CN86107137A - Iron oxide pigment and preparation method thereof - Google Patents
Iron oxide pigment and preparation method thereof Download PDFInfo
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- CN86107137A CN86107137A CN 86107137 CN86107137A CN86107137A CN 86107137 A CN86107137 A CN 86107137A CN 86107137 CN86107137 CN 86107137 CN 86107137 A CN86107137 A CN 86107137A CN 86107137 A CN86107137 A CN 86107137A
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- iron oxide
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Abstract
Iron oxide pigment and preparation method thereof.Iron oxide pigment of the present invention is that the underground water that discharges with the colliery is raw material, makes through atmospheric oxidation, chemical extraction, standing sedimentation, seasoning, 400～930 ℃ of oxidizing roastings.Comprise various iron oxide pigments such as iron oxide yellow, oxidation colcother Huang, red iron oxide, iron oxide purple, iron oxide blue, iron oxide black.
Preparation method's technology of the present invention is simple, with low cost, and the function of purified water source is arranged.Prepared iron oxide pigment Fe
2O
3The content height, water-soluble salt is low, and fineness is good, strong covering power.
Description
The invention belongs to iron oxide pigment, say so in more detail about the underground water that utilizes colliery discharging method for the feedstock production iron oxide pigment.
In prior art, the used raw material of mars pigment mostly is the useless byproduct of ferrous sulfate, iron trichloride and other industry such as iron filings, iron sheet.Wherein ferrous sulfate has been described in Japanese Patent 51-021640 with alkali, carbonic acid gas, air and ammonia treatment ferrous sulfate from the by product of iron and steel pickling waste liquid and sulfate process titanium dioxide, generates the quality oxide iron oxide yellow, then gets red iron oxide through thermal treatment again.Narrated among the russian patent SU684049 green vitriol and metallic iron are mixed, bubbling air one hour all precipitates the iron residue, the clear liquid ammonia treatment.Add metallic iron then, handled 50～60 minutes, promptly get ferric oxide yellow pigment at 80 ℃ of following bubbling airs.
Iron trichloride is from chlorohydric acid pickling iron and steel waste liquid, titanium white chloride and titania byproduct.West Germany Cronus titanium company prepares ferric oxide with the precipitator method, rationally to utilize the iron trichloride of titanium white chloride factory, the existing description in Deutsches Reichs-Patent DD2611667.West Germany Beyer Co., Ltd utilizes the aniline ferrous sulfate by-product to produce the maximum company of iron oxide pigment, and adopting the precipitator method in recent years is the raw material production iron oxide black with the ferrous sulfate, and patent applied for DD2612789.
In June, 1984, European patent EP 30790-A has revealed the report of preparation iron oxide yellow from ferrous salt solution, adds carbonate in perferrite solution, keeps acidic medium, and 40～70 ℃ of following oxidations, the raw material of employing remains the Iron And Steel Industry waste liquid.
The existing production technique production cycle is long, productive expense height, contaminate environment.The aniline process cycle is shorter, and is useless secondary few, but must combine with Aniline Production, and its limitation is arranged.
The object of the present invention is to provide a kind of preparation method of iron oxide pigment.Effectively utilize the geographic underground water Mineral resources of coal mining, the iron oxide pigment that production performance is good, the purpose of reach purified water source simultaneously, beautifying the environment.
All areas that underground coal mine exploitation is arranged always are accompanied by a large amount of underground water dischargings, and on Here it is the ground source region of so-called " alum water the Yellow River ".The pale brown muddiness of water in these alum water rivers, generations are polluting the water source in environment He Jiang, river, lake, sea.
When inventor of the present invention deceives glaze at the ceramic low temperature of preparation, sneak into the underground water throw out of colliery discharging unintentionally, be surprised to find that the underground water throw out of colliery discharging can be painted on glaze.Thereby conclude in the underground water that discharges in the colliery and contain molysite.
Contain the reason of molysite in the underground water of colliery discharging, the chances are owing to the reason that contains irony in the coal seam.The coal seam was in below the W.T. of closed state before not exploited as yet, had kept relative steady state; After a large amount of exploitations, groundwater table decreasing, a large amount of air admission are underground, oxygenizement is strengthened, under the influence of microorganism, organic matter decomposition forms various acids such as nitric acid, sulfuric acid, carbonic acid, and the irony results of interaction in air and various acids and the coal seam has generated oxyhydroxide of molysite such as the oxide compound of iron such as ferric oxide, Z 250, iron protoxide and ferrous sulfate, ferric sulfate, iron carbonate, iron nitrate, iron(ic) chloride and ferrous salt and iron or the like.These materials are discharged to the underground water of colliery discharging after the ground, through further oxidation and with air and ground other substance reaction, also some variations can take place, sedimentation takes place in part, makes the water muddiness.
Said iron oxide pigment of the present invention and preparation method thereof is characterized in that utilizing the underground water of above-mentioned colliery discharging to be feedstock production.
The said iron oxide pigment of the present invention comprises various iron oxide pigments such as iron oxide yellow, red iron oxide, oxidation colcother Huang, iron oxide purple, oxide tillandsia, iron oxide black.
The step that the said underground water with the colliery discharging of the present invention is feedstock production iron oxide yellow, red iron oxide, oxidation colcother Huang, iron oxide purple, oxide tillandsia, iron oxide black is: the underground water of getting the colliery discharging, atmospheric oxidation 1～2 hour, add gauge water dissolubility alkaline matter and be neutralized to pH7.3～9, be preferably in 8.Make the iron ion major part form precipitation like this with ironic hydroxide, thus the harmful gas pollution such as sulphur trioxide of emitting when having avoided calcining.Staticly settle after the neutralization, throw out is natural air-dry, reinstall 400～930 ℃ of interior oxidizing roastings of scope in the High Temperature Furnaces Heating Apparatus, control different temperature and different oxidizing condition and time, can get various iron oxide pigments such as iron oxide yellow, red iron oxide, oxidation colcother Huang, iron oxide purple, oxide tillandsia, iron oxide black.After coming out of the stove again through pulverize, sieving gets product.
The said phreatic alkaline matter that is used to neutralize of the present invention comprises sodium hydroxide, yellow soda ash, the water-soluble alkali that calcium hydroxide, ammoniacal liquor etc. are all can be selected according to the local resources situation, and we advise adopting calcium hydroxide or yellow soda ash, easy to use, also both economical being easy to get.
Utilize method of the present invention to prepare iron oxide pigment, technology is simple, and facility investment is few, and is pollution-free.And the underground water of colliery discharging can also be become by muddiness and infuse clearly, reached beautify the environment, the purpose of purified water source, can be described as the thing of a double gain fully.
Utilize the iron oxide pigment and the domestic like product technical indicator of method preparation of the present invention to be compared as follows table:
Project national standard (GBH103) oxidation colcother of the present invention Huang
Fe
2O
3Content (%) 75 78.6
Water-soluble salt (%) 0.7 0.17
Moisture content (%) 1 0.9
Color similarity is bright-coloured
Oil number 15～20 13～20
PH value 77
Fineness (tails over/325 orders (%) 0.1 0.07
As seen from last, with the iron oxide pigment of method preparation of the present invention, iron oxide content height, water-soluble salt is low, and is bright-colored, and fineness is well the feature of giving prominence to.Therefore be used for that coating process is good, opacifying power is high, be easy to painted, excellent performance.And the oxidation colcother Huang that utilizes method of the present invention to prepare, can replace deleterious oxidation red lead Huang, this is at the protection environment, and saving metallic lead raw material aspect is significant.
The embodiment I
Get 10000 milliliters of colliery discharging underground water, natural oxidation is two hours under air at room temperature, stirs down and is neutralized to pH8 with the 0.5N aqueous sodium carbonate.Staticly settled 30 minutes, the air-dry back of throw out weighs 72.3 grams.Then throw out is placed in the retort furnace 400～650 ℃ of oxidizing roastings 4 hours, iron oxide yellow 38 grams.
The embodiment II
Get 10000 milliliters of colliery discharging underground water, natural oxidation is two hours under air at room temperature, stirs down and is neutralized to pH7～8 with saturated calcium hydroxide aqueous solution.Staticly settled 30 minutes, the air-dry back of throw out weighs 74.2 grams.Then throw out is placed in the retort furnace 730～850 ℃ of oxidizing roastings 4 hours, yellow 39.5 grams of oxidation colcother.
The embodiment III
Get 10000 milliliters of colliery discharging underground water, natural oxidation is 2 hours under air at room temperature, stirs down and is neutralized to pH7.5 with saturated calcium hydroxide aqueous solution.Staticly settled 30 minutes.The air-dry back of throw out weighs 72.6 grams.Throw out is placed in the retort furnace 850～900 ℃ of oxidizing roastings 4 hours then, red iron oxide weigh 39 grams.
Claims (4)
1, iron oxide pigment and preparation method thereof is characterized in that the underground water with the colliery discharging is feedstock production.
2, the said iron oxide pigment of claim 1 is characterized in that comprising various iron oxide pigments such as iron oxide yellow, red iron oxide, oxidation colcother Huang, iron oxide purple, oxide tillandsia, iron oxide black.
3, the said preparation method of claim 1 is characterized in that comprising the steps:
(a) atmospheric oxidation.
(b) alkaline matter neutralization.
(c) standing sedimentation.
(d) seasoning.
(e) 400～930 ℃ of oxidations are taken exercise.
(f) pulverize, pack.
4, claim 3(b) said alkaline matter is characterized in that comprising sodium hydroxide, yellow soda ash, calcium hydroxide, ammoniacal liquor etc., and calcium hydroxide or yellow soda ash are adopted in suggestion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86107137A CN86107137B (en) | 1986-10-24 | 1986-10-24 | Iron-oxide pigment and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN86107137A CN86107137B (en) | 1986-10-24 | 1986-10-24 | Iron-oxide pigment and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86107137A true CN86107137A (en) | 1987-11-04 |
| CN86107137B CN86107137B (en) | 1988-11-16 |
Family
ID=4803478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN86107137A Expired CN86107137B (en) | 1986-10-24 | 1986-10-24 | Iron-oxide pigment and its preparation method |
Country Status (1)
| Country | Link |
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| CN (1) | CN86107137B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583573A (en) * | 2012-02-21 | 2012-07-18 | 升华集团德清华源颜料有限公司 | High temperature resistant iron oxide red pigment |
| CN102718267A (en) * | 2012-07-18 | 2012-10-10 | 广西大学 | Method for preparing black iron oxide by utilizing yellow ammonium iron alum slag |
| CN103788715A (en) * | 2014-02-12 | 2014-05-14 | 铜陵瑞莱科技有限公司 | Iron oxide black pigment containing camphor oil |
| CN103864152A (en) * | 2012-12-17 | 2014-06-18 | 重庆华浩冶炼有限公司 | A method of producing iron red by utilization of waste liquid of copper coated iron powder production |
| CN107200362A (en) * | 2017-06-26 | 2017-09-26 | 杭州明兴化工有限公司 | A kind of method that pure oxygen oxidizing process produces iron oxide black |
-
1986
- 1986-10-24 CN CN86107137A patent/CN86107137B/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583573A (en) * | 2012-02-21 | 2012-07-18 | 升华集团德清华源颜料有限公司 | High temperature resistant iron oxide red pigment |
| CN102718267A (en) * | 2012-07-18 | 2012-10-10 | 广西大学 | Method for preparing black iron oxide by utilizing yellow ammonium iron alum slag |
| CN103864152A (en) * | 2012-12-17 | 2014-06-18 | 重庆华浩冶炼有限公司 | A method of producing iron red by utilization of waste liquid of copper coated iron powder production |
| CN103864152B (en) * | 2012-12-17 | 2016-12-28 | 重庆有研重冶新材料有限公司 | A kind of method utilizing the waste liquid producing iron bronze composite powder to produce iron oxide red |
| CN103788715A (en) * | 2014-02-12 | 2014-05-14 | 铜陵瑞莱科技有限公司 | Iron oxide black pigment containing camphor oil |
| CN107200362A (en) * | 2017-06-26 | 2017-09-26 | 杭州明兴化工有限公司 | A kind of method that pure oxygen oxidizing process produces iron oxide black |
Also Published As
| Publication number | Publication date |
|---|---|
| CN86107137B (en) | 1988-11-16 |
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