dimethyl siloxane, methylcellulose, sodium metasilicate and yttrium carbonate are well mixed, obtained
Additive agent mixture；
(5) the obtained modified kaolin again of step (3), the abundant kneading of additive agent mixture made from step (4) are into plastic paste
Thing, extruded moulding, by drying and being calcined, obtain the kaolin catalyst in the present invention.
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| CN201710860540.0A CN107597129A (en) | 2017-09-21 | 2017-09-21 | A kind of kaolin catalyst and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537272A (en) * | 2013-09-24 | 2014-01-29 | 苏磊 | Modified TiO2 loaded photocatalytic ceramsite and preparation method thereof |
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- 2017-09-21 CN CN201710860540.0A patent/CN107597129A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537272A (en) * | 2013-09-24 | 2014-01-29 | 苏磊 | Modified TiO2 loaded photocatalytic ceramsite and preparation method thereof |
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