CN104071850B - A kind of preparation method of iron oxide black - Google Patents
A kind of preparation method of iron oxide black Download PDFInfo
- Publication number
- CN104071850B CN104071850B CN201310097861.1A CN201310097861A CN104071850B CN 104071850 B CN104071850 B CN 104071850B CN 201310097861 A CN201310097861 A CN 201310097861A CN 104071850 B CN104071850 B CN 104071850B
- Authority
- CN
- China
- Prior art keywords
- iron oxide
- described step
- oxide black
- slurries
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Compounds Of Iron (AREA)
Abstract
The invention provides a kind of preparation method of iron oxide black, belong to technical field of pigment preparation.Comprise the steps: that soluble ferrite mixes with water soluble alkali by (1), complete reaction 20 DEG C ~ 50 DEG C kneadings; (2) in the reacted product in described step (1), add a certain amount of water, obtain slurries; (3) in the slurries in described step (2), pass into oxygen-containing gas, be 20 ~ 60 DEG C in temperature, under pH value is 6.5 ~ 7.5 conditions, carry out oxidizing reaction; (4), after described step (3) slurries after oxidizing reaction being warming up to 60 ~ 90 DEG C, in slurries, adding a certain amount of soluble ferrite and water soluble alkali, carry out addition dehydration reaction; (5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying.The iron oxide black prepared by the method for the invention has that crystalline structure is single and the advantage that particle diameter is little, purity is high, tinting strength is strong.
Description
Technical field
The present invention relates to a kind of preparation method of iron oxide black, belong to technical field of pigment preparation.
Background technology
Iron oxide black is called for short iron black, and molecular formula is Fe
3o
4, or Fe
2o
3feO, chemical name is Z 250.Iron oxide black has saturated indigo plant ink light black, and opacifying power and tinting strength are all very high, are widely used in the painted fields such as building materials, cement, ink, printing, plastics.In recent years, the demand of China's iron oxide black constantly increases, and annual growth, up to 107%, far away higher than the rate of increase of whole iron oxide pigment 36.6%, is the iron pigment being only second to iron oxide red and iron oxide yellow.
Disclose in prior art much about the preparation method of iron oxide black.Such as, Chinese patent literature CN1709985A discloses a kind of method preparing iron oxide black, specifically comprises the steps: that (1) obtains perferrite solution; (2) make neutralizing agent and perferrite solution with caustic soda to react and generate ferrous hydroxide; (3) make oxygenant with oxygen-containing gas, generate iron oxide black with above-mentioned hydroxide iron oxidation reaction; (4) iron oxide black of generation is carried out sieve, namely press filtration, rinsing, oven dry, pulverizing obtain black iron oxide pigment.
In above-mentioned technology, in the process iron black with the preparation of oxygen-containing gas hydrogen oxide iron protoxide, along with the growing amount of iron oxide black increases, the viscosity retrogradation of solution, and after soltion viscosity retrogradation, easily cause the contact of oxygen and ferrous hydroxide to be obstructed, and then cause the rate of oxidation of ferrous hydroxide to reduce, thus make oxidization time long, and oxidization time is long, the particle diameter of iron oxide black particle can be caused large, and particle diameter greatly then can make the tinting strength of iron oxide black poor; In addition, prepare in iron black process by oxidation style, also easily generate by product Fe(OH)
3and Fe
2o
3crystal, can cause the purity drop of the iron oxide black prepared like this, also affects the tinctorial property of iron oxide black.
Summary of the invention
The problem that oxidization time is long and by product is many is there is in technical problem to be solved by this invention when being and preparing iron oxide black in prior art, cause the tinting strength of iron oxide black poor, and then a kind of method preparing iron oxide black using amorphous hydrous iron oxide replacement oxygen-containing gas as addition raw material is provided.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of iron oxide black, comprising the steps:
(1) soluble ferrite mixed with water soluble alkali, under 20 DEG C ~ 50 DEG C conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add water, obtain slurries;
(3) in the slurries in described step (2), pass into oxygen-containing gas, be 20 ~ 60 DEG C in temperature, under pH value is 6.5 ~ 7.5 conditions, carry out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 60 ~ 90 DEG C, in slurries, adding a certain amount of soluble ferrite and water soluble alkali, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying.
In described step (1), in mass, the ratio of described soluble ferrite and described water soluble alkali addition is (1.0 ~ 2.5): (0.6 ~ 2.0), is preferably (1.65 ~ 1.75): (1.0 ~ 1.2).
In described step (3), the amount that per minute passes into described oxygen-containing gas is 6L ~ 12L.
In described step (3), pH value in reaction is regulated to be 6.5 ~ 7.5 with the ammoniacal liquor that concentration is 15 ~ 28wt%.
In mass, in described step (1), the ratio of the addition of soluble ferrite and the middle soluble ferrite of described step (4) and water soluble alkali is (3 ~ 7): (1.5 ~ 3.3): (1.0 ~ 3.0), are preferably (5 ~ 5.5): (2.5 ~ 2.8): (2.3 ~ 2.7).
Described soluble ferrite is one or more in ferrous sulfate, Iron nitrate, iron protochloride.
Described water soluble alkali is one or more in sodium hydroxide, potassium hydroxide, sodium carbonate, sodium bicarbonate, volatile salt, bicarbonate of ammonia, salt of wormwood, saleratus.
In described step (5), drying temperature is 60 ~ 90 DEG C.
The present invention compared with prior art tool has the following advantages:
(1) preparation method of iron oxide black of the present invention, by soluble ferrite and water soluble alkali at room temperature kneading complete reaction, final product is ferrous hydroxide and corresponding vitriol, then above-mentioned product and water are hybridly prepared into the slurries of certain concentration, under specified temp and specific pH condition, pass into oxygen-containing gas carry out oxidizing reaction, generate the material containing amorphous hydrous iron oxide, and then after the material containing amorphous hydrous iron oxide is warming up to 80 DEG C, soluble ferrite and water soluble alkali is added again in the slurries after intensification, first soluble ferrite and water soluble alkali react generation ferrous hydroxide, then amorphous hydrous iron oxide again with generate ferrous hydroxide generation addition reaction, and the addition reaction of amorphous hydrous iron oxide and ferrous hydroxide can complete instantaneously, generate iron oxide black, its speed of response is better than oxidation rate of the prior art greatly, thus the problem that particle diameter iron oxide black crystal particles can avoided slow due to speed of response and cause is excessive, also further avoid ferrous hydroxide is oxidized to ironic hydroxide simultaneously, and then decrease iron oxide black by product Fe(OH)
3and Fe
2o
3generation.The iron oxide black prepared by the method for the invention has that crystalline structure is single and the advantage that particle diameter is little, purity is high, tinting strength is strong.
(2) preparation method of iron oxide black of the present invention, further, control the addition of soluble ferrite iron and water soluble alkali in described step (1) for (1.0 ~ 2.5): (0.6 ~ 2.0), the ratio controlling the addition of soluble ferrite and the middle soluble ferrite of described step (4) and described water soluble alkali in described step (1) is (3 ~ 7): (1.5 ~ 3.3): (1 ~ 3), under specific conditions of mixture ratios of the present invention, can ensure that the addition dehydration reaction of the amorphous hydrous iron oxide of reaction intermediate and intermediate product ferrous hydroxide has optimum reaction ratio, ensure the purity Gao Keda 97.27 ~ 97.71% of final product iron oxide black, can 170 ~ 175 be reached with tinting strength, more enter a ground, in preferred described step (1), the addition of soluble ferrite iron and water soluble alkali is (1.65 ~ 1.75): (1 ~ 1.2), in described step (1), the ratio of the addition of soluble ferrite and the middle soluble ferrite of described step (4) and described water soluble alkali is (5 ~ 5.5): (2.5 ~ 2.8): time (2.3 ~ 2.7), the purity of final product iron oxide black can up to 98.63 ~ 98.87%, can reach 180 ~ 185 with tinting strength, performance is far above the performance adopting oxidation style to prepare iron oxide black in prior art.
Accompanying drawing explanation
Fig. 1 is the XRD spectra of the iron oxide black described in the embodiment of the present invention 5.
Embodiment
Below in conjunction with embodiment, the present invention is further described in detail, but is not limited to this.
Embodiment 1
(1) mixed with the sodium hydroxide of 0.6kg by the iron vitriol of 1.0kg, under 20 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 90g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 6L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 22wt% is 6.5, under temperature is 20 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 60 DEG C, in slurries, adding the iron vitriol of 0.5kg and the sodium hydroxide of 0.33kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 60 DEG C of conditions.
Embodiment 2
(1) mixed with the potassium hydroxide of 0.7kg by the Iron nitrate of 1.2kg, under 25 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 120g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 7L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 15wt% is 7.0, under temperature is 25 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 65 DEG C, in slurries, adding the Iron nitrate of 0.6kg and the potassium hydroxide of 0.51kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 65 DEG C of conditions.
Embodiment 3
(1) mixed with the sodium carbonate of 0.75kg by the iron protochloride of 1.4kg, under 30 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 140g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 8L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 28wt% is 7.5, under temperature is 30 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 70 DEG C, in slurries, adding the iron protochloride of 0.7kg and the sodium carbonate of 0.63kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 75 DEG C of conditions.
Embodiment 4
(1) iron vitriol of 1.0kg, the iron protochloride of 0.65kg are mixed with the sodium bicarbonate of 1.0kg, under 35 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 160g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 8L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 25wt% is 7.5, under temperature is 35 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 75 DEG C, in slurries, adding the ferrous sulfate of 0.825kg and the sodium bicarbonate of 0.759kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 80 DEG C of conditions.
Embodiment 5
(1) mixed with the volatile salt of 1.2kg by the iron vitriol of 1.75kg, under 40 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 180g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 10L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 15wt% is 6.5, under temperature is 40 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 80 DEG C, in slurries, adding the iron vitriol of 0.89kg and the volatile salt of 0.858kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 85 DEG C of conditions.
Embodiment 6
(1) mixed with the bicarbonate of ammonia of 1.5kg by the iron vitriol of 2.0kg, under 45 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 200g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 12L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 22wt% is 6.5, under temperature is 50 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 85 DEG C, in slurries, adding the iron vitriol of 1.0kg and the bicarbonate of ammonia of 0.933kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 90 DEG C of conditions.
Embodiment 7
(1) mixed with the salt of wormwood of 1.7kg by the iron vitriol of 2.2kg, under 45 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 220g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 12L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 20wt% is 6.5, under temperature is 55 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 80 DEG C, in slurries, adding the iron vitriol of 1.083kg and the salt of wormwood of 0.981kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 80 DEG C of conditions.
Embodiment 8
(1) iron vitriol of 1.5kg, the Iron nitrate of 1.0kg are mixed with the sodium hydroxide of 1.0kg, the sodium carbonate of 1.0kg, under 50 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 240g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 12L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 18wt% is 7.0, under temperature is 60 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 90 DEG C, in slurries, adding the sodium carbonate of the iron vitriol of 0.678kg, the Iron nitrate of 0.5kg, the sodium hydroxide of 0.57kg and 0.5kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 90 DEG C of conditions.
Embodiment 9
(1) mixed with the volatile salt of 2.0kg by the iron vitriol of 3.0kg, under 50 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 240g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 5L, controlling pH value of reaction system with the ammoniacal liquor that concentration is 12wt% is 6.5, under temperature is 60 DEG C of conditions, carries out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 80 DEG C, in slurries, adding the iron vitriol of 1.3kg and the volatile salt of 1.1kg, carry out addition dehydration reaction;
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying under 50 DEG C of conditions.
Comparative example
Adopt the method for the iron oxide black provided in the patent documentation CN1709985A described in background technology to prepare iron oxide black, specifically comprise the steps:
(1) prepare the ferrous sulfate aqueous solution 2kg of 45wt%, put into reaction vessel;
(2) while stirring the liquid caustic soda of neutralizing agent 30wt% being about 0.865kg adds in ferric sulfate aqueous solution, and generate ferrous hydroxide, system pH is 8.5;
(3) the ferrous hydroxide pump delivery prepared to retort, by automatic steam control temperature at 95 DEG C, pH value, about 8.5, passes into the air that flow is 0.3m3/min while stirring, carries out oxidizing reaction and generates iron black;
(4) black iron oxide pigment is obtained after wet feed filtration, filter-press water-washing, oven dry, pulverizing.
Performance evaluation example
Iron oxide black in embodiment 1 ~ 9 and comparative example is carried out to the performance test of purity and tinting strength, testing method is with reference to HKG/T2250-91, and test result is in table 1.
Table 1 iron oxide black purity and tinting strength the performance test results
As shown in Table 1, the purity of the iron oxide black prepared by the preparation technology of iron oxide black of the present invention can reach 98.87, and tinting strength can reach 185, compared with comparative example, has the excellent properties of high purity and strong tinting strength.
The present invention has also carried out XRD characterization test to the iron oxide black prepared in embodiment 5, and as shown in Figure 1, as can see from Figure 1, prepare product by preparation method of the present invention is iron oxide black crystal to test picture.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments, and thus the apparent change of extending out or variation be still among the protection domain of the invention claim.
Claims (8)
1. a preparation method for iron oxide black, comprises the steps:
(1) mixed with solid solubility alkaline matter by solid solubility ferrous salt, under 20 DEG C ~ 50 DEG C conditions, kneading completes reaction; In mass, the ratio of described soluble ferrite and described soluble alkali materials addition is (1.0 ~ 2.5): (0.6 ~ 2.0);
(2) add water in the reacted product in described step (1), obtain slurries;
(3) in the slurries in described step (2), pass into oxygen-containing gas, be 20 ~ 60 DEG C in temperature, under pH value is 6.5 ~ 7.5 conditions, carry out oxidizing reaction;
(4), after described step (3) slurries after oxidizing reaction being warming up to 60 ~ 90 DEG C, in slurries, adding a certain amount of soluble ferrite and soluble alkali materials, carry out addition dehydration reaction; In mass, in described step (1), the ratio of the addition of soluble ferrite and the middle soluble ferrite of described step (4) and soluble alkali materials is (3 ~ 7): (1.5 ~ 3.3): (1.0 ~ 3.0);
(5), after having reacted, filter, filter cake obtains iron oxide black finished product after drying.
2. the preparation method of iron oxide black according to claim 1, it is characterized in that, in described step (1), in mass, the ratio of described soluble ferrite and described soluble alkali materials addition is (1.65 ~ 1.75): (1.0 ~ 1.2).
3. the preparation method of iron oxide black according to claim 1, it is characterized in that, in described step (3), the amount that per minute passes into described oxygen-containing gas is 6L ~ 12L.
4. the preparation method of iron oxide black according to claim 3, is characterized in that, in described step (3), regulates pH value in reaction to be 6.5 ~ 7.5 with the ammoniacal liquor that concentration is 15 ~ 28wt%.
5. the preparation method of iron oxide black according to any one of claim 1-4, it is characterized in that, in mass, in described step (1), the ratio of the addition of soluble ferrite and the middle soluble ferrite of described step (4) and described soluble alkali materials is (5 ~ 5.5): (2.5 ~ 2.8): (2.3 ~ 2.7).
6. the preparation method of iron oxide black according to claim 5, is characterized in that, described soluble ferrite is one or more in ferrous sulfate, Iron nitrate, iron protochloride.
7. the preparation method of iron oxide black according to claim 5, is characterized in that, described soluble alkali materials is one or more in sodium hydroxide, potassium hydroxide, sodium carbonate, sodium bicarbonate, volatile salt, bicarbonate of ammonia, salt of wormwood, saleratus.
8. the preparation method of iron oxide black according to claim 1,2,3,4,6 or 7, is characterized in that, in described step (5), drying temperature is 60 ~ 90 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097861.1A CN104071850B (en) | 2013-03-25 | 2013-03-25 | A kind of preparation method of iron oxide black |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310097861.1A CN104071850B (en) | 2013-03-25 | 2013-03-25 | A kind of preparation method of iron oxide black |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104071850A CN104071850A (en) | 2014-10-01 |
| CN104071850B true CN104071850B (en) | 2016-03-30 |
Family
ID=51593514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310097861.1A Active CN104071850B (en) | 2013-03-25 | 2013-03-25 | A kind of preparation method of iron oxide black |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104071850B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271434B (en) * | 2015-11-16 | 2017-01-25 | 南通宝聚颜料有限公司 | Method for preparing regular-octahedron ferric oxide black pigment through ferric yellow mother liquor water extracts |
| CN109850951B (en) * | 2019-04-01 | 2021-07-06 | 中钢集团南京新材料研究院有限公司 | Method for preparing iron oxide black by using titanium dioxide byproduct |
| CN112980220A (en) * | 2020-11-25 | 2021-06-18 | 正太新材料科技有限责任公司 | Preparation method and application of low-oil-absorption high-temperature-resistant iron oxide coating |
| CN113772741A (en) * | 2021-09-06 | 2021-12-10 | 江苏宇星科技有限公司 | Method for producing iron oxide black by liquid phase synthesis |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0208195B1 (en) * | 1985-06-29 | 1990-05-09 | BASF Aktiengesellschaft | Process for the preparation of magnetite pigments |
| CN1640820A (en) * | 2004-01-09 | 2005-07-20 | 华东理工大学 | Method for preparing high-purity Fe3O4 magnetic micro particles |
| CN101049976A (en) * | 2007-05-15 | 2007-10-10 | 河北师范大学 | Method for preparing superfine even Fe2O3 |
| CN101403869A (en) * | 2008-11-19 | 2009-04-08 | 南通宝聚颜料有限公司 | Production method for spherical iron oxide black magnetic powder used for laser printing, and spherical iron oxide black magnetic powder |
| CN101559986A (en) * | 2009-05-14 | 2009-10-21 | 上海一品颜料有限公司 | Method for producing iron oxide black |
| CN101585556A (en) * | 2008-05-23 | 2009-11-25 | 北京三聚环保新材料股份有限公司 | Method for preparing amorphous FeOOH and FeOOH desulfurizer prepared thereby |
| CN101767828A (en) * | 2008-12-30 | 2010-07-07 | 北京三聚环保新材料股份有限公司 | Method for preparing material containing amorphous iron oxide hydroxide and methods for regenerating the same |
| CN102153146A (en) * | 2011-04-18 | 2011-08-17 | 中国科学院化学研究所 | Method for controllably preparing hydroxyl oxidize iron, iron sesquioxide and ferroferric oxide |
-
2013
- 2013-03-25 CN CN201310097861.1A patent/CN104071850B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0208195B1 (en) * | 1985-06-29 | 1990-05-09 | BASF Aktiengesellschaft | Process for the preparation of magnetite pigments |
| CN1640820A (en) * | 2004-01-09 | 2005-07-20 | 华东理工大学 | Method for preparing high-purity Fe3O4 magnetic micro particles |
| CN101049976A (en) * | 2007-05-15 | 2007-10-10 | 河北师范大学 | Method for preparing superfine even Fe2O3 |
| CN101585556A (en) * | 2008-05-23 | 2009-11-25 | 北京三聚环保新材料股份有限公司 | Method for preparing amorphous FeOOH and FeOOH desulfurizer prepared thereby |
| CN101403869A (en) * | 2008-11-19 | 2009-04-08 | 南通宝聚颜料有限公司 | Production method for spherical iron oxide black magnetic powder used for laser printing, and spherical iron oxide black magnetic powder |
| CN101767828A (en) * | 2008-12-30 | 2010-07-07 | 北京三聚环保新材料股份有限公司 | Method for preparing material containing amorphous iron oxide hydroxide and methods for regenerating the same |
| CN101559986A (en) * | 2009-05-14 | 2009-10-21 | 上海一品颜料有限公司 | Method for producing iron oxide black |
| CN102153146A (en) * | 2011-04-18 | 2011-08-17 | 中国科学院化学研究所 | Method for controllably preparing hydroxyl oxidize iron, iron sesquioxide and ferroferric oxide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104071850A (en) | 2014-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104071850B (en) | A kind of preparation method of iron oxide black | |
| CN102139927B (en) | High-purity iron oxide black pigment and production method thereof | |
| CN102390870B (en) | Preparation method of superfine iron oxide red pigment with high glossiness and pure red tone | |
| CN105129866A (en) | Method of producing iron oxide red through iron sulfate hydrothermal process | |
| CN102910683A (en) | Production method for synthesizing nanoscale oxide iron red through full-wet method | |
| CN102603009A (en) | Method for preparing nano transparent ferric oxide red pigment | |
| CN104071849B (en) | A kind of preparation method of iron oxide black of coproduction of ammonia sulfate | |
| CN107601561A (en) | The preparation method of nanometer pucherite yellow uitramarine | |
| CN106467315B (en) | One pot of precipitation method prepares Ce0.8Sm0.2O1.9‑La1‑xSrxFe1‑yCoyO3‑δThe method of superfine powder | |
| CN108455681B (en) | Method for preparing iron oxide yellow pigment by using iron and aluminum-containing industrial wastewater | |
| CN104071852B (en) | A kind of preparation technology of iron oxide black | |
| CN101786670A (en) | Method for synthesizing iron oxide black through liquid phase oxidation with oxygen | |
| CN103011253A (en) | Method for preparing copper hydroxide with copper ammonia etching waste liquid | |
| CN104610783A (en) | Transparent aluminum hydroxide liquid phase dispersion and preparation method and application thereof | |
| CN110228823B (en) | Iron oxide yellow and preparation method thereof, and iron oxide red and preparation method thereof | |
| CN108003658A (en) | A kind of easily scattered high coloring power iron oxide black | |
| CN107986337A (en) | A kind of easily scattered high coloring power iron oxide black and preparation method thereof | |
| CN111847518A (en) | Efficient recycling method of silicomanganese slag | |
| CN107602422A (en) | A kind of clean type product 1,6,1,7 mixes the preparation method of 1-naphthlamine-6-sulfonic acid | |
| CN101723468B (en) | Method for preparing nanometer iron oxide red | |
| CN103613958A (en) | Environment-friendly titanium pigment prepared by using complexation-precipitation process | |
| CN106673071B (en) | A kind of method that lateritic nickel ore pickle liquor produces black iron oxide pigment simultaneously except iron | |
| CN104071851B (en) | A kind of iron oxide black preparation technology of coproduction of ammonia sulfate | |
| CN105692691A (en) | Preparation method of indium tin oxide | |
| CN108101118A (en) | A kind of waste water extraction iron of iron content containing zinc and the method for preparing iron oxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100080 9th floor, Dahang Jiye building, No.1 building, 33 Renmin North Road, Haidian District, Beijing Patentee after: Beijing Haixin Energy Technology Co.,Ltd. Address before: 100080, Beijing, Haidian District people's Congress Road 33, the big line foundation building 17 floor Patentee before: BEIJING SANJU ENVIRONMENTAL PROTECTION & NEW MATERIALS Co.,Ltd. |
|
| CP03 | Change of name, title or address |