CN103691300A - Preparation method of normal-temperature iron desulfurizer - Google Patents
Preparation method of normal-temperature iron desulfurizer Download PDFInfo
- Publication number
- CN103691300A CN103691300A CN201310717738.5A CN201310717738A CN103691300A CN 103691300 A CN103691300 A CN 103691300A CN 201310717738 A CN201310717738 A CN 201310717738A CN 103691300 A CN103691300 A CN 103691300A
- Authority
- CN
- China
- Prior art keywords
- desulfurizing agent
- preparation
- normal temperature
- roasting
- cobalt
- 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.)
- Granted
Links
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a preparation method of a normal-temperature iron desulfurizer, which comprises the following steps: adding 0.05-0.5 mol/L urea into a soluble cobalt salt-soluble iron salt mixed solution, and adding sodium bicarbonate to regulate the pH value of the solution to 7.2-7.5; reacting at 130-140 DEG C under the pressure of 0.12-0.15Mpa for 0.5-2 hours to obtain the cobalt-containing iron hydroxide oxide precipitate particles; and carrying out fluid bed roasting on the iron hydroxide oxide precipitate particles in an oxygen-containing atmosphere at 250-300 DEG C to obtain the desulfurizer product. The long-term research by people finds that the desulfurizer prepared by the method has higher sulfur capacity than the desulfurizer in the prior art at normal temperature.
Description
Technical field
The invention belongs to desulfurizing agent field, be specifically related to a kind of preparation method at normal temperatures with the Fe-series desulfurizing agent of high Sulfur capacity.
Background technology
Hydrogen sulfide is extensively present in the waste gas that waste gas, natural gas, synthesis gas and general industry that coal and petroleum chemical industry produce produce, be a kind of have height excitant and corrosive pernicious gas, the hydrogen sulfide of very low concentrations can cause serious harm to health of human body and nature conventionally.Wherein, with coal or oil, producing in the production process of industrial chemicals, the hydrogen sulfide of its generation is mainly owing to containing more sulphur-containing substance in raw material, this sulphur-containing substance is reacted in process of production and discharge hydrogen sulfide, and the existence of hydrogen sulfide can directly cause catalyst activity material poisoning and deactivation in subsequent production workshop section.Therefore,, for the harm of removal of hydrogen sulfide, be necessary in process of production to utilize desulfurizing agent to remove the hydrogen sulfide in gas.
In prior art for removing the desulfurizing agent of hydrogen sulfide, there are ferriferous oxide desulfurizing agent, Zinc oxide desulfurizer, activated carbon desulphurization agent, many composite oxide of metal desulfurizing agent etc., wherein ferriferous oxide desulfurizing agent is comparatively commonly use a kind of, as Chinese patent literature CN1944273A discloses a kind of ferric oxide desulfurizer, the preparation method of this desulfurizing agent is: ferrous sulfate is mixed with carbonate, under the condition that is 8-9 in pH value, react, generate ferrous carbonate and sulfate; Then after being oxidized in air, then through washing, filter, dry and obtain iron oxide.
Ferric oxide desulfurizer is one of the most traditional desulfurizing agent, but aspect desulfurization performance, its desulfurization precision and Sulfur capacity are all lower.In order to improve performance, desulfurizing agent of the prior art conventionally also can add other active metal component on the basis of above-mentioned Single Iron oxide component.As Chinese CN1868572A discloses a kind of iron, be O composite metallic oxide catalyst, wherein containing the iron oxide of 20-60wt%, the titanium oxide of the aluminium oxide of 15-45wt%, 15-45wt%, 1-15wt% zinc oxide, 1-15wt% vanadium oxide.This desulfurizing agent adopts coprecipitation to make, and specific surface is 110-160cm2/g, has higher Sulfur capacity.
Through those skilled in the art's years of researches, in above-mentioned prior art, the desulfurization performance of desulfurizing agent has increased significantly, but the shortcoming still existing is: when using at normal temperatures, in prior art, the Sulfur capacity of desulfurizing agent is still lower, and then make the service life of desulfurizing agent and desulfuration efficiency be subject to impact, be difficult to meet the requirement to desulfuration efficiency and economic performance in actual industrial production.
Summary of the invention
Still lower in order to solve the Sulfur capacity of desulfurizing agent in prior art, and then make service life and the affected problem of desulfuration efficiency of desulfurizing agent, the invention provides and a kind ofly can access the preparation method under normal temperature with the desulfurizing agent of high Sulfur capacity.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of normal temperature Fe-series desulfurizing agent, comprise the following steps:
(1) prepare the mixed aqueous solution of solubility cobalt salt and soluble ferric iron salt, in described mixed aqueous solution, the mol ratio of cobalt ions and iron ion is 1:8-1:15;
(2) described mixed solution is placed in autoclave, in described mixed solution, adds the urea of 0.05-0.5mol/L, then the pH value that adds manganese hydrogen sodium regulating solution is 7.2-7.5;
The temperature of controlling described autoclave is 130-140 ℃, and pressure is 0.12-0.15Mpa, reacts and within 0.5-2 hour, prepares the FeOOH deposit seed containing cobalt;
(3) by the described FeOOH deposit seed containing cobalt in oxygen-containing atmosphere, carry out fluosolids roasting under 250-300 ℃ condition; The fluosolids roasting time is 0.5-2 hour;
(4) particle after fluosolids roasting is mixed with binding agent, pore creating material, after moulding, being dried, under 200-250 ℃ of condition, after roasting, obtain desulfurizing agent product.
Described solubility cobalt salt is Co (NO3) 2, and described soluble ferric iron salt is Fe (NO3) 3 or FeCl3.
In described step (1), the mol ratio of cobalt ions and iron ion is 1:9-1:11.
In described step (2), described mixed solution is placed in autoclave, to the urea that adds 0.01-0.2mol/L in described mixed solution.
Described binding agent is a kind of in bentonite, diatomite or two kinds.
Described pore creating material is wood dust.
Described step (4) adds water to be configured to suspension after the particle after roasting is mixed with binding agent, pore creating material, through mist projection granulating, carries out moulding.
Baking temperature in described step (4) is 90-110 ℃, and be 0.5-2 hour drying time.
In described step (4), under 200-250 ℃ of condition, the time of roasting is 0.5-2 hour.
The preparation method of normal temperature Fe-series desulfurizing agent of the present invention, advantage is:
(1) preparation method of normal temperature Fe-series desulfurizing agent of the present invention, by adding the urea of 0.05-0.5mol/L in the mixed solution to solubility cobalt salt and soluble ferric iron salt, then the pH value that adds manganese hydrogen sodium regulating solution is 7.2-7.5; In temperature, be 130-140 ℃, pressure is under 0.12-0.15Mpa condition, to react the FeOOH deposit seed preparing for 0.5-2 hour containing cobalt; Described FeOOH deposit seed obtains desulfurizing agent product after fluosolids roasting in oxygen-containing atmosphere, under 250-300 ℃ condition.The inventor finds by long-term research, and the desulfurizing agent that said method prepares, than desulfurizing agent of the prior art, has higher Sulfur capacity under normal temperature condition.Cause the reason of this phenomenon, inventor's supposition adds the urea of 0.05-0.5mol/L in described mixed solution, the pH value that adds again manganese hydrogen sodium regulating solution is 7.2-7.5, this is conducive in follow-up heating, under pressurized conditions, generate the FeOOH containing cobalt, and being conducive to FeOOH particle, the pyrolysis of sodium acid carbonate in heating process in growth course, form higher specific area, the FeOOH surface distributed of this high-specific surface area has rational basic center and cobalt active component, after fluosolids roasting, can further generate the ferriferous oxide with high desulfurization activity.
(2) preparation method of normal temperature Fe-series desulfurizing agent of the present invention, after further limiting and in described step (4), the particle after roasting being mixed with binding agent, pore creating material, adds water to be configured to suspension, through mist projection granulating, carries out moulding.Reason is, the desulfurizing agent that granulating and forming prepares only need add a small amount of binding agent can reach higher intensity, thereby has higher Sulfur capacity.
The specific embodiment
Embodiment 1
The preparation method of the desulfurizing agent described in the present embodiment is:
(1) preparation is containing 0.1mol/LCo (NO
3)
2and 1.5mol/LFe (NO
3)
3mixed aqueous solution, the mol ratio of described cobalt ions and iron ion is 1:15;
(2) described mixed solution is placed in autoclave, in described mixed solution, adds the urea of 0.05mol/L, more slowly add sodium acid carbonate, until the final pH value of solution is 7.2;
The temperature of controlling described autoclave is 130 ℃, and pressure is 0.12Mpa, reacts and within 0.5 hour, prepares the FeOOH deposit seed containing cobalt;
(3) by the described FeOOH deposit seed containing cobalt in moving air atmosphere, carry out fluosolids roasting under 250 ℃ of conditions; The fluosolids roasting time is 0.5 hour;
(4) particle after fluosolids roasting is mixed with bentonite, sodium carboxymethylcellulose, wherein said bentonitic consumption is the 5wt% of particle after fluosolids roasting, and the consumption of described sodium carboxymethylcellulose is the 3wt% of particle after fluosolids roasting.After extruded moulding, obtain the strip of Φ (5 ± 1) * (10 ± 1) mm, at 90 ℃, be dried 0.5 hour, then within 0.5 hour, obtain desulfurizing agent finished product 200 ℃ of roastings.
Embodiment 2
The preparation method of the desulfurizing agent described in the present embodiment is:
(1) preparation is containing 0.1mol/LCo (NO
3)
2and 2.0mol/LFeCl
3mixed aqueous solution, the mol ratio of described cobalt ions and iron ion is 1:20;
(2) described mixed solution is placed in autoclave, in described mixed solution, adds the urea of 0.5mol/L, more slowly add sodium acid carbonate, until the final pH value of solution is 7.5;
The temperature of controlling described autoclave is 140 ℃, and pressure is 0.15Mpa, reacts and within 2 hours, prepares the FeOOH deposit seed containing cobalt;
(3) by the described FeOOH deposit seed containing cobalt in moving air, carry out fluosolids roasting under 300 ℃ of conditions; The fluosolids roasting time is 2 hours;
(4) particle after fluosolids roasting is mixed with bentonite, sodium carboxymethylcellulose, wherein said bentonitic consumption is the 5wt% of particle after fluosolids roasting, and the consumption of described sodium carboxymethylcellulose is the 3wt% of particle after fluosolids roasting.After extruded moulding, obtain the strip of Φ (5 ± 1) * (10 ± 1) mm, at 110 ℃, be dried 2 hours, then within 2 hours, obtain desulfurizing agent finished product 250 ℃ of roastings.
Embodiment 3
The preparation method of the desulfurizing agent described in the present embodiment is:
(1) preparation is containing 0.1mol/LCo (NO
3)
2and 1.6mol/LFe (NO
3)
3mixed aqueous solution, the mol ratio of described cobalt ions and iron ion is 1:16;
(2) described mixed solution is placed in autoclave, in described mixed solution, adds the urea of 0.01mol/L, more slowly add sodium acid carbonate, until the final pH value of solution is 7.5;
The temperature of controlling described autoclave is 140 ℃, and pressure is 0.15Mpa, reacts and within 2 hours, prepares the FeOOH deposit seed containing cobalt;
(3) by the described FeOOH deposit seed containing cobalt in moving air, carry out fluosolids roasting under 300 ℃ of conditions; The fluosolids roasting time is 2 hours;
(4) particle after fluosolids roasting is mixed with bentonite, sodium carboxymethylcellulose, wherein said bentonitic consumption is the 5wt% of particle after fluosolids roasting, and the consumption of described sodium carboxymethylcellulose is the 3wt% of particle after fluosolids roasting.After extruded moulding, obtain the strip of Φ (5 ± 1) * (10 ± 1) mm, at 110 ℃, be dried 2 hours, then within 2 hours, obtain desulfurizing agent finished product 250 ℃ of roastings.
Embodiment 4
The preparation method of the desulfurizing agent described in the present embodiment is:
(1) preparation is containing 0.1mol/LCo (NO
3)
2and 1.8mol/LFe (NO
3)
3mixed aqueous solution, the mol ratio of described cobalt ions and iron ion is 1:18;
(2) described mixed solution is placed in autoclave, in described mixed solution, adds the urea of 0.2mol/L, more slowly add sodium acid carbonate, until the final pH value of solution is 7.2;
The temperature of controlling described autoclave is 130 ℃, and pressure is 0.12Mpa, reacts and within 1 hour, prepares the FeOOH deposit seed containing cobalt;
(3) by the described FeOOH deposit seed containing cobalt in air atmosphere, carry out fluosolids roasting under 250 ℃ of conditions; The fluosolids roasting time is 2 hours;
(4) particle after fluosolids roasting is mixed with bentonite, sodium carboxymethylcellulose, wherein said bentonitic consumption is the 5wt% of particle after fluosolids roasting, and the consumption of described sodium carboxymethylcellulose is the 3wt% of particle after fluosolids roasting.After extruded moulding, obtain the strip of Φ (5 ± 1) * (10 ± 1) mm, at 110 ℃, be dried 2 hours, then within 2 hours, obtain desulfurizing agent finished product 250 ℃ of roastings.
Embodiment 5
The preparation method of the desulfurizing agent described in the present embodiment is:
(1) preparation is containing 0.1mol/LCo (NO
3)
2and 1.8mol/LFe (NO
3)
3mixed aqueous solution, the mol ratio of described cobalt ions and iron ion is 1:18;
(2) described mixed solution is placed in autoclave, in described mixed solution, adds the urea of 0.3mol/L, more slowly add sodium acid carbonate, until the final pH value of solution is 7.2;
The temperature of controlling described autoclave is 130 ℃, and pressure is 0.12Mpa, reacts and within 1 hour, prepares the FeOOH deposit seed containing cobalt;
(3) by the described FeOOH deposit seed containing cobalt in air atmosphere, carry out fluosolids roasting under 250 ℃ of conditions; The fluosolids roasting time is 2 hours;
(4) particle after fluosolids roasting is mixed with bentonite, sodium carboxymethylcellulose, wherein said bentonitic consumption is the 2wt% of particle after fluosolids roasting, and the consumption of described sodium carboxymethylcellulose is the 1wt% of particle after fluosolids roasting.Add water to be configured to suspension, after mist projection granulating moulding, at 110 ℃, be dried 2 hours, then within 2 hours, obtain desulfurizing agent finished product 250 ℃ of roastings.
In above-described embodiment, the FeOOH deposit seed containing cobalt that step (2) prepares carries out the fluosolids roasting in step (3) after physical separation again, described physical separation can be for solid-liquid separation technique arbitrarily in prior art, as centrifugation, isolated by filtration or sedimentation separation.
In addition, the fluosolids roasting of step in above-described embodiment 1-5 (3) is that particle is placed in fluid bed, and under the drive of moving air, particle is suspended among the fluid of motion, presents " fluidisation state ".In the above embodiment of the present invention 1-5, particle is placed in the fluid bed that diameter is 0.3 ㎡, the height of stratum granulosum is 10cm, and the flow velocity of the moving air of setting is 0.4m/s.When fluosolids roasting, the flow velocity of described moving air is different and different according to the height of the diameter of fluid bed, stratum granulosum, the present invention there is no special restriction for the flow velocity of fluosolids roasting, as long as can realize the fluidisation state of particle, as preferably, the scope of flow velocity should be greater than or equal to critical fludization velocity and be less than 105% of critical fludization velocity.
Experimental example
Get each 100g of desulfurizing agent that above-described embodiment 1 to 5 prepares, under normal temperature (refer to environment temperature, be generally-5 ℃ to 45 ℃) normal pressure (environmental pressure is generally 1 atmospheric pressure), with containing H
2s is that the Standard Gases of 40000ppm carries out evaluation test.Wherein, qualitative detection, can detect outlet sulphur by autogamy 1% liquor argenti nitratis ophthalmicus; Quantitatively detect, can adopt the comprehensive Microcoulomb instrument of domestic WK-2C (Jiangsu Electrical Analysis Instrument Factory's production) to detect, the detection limit of this instrument is 0.2ppm.Testing result is as follows.
| Embodiment numbering | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Sulfur capacity | 63.1% | 62.9% | 65.0% | 66.1% | 69.3% |
By the above results, can be found out, the desulfurizing agent described in the present invention has high Sulfur capacity, can reach 63.1%-69.3%.
Comparative example 1
Technique effect for the desulfurizing agent that further proof the present invention prepares, is also provided with comparative example, and the preparation method of the desulfurizing agent described in this comparative example is:
(1) adopt the precipitation method to prepare FeOOH particle:
By 152 grams of FeSO
4be made into the aqueous solution and be placed in reactor, under stirring condition, drop into 58 grams of solid Na
2cO
3, finally mixed aqueous solution pH is adjusted to 8, react after 0.5 hour, filter, filter cake washes with water, then described filter cake is made into solid masses percentage composition and is 30% water slurry, and well passes into air and is oxidized, until Fe
2+/ F
alwaysbe less than 1%, dry in the time of 100 ℃, obtain FeOOH particle;
(2) adopt equi-volume process by Co (NO
3)
2be immersed on FeOOH particle, wherein in Co ion and FeOOH, the mol ratio of iron ion is 1:15;
(3) by completing particle after dipping, in air atmosphere, under 250 ℃ of conditions, carry out fluosolids roasting; The fluosolids roasting time is 0.5 hour;
(4) particle after roasting is mixed with bentonite, sodium carboxymethylcellulose, after extruded moulding, obtain the strip of Φ (5 ± 1) * (10 ± 1) mm, at 90 ℃, be dried 0.5 hour, then within 0.5 hour, obtain desulfurizing agent finished product 200 ℃ of roastings; Wherein said bentonitic consumption is the 5wt% of particle after roasting, and the consumption of described sodium carboxymethylcellulose is the 3wt% of particle after roasting.
Get above-mentioned desulfurizing agent 100g, under condition described in experimental example, test, the Sulfur capacity that records desulfurizing agent in this comparative example is 41.9%.
Comparative example 2
The preparation method of the desulfurizing agent described in this comparative example is:
(1) preparation is containing 0.1mol/LCo (NO
3)
2and 1.5mol/LFe (NO
3)
3mixed aqueous solution, the mol ratio of described cobalt ions and iron ion is 1:15;
(2) described mixed solution is placed in autoclave, in described mixed solution, adds the urea of 0.05mol/L, more slowly add sodium acid carbonate, until the final pH value of solution is 7.2;
The temperature of controlling described autoclave is 130 ℃, and pressure is 0.12Mpa, reacts and within 0.5 hour, prepares the FeOOH deposit seed containing cobalt;
(3) by the described FeOOH deposit seed containing cobalt directly in air atmosphere, carry out roasting 0.5 hour under 250 ℃ of conditions;
(4) particle after roasting is mixed with bentonite, sodium carboxymethylcellulose, wherein said bentonitic consumption is the 5wt% of particle after roasting, and the consumption of described sodium carboxymethylcellulose is the 3wt% of particle after roasting.After extruded moulding, obtain the strip of Φ (5 ± 1) * (10 ± 1) mm, at 90 ℃, be dried 0.5 hour, then within 0.5 hour, obtain desulfurizing agent finished product 200 ℃ of roastings.
Comparative example 2 is compared with embodiment 1, and difference is that the roasting in step (3) do not carry out under fluidized state, gets above-mentioned desulfurizing agent 100g, under condition described in experimental example, tests, and recording the Sulfur capacity of desulfurizing agent in this comparative example is 52.4%.
From the result of comparative example, can find out, the Sulfur capacity of the desulfurizing agent that in the present invention, preparation method prepares will be far longer than comparative example.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction 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 also giving all embodiments.And the apparent variation of being extended out thus or the change protection domain in the invention still.
Claims (9)
1. a preparation method for normal temperature Fe-series desulfurizing agent, is characterized in that, comprises the following steps:
(1) prepare the mixed aqueous solution of solubility cobalt salt and soluble ferric iron salt, in described mixed aqueous solution, the mol ratio of cobalt ions and iron ion is 1:15-1:20;
(2) described mixed solution is placed in autoclave, in described mixed solution, adds the urea of 0.05-0.5mol/L, more slowly add sodium acid carbonate, until the final pH value of solution is 7.2-7.5;
The temperature of controlling described autoclave is 130-140 ℃, and pressure is 0.12-0.15Mpa, reacts and within 0.5-2 hour, prepares the FeOOH deposit seed containing cobalt;
(3) by the described FeOOH deposit seed containing cobalt in oxygen-containing atmosphere, carry out fluosolids roasting under 250-300 ℃ condition; The fluosolids roasting time is 0.5-2 hour;
(4) particle after fluosolids roasting is mixed with binding agent, pore creating material, after moulding, being dried, under 200-250 ℃ of condition, after roasting, obtain desulfurizing agent product.
2. the preparation method of normal temperature Fe-series desulfurizing agent according to claim 1, is characterized in that, described solubility cobalt salt is Co (NO
3)
2, described soluble ferric iron salt is Fe (NO
3)
3or FeCl
3.
3. the preparation method of normal temperature Fe-series desulfurizing agent according to claim 1 and 2, is characterized in that, in described step (1), the mol ratio of cobalt ions and iron ion is 1:16-1:18.
4. according to the preparation method of the normal temperature Fe-series desulfurizing agent described in claim 1-3, it is characterized in that, in described step (2), described mixed solution is placed in autoclave, to the urea that adds 0.01-0.2mol/L in described mixed solution.
5. according to the preparation method of the normal temperature Fe-series desulfurizing agent described in claim 1-4, it is characterized in that, described binding agent is a kind of in bentonite, diatomite or two kinds.
6. according to the preparation method of the normal temperature Fe-series desulfurizing agent described in claim 1-5, it is characterized in that, described pore creating material is wood dust.
7. according to the preparation method of the normal temperature Fe-series desulfurizing agent described in claim 1-6, it is characterized in that, described step (4) adds water to be configured to suspension after the particle after roasting is mixed with binding agent, pore creating material, through mist projection granulating, carries out moulding.
8. according to the preparation method of the normal temperature Fe-series desulfurizing agent described in claim 1-7, it is characterized in that, the baking temperature in described step (4) is 90-110 ℃, and be 0.5-2 hour drying time.
9. according to the preparation method of the normal temperature Fe-series desulfurizing agent described in claim 1-8, it is characterized in that, the time of carrying out roasting in described step (4) under 200-250 ℃ of condition is 0.5-2 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717738.5A CN103691300B (en) | 2013-12-23 | 2013-12-23 | A kind of preparation method of normal-temperature iron desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310717738.5A CN103691300B (en) | 2013-12-23 | 2013-12-23 | A kind of preparation method of normal-temperature iron desulfurizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103691300A true CN103691300A (en) | 2014-04-02 |
| CN103691300B CN103691300B (en) | 2017-10-03 |
Family
ID=50353061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310717738.5A Active CN103691300B (en) | 2013-12-23 | 2013-12-23 | A kind of preparation method of normal-temperature iron desulfurizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103691300B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600903A (en) * | 2015-12-29 | 2016-05-25 | 北京三聚环保新材料股份有限公司 | High-efficiency spherical desulfurizing agent and preparation method and application thereof |
| CN107082467A (en) * | 2017-03-20 | 2017-08-22 | 中国科学院合肥物质科学研究院 | FeOOH nanometer rods/Foam carbon composite material and preparation method and application |
| CN107497440A (en) * | 2017-08-17 | 2017-12-22 | 江苏天东新材料科技有限公司 | The preparation method and application of tempreture organic sulphur hydrolysis, absorption and the multi-functional desulfurizing agent of deoxidation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04219136A (en) * | 1990-04-25 | 1992-08-10 | Nippon Steel Corp | Composition having air purifying power and production thereof |
| CN1114462C (en) * | 2000-09-11 | 2003-07-16 | 湖北省化学研究所 | Oxygen deficiency resistant and composite type metal hydated oxides fine desulfurizing agent and prepn. method therefor |
| CN101070491A (en) * | 2006-05-09 | 2007-11-14 | 山东科技大学 | Method for preparing normal, low and middle temperature desulfurizing agent active components |
| CN102091526A (en) * | 2009-12-09 | 2011-06-15 | 北京三聚环保新材料股份有限公司 | Normal-temperature desulfurizer and preparation method thereof |
| CN103184079A (en) * | 2011-12-29 | 2013-07-03 | 北京三聚环保新材料股份有限公司 | Zinc ferrite desulfurizer and preparation method thereof |
| US20130272943A1 (en) * | 2011-01-04 | 2013-10-17 | M-I L.L.C. | Agglomeration-Resistant Desulfurizing Product |
-
2013
- 2013-12-23 CN CN201310717738.5A patent/CN103691300B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04219136A (en) * | 1990-04-25 | 1992-08-10 | Nippon Steel Corp | Composition having air purifying power and production thereof |
| CN1114462C (en) * | 2000-09-11 | 2003-07-16 | 湖北省化学研究所 | Oxygen deficiency resistant and composite type metal hydated oxides fine desulfurizing agent and prepn. method therefor |
| CN101070491A (en) * | 2006-05-09 | 2007-11-14 | 山东科技大学 | Method for preparing normal, low and middle temperature desulfurizing agent active components |
| CN102091526A (en) * | 2009-12-09 | 2011-06-15 | 北京三聚环保新材料股份有限公司 | Normal-temperature desulfurizer and preparation method thereof |
| US20130272943A1 (en) * | 2011-01-04 | 2013-10-17 | M-I L.L.C. | Agglomeration-Resistant Desulfurizing Product |
| CN103184079A (en) * | 2011-12-29 | 2013-07-03 | 北京三聚环保新材料股份有限公司 | Zinc ferrite desulfurizer and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600903A (en) * | 2015-12-29 | 2016-05-25 | 北京三聚环保新材料股份有限公司 | High-efficiency spherical desulfurizing agent and preparation method and application thereof |
| CN105600903B (en) * | 2015-12-29 | 2018-12-18 | 北京三聚环保新材料股份有限公司 | A kind of high-effective spherical desulfurizing agent and the preparation method and application thereof |
| CN107082467A (en) * | 2017-03-20 | 2017-08-22 | 中国科学院合肥物质科学研究院 | FeOOH nanometer rods/Foam carbon composite material and preparation method and application |
| CN107082467B (en) * | 2017-03-20 | 2020-10-30 | 中国科学院合肥物质科学研究院 | Iron oxyhydroxide nanorod/foam carbon composite material and preparation method and application thereof |
| CN107497440A (en) * | 2017-08-17 | 2017-12-22 | 江苏天东新材料科技有限公司 | The preparation method and application of tempreture organic sulphur hydrolysis, absorption and the multi-functional desulfurizing agent of deoxidation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103691300B (en) | 2017-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103691299A (en) | Preparation method of high-sulfur-capacity normal-temperature composite desulfurizer | |
| CN104069796B (en) | A kind of sulfur method of the gas sweetening adsorbing composition and preparation method thereof with sulfurous gas | |
| WO2015101275A1 (en) | High-concentration carbonyl sulfide conversion-absorption type desulfurizer and carbon disulfide conversion-absorption type desulfurizer and preparation method thereof | |
| CN104667926B (en) | Low-temperature carbonyl sulfide hydrolysis catalyst and preparation method thereof | |
| EP2438986B1 (en) | Renewable and reusable desulfurizer and preparation method and regeneration method thereof | |
| CN106693632B (en) | Zinc oxide-based normal-temperature deep desulfurizing agent and preparation method and application thereof | |
| CN104548926B (en) | A kind of organic sulfur removal technique | |
| CN103183389A (en) | Preparation method for magnetic ferric oxide, application and catalyst with magnetic ferric oxide as active component | |
| US20110260103A1 (en) | Methods for preparing and regenerating materials containing amorphous iron oxide hydroxide and desulfurizer comprising the same | |
| CN111701411B (en) | Synthetic gas desulfurizing agent and preparation method and application thereof | |
| CN103691300A (en) | Preparation method of normal-temperature iron desulfurizer | |
| US8603215B2 (en) | Composition of amorphous iron oxide hydroxide, desulfurizer comprising the same, and methods for preparing and regenerating the desulfurizer | |
| CN112717931B (en) | Iron-based composite desulfurizer, preparation method thereof and application thereof in removing hydrogen sulfide in gas | |
| WO2016029730A1 (en) | Hydrogen sulfide purification material and preparation method thereof | |
| CN109248548A (en) | A kind of desulfurizing agent and its preparation method and application | |
| CN104096565A (en) | Carbonyl sulfide hydrolyst and preparation method thereof | |
| CN112569953B (en) | Desulfurization catalyst and preparation method thereof | |
| US4093561A (en) | Catalyst for the reduction of nitrogen oxides and method for the production thereof | |
| CA1125730A (en) | Catalyst for reducing nitrogen oxides and process for producing the same | |
| CN111068746B (en) | Multifunctional sulfur recovery catalyst and preparation method thereof | |
| CN103706227A (en) | Preparation method of normal temperature compound desulfurizer | |
| CN103691301A (en) | Preparation method of constant temperature desulfurizer with high sulfur capacity | |
| CN104588016B (en) | Preparation method for hydrogenation catalyst | |
| CN103896343B (en) | The preparation method of martial ethiops and obtained martial ethiops sweetening agent thereof | |
| CN112093824A (en) | Method for regulating and controlling crystal form of iron oxide, iron-based composite oxide prepared by method and application of iron-based composite 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 | ||
| GR01 | Patent grant | ||
| 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 9 floor Patentee before: BEIJING SANJU ENVIRONMENTAL PROTECTION & NEW MATERIALS Co.,Ltd. |
|
| CP03 | Change of name, title or address |