CN108439399A - A method of preparing the activated carbon of mesoporous prosperity using coal - Google Patents
A method of preparing the activated carbon of mesoporous prosperity using coal Download PDFInfo
- Publication number
- CN108439399A CN108439399A CN201710082798.2A CN201710082798A CN108439399A CN 108439399 A CN108439399 A CN 108439399A CN 201710082798 A CN201710082798 A CN 201710082798A CN 108439399 A CN108439399 A CN 108439399A
- Authority
- CN
- China
- Prior art keywords
- coal
- activated carbon
- nitrate
- carried out
- carbonized material
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
- C01P2006/17—Pore diameter distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
Abstract
The invention discloses a kind of methods for the activated carbon preparing mesoporous prosperity using coal, including：Coal blending is carried out as raw material and crush to obtain feed coal using weakly caking coal and bottle coal；It by the feed coal compound stalk forming, is granulated, obtains coal particle；Oxidation processes, charing process are carried out to the coal particle, obtain carbonized material；The carbonized material is impregnated using nitrate solution, activation process is carried out after obtained dipping carbonized material is dried, activated carbon is made.The present invention prepares activated carbon using a certain amount of weakly caking coal and bottle coal coal blending, the property of above-mentioned raw materials and mutual mating reaction are combined well, compared with traditional coal base agglomerated activated carbon, under the action of impregnating nitrate, the mesoporous that activated carbon product can effectively be promoted solves the problems, such as that the mesoporous of generally existing is relatively low when all using coal as raw material in the production of traditional coal base agglomerated activated carbon.
Description
Technical field
The invention belongs to active carbon from coal preparation field, more particularly to a kind of activated carbon preparing mesoporous prosperity using coal
Method.
Background technology
Since activated carbon has highly developed pore structure and great specific surface area, application range is from for food
Decoloration with medicine and taste removal, breathing mask develop to net for solvent refining and recycling, water depth processing, flue gas on a large scale
Change, blood purification etc. propose new, higher requirement to the absorption property of activated carbon.
Activated carbon divides according to form, including pressed active carbon and powdered activated carbon, wherein powdered activated carbon compared at
Type activated carbon has larger adsorptivity (iodine number and/or methylene blue number), but due to its powder form, limits using neck
Domain.
Coal resources in China is abundant, and yield is big, from the horse's mouth, and the yield of coal base agglomerated activated carbon (pressed active carbon) is year by year
Increase, however, the usual micropore of coal base agglomerated activated carbon of common process production is flourishing, is usually used in adsorbing some small molecules and liquid
Body, with the fast development of global economy, Components of Organic Pollutants is more changeable and complicated in raw water, and belongs to big point
Son, increasingly severe to the harm of people, there is an urgent need to the activated carbons of mesoporous prosperity to be handled.It therefore, if can be all with coal
The coal base agglomerated activated carbon for the mesoporous prosperity for being suitable for water process is prepared for raw material, it is significant.CN105217625A is disclosed
One kind, for main coal, is carried out coal blending with anthracite and/lignite and prepares coal base under the briquetting pressure of about 200Mpa with weakly caking coal
The method of agglomerated activated carbon, this method all prepares activated carbon using coal as raw material, however the suction of its activated carbon macromolecular substances
Attached performance is poor.
The method that tradition prepares mesopore activated carbon mainly has masterplate method, interface activation method etc., the commonly required original of these methods
Material is expensive, and is unfavorable for mass producing.CN1121978C discloses a kind of preparation method of the activated carbon of mesoporous prosperity, passes through
Iron, cobalt, the nitrate of nickel, sulfate or hydrochloride are added in carbonaceous gel, through carbonizing, activating system after then dry, crushing
Standby mesopore activated carbon, cost of material is high and is unsuitable for mass producing.
It, can also be by increasing burn tinctuer (raw material of wood-charcoal in activation process in activation in addition, in order to expand the aperture of activated carbon
Expect the percentage of Mass lost) reach, but also cause the mechanical strength of activated carbon to be deteriorated simultaneously.CN1152546A describes one
The method that kind prepares the activated carbon of mesoporous prosperity using coal as raw material is broken after mixing anthracite, rich coal and sulfonated coal in proportion
Broken, milling, the coal dust of milled is uniformly mixed with high temperature coal-tar and pulp liquor, compressed molding, charing and activation procedure system
Obtain finished product.This method additionally uses binder due to needing, and not only increases cost, and manufactured moulded coal dry or
Heated baking reduces production efficiency；Additionally due to the binders such as common coal tar pitch, coal tar can melt and wave after the heating
Hair so that the intensity of final products is not also high, and in Activated Carbon Production, and the residue of coal tar pitch etc. can also block activated carbon
Hole, be unfavorable for improve activated carbon quality.
Invention content
The purpose of the present invention is to provide a kind of methods for the activated carbon preparing mesoporous prosperity using coal, to solve existing skill
The relatively low problem of the mesoporous of the coal base agglomerated activated carbon prepared using coal as raw material in art.
To achieve the above object, the present invention uses following technical scheme：
A method of the activated carbon being prepared mesoporous prosperity using coal is included the following steps：
A, coal blending is carried out as raw material using weakly caking coal and bottle coal and crushed to obtain feed coal, wherein with the feed coal
The dosage of total weight, the weakly caking coal is 50wt%-60wt%, and the dosage of bottle coal is 40wt%-50wt%；
B, by the feed coal compound stalk forming, granulation, coal particle is obtained；
C, oxidation processes, charing process are carried out to the coal particle, obtains carbonized material；
D, the carbonized material is impregnated using nitrate solution, activation process is carried out after obtained dipping carbonized material is dried,
Activated carbon is made.
In the preparation process in accordance with the present invention, it is that raw material carries out coal blending and crushing is to obtain that step a, which is using weakly caking coal and bottle coal,
To feed coal, specific coal blending and crushing process are known in the art, and a certain amount of weakly caking coal can be made to be uniformly mixed with bottle coal
And it is crushed to smaller particle size, such as cross 160 mesh, 180 mesh or 200 mesh sieve (Taylor standard sieve).The study found that when using
Above-mentioned raw materials and when with aforementioned proportion coal blending, are conducive to the mesoporous for promoting last obtained agglomerated activated carbon, it is preferable that institute
The dosage for stating weakly caking coal in feed coal is 52wt%-58wt%, such as 55wt%, and the dosage of bottle coal is 42wt%-48wt%, than
Such as 45wt%.In the present invention, if not otherwise indicated, the content is mass content.
In the present invention, the weakly caking coal makes as the basic material for realizing activated carbon basic performance with bottle coal cooperation
Used time, the introducing of the weakly caking coal are conducive to the generation of activated carbon product hole, are convenient for follow-up reaming, to promote activated carbon production
The mesoporous of product.Preferably, the volatile matter of the weakly caking coal is not less than 35%, such as 37% or 40%, and light transmittance is not less than 50,
Such as 55 or 60, vitrinite's content is not less than 50%, such as 55,60 or 65, to further increase the mesoporous performance of activated carbon；Example
Such as, the weakly caking coal can preferably be selected from Hami Poly coal.
In the present invention, addition bottle coal can not only utilize its caking property in process, between promotion pulverized coal particle
Caking ability, meanwhile, with the present invention weakly caking coal be used cooperatively when, the introducing of the bottle coal additionally aid prevent due to charing
Hypersystole and lead to the formation for being unfavorable for Initial Crack and influence the progress of subsequent activation reaming.Preferably, the bottle coal
Caking index is not less than 80, and for example, 85,90 or 95 etc., cuticle thickness are not less than 25, for example, 27 or 30 etc., to protect
The mesoporous performance for promoting activated carbon product is also helped while holding adhesion strength certain between pulverized coal particle；For example, described
Bottle coal can be selected from Qitai Red Hill low-lying area coal.
It should be noted that if above-mentioned weakly caking coal and/or gas pit ash are exceeded so that the ash of final activated carbon product
When dividing undesirable, those skilled in the art are readily apparent that before coal blending to above-mentioned weakly caking coal and/or the progress of gas pit ash
Control, such as so that the smokeless ash content is less than 3wt% by processing such as washing delimings, certainly specific controlling extent is with final
It is, for example, less than 10wt% subject to the ash content of activated carbon product can meet the requirements.This point be it is known in the art, here no longer
It repeats.
In the present invention, step b is to carry out compound stalk forming to above-mentioned raw materials coal, be granulated, to obtain coal particle.In coal base pressure
In the preparation of block activated carbon, to the conventional process that coal dust be molded and the broken processing being granulated is this field, such as
Pulverized coal forming is carried out using two pairs of rollers briquetting forming machine, is crushed for example, by using crusher, then screening obtains certain grain size model
The coal particle enclosed, detailed process are known in the art, and in one embodiment, the granulation includes broken and sieve
Point, to obtain coal particle of the grain size between 1mm-10mm, more preferable 3mm-8mm.
In the present invention, step c is to carry out oxidation processes, charing process to the coal particle, obtains carbonized material；To being granulated
Gained coal particle carries out oxidation processes, charing process as the common processing step in process for preparing active carbon, is art technology
Known to personnel.In the present invention, the condition of the oxidation processes can be：At 200 DEG C~250 DEG C, such as 220-250 DEG C
Under, oxidation processes are carried out 1.5~4 hours to material using air as oxidant, such as 2 or 3 hours, so that the oxidation control of material
System makes part oxygen be incorporated into coal in lighter degree, accelerates priming reaction rate.
The condition of the charing process can be：300~550 DEG C of temperature, Carbonization Atmospheres oxygen content are not more than 5vol%, charcoal
Change 1.5~4 hours processing times, after charing, the charcoal atom group credit union in carbon compound forms the carbon structure in some cracks
Body has certain adsorption capacity, these cracks will form more flourishing microcellular structure in activation procedure.
In the present invention, step d is to impregnate the carbonized material using nitrate solution, dries, will obtain after separation of solid and liquid
Dipping carbonized material carry out activation process, be made activated carbon.In dipping process, nitrate solution can well into/ooze
In the crack and/or the microcellular structure that enter carbon structure, effect is that solid phase mixing is difficult to realize, so as to follow-up fully living
Change.Preferably, a concentration of 5wt%-20wt% of the nitrate solution, for example 10wt% or 15wt%, dip time be
0.5-3h, such as 1-2h or 1.5h.Carbonized material after dipping is through being separated by solid-liquid separation, wherein remaining nitrate solution can also soak
Stain next group carbonized material, utilization ratio are high.Carbonized material drying after separation, until the water content of carbonized material is not more than 8wt%, example
Such as 3wt% or 5wt% (can be used for activation process), dipping carbonized material is obtained.In the present invention, dipping nitrate can be uniform
Be attached on the inner wall of crack or micropore, it is certainly very few to be also unfavorable for fully activating there is no need to excess.Preferably, it dries
In dipping carbonized material afterwards, the content 0.5~2% of nitrate, further preferably 0.8~1.5%, such as 1% or 1.2%；
In a preferred embodiment of the invention, the nitrate is one kind or more in sodium nitrate, potassium nitrate, calcium nitrate and magnesium nitrate
Kind.
It is the common processing step in process for preparing active carbon to carry out activation process to carbonized material, is those skilled in the art
It is known.In the present invention, the condition of the activation process can be：Using vapor as activated media, in 850 DEG C~950
Priming reaction is carried out at DEG C, the reaction time is 3~6 hours, and activated media dosage can be 3-3.5 times of carbonized material weight, example
Such as 3.2 times.
Compared with prior art, preparation method of the invention has the following advantages：
1, the present invention prepares activated carbon using a certain amount of weakly caking coal and bottle coal coal blending, combines above-mentioned raw materials well
Property and mutual mating reaction, compared with traditional coal base agglomerated activated carbon, in nitrate compound as activation
Under the action of catalyst, the mesoporous of activated carbon product can be effectively promoted, is solved in the production of traditional coal base agglomerated activated carbon
Relatively low problems of the mesoporous of generally existing when all using coal as raw material；Coal base briquetting activity produced by the invention
Charcoal can make mesoporous 65% or more simultaneously when intensity is more than 96；
2, the present invention is matched by carbonized material dipping and introduces nitrate in material, achieves good activating catalytic effect
Fruit in particular improves the mesoporous of Product Activity charcoal；Meanwhile the present invention is due to without using strong basicity or highly acid compound
As activated catalyst, and due to the cooperation with feed coal, nitrate dosage is less, is good for the environment.
3, the feed coal molding in the present invention need not use any adhesive, not only reduce cost, while also avoiding
Follow-up drying and drying course, improving production efficiency, and be also beneficial to improve activated carbon quality.
4, different from it is traditional it is direct nitrate is added in feed coal, in the method for the invention, not in feed coal
In directly add nitrate, but introduce nitrate into carbonized material using dipping, not only contribute to original hole in carbonized material
Continue to grow as mesoporous, and be conducive to keep activated carbon intensity.
Specific implementation mode
The present invention is described in detail with reference to embodiments, but the present invention is not limited to this.
The characterizing method of the relevant parameter of activated carbon is described as follows：
Intensity-is measured according to GB/T7072.3-2008.
Using low temperature nitrogen determination of adsorption method mesopore rate of activated carbon, specially：Measure the low of activated carbon under normal pressure first
Then mesoporous is calculated according to Kai Erwen (kelvin) formula in warm nitrogen adsorption curve, be specifically calculated as it is known in the art that
Which is not described herein again.
Remaining parameter is all made of national standard or this field conventional characterization mode is characterized.
In following embodiment/comparative example, chemical reagent used is that analysis is pure；
Coal used is：
A coals are Hami Poly coal, belong to weakly caking coal, come from Hami Poly coal mine, after measured, volatile matter is about
37.5%, light transmittance is about 55, vitrinite 63%；
B coals are Qitai Red Hill low-lying area coal, belong to bottle coal, come from Qitai Red Hill low-lying area coal mine, caking index is basic after measured
Between 85-90, cuticle thickness is about 32 or so.
Embodiment 1
The A coals of feed coal total amount 60wt% will be accounted for, the B coals of 40wt% are worn into grinding machine less than 200 mesh coal dusts, and work is sent into
Make pressure compound stalk forming in the cuber under 26MP, is sieved after primary breakup and secondary breakup；
Qualified pellet (1mm~8mm) carries out oxidation processes and charing process successively, and wherein oxidation processes condition is：
In electrical heating external-heat converter using air as oxidant at 230-250 DEG C to pellet into the oxidation processes of 3h when behavior；Charcoal
Changing treatment conditions is：2.5h charing process is carried out to material with 500-550 DEG C in electrical heating external-heat converter, in furnace atmosphere
Oxygen concentration is controlled less than 5vol%.
With mass concentration it is that 5% sodium nitrate solution impregnates 2h after obtained carbonized material cooling, (nitrate content is about for drying
0.6%) it, then transports in activation furnace and activates, activation process condition is：Make in converter that is, in the presence of flowing steam in activated media
Charing particle activated 5 hours at 900 DEG C, activated media dosage is 3.2 times of carbonized material weight, obtains activated carbon product.
Manufactured mesopore rate of activated carbon：56.9%, intensity：97.2%；Yield of activation relative to carbonized material：39%.
Embodiment 2
The A coals of feed coal total amount 55wt% will be accounted for, the B coals of 45wt% are worn into grinding machine less than 200 mesh coal dusts, and work is sent into
Make pressure compound stalk forming in the cuber under 26MP, is sieved after primary breakup and secondary breakup；
Qualified pellet (3mm~10mm) carries out oxidation processes and charing process successively, and wherein oxidation processes condition is：
In electrical heating external-heat converter using air as oxidant at 230-250 DEG C to pellet into the oxidation processes of 3h when behavior；Charcoal
Changing treatment conditions is：2.5h charing process is carried out to material with 500-550 DEG C in electrical heating external-heat converter, in furnace atmosphere
Oxygen concentration is controlled less than 5vol%.
2h is impregnated for 10% potassium nitrate solution with mass concentration after obtained carbonized material cooling, (nitrate content is about for drying
It for 0.96%), then transports in activation furnace and activates, activation process condition is：In activated media, i.e., in the presence of flowing steam, make to turn
Charing particle in stove activates 5 hours at 900 DEG C, and activated media dosage is 3.2 times of carbonized material weight, obtains activated carbon production
Product.Manufactured mesopore rate of activated carbon：60.7%, intensity：97%；Yield of activation：40.12%.
Embodiment 3
The A coals of feed coal total amount 50wt% will be accounted for, the B coals of 50wt% are worn into grinding machine less than 200 mesh coal dusts, and work is sent into
Make pressure compound stalk forming in the cuber under 26MP, is sieved after primary breakup and secondary breakup；
Qualified pellet (3mm~8mm) carries out oxidation processes and charing process successively, and wherein oxidation processes condition is：
In electrical heating external-heat converter using air as oxidant at 230-250 DEG C to pellet into the oxidation processes of 3h when behavior；Charcoal
Changing treatment conditions is：2.5h charing process is carried out to material with 500-550 DEG C in electrical heating external-heat converter, in furnace atmosphere
Oxygen concentration is controlled less than 5vol%.
It is 15% calcium nitrate and magnesium nitrate 1 that mass concentration is used after obtained carbonized material cooling:1 solution impregnates 2h, drying
(nitrate content is about 1.2%), then transport in activation furnace and activate, activation process condition is：In activated media, i.e. flowing steam
In the presence of, so that the charing particle in converter is activated 5 hours at 900 DEG C, activated media dosage is 3.2 times of carbonized material weight,
Obtain activated carbon product.Manufactured mesopore rate of activated carbon：65.3%, intensity：97.1%；Yield of activation：40%.
Comparative example 1
A coals are worn into grinding machine less than 200 mesh coal dusts, be sent into operating pressure in the cuber under 26MP briquetting at
Type sieves after primary breakup and secondary breakup,
Qualified pellet (3mm~10mm) carries out oxidation processes and charing process successively, and wherein oxidation processes condition is：
In electrical heating external-heat converter using air as oxidant at 230-250 DEG C to pellet into the oxidation processes of 3h when behavior；Charcoal
Changing treatment conditions is：2.5h charing process is carried out to material with 500-550 DEG C in electrical heating external-heat converter, in furnace atmosphere
Oxygen concentration is controlled less than 5vol%.
It transports in activation furnace and activates again after obtained carbonized material cooling, activation process condition is：In activated media, that is, flow
In the presence of steam, the charing particle in converter is made to be activated 5 hours at 900 DEG C, activated media dosage is the 3.2 of carbonized material weight
Times, obtain activated carbon product.Manufactured mesopore rate of activated carbon：20.8%；Intensity：97%；Yield of activation：39%.
Comparative example 2
B coals are worn into grinding machine less than 200 mesh coal dusts, be sent into operating pressure in the cuber under 26MP briquetting at
Type sieves after primary breakup and secondary breakup, and qualified pellet (3mm~10mm) carries out at oxidation processes and charing successively
Reason, wherein oxidation processes condition are：In electrical heating external-heat converter using air as oxidant at 230-250 DEG C to pellet
Into the oxidation processes of 3h when behavior；Charing process condition is：Material is carried out with 500-550 DEG C in electrical heating external-heat converter
2.5h charing process, oxygen concentration control is less than 5vol% in furnace atmosphere.
It transports in activation furnace and activates again after obtained carbonized material cooling, activation process condition is：In activated media, that is, flow
In the presence of steam, the charing particle in converter is made to be activated 5 hours at 900 DEG C, activated media dosage is the 3.2 of carbonized material weight
Times, obtain activated carbon product.Manufactured mesopore rate of activated carbon：39.5%, intensity：96.8%；Yield of activation：41%；And gas
Coal B higher prices, cause manufacturing cost height.
Comparative example 3
The A coals of feed coal total amount 55wt% will be accounted for, the B coals of 45wt% are worn into grinding machine less than 200 mesh coal dusts, feeding work
Make pressure compound stalk forming in the cuber under 26MP, is sieved after primary breakup and secondary breakup, qualified pellet (3mm~
It 10mm) carries out oxidation processes successively and charing process, wherein oxidation processes condition is：With air in electrical heating external-heat converter
As oxidant at 230-250 DEG C to pellet into the oxidation processes of 3h when behavior；Charing process condition is：It is hot outside electrical heating
2.5h charing process is carried out to material with 500-550 DEG C in formula converter, oxygen concentration control is less than 5vol% in furnace atmosphere.
It transports in activation furnace and activates again after obtained carbonized material cooling, activation process condition is：In activated media, that is, flow
In the presence of steam, the charing particle in converter is made to be activated 5 hours at 900 DEG C, activated media dosage is the 3.2 of carbonized material weight
Times, obtain activated carbon product.Manufactured mesopore rate of activated carbon：35.2%, intensity：96.6%；Yield of activation：41%.
Comparative example 4
Difference lies in the A coals containing 55wt%, the B coals of 43wt% and the nitre of 2wt% in feed coal with comparative example 3
Sour sodium (relative amount of nitrate and embodiment 3 are substantially suitable after charing).Remaining is identical.
Manufactured mesopore rate of activated carbon：39.2%, intensity：96.3%；Yield of activation：40%.
Claims (8)
1. a kind of method for the activated carbon being prepared mesoporous prosperity using coal, is included the following steps：
A, coal blending is carried out as raw material using weakly caking coal and bottle coal and crushed to obtain feed coal, wherein with the gross weight of the feed coal
The dosage of gauge, the weakly caking coal is 50wt%-60wt%, and the dosage of bottle coal is 40wt%-50wt%；
B, by the feed coal compound stalk forming, granulation, coal particle is obtained；
C, oxidation processes, charing process are carried out to the coal particle, obtains carbonized material；
D, the carbonized material is impregnated using nitrate solution, activation process is carried out after obtained dipping carbonized material is dried, with system
Obtain activated carbon.
2. preparation method according to claim 1, which is characterized in that in step d, the nitrate solution it is a concentration of
5wt%-20wt%, dip time 0.5-3h.
3. preparation method according to claim 1 or 2, which is characterized in that in the dipping carbonized material after drying, nitrate
Content is 0.5-2%；Preferably, the nitrate solution is one kind or more in sodium nitrate, potassium nitrate, calcium nitrate and magnesium nitrate
The aqueous solution of kind.
4. preparation method according to any one of claim 1-3, which is characterized in that the volatile matter of the weakly caking coal is not small
In 35%, light transmittance is not less than 50, and vitrinite's content is not less than 50%；The caking index of the bottle coal is not less than 80, cuticula
Thickness is not less than 25.
5. according to the preparation method described in any one of claim 1-4, which is characterized in that the use of weakly caking coal in the feed coal
Amount is 52wt%-58wt%, and the dosage of bottle coal is 42wt%-48wt%.
6. preparation method according to any one of claims 1-5, which is characterized in that in step c, oxidation processes condition
For：Oxidation processes are carried out 1.5-4 hours to material using air as oxidant at 200 DEG C -250 DEG C.
7. according to the preparation method described in any one of claim 1-6, which is characterized in that in step c, charing process condition
For：300-550 DEG C of temperature, Carbonization Atmospheres oxygen content are not more than 5vol%, charing process time 1.5h-4h.
8. according to the preparation method described in any one of claim 1-7, which is characterized in that in step d, activation process condition
For：Using vapor as activated media, priming reaction is carried out at 850 DEG C -950 DEG C, soak time is 3-6 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082798.2A CN108439399A (en) | 2017-02-16 | 2017-02-16 | A method of preparing the activated carbon of mesoporous prosperity using coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710082798.2A CN108439399A (en) | 2017-02-16 | 2017-02-16 | A method of preparing the activated carbon of mesoporous prosperity using coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108439399A true CN108439399A (en) | 2018-08-24 |
Family
ID=63190507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710082798.2A Pending CN108439399A (en) | 2017-02-16 | 2017-02-16 | A method of preparing the activated carbon of mesoporous prosperity using coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108439399A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824049A (en) * | 2019-03-29 | 2019-05-31 | 平罗县国宁活性炭有限公司 | A kind of solvent recovery method for preparation of active carbon |
| CN110872120A (en) * | 2018-08-31 | 2020-03-10 | 中车大同电力机车有限公司 | Preparation method of activated carbon |
| CN111908467A (en) * | 2019-06-28 | 2020-11-10 | 大同中车煤化有限公司 | Activated carbon and preparation method thereof |
| CN113526504A (en) * | 2021-07-08 | 2021-10-22 | 中国铝业股份有限公司 | Activated carbon with developed mesopores and preparation method thereof |
| CN113896194A (en) * | 2021-10-31 | 2022-01-07 | 成都达奇环境科技有限公司 | Preparation method of activated carbon and activated carbon |
| CN115124037A (en) * | 2021-03-29 | 2022-09-30 | 内蒙古浦瑞芬环保科技有限公司 | High-sugar honey briquette crushed charcoal and method for producing high-sugar honey briquette crushed charcoal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272454A (en) * | 1999-04-30 | 2000-11-08 | 煤炭科学研究总院北京煤化学研究所 | Production method of coal base mesopore active carbon |
| CN106044768A (en) * | 2016-05-31 | 2016-10-26 | 神华集团有限责任公司 | Preparation method of coal-based briquetting activated carbon suitable for water treatment |
| CN106044769A (en) * | 2016-05-31 | 2016-10-26 | 神华集团有限责任公司 | Preparation method of coal-based agglomerated activated carbon with high specific surface area |
-
2017
- 2017-02-16 CN CN201710082798.2A patent/CN108439399A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272454A (en) * | 1999-04-30 | 2000-11-08 | 煤炭科学研究总院北京煤化学研究所 | Production method of coal base mesopore active carbon |
| CN106044768A (en) * | 2016-05-31 | 2016-10-26 | 神华集团有限责任公司 | Preparation method of coal-based briquetting activated carbon suitable for water treatment |
| CN106044769A (en) * | 2016-05-31 | 2016-10-26 | 神华集团有限责任公司 | Preparation method of coal-based agglomerated activated carbon with high specific surface area |
Non-Patent Citations (1)
| Title |
|---|
| 冀有俊 等: "添加剂作用下煤基中孔活性炭的制备", 《煤炭转化》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110872120A (en) * | 2018-08-31 | 2020-03-10 | 中车大同电力机车有限公司 | Preparation method of activated carbon |
| CN109824049A (en) * | 2019-03-29 | 2019-05-31 | 平罗县国宁活性炭有限公司 | A kind of solvent recovery method for preparation of active carbon |
| CN111908467A (en) * | 2019-06-28 | 2020-11-10 | 大同中车煤化有限公司 | Activated carbon and preparation method thereof |
| CN115124037A (en) * | 2021-03-29 | 2022-09-30 | 内蒙古浦瑞芬环保科技有限公司 | High-sugar honey briquette crushed charcoal and method for producing high-sugar honey briquette crushed charcoal |
| CN115124037B (en) * | 2021-03-29 | 2023-09-22 | 内蒙古浦瑞芬环保科技有限公司 | Broken carbon prepared by high molasses briquettes and method for producing broken carbon prepared by high molasses briquettes |
| CN113526504A (en) * | 2021-07-08 | 2021-10-22 | 中国铝业股份有限公司 | Activated carbon with developed mesopores and preparation method thereof |
| CN113896194A (en) * | 2021-10-31 | 2022-01-07 | 成都达奇环境科技有限公司 | Preparation method of activated carbon and activated carbon |
| CN113896194B (en) * | 2021-10-31 | 2023-10-31 | 成都达奇科技股份有限公司 | Preparation method of activated carbon and activated carbon |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108439399A (en) | A method of preparing the activated carbon of mesoporous prosperity using coal | |
| CN106044769B (en) | A kind of preparation method of the coal base agglomerated activated carbon of high-specific surface area | |
| CN102126722A (en) | Process for preparing coal-based agglomerated activated carbon | |
| JP6676821B2 (en) | Method of producing binder-based activated carbon with no binder | |
| CN106629712B (en) | A method of active carbon is prepared using the mixture of coal and biomass | |
| CN103224236B (en) | Peanut shell activated carbon for removing toxins in peanut oil and preparation method thereof | |
| CN104528717B (en) | Preparation method of briquetted active carbon | |
| CN102161897A (en) | Method for preparing charcoal activated carbon flammable gas biological oil by utilizing crop straws | |
| CN103464099B (en) | A kind of preparation method of pressure-variable adsorption separation of C O2 active carbon | |
| CN101423213A (en) | Method for preparing active carbon | |
| CN105293491A (en) | KOH solid activated active carbon preparation and forming method | |
| CN106044766B (en) | A kind of preparation method with high adsorption, the coal base agglomerated activated carbon of high bulk density | |
| CN108014750A (en) | A kind of preparation method of coal base desulfurization activated carbon | |
| CN104445188B (en) | A kind of solution is utilized to embathe the method that deliming prepares rice husk matrix activated carbon | |
| CN101391768A (en) | Novel method for preparing active carbon from petroleum coke | |
| CN106044768B (en) | A kind of preparation method of coal base agglomerated activated carbon suitable for water process | |
| CN105905898B (en) | A kind of preparation method of the coal base agglomerated activated carbon of high methylene blue number | |
| CN102491324B (en) | Preparation method of high denitrification activated coke | |
| CN104383876B (en) | Preparation method of granular active carbon for sewage treatment | |
| CN111099590A (en) | Coal-based activated carbon production process | |
| CN107640769A (en) | Reclaim the production method of powdered carbon regenerative sulfur binding denitration activity charcoal | |
| CN105883802A (en) | Coal-based activated carbon preparation method based on external heating type rotary furnace carbonization | |
| CN105776205B (en) | The active carbon from coal preparation method of circulation in a kind of flue gas | |
| JPH02153813A (en) | Manufacture of activated carbon mainly composed of brown coal | |
| KR20200055985A (en) | Method for manufacturing high-efficiency activated carbon for removal of harmful gas using nano metal powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |
|
| RJ01 | Rejection of invention patent application after publication |