CN105771619A - Compound desulfurizer and preparation method thereof - Google Patents

Compound desulfurizer and preparation method thereof Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
parts
calcium
desulfurizing agent
fluorite
activated carbon
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.)
Pending
Application number
CN201610260289.XA
Other languages
Chinese (zh)
Inventor
张锐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610260289.XA priority Critical patent/CN105771619A/en
Publication of CN105771619A publication Critical patent/CN105771619A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • B01D53/508Sulfur 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

A kind of composite desulfurizing agent and preparation method thereof
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.
CN201610260289.XA 2016-04-25 2016-04-25 Compound desulfurizer and preparation method thereof Pending CN105771619A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610260289.XA CN105771619A (en) 2016-04-25 2016-04-25 Compound desulfurizer and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610260289.XA CN105771619A (en) 2016-04-25 2016-04-25 Compound desulfurizer and preparation method thereof

Publications (1)

Publication Number Publication Date
CN105771619A true CN105771619A (en) 2016-07-20

Family

ID=56398422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610260289.XA Pending CN105771619A (en) 2016-04-25 2016-04-25 Compound desulfurizer and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105771619A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Similar Documents

Publication Publication Date Title
CN103894047B (en) Flue gas pollutant controls integrated purifying recovery process
CA2952395A1 (en) Process and device for desulfurization-denitration of flue gas
WO2015085880A1 (en) Method for removing sox in gas by using ethylene glycol complex solution
CN103877839A (en) Flue gas pollutant control integrated purification process
CN104197343A (en) Oxygen-enriched combustion recycle flue gas catalytic desulfurization system and method
CN103585869A (en) Flue gas purifying method with recyclable alkali absorption liquid
CN105080327A (en) Method for desulfurizing and recovering NOx with alkali liquor
CN107754574A (en) Fume desulfurizing agent based on red mud and its preparation method and application
CN105771619A (en) Compound desulfurizer and preparation method thereof
CN103861426B (en) A kind of flue gas desulfurization and dedusting also reclaims the method for sodium sulfite
CN105879603A (en) High-quality desulfurizing agent and preparing method thereof
CN102068887A (en) Inhibitor addition-based desulfurizing method in iron ore sintering process
CN103566750B (en) A kind of fume desulphurization method
CN104785086A (en) Device for denitration, desulfurization and demercuration of smoke gas of boiler flue
CN1775682A (en) Method for preparing magnesium sulfite utilizing boiler flue gas
CN103007734A (en) Application of sugar-mill lime sludge in wet flue gas desulfurization
CN105833711A (en) Ecological environment-friendly desulfurizer and preparation method thereof
KR102349120B1 (en) Exhaust gas purifying agent and exhaust gas purifying method using the same
CN204006034U (en) A kind of oxygen-enriched combusting flue gas recycled desulphurizing system of catalytic
CN106994292A (en) A kind of desulfurizing agent and its application, and using the desulphurization system of the desulfurizing agent
CN103638808B (en) Utilize the method that carbonic anhydrase catalysis lime cream is enriched with sugar refinery carbon dioxide in flue gas
CN106215683A (en) A kind of sulfur method of burning in circulating fluid bed boiler flue gas
CN102320697A (en) Desulfuration process for chromate waste water
CN104689702A (en) High-temperature high-concentration sulfur dioxide tail gas desulfurization system and method
CN207445938U (en) A kind of desulfurization wastewater Zero discharging system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160720