CN105833829A - Modified porous calcium carbonate adsorbent as well as preparation method and application thereof - Google Patents
Modified porous calcium carbonate adsorbent as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN105833829A CN105833829A CN201610243205.1A CN201610243205A CN105833829A CN 105833829 A CN105833829 A CN 105833829A CN 201610243205 A CN201610243205 A CN 201610243205A CN 105833829 A CN105833829 A CN 105833829A
- Authority
- CN
- China
- Prior art keywords
- calcium carbonate
- adsorbent
- porous calcium
- preparation
- modification type
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
- B01D2257/602—Mercury or mercury compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a modified porous calcium carbonate adsorbent as well as a preparation method and an application thereof, and belongs to the technical field of coal-fired flue gas purification. The modified porous calcium carbonate adsorbent is prepared by taking porous calcium carbonate prepared by taking SDS as a template as a matrix and taking bromine as a modifier to carry out impregnation and modifying on porous calcium carbonate, drying and grinding; the modified porous calcium carbonate adsorbent can be applied to deep purification of coal-fired flue gas. The adsorbent has a relatively great specific surface area, and can simultaneously adsorb most of gas and particulate matter, especially acidic gases such as SO2, SO3, condensable particulate matter and HgO. Saturated calcium carbonate obtained after adsorption can return to a limestone slurry preparation system as a new desulfurization adsorbent; adsorption products comprising SO3<2->, SO4<2->, and condensable particulate matter enter slurry as calcium sulfite or calcium sulfate, and finally enter gypsum, so that secondary pollution is not generated; and the preparation raw materials are low in cost, the process is simple, and industrialization is easy to realize.
Description
Technical field
The invention belongs to purifying coal-fired flue gas technical field, be specifically related to a kind of modification type porous calcium carbonate absorption
Agent and its preparation method and application.
Background technology
The situation is tense for the atmospheric pollution of current China, the pollutant of the energy resource structure discharge based on coal, causes very
Multizone haze takes place frequently and is on the rise.The mainstream technology of the most domestic purifying coal-fired flue gas be by low nitrogen burning,
SCR, high-effective dust-removing and wet desulphurization are sequentially connected in series, and form flue gas multiple pollutant and jointly control system.But should
The effect of system is single, it is impossible to condensable particulate matter (predominantly SO in flue gas3) and heavy metal Hg carry out
Process, and still have SO2、NOxRemain with dust.Although extensive unit has been mounted with that above-mentioned smoke gas treatment sets
Standby, but medium and small boiler flue gas polution control facility operation is in poor shape, uncontrollable discharge phenomenon serious, so far
It is not effectively controlled.
Meanwhile, " fossil-fuel power plant atmospheric pollutant emission standard " executed of " the tightest in history ", before the year two thousand twenty
All coal-burning power plants must realize minimum discharge, and wherein sulfur dioxide is less than 35mg/m3, nitrogen oxides do not surpasses
Cross 50mg/m3, flue dust is less than 5mg/m3.And do not count SO therein now3Discharge capacity be 40-200
mg/m3, the primary pollutant in coal-fired flue-gas will be become.Therefore, the condensable particulate matter in coal-fired flue-gas is (main
SO to be3) the gypsum rain problem that causes, and the pollution etc. of heavy metal Hg needs, and our solve.
Summary of the invention
It is an object of the invention to provide a kind of modification type porous calcium carbonate adsorbent and preparation method thereof and answer
With, the technical scheme taked is as follows:
A kind of modification type porous calcium carbonate adsorbent, described adsorbent is prepared many with SDS for template
Hole calcium carbonate is matrix, with bromide as dressing agent.
Described bromide is NH4Br or NaBr.
The preparation method of described modification type porous calcium carbonate adsorbent, specifically includes following steps:
(1), under magnetic agitation, after calcium chloride water and SDS aqueous solution quickly being mixed, PH is regulated extremely
6.5~11, obtain emulsus mixed liquor;
(2) continuously stirred emulsus mixed liquor, and add aqueous sodium carbonate, stand 4-8 hour, formed white
Color precipitates, and is centrifuged white precipitate, washs and obtain porous calcium carbonate;
(3) with bromide solution, porous calcium carbonate is carried out dipping to modify, after drying and grinding, obtain white powder shape
Modification type porous calcium carbonate adsorbent.
The concentration of described calcium chloride water is 0.1-0.4mol/L;Described calcium chloride water and SDS aqueous solution
Mol ratio be (4:1)-(1:1);Described aqueous sodium carbonate is (4:1) with the mol ratio of calcium chloride water
-(1:1)。
The described centrifugal rotating speed of step (2) is 2000-3000rpm, and the time is 2-3min;The tool of described washing
Body mode is: use deionized water and dehydrated alcohol respectively to wash three times.
Described in step (3), in bromide solution, the mass fraction of bromide is 1%-5%.
The temperature being dried described in step (3) is 55-85 DEG C, and the time is 10-12 hour.
The application in coal-fired flue-gas deep purifying of the described modification type porous calcium carbonate adsorbent.
Described modification type porous calcium carbonate adsorbent can adsorb the SO in coal-fired flue-gas3、SO2With metal Hg;
Wherein to SO3Adsorption efficiency more than 90%.
Limestone slurry liquid preparing system is returned after described modification type porous calcium carbonate adsorbent is saturated,
Use as new desulfurization absorbent, and adsorbed product SO3 2-、SO4 2-, condensable particulate matter then becomes
Calcium sulfite or calcium sulfate enter serosity, finally enter Gypsum Fibrosum.
Modification type porous calcium carbonate adsorbent described in 1g is after absorption starts 5min, to SO3Absorption
Rate is more than 70%, to Hg0Adsorption efficiency be not less than 95%.
The invention have the benefit that
(1) specific surface area of described modification type porous calcium carbonate adsorbent is relatively big, and adsorption effect is notable, right
SO in coal-fired flue-gas3Adsorption efficiency can reach more than 90%, and can effectively remove pole readily soluble in flue gas
Property molecule is (such as SO2) and the multi-pollutant such as heavy metal Hg.
(2) can return to lime stone slurry after modification type porous calcium carbonate adsorbent described in is saturated prepare
System, uses as new desulfurization absorbent, and adsorbed product SO2-、SO3-, condensable particulate matter then
Become calcium sulfite or calcium sulfate enters serosity, finally enter Gypsum Fibrosum, secondary pollution will not be produced.
(3) the modification type porous calcium carbonate adsorbent of the present invention is cheap for manufacturing cost, and preparation technology is simple,
Absorption efficiency is high, easily reclaims.Without considering the problem of adsorbent reactivation, greatly reduce operating cost,
Applicable China coal fired power plant, large chemical complex, metallurgy industry realize minimum discharge and medium and small boiler flue gas
The transformation of pollution control facility, has promotional value.
Accompanying drawing explanation
Fig. 1 is the modification type porous calcium carbonate adsorbent SO of embodiment 1 preparation3Breakthrough curve figure.
Fig. 2 is modification type porous calcium carbonate adsorbent SO prepared by embodiment 2-63Breakthrough curve figure.
Fig. 3 is modification type porous calcium carbonate adsorbent Hg prepared by embodiment 7-90Breakthrough curve figure.
Detailed description of the invention
The present invention will be further described with embodiment below in conjunction with the accompanying drawings, but protection scope of the present invention is not
It is limited to this.
The method of testing of the adsorption efficiency of modification type porous calcium carbonate adsorbent is as follows: take a certain amount of described absorption
Agent adds to fixed bed reactors, is passed through a certain amount of SO3With Hg0The mixed gas of steam is reacted,
Carry out absorbing and arranging tail gas collection system by the gas sodium hydroxide solution of fixed bed reactors.Reaction
Condition is: the flow velocity of mixed gas is 0.2L/min, and reaction temperature is 65 DEG C.Measure at interval of a period of time
The concentration of reactor exit sulfate radical and mercury ion content, be passed through SO in gas3Amount and sodium hydroxide
In solution, the difference of the content of sulfate radical is in fixed bed reactors the SO absorbed3Amount, thus obtains a timing
Between SO3Absorption efficiency, in like manner can obtain Hg0Absorption efficiency.
Embodiment 1
Under magnetic agitation, by the 0.15mol/L CaCl of same volume2Aqueous solution and 0.1moL/L SDS water
Solution regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 6 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is that the NaBr solution of 1% carries out dipping modification, in 60 DEG C of baking ovens to porous calcium carbonate
It is dried, after grinding, obtains the modification type porous calcium carbonate adsorbent of white powder shape.
Being joined by the adsorbent obtained in 5 parallel fixed bed reactors, the consumption of adsorbent is respectively
0.4g, 0.6g, 0.8g, 1.0g, 1.2g, compare its adsorption effect under identical reaction conditions.Use and inhale
Attached efficiency and adsorbance characterize adsorbent SO3Ability, result of the test breakthrough curve represents.Bent
The vertical coordinate of line is SO in the gas of exit3Concentration (c) and porch SO3Initial concentration (c0Between)
Ratio (c/c0× 100%), adsorption efficiency is: (1-c/c0) × 100%, breakthrough curve illustrates adsorbed component
Concentration change, absorption result is as shown in Figure 1.
From fig. 1, it can be seen that adsorbent of the present invention is to SO3There is significant adsorption efficiency.When described absorption
Agent consumption when 0.4g increases to 1.2g, 5min after absorption starts, fixed bed reactors exit SO3
Concentration and initial SO3The ratio of concentration is reduced to 0.2% from 57%, i.e. SO3Adsorption efficiency from 53% improve
To 98.8%.
Embodiment 2
Under magnetic agitation, by the 0.15mol/L CaCl of same volume2Aqueous solution and 0.1moL/L SDS water
Solution regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 8 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is the NH of 1%4Br solution carries out dipping and modifies porous calcium carbonate, 60 DEG C of baking ovens
In be dried, obtain the modification type porous calcium carbonate adsorbent of white powder shape after grinding.
The adsorbent prepared by 1.0g joins in fixed bed reactors, described adsorbent SO3Penetrate
Curve is as shown in Figure 2.It can be seen that after absorption starts 5min, this adsorbent is to SO3Absorption effect
Rate is 94.5%.
Embodiment 3
Under magnetic agitation, by the 0.1mol/L CaCl of same volume2Aqueous solution and 0.1moL/L SDS are water-soluble
Liquid regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 8 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is the NH of 1%4Br solution carries out dipping and modifies porous calcium carbonate, 60 DEG C of baking ovens
In be dried, obtain the modification type porous calcium carbonate adsorbent of white powder shape after grinding.
The adsorbent prepared by 1.0g joins in fixed bed reactors, described adsorbent SO3Penetrate
Curve is as shown in Figure 2.It can be seen that after absorption starts 5min, this adsorbent is to SO3Absorption effect
Rate is 90%.
Embodiment 4
Under magnetic agitation, by the 0.2mol/L CaCl of same volume2Aqueous solution and 0.1moL/L SDS are water-soluble
Liquid regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 8 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is the NH of 1%4Br solution carries out dipping and modifies porous calcium carbonate, 60 DEG C of baking ovens
In be dried, obtain the modification type porous calcium carbonate adsorbent of white powder shape after grinding.
The adsorbent prepared by 1.0g joins in fixed bed reactors, described adsorbent SO3Penetrate
Curve is as shown in Figure 2.It can be seen that after absorption starts 5min, this adsorbent is to SO3Absorption effect
Rate is 84%.
Embodiment 5
With vigorous stirring, by the 0.2mol/L CaCl of same volume2Aqueous solution and 0.05moL/L SDS
Aqueous solution regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 8 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is the NH of 1%4Br solution carries out dipping and modifies porous calcium carbonate, 60 DEG C of baking ovens
In be dried, obtain the modification type porous calcium carbonate adsorbent of white powder shape after grinding.
The adsorbent prepared by 1.0g joins in fixed bed reactors, described adsorbent SO3Penetrate
Curve is as shown in Figure 2.It can be seen that after absorption starts 5min, this adsorbent is to SO3Absorption effect
Rate is 76%.
Embodiment 6
Under magnetic agitation, by the 0.3mol/L CaCl of same volume2Aqueous solution and 0.1moL/L SDS are water-soluble
Liquid regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 8 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is the NH of 1%4Br solution carries out dipping and modifies porous calcium carbonate, 60 DEG C of baking ovens
In be dried, obtain the modification type porous calcium carbonate adsorbent of white powder shape after grinding.
The adsorbent prepared by 1.0g joins in fixed bed reactors, described adsorbent SO3Penetrate
Curve is as shown in Figure 2.It can be seen that after absorption starts 5min, this adsorbent is to SO3Absorption effect
Rate is 71%.
Embodiment 7
Under magnetic agitation, by the 0.15mol/L CaCl of same volume2Aqueous solution and 0.1moL/L SDS water
Solution regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 4 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is the NH of 1%4Br solution carries out dipping and modifies porous calcium carbonate, 60 DEG C of baking ovens
In be dried, obtain the modification type porous calcium carbonate adsorbent of white powder shape after grinding.
The adsorbent prepared by 1.0g joins in fixed bed reactors, described adsorbent Hg0Penetrate
Curve is as shown in Figure 3.The vertical coordinate of curve is Hg in the gas of exit0Concentration (c) and porch Hg0Just
Beginning concentration (c0Ratio (c/c between)0× 100%), adsorption efficiency is: (1-c/c0) × 100%.Can from figure
Knowing, 5min after absorption starts, this adsorbent is to Hg0Adsorption efficiency be 99.3%.
Embodiment 8
Under magnetic agitation, by the 0.15mol/L CaCl of same volume2Aqueous solution and 0.1moL/L SDS water
Solution regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 4 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is the NH of 3%4Br solution carries out dipping and modifies porous calcium carbonate, 60 DEG C of baking ovens
In be dried, obtain the modification type porous calcium carbonate adsorbent of white powder shape after grinding.
The adsorbent prepared by 1.0g joins in fixed bed reactors, described adsorbent Hg0Penetrate
Curve is as shown in Figure 3.It can be seen that after absorption starts 5min, this adsorbent is to Hg0Absorption effect
Rate is 98%.
Embodiment 9
Under magnetic agitation, by the 0.15mol/L CaCl of same volume2Aqueous solution and 0.1moL/L SDS water
Solution regulates PH to 9 after quickly mixing, and obtains emulsus mixed liquor;
Continuously stirred emulsus mixed liquor, adds and mixed solution isopyknic 0.2mol/L Na2CO3Water-soluble
Liquid, stands 4 hours, forms white precipitate;Centrifugal collection white precipitate, and with deionized water with anhydrous
Ethanol is washed three times respectively, obtains porous calcium carbonate;
Using mass fraction is the NH of 5%4Br solution carries out dipping and modifies porous calcium carbonate, 60 DEG C of baking ovens
In be dried, obtain the modification type porous calcium carbonate adsorbent of white powder shape after grinding.
The adsorbent prepared by 1.0g joins in fixed bed reactors, described adsorbent Hg0Breakthrough curve
As shown in Figure 3.It can be seen that after absorption starts 5min, this adsorbent is to Hg0Adsorption efficiency be
95%.
Claims (10)
1. a modification type porous calcium carbonate adsorbent, it is characterised in that described adsorbent is with SDS
The porous calcium carbonate prepared for template is matrix, with bromide as dressing agent.
A kind of modified porous calcium carbonate adsorbent the most according to claim 1, it is characterised in that
Described bromide is NH4Br or NaBr.
3. the preparation method of modification type porous calcium carbonate adsorbent described in any one of claim 1-2, it is special
Levy and be, specifically include following steps:
(1), under magnetic agitation, after calcium chloride water and SDS aqueous solution quickly being mixed, PH is regulated extremely
6.5~11, obtain emulsus mixed liquor;
(2) continuously stirred emulsus mixed liquor, and add aqueous sodium carbonate, stand 4-8 hour, formed white
Color precipitates, and is centrifuged white precipitate, washs and obtain porous calcium carbonate;
(3) with bromide solution, porous calcium carbonate being carried out dipping to modify, dried grinding obtains white powder shape
Modification type porous calcium carbonate adsorbent.
Preparation method the most according to claim 3, it is characterised in that described calcium chloride water dense
Degree is 0.1-0.4mol/L;Described calcium chloride water is (4:1)-(1:1) with the mol ratio of SDS aqueous solution;
Described aqueous sodium carbonate is (4:1)-(1:1) with the mol ratio of calcium chloride water.
Preparation method the most according to claim 3, it is characterised in that step (2) is described centrifugal
Rotating speed is 2000-3000rpm, and the time is 2-3min;The concrete mode of described washing is: use deionized water
Respectively wash with dehydrated alcohol three times.
Preparation method the most according to claim 3, it is characterised in that step (3) described bromide is molten
In liquid, the mass fraction of bromide is 1%-5%.
Preparation method the most according to claim 3, it is characterised in that be dried described in step (3)
Temperature be 55-85 DEG C, the time is 10-12 hour.
8. described in any one of claim 1-2, modification type porous calcium carbonate adsorbent is clean in the coal-fired flue-gas degree of depth
Application in change.
Application the most according to claim 8, it is characterised in that described modification type porous calcium carbonate adsorbs
Agent can adsorb the SO in coal-fired flue-gas3、SO2With metal Hg;Wherein to SO3Adsorption efficiency 90%
Above.
Application the most according to claim 8, it is characterised in that described modification type porous calcium carbonate is inhaled
Return limestone slurry liquid preparing system after attached dose of absorption is saturated, use as new desulfurization absorbent, and inhale
Accessory substance SO3 2-、SO4 2-, condensable particulate matter then becomes calcium sulfite or calcium sulfate and enters serosity,
Rear entrance Gypsum Fibrosum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610243205.1A CN105833829B (en) | 2016-04-19 | 2016-04-19 | A kind of modification type porous calcium carbonate adsorbent and its preparation method and application |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610243205.1A CN105833829B (en) | 2016-04-19 | 2016-04-19 | A kind of modification type porous calcium carbonate adsorbent and its preparation method and application |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105833829A true CN105833829A (en) | 2016-08-10 |
CN105833829B CN105833829B (en) | 2018-09-11 |
Family
ID=56590152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610243205.1A Active CN105833829B (en) | 2016-04-19 | 2016-04-19 | A kind of modification type porous calcium carbonate adsorbent and its preparation method and application |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105833829B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110508261A (en) * | 2018-10-31 | 2019-11-29 | 西安电子科技大学 | Adsorb the calcium base Preparation method of magnesium hydroxide of heavy metal copper |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007191670A (en) * | 2006-01-20 | 2007-08-02 | Institute Of Strategy For Sustainable Solutions Co Ltd | System for producing alkaline soil-improving material, combined with flue-gas desulfurization |
CN101985099A (en) * | 2010-11-22 | 2011-03-16 | 东南大学 | Flue gas demercuration adsorbent and preparation method thereof |
CN103372418A (en) * | 2012-04-28 | 2013-10-30 | 东南大学 | Modified activated carbon demercuration adsorbent and preparation method thereof |
-
2016
- 2016-04-19 CN CN201610243205.1A patent/CN105833829B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007191670A (en) * | 2006-01-20 | 2007-08-02 | Institute Of Strategy For Sustainable Solutions Co Ltd | System for producing alkaline soil-improving material, combined with flue-gas desulfurization |
CN101985099A (en) * | 2010-11-22 | 2011-03-16 | 东南大学 | Flue gas demercuration adsorbent and preparation method thereof |
CN103372418A (en) * | 2012-04-28 | 2013-10-30 | 东南大学 | Modified activated carbon demercuration adsorbent and preparation method thereof |
Non-Patent Citations (2)
Title |
---|
李亮等: "碳酸钙纳米结构多孔空心微球的制备及其药物缓释性能研究", 《无机材料学报》 * |
陈朋: "钙基吸收剂脱除燃煤烟气中SO2的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110508261A (en) * | 2018-10-31 | 2019-11-29 | 西安电子科技大学 | Adsorb the calcium base Preparation method of magnesium hydroxide of heavy metal copper |
CN110508261B (en) * | 2018-10-31 | 2021-09-28 | 西安电子科技大学 | Preparation method of calcium-based magnesium hydroxide for adsorbing heavy metal copper |
Also Published As
Publication number | Publication date |
---|---|
CN105833829B (en) | 2018-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103239985B (en) | Efficient fuel coal flue gas desulfurizing and hydrargyrum-removing method and device thereof | |
CN107715845B (en) | Flue gas desulfurization and denitrification adsorbent and preparation and use methods thereof | |
CN102335589A (en) | Adsorbent and preparation method and use thereof | |
CN103877839A (en) | Flue gas pollutant control integrated purification process | |
CN102225303B (en) | Combined apparatus and method for dedusting, desulphurization, denitration, demercuration and smoke extraction of coal-fired flue gas | |
CN101279185A (en) | Gas phase oxidation-liquid phase reduction method for absorbing and removing nitrous oxides in exhaust air | |
CN102091517A (en) | Integrated absorption solution for simultaneous desulfuration, denitration and mercury removal and preparation method and application thereof | |
CN103894047A (en) | Flue gas pollutant control integrated purifying and recycling process | |
CN110479094A (en) | A kind of desulphurization catalyst and the flue gas desulfurization processing system based on desulphurization catalyst | |
CN103170228A (en) | Mixed solution for flue gas denitrification and application method of mixed solution | |
CN107551799A (en) | A kind of method of dry-process cement rotary kiln flue gas desulfurization and denitrification integration | |
CN202876647U (en) | Wet-process desulfurizing and denitrifying device for coal-fired boiler and kiln smoke | |
CN104128188A (en) | Denitration catalyst used in waste incineration power plant and preparation method thereof | |
CN104785196A (en) | Method for preparing modified mesoporous alumina adsorbent for desulfurization and denitration | |
CN107601570A (en) | A kind of renewable mercury absorbent recycled and its preparation and renovation process | |
CN101185843A (en) | Method for producing compound fertilizer by using humates simultaneously desulfurizing and denitrating | |
CN104874344A (en) | Preparation method of flue gas adsorbent | |
CN105833829A (en) | Modified porous calcium carbonate adsorbent as well as preparation method and application thereof | |
CN203108371U (en) | Special device for flue gas dust removal desulfurization and denitrification process | |
CN202700337U (en) | Sintering flue gas purification device | |
CN106824064A (en) | The method that bivalve layer ZSM 5 molecular sieve adsorptions remove sulfur dioxide in flue gas | |
CN104162403B (en) | A kind of mixed acid modified calcium-based adsorbent and its preparation method and application | |
CN115501748B (en) | Denitration agent and preparation method thereof | |
CN203829899U (en) | Smoke desulfurization denitration and demercuration device | |
Zhao et al. | Simultaneous removal of SO2 and NO from flue gas using “oxygen-enriched” highly reactive absorbent |
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 |