CN105771619A - Compound desulfurizer and preparation method thereof - Google Patents
Compound desulfurizer and preparation method thereof Download PDFInfo
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- CN105771619A CN105771619A CN201610260289.XA CN201610260289A CN105771619A CN 105771619 A CN105771619 A CN 105771619A CN 201610260289 A CN201610260289 A CN 201610260289A CN 105771619 A CN105771619 A CN 105771619A
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- calcium
- desulfurizing agent
- fluorite
- activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
Abstract
The invention discloses a compound desulfurizer and a preparation method thereof. The compound desulfurizer is prepared from the following raw materials in parts by weight: 18 to 20 parts of zinc nitrate, 16 to 20 parts of activated carbon, 12 to 16 parts of calcium silicate, 16 to 18 parts of fluorite, 8 to 12 parts of tetrabutyl titanate, 12 to 18 parts of calcium aluminate, 10 to 18 parts of edetic acid, 12 to 16 parts of carboxyl sodium acetate, 10 to 18 parts of aluminum oxide, 10 to 16 parts of lead oxide, 12 to 18 parts of calcium phosphate, 8 to 10 parts of stannic oxide, 8 to 12 parts of zirconium dioxide, 10 to 12 parts of magnesium carbonate, and 12 to 16 parts of ferric hydroxide. The compound desulfurizer is high in desulfurization rate and efficiency, and does not cause secondary pollution.
Description
Technical field
The present invention relates to a kind of composite desulfurizing agent and preparation method thereof.
Background technology
Desulfurizing agent refers generally to the medicament of the free sulphur in elimination fuel, raw material or unclassified stores or sulphur compound;The control and process of pollutant refer mainly to remove the medicament used by waste gas sulphur oxide (including SO2 and SO3).Various alkali compoundss all can as desulfurizing agent.
Removing the desulfurizing agent of sulfur dioxide in stack gases, adopting maximum is cheap Calx, limestone and the alkaline solution prepared with calcium carbonate medicament.Desulfurizing agent can absorb most sulfur dioxide in flue gas and be fixed in waste fuel.Chemical plant, smeltery etc. process the tail gas containing sulfur dioxide frequently with the solution such as sodium carbonate, basic aluminum sulfate as desulfurizing agent, and can desorbing recycle.
There is the shortcoming that rate of sulphur expulsion is slow, desulfuration efficiency is low and produces secondary pollution in existing desulfurizing agent.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of rate of sulphur expulsion is fast, desulfuration efficiency is high and not composite desulfurizing agent producing secondary pollution and preparation method thereof.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of composite desulfurizing agent and preparation method thereof, is made up of following raw material: zinc nitrate, activated carbon, calcium silicates, fluorite, butyl titanate, calcium aluminate, ethylenediaminetetraacetic acid, carboxyl acetic acid sodium, aluminium sesquioxide, lead oxide, calcium phosphate, tin ash, zirconium dioxide, magnesium carbonate and hydrated ferric oxide.;Described raw material is by following parts by weight proportioning composition: zinc nitrate 18 20 parts, activated carbon 16 20 parts, calcium silicates 12 16 parts, 16 18 parts of fluorite, butyl titanate 8 12 parts, calcium aluminate 12 18 parts, ethylenediaminetetraacetic acid 10 18 parts, 12 16 parts of carboxyl acetic acid sodium, aluminium sesquioxide 10 18 parts, 10 16 parts of lead oxide, 12 18 parts of calcium phosphate, tin ash 8 10 parts, zirconium dioxide 8 12 parts, magnesium carbonate 10 12 parts and hydrated ferric oxide. 12 16 parts.
Further, described raw material is by following parts by weight proportioning composition: zinc nitrate 18 parts, activated carbon 20 parts, calcium silicates 16 parts, 18 parts of fluorite, butyl titanate 12 parts, calcium aluminate 18 parts, ethylenediaminetetraacetic acid 18 parts, 16 parts of carboxyl acetic acid sodium, aluminium sesquioxide 18 parts, 16 parts of lead oxide, 18 parts of calcium phosphate, tin ash 10 parts, zirconium dioxide 12 parts, magnesium carbonate 12 parts and hydrated ferric oxide. 16 parts.
Further, described raw material is by following parts by weight proportioning composition: zinc nitrate 19 parts, activated carbon 18 parts, calcium silicates 14 parts, 17 parts of fluorite, butyl titanate 10 parts, calcium aluminate 15 parts, ethylenediaminetetraacetic acid 14 parts, 14 parts of carboxyl acetic acid sodium, aluminium sesquioxide 14 parts, 13 parts of lead oxide, 15 parts of calcium phosphate, tin ash 9 parts, zirconium dioxide 10 parts, magnesium carbonate 11 parts and hydrated ferric oxide. 14 parts.
Further, described raw material is by following parts by weight proportioning composition: zinc nitrate 20 parts, activated carbon 16 parts, calcium silicates 12 parts, 16 parts of fluorite, butyl titanate 8 parts, calcium aluminate 12 parts, ethylenediaminetetraacetic acid 10 parts, 12 parts of carboxyl acetic acid sodium, aluminium sesquioxide 10 parts, 10 parts of lead oxide, 12 parts of calcium phosphate, tin ash 8 parts, zirconium dioxide 8 parts, magnesium carbonate 10 parts and hydrated ferric oxide. 12 parts.
The preparation method that another technical problem that the invention solves the problems that is to provide a kind of composite desulfurizing agent, includes following steps:
1) take zinc nitrate 18 20 parts, calcium silicates 12 16 parts, butyl titanate 8 12 parts, calcium aluminate 12 18 parts and ethylenediaminetetraacetic acid 10 18 parts, put in blender, add the water of 1.5 times, stir, standby;
2) take activated carbon 16 20 parts and 16 18 parts of fluorite, put in jet mill, make the granule that particle diameter is 150 200 orders, standby;
3) taking 12 16 parts of carboxyl acetic acid sodium, aluminium sesquioxide 10 18 parts, 10 16 parts of lead oxide, 12 18 parts of calcium phosphate and tin ash 8 10 parts, put in heater, temperature rises to 90 120 DEG C, continues 30 50min, standby;
4) take zirconium dioxide 8 12 parts, magnesium carbonate 10 12 parts and hydrated ferric oxide. 12 16 parts, put in blender, stir;
5) by step 1), step 2) and step 3) in prepare material add step 4 to) in, stir;
6) by step 5) in stir after material put in heater, temperature rises to 100 150 DEG C, continue 20 30min;
7) by step 6) in material after heating put in the drying machine of 80 90 DEG C, being dried to moisture is less than 8%, can be prepared by composite desulfurizing agent.
The invention have the benefit that this composite desulfurizing agent is under the effect of cooperating of each raw material, it has the advantage that rate of sulphur expulsion is fast, desulfuration efficiency is high and does not produce secondary pollution, compared with existing desulfurizing agent, performance has marked improvement.
Detailed description of the invention
Embodiment 1:
A kind of composite desulfurizing agent, described raw material is by following parts by weight proportioning composition: zinc nitrate 18 parts, activated carbon 20 parts, calcium silicates 16 parts, 18 parts of fluorite, butyl titanate 12 parts, calcium aluminate 18 parts, ethylenediaminetetraacetic acid 18 parts, 16 parts of carboxyl acetic acid sodium, aluminium sesquioxide 18 parts, 16 parts of lead oxide, 18 parts of calcium phosphate, tin ash 10 parts, zirconium dioxide 12 parts, magnesium carbonate 12 parts and hydrated ferric oxide. 16 parts.
The preparation method of a kind of composite desulfurizing agent, includes following steps:
1) take zinc nitrate 18 parts, calcium silicates 16 parts, butyl titanate 12 parts, calcium aluminate 18 parts and ethylenediaminetetraacetic acid 18 parts, put in blender, add the water of 1.5 times, stir, standby;
2) take activated carbon 20 parts and 18 parts of fluorite, put in jet mill, make the granule that particle diameter is 150 200 orders, standby;
3) taking 16 parts of carboxyl acetic acid sodium, aluminium sesquioxide 18 parts, 16 parts of lead oxide, 18 parts of calcium phosphate and tin ash 10 parts, put in heater, temperature rises to 90 120 DEG C, continues 30 50min, standby;
4) take zirconium dioxide 12 parts, magnesium carbonate 12 parts and hydrated ferric oxide. 16 parts, put in blender, stir;
5) by step 1), step 2) and step 3) in prepare material add step 4 to) in, stir;
6) by step 5) in stir after material put in heater, temperature rises to 100 150 DEG C, continue 20 30min;
7) by step 6) in material after heating put in the drying machine of 80 90 DEG C, being dried to moisture is less than 8%, can be prepared by composite desulfurizing agent.
Embodiment 2:
A kind of composite desulfurizing agent, described raw material is by following parts by weight proportioning composition: zinc nitrate 19 parts, activated carbon 18 parts, calcium silicates 14 parts, 17 parts of fluorite, butyl titanate 10 parts, calcium aluminate 15 parts, ethylenediaminetetraacetic acid 14 parts, 14 parts of carboxyl acetic acid sodium, aluminium sesquioxide 14 parts, 13 parts of lead oxide, 15 parts of calcium phosphate, tin ash 9 parts, zirconium dioxide 10 parts, magnesium carbonate 11 parts and hydrated ferric oxide. 14 parts.
The preparation method of a kind of composite desulfurizing agent, includes following steps:
1) take zinc nitrate 19 parts, calcium silicates 14 parts, butyl titanate 10 parts, calcium aluminate 15 parts and ethylenediaminetetraacetic acid 14 parts, put in blender, add the water of 1.5 times, stir, standby;
2) take activated carbon 18 parts and 17 parts of fluorite, put in jet mill, make the granule that particle diameter is 150 200 orders, standby;
3) taking 14 parts of carboxyl acetic acid sodium, aluminium sesquioxide 14 parts, 13 parts of lead oxide, 15 parts of calcium phosphate and tin ash 9 parts, put in heater, temperature rises to 90 120 DEG C, continues 30 50min, standby;
4) take zirconium dioxide 10 parts, magnesium carbonate 11 parts and hydrated ferric oxide. 14 parts, put in blender, stir;
5) by step 1), step 2) and step 3) in prepare material add step 4 to) in, stir;
6) by step 5) in stir after material put in heater, temperature rises to 100 150 DEG C, continue 20 30min;
7) by step 6) in material after heating put in the drying machine of 80 90 DEG C, being dried to moisture is less than 8%, can be prepared by composite desulfurizing agent.
Embodiment 3:
A kind of composite desulfurizing agent, described raw material is by following parts by weight proportioning composition: zinc nitrate 20 parts, activated carbon 16 parts, calcium silicates 12 parts, 16 parts of fluorite, butyl titanate 8 parts, calcium aluminate 12 parts, ethylenediaminetetraacetic acid 10 parts, 12 parts of carboxyl acetic acid sodium, aluminium sesquioxide 10 parts, 10 parts of lead oxide, 12 parts of calcium phosphate, tin ash 8 parts, zirconium dioxide 8 parts, magnesium carbonate 10 parts and hydrated ferric oxide. 12 parts.
The preparation method of a kind of composite desulfurizing agent, includes following steps:
1) take zinc nitrate 20 parts, calcium silicates 12 parts, butyl titanate 8 parts, calcium aluminate 12 parts and ethylenediaminetetraacetic acid 10 parts, put in blender, add the water of 1.5 times, stir, standby;
2) take activated carbon 16 parts and 16 parts of fluorite, put in jet mill, make the granule that particle diameter is 150 200 orders, standby;
3) taking 12 parts of carboxyl acetic acid sodium, aluminium sesquioxide 10 parts, 10 parts of lead oxide, 12 parts of calcium phosphate and tin ash 8 parts, put in heater, temperature rises to 90 120 DEG C, continues 30 50min, standby;
4) take zirconium dioxide 8 parts, magnesium carbonate 10 parts and hydrated ferric oxide. 12 parts, put in blender, stir;
5) by step 1), step 2) and step 3) in prepare material add step 4 to) in, stir;
6) by step 5) in stir after material put in heater, temperature rises to 100 150 DEG C, continue 20 30min;
7) by step 6) in material after heating put in the drying machine of 80 90 DEG C, being dried to moisture is less than 8%, can be prepared by composite desulfurizing agent.
Experimental example:
Experimental subject: select the composite desulfurizing agent of the present invention and desulfurizing agent two kinds common, be respectively divided into experimental group, matched group 1 and matched group 2.
Experimental technique: test three groups of desulfurizing agents and waste gas is carried out the effect of desulfurization.
Experimental result:
As can be seen here, the rate of sulphur expulsion of the composite desulfurizing agent of the present invention is fast and desulfuration efficiency is high, compared with common desulfurizing agent, performance has and is obviously improved.
The invention have the benefit that this composite desulfurizing agent is under the effect of cooperating of each raw material, it has the advantage that rate of sulphur expulsion is fast, desulfuration efficiency is high and does not produce secondary pollution, compared with existing desulfurizing agent, performance has marked improvement.
Typical case:
Wu has managed a factory, under the effort of Wu, the development of factory's early stage is very smooth, but Wu finds that the SO 2 in waste gas content of its plant emissions is serious later, then Wu employs common desulfurizing agent waste gas is processed, and effect is not high, also create secondary pollution, after Wu employs the composite desulfurizing agent of the present invention later, greatly reduce the content of SO 2 in waste gas, produce also without secondary pollution.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention be not limited thereto, any change expected without creative work or replacement, all should be encompassed in protection scope of the present invention.
Claims (5)
1. composite desulfurizing agent and preparation method thereof, it is characterised in that: it is made up of following raw material: zinc nitrate, activated carbon, calcium silicates, fluorite, butyl titanate, calcium aluminate, ethylenediaminetetraacetic acid, carboxyl acetic acid sodium, aluminium sesquioxide, lead oxide, calcium phosphate, tin ash, zirconium dioxide, magnesium carbonate and hydrated ferric oxide.;Described raw material is by following parts by weight proportioning composition: zinc nitrate 18 20 parts, activated carbon 16 20 parts, calcium silicates 12 16 parts, 16 18 parts of fluorite, butyl titanate 8 12 parts, calcium aluminate 12 18 parts, ethylenediaminetetraacetic acid 10 18 parts, 12 16 parts of carboxyl acetic acid sodium, aluminium sesquioxide 10 18 parts, 10 16 parts of lead oxide, 12 18 parts of calcium phosphate, tin ash 8 10 parts, zirconium dioxide 8 12 parts, magnesium carbonate 10 12 parts and hydrated ferric oxide. 12 16 parts.
2. composite desulfurizing agent as claimed in claim 2 and preparation method thereof, it is characterised in that: described raw material is by following parts by weight proportioning composition: zinc nitrate 18 parts, activated carbon 20 parts, calcium silicates 16 parts, 18 parts of fluorite, butyl titanate 12 parts, calcium aluminate 18 parts, ethylenediaminetetraacetic acid 18 parts, 16 parts of carboxyl acetic acid sodium, aluminium sesquioxide 18 parts, 16 parts of lead oxide, 18 parts of calcium phosphate, tin ash 10 parts, zirconium dioxide 12 parts, magnesium carbonate 12 parts and hydrated ferric oxide. 16 parts.
3. composite desulfurizing agent as claimed in claim 3 and preparation method thereof, it is characterised in that: described raw material is by following parts by weight proportioning composition: zinc nitrate 19 parts, activated carbon 18 parts, calcium silicates 14 parts, 17 parts of fluorite, butyl titanate 10 parts, calcium aluminate 15 parts, ethylenediaminetetraacetic acid 14 parts, 14 parts of carboxyl acetic acid sodium, aluminium sesquioxide 14 parts, 13 parts of lead oxide, 15 parts of calcium phosphate, tin ash 9 parts, zirconium dioxide 10 parts, magnesium carbonate 11 parts and hydrated ferric oxide. 14 parts.
4. composite desulfurizing agent as claimed in claim 4 and preparation method thereof, it is characterised in that: described raw material is by following parts by weight proportioning composition: zinc nitrate 20 parts, activated carbon 16 parts, calcium silicates 12 parts, 16 parts of fluorite, butyl titanate 8 parts, calcium aluminate 12 parts, ethylenediaminetetraacetic acid 10 parts, 12 parts of carboxyl acetic acid sodium, aluminium sesquioxide 10 parts, 10 parts of lead oxide, 12 parts of calcium phosphate, tin ash 8 parts, zirconium dioxide 8 parts, magnesium carbonate 10 parts and hydrated ferric oxide. 12 parts.
5. the preparation method of a composite desulfurizing agent, it is characterised in that: include following steps:
1) take zinc nitrate 18 20 parts, calcium silicates 12 16 parts, butyl titanate 8 12 parts, calcium aluminate 12 18 parts and ethylenediaminetetraacetic acid 10 18 parts, put in blender, add the water of 1.5 times, stir, standby;
2) take activated carbon 16 20 parts and 16 18 parts of fluorite, put in jet mill, make the granule that particle diameter is 150 200 orders, standby;
3) taking 12 16 parts of carboxyl acetic acid sodium, aluminium sesquioxide 10 18 parts, 10 16 parts of lead oxide, 12 18 parts of calcium phosphate and tin ash 8 10 parts, put in heater, temperature rises to 90 120 DEG C, continues 30 50min, standby;
4) take zirconium dioxide 8 12 parts, magnesium carbonate 10 12 parts and hydrated ferric oxide. 12 16 parts, put in blender, stir;
5) by step 1), step 2) and step 3) in prepare material add step 4 to) in, stir;
6) by step 5) in stir after material put in heater, temperature rises to 100 150 DEG C, continue 20 30min;
7) by step 6) in material after heating put in the drying machine of 80 90 DEG C, being dried to moisture is less than 8%, can be prepared by composite desulfurizing agent.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108607355A (en) * | 2018-04-18 | 2018-10-02 | 天津神侬环保科技有限公司 | A kind of environment protection desulphurization pulvis and preparation method thereof |
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CN103736366A (en) * | 2013-12-12 | 2014-04-23 | 芜湖中路实业有限责任公司 | Sintering flue gas desulfurizer and preparation method thereof |
CN103769041A (en) * | 2012-10-23 | 2014-05-07 | 中国石油化工股份有限公司 | Gas desulphurization adsorbent and preparation method and application thereof |
CN104673406A (en) * | 2015-02-02 | 2015-06-03 | 天津市浩宇助剂有限公司 | Desulfurizing agent |
CN104923155A (en) * | 2015-05-21 | 2015-09-23 | 安徽凤凰滤清器股份有限公司 | Desulfurizer adsorbent and preparation method thereof |
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2016
- 2016-04-25 CN CN201610260289.XA patent/CN105771619A/en active Pending
Patent Citations (7)
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US5114691A (en) * | 1990-01-18 | 1992-05-19 | Board Of Trustees Operating Michigan State University | Process using sorbents for the removal of SOx from flue gas |
CN103769041A (en) * | 2012-10-23 | 2014-05-07 | 中国石油化工股份有限公司 | Gas desulphurization adsorbent and preparation method and application thereof |
CN103343028A (en) * | 2013-07-16 | 2013-10-09 | 无锡市金盛助剂厂 | Desulfurization assistant |
CN103566895A (en) * | 2013-09-26 | 2014-02-12 | 蚌埠华纺滤材有限公司 | Modified activated carbon high-concentration desulfurizer and preparation method thereof |
CN103736366A (en) * | 2013-12-12 | 2014-04-23 | 芜湖中路实业有限责任公司 | Sintering flue gas desulfurizer and preparation method thereof |
CN104673406A (en) * | 2015-02-02 | 2015-06-03 | 天津市浩宇助剂有限公司 | Desulfurizing agent |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108607355A (en) * | 2018-04-18 | 2018-10-02 | 天津神侬环保科技有限公司 | A kind of environment protection desulphurization pulvis and preparation method thereof |
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Application publication date: 20160720 |