CN115676826A - Activated carbon for industrial desulfurization and preparation method thereof - Google Patents
Activated carbon for industrial desulfurization and preparation method thereof Download PDFInfo
- Publication number
- CN115676826A CN115676826A CN202211321358.5A CN202211321358A CN115676826A CN 115676826 A CN115676826 A CN 115676826A CN 202211321358 A CN202211321358 A CN 202211321358A CN 115676826 A CN115676826 A CN 115676826A
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- parts
- catalyst
- anthracite
- desulfurization
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 163
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 30
- 230000023556 desulfurization Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000001354 calcination Methods 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 238000002156 mixing Methods 0.000 claims abstract description 18
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003830 anthracite Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 239000002802 bituminous coal Substances 0.000 claims abstract description 12
- 238000004898 kneading Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000002791 soaking Methods 0.000 claims abstract description 10
- 239000013543 active substance Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 230000003213 activating effect Effects 0.000 claims abstract description 7
- 239000011230 binding agent Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 26
- 239000002994 raw material Substances 0.000 claims description 18
- 239000011280 coal tar Substances 0.000 claims description 11
- 238000003763 carbonization Methods 0.000 claims description 8
- 238000000748 compression moulding Methods 0.000 claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical group 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 4
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000005751 Copper oxide Substances 0.000 claims description 3
- 229910000431 copper oxide Inorganic materials 0.000 claims description 3
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 abstract description 26
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 125000000524 functional group Chemical group 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 45
- 239000000243 solution Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 14
- 238000000227 grinding Methods 0.000 description 12
- 239000011148 porous material Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
- 150000004763 sulfides Chemical class 0.000 description 4
- 239000012190 activator Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- RBORURQQJIQWBS-QVRNUERCSA-N (4ar,6r,7r,7as)-6-(6-amino-8-bromopurin-9-yl)-2-hydroxy-2-sulfanylidene-4a,6,7,7a-tetrahydro-4h-furo[3,2-d][1,3,2]dioxaphosphinin-7-ol Chemical compound C([C@H]1O2)OP(O)(=S)O[C@H]1[C@@H](O)[C@@H]2N1C(N=CN=C2N)=C2N=C1Br RBORURQQJIQWBS-QVRNUERCSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
The invention discloses an activated carbon for industrial desulfurization and a preparation method thereof, belonging to the technical field of activated carbon materials, wherein the activated carbon comprises the following components in parts by weight: 70-80 parts of anthracite, 15-30 parts of bituminous coal, 10-20 parts of activating agent, 5-8 parts of catalyst, 2-4 parts of binder and 40-50 parts of water; the preparation method comprises the following steps: mixing anthracite, bituminous coal, binder and water, and kneading to obtain a mixture; pressing and forming; calcining to obtain primary activated carbon; soaking in an active agent, adding a catalyst, and drying to obtain an active carbon product. The activated carbon prepared by the method has large specific surface area and high strengthThe surface of the catalyst is rich in functional groups, and can effectively aim at removing carbonyl sulfide and H in industrial tail gas 2 S, the desulfurization speed is high, and the desulfurization efficiency is high.
Description
Technical Field
The invention belongs to the technical field of activated carbon materials, and particularly relates to an activated carbon for industrial desulfurization and a preparation method thereof.
Background
The clean conversion and high-efficiency utilization technology of coal resources is an important energy utilization technology for economic, social sustainable development and environmental protection in China, wherein the coke oven coalThe gas preparation process is one of clean coal technologies with the highest coal conversion efficiency. The coke oven gas mainly comprises 55-60% of hydrogen, 23-27% of methane, 5-8% of carbon monoxide and 1.5-3% of carbon dioxide and contains various sulfides, the existence of the sulfides can corrode equipment and pipelines, catalyst poisoning in subsequent conversion, reforming and synthesis processes is caused, if tail gas containing the sulfides is discharged into the air without treatment, environmental pollution can be caused to be changed into sulfur dioxide through ultraviolet irradiation, acid rain is further formed, soil and water sources are polluted, and the like, so that the harm is caused to the health of people. The sulfides mainly existing in the coke oven gas are carbonyl sulfide (COS) and H 2 S, wherein, H 2 S is a typical representative of sulfur-containing compound malodorous pollutants, is colorless and transparent gas, has a smelly egg taste, has strong irritation to a human body, is difficult to dissolve in water, is easy to dissolve in an organic solvent, has a simpler carbonyl sulfide molecular structure, belongs to a linear molecular structure, is connected by double bonds between oxygen atoms and carbon atoms, has special and stable physicochemical properties, is more difficult to remove carbonyl sulfide than hydrogen sulfide in the deep purification process of coke oven gas, and has fewer methods for removing carbonyl sulfide in the conventional industrial tail gas treatment.
And the prior industrial tail gas treatment aims at H 2 Most of S removal adopts dry method, semi-dry method and wet method desulfurization, wherein the dry method desulfurization mainly adopts activated carbon adsorption, the activated carbon used for desulfurization in the market mainly comprises conventional activated carbon and modified activated carbon, the conventional activated carbon is directly adsorbed by coal, desulfurization is carried out only by the self-pore adsorption capacity of the activated carbon, and the adsorption efficiency is low; the modified activated carbon is to modify the surface of the activated carbon so as to improve the H pair 2 Adsorption of S or to H 2 S is catalyzed to react H 2 S is converted into elemental sulfur, thereby improving the desulfurization effect. However, the modified activated carbon is used as a desulfurizer to remove hydrogen sulfide in tail gas, two problems are easily caused, one is that after adsorption reaches saturation, desorption regeneration, cleaning or replacement is required to be performed periodically, and the other is that elemental sulfur generated by the catalytic oxidation reaction of the modified activated carbon on the hydrogen sulfide blocks the pores of the activated carbon, so that the removal rate of the hydrogen sulfide is continuously increased along with the prolonging of the service time of the desulfurizerThe method has the disadvantages of low desulfurizing agent service life, high operating cost, complex operation management and the like.
Disclosure of Invention
In view of the above, the present invention provides an activated carbon for industrial desulfurization, which has a large specific surface area, high mechanical strength, and a surface rich in functional groups, and can effectively remove carbonyl sulfide (COS) and H in industrial exhaust gas 2 S, the desulfurization speed is high, and the desulfurization efficiency is high.
The invention is realized by the following technical scheme:
the active carbon for industrial desulfurization comprises the following components in parts by weight: 70-80 parts of anthracite, 15-30 parts of bituminous coal, 10-20 parts of activator, 5-8 parts of catalyst, 2-8 parts of binder and 40-50 parts of water.
According to the invention, anthracite and bituminous coal are mixed to prepare the activated carbon, and the microporous structure of the anthracite and the macroporous structure of the bituminous coal are mixed to prepare the activated carbon with a large proportion of mesoporous structure, so that the specific surface area of the activated carbon is improved, the pore diameter of the activated carbon is relatively balanced, the vulcanization speed is accelerated, and the vulcanization efficiency is improved; the surface of the activated carbon has higher activity by doping the activating agent, and the activation reaction on the surface of the activated carbon is accelerated; the catalyst is loaded on the surface of the activated carbon, so that the catalyst has larger surface area and higher mechanical strength, thereby accelerating the reaction of the sulfide and the activating agent on the surface of the activated carbon and improving the desulfurization speed.
Preferably, the activator is an aqueous hydroxide solution. The hydroxide aqueous solution is a common active agent in the field of activated carbon, can penetrate into the internal pores of the activated carbon, avoids the problem that the activated carbon is enriched on the surface of the activated carbon to block the pore structure, and simultaneously has COS and H 2 S reacts and is converted into elemental sulfur, and the desulfurization treatment of the industrial tail gas is realized. Further, the hydroxide aqueous solution is a sodium hydroxide solution.
Preferably, the catalyst is a metal oxide. And loading metal oxide on the surface of the activated carbon, and further reacting the metal oxide with COS to deeply degrade the COS in the industrial tail gas. Further, the metal oxide is selected from one or more of copper oxide, iron oxide, aluminum oxide, manganese oxide or nickel oxide.
Preferably, the binder is coal tar. The main component of the coal tar is pitch which has a good wetting effect on the coal dust particles, and when the coal tar and the coal dust particles are contacted, the coal tar firstly wets the surfaces of the coal dust particles to promote the mixing and kneading molding of the coal dust particles.
Another object of the present invention is to provide a method for preparing activated carbon for industrial desulfurization, which comprises the steps of:
s1: anthracite and anthracite are crushed and then mixed and sieved to obtain raw material particles;
s2: adding a certain amount of raw material particles into a kneader, adding an adhesive and water for mixing, kneading to obtain a mixture, compressing the mixture on a compressor, and naturally drying after compression molding;
s3: putting the formed mixture into a carbonization furnace for calcining to form primary activated carbon;
s4: coating a catalyst on the surface of the primary activated carbon, then putting the primary activated carbon into an activating agent for soaking, and then drying to obtain the activated carbon.
Further, in step S2, the mixing time is 25 to 30min, and the kneading temperature is 55 to 60 ℃.
Furthermore, in step S3, the calcination time is 3-5 h, and the calcination temperature is 600-800 ℃.
Further, in step S4, the volume ratio of the primary activated carbon to the active agent is 1:2, and the active agent has the concentration of 30-50 wt%.
Further, in step S4, the impregnation time of the primary activated carbon and the activating agent is 3 to 10 hours.
Based on the scheme, the invention has the following beneficial effects:
the activated carbon prepared by the method has high mechanical strength, large sulfur capacity and high desulfurization speed, and the COS is degraded into H by utilizing the catalytic action and the activation action of the catalyst and the activator in and on the surface of the activated carbon 2 S, while removing H 2 And S, thereby realizing deep removal of sulfide in the industrial tail gas.
The active carbon is prepared from common chemical raw materials, is low in cost, is convenient to obtain raw materials, greatly reduces the production cost, and has remarkable economic benefit.
Detailed Description
In order to better understand the present invention, the contents of the present invention are further illustrated by the following examples, but the present invention is not limited to the following examples, and the scope of the present invention is not limited thereto.
It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials can be easily obtained without further specification.
Example 1
The embodiment provides an activated carbon for industrial desulfurization, which comprises the following components in percentage by weight:
s1: respectively putting 76 parts of anthracite and 18 parts of bituminous coal into a grinder for grinding, grinding to pass through a 200-mesh sieve, and then uniformly mixing to obtain raw material particles with uniform particle size;
s2: adding quantitative raw material particles into a kneader, adding 5 parts of coal tar and 45 parts of water, mixing and stirring for 25min, kneading at 55 ℃ to obtain a mixture, compressing the mixture on a compressor, and naturally drying after compression molding;
s3: putting the formed mixture into a carbonization furnace for calcining to form primary activated carbon, adjusting the calcining temperature to 650 ℃, and calcining for 4 hours;
s4: and (2) soaking the primary activated carbon in a sodium hydroxide solution for 6 hours, wherein the volume ratio of the primary activated carbon to the sodium hydroxide solution is 1.5, the sodium hydroxide is 45wt%, simultaneously adding 6 parts of copper oxide into the sodium hydroxide solution, and drying after soaking to obtain the activated carbon.
Example 2
This example provides an activated carbon for industrial desulfurization, which comprises the following components by weight:
s1: respectively putting 70 parts of anthracite and 25 parts of bituminous coal into a grinder for grinding, grinding to pass through a 200-mesh sieve, and then uniformly mixing to obtain raw material particles with uniform particle size;
s2: adding a certain amount of raw material particles into a kneader, adding 2 parts of coal tar and 40 parts of water, mixing and stirring for 30min, kneading at the temperature of 57 ℃ to obtain a mixture, compressing the mixture on a compressor, and naturally drying after compression molding;
s3: putting the formed mixture into a carbonization furnace for calcination to form primary activated carbon, adjusting the calcination temperature to 600 ℃, and calcining for 4 hours;
s4: and (2) soaking the primary activated carbon in a sodium hydroxide solution for 8 hours, wherein the volume ratio of the primary activated carbon to the sodium hydroxide solution is 1.
Example 3
The embodiment provides an activated carbon for industrial desulfurization, which comprises the following components in percentage by weight:
s1: respectively putting 80 parts of anthracite and 30 parts of bituminous coal into a grinder for grinding, grinding to pass through a 200-mesh sieve, and then uniformly mixing to obtain raw material particles with uniform particle size;
s2: adding quantitative raw material particles into a kneader, adding 8 parts of coal tar and 50 parts of water, mixing and stirring for 30min, kneading at the temperature of 60 ℃ to obtain a mixture, compressing the mixture on a compressor, and naturally drying after compression molding;
s3: putting the formed mixture into a carbonization furnace for calcination to form primary activated carbon, adjusting the calcination temperature to 800 ℃, and calcining for 3 hours;
s4: and (2) soaking the primary activated carbon in a sodium hydroxide solution for 4 hours, wherein the volume ratio of the primary activated carbon to the sodium hydroxide solution is 1.
Example 4
This example provides an activated carbon for industrial desulfurization, which comprises the following components by weight:
s1: respectively putting 74 parts of anthracite and 20 parts of bituminous coal into a grinder for grinding, grinding to pass through a 200-mesh sieve, and then uniformly mixing to obtain raw material particles with uniform particle size;
s2: adding quantitative raw material particles into a kneader, adding 6 parts of coal tar and 46 parts of water, mixing and stirring for 25min, kneading at the temperature of 57 ℃ to obtain a mixture, compressing the mixture on a compressor, and naturally airing after compression molding;
s3: putting the formed mixture into a carbonization furnace for calcination to form primary activated carbon, adjusting the calcination temperature to 550 ℃, and calcining for 4 hours;
s4: and (2) soaking the primary activated carbon in a sodium hydroxide solution for 8 hours, wherein the volume ratio of the primary activated carbon to the sodium hydroxide solution is 1.
Example 5
The embodiment provides an activated carbon for industrial desulfurization, which comprises the following components in percentage by weight:
s1: respectively putting 75 parts of anthracite and 25 parts of bituminous coal into a grinder for grinding, grinding to pass through a 200-mesh sieve, and then uniformly mixing to obtain raw material particles with uniform particle size;
s2: adding quantitative raw material particles into a kneader, adding 5 parts of coal tar and 50 parts of water, mixing and stirring for 30min, kneading at the temperature of 57 ℃ to obtain a mixture, compressing the mixture on a compressor, and naturally drying after compression molding;
s3: putting the formed mixture into a carbonization furnace for calcination to form primary activated carbon, adjusting the calcination temperature to 700 ℃, and calcining for 4 hours;
s4: and (2) soaking the primary activated carbon in a sodium hydroxide solution for 5 hours, wherein the volume ratio of the primary activated carbon to the sodium hydroxide solution is 1.
Example 6
This example provides an activated carbon for industrial desulfurization, which comprises the following components by weight:
s1: respectively putting 75 parts of anthracite and 25 parts of bituminous coal into a grinder for grinding, grinding to pass through a 200-mesh sieve, and then uniformly mixing to obtain raw material particles with uniform particle size;
s2: adding quantitative raw material particles into a kneader, adding 5 parts of coal tar and 50 parts of water, mixing and stirring for 30min, kneading at the temperature of 57 ℃ to obtain a mixture, compressing the mixture on a compressor, and naturally drying after compression molding;
s3: putting the formed mixture into a carbonization furnace for calcination to form primary activated carbon, adjusting the calcination temperature to 700 ℃, and calcining for 4 hours;
s4: and (2) soaking the primary activated carbon in a sodium hydroxide solution for 7 hours, wherein the volume ratio of the primary activated carbon to the sodium hydroxide solution is 1.
Each of the activities prepared in examples 1 to 6 was tested for each property. The test results are shown in table 1 below:
TABLE 1 Performance parameters of the activated carbons of examples 1-6
As is apparent from the above tables, the activated carbon produced in examples 1 to 6 of the present invention satisfies the current activated carbon standard (GB/T7702-1997, strength ≧ 90 pore volume, cm 3 The/g is more than or equal to 0.6; specific surface area, m 2 The/g is more than or equal to 800; saturated sulfur capacity, mg/g is more than or equal to 900; ) And for H in industrial exhaust gas 2 S and COS have good removal effect, wherein the performance of the activated carbon prepared in the example 1 is the best.
The above description is only a few examples of the present invention, and does not limit the scope of the present invention, and it should be appreciated by those skilled in the art that the equivalent alternatives and obvious variations of the present invention are included in the scope of the present invention.
Claims (10)
1. The activated carbon for industrial desulfurization is characterized by comprising the following components in parts by weight: 70-80 parts of anthracite, 15-30 parts of bituminous coal, 10-20 parts of activating agent, 5-8 parts of catalyst, 2-4 parts of binder and 40-50 parts of water.
2. The activated carbon for industrial desulfurization according to claim 1, wherein the active agent is an aqueous hydroxide solution.
3. The activated carbon for industrial desulfurization according to claim 1, wherein the catalyst is a metal oxide.
4. The activated carbon for industrial desulfurization according to claim 3, wherein the metal oxide is one or more of copper oxide, iron oxide, aluminum oxide, manganese oxide or nickel oxide.
5. The activated carbon for industrial desulfurization according to claim 1, wherein the binder is coal tar.
6. A process for the preparation of activated carbon according to any one of claims 1 to 5, comprising the steps of:
s1: anthracite and anthracite are crushed and then mixed and sieved to obtain raw material particles;
s2: adding a certain amount of raw material particles into a kneader, adding a binder and water, mixing, kneading to obtain a mixture, compressing the mixture on a compressor, and naturally drying after compression molding;
s3: putting the formed mixture into a carbonization furnace for calcining to form primary activated carbon;
s4: and (3) soaking the primary activated carbon in an active agent, synchronously adding a catalyst, and drying to obtain the activated carbon.
7. The method according to claim 6, wherein in the step S2, the mixing time is 25 to 30min and the kneading temperature is 55 to 60 ℃.
8. The method of claim 6, wherein the calcination time in step S3 is 3 to 5 hours, and the calcination temperature is 600 to 800 ℃.
9. The method according to claim 6, wherein in step S4, the volume ratio of the primary activated carbon to the active agent is 1:2, and the concentration of the active agent is 30-50 wt%.
10. The method of claim 6, wherein the primary activated carbon is impregnated with the activating agent for 3 to 10 hours in step S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211321358.5A CN115676826A (en) | 2022-10-26 | 2022-10-26 | Activated carbon for industrial desulfurization and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211321358.5A CN115676826A (en) | 2022-10-26 | 2022-10-26 | Activated carbon for industrial desulfurization and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115676826A true CN115676826A (en) | 2023-02-03 |
Family
ID=85098872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211321358.5A Pending CN115676826A (en) | 2022-10-26 | 2022-10-26 | Activated carbon for industrial desulfurization and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115676826A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07267619A (en) * | 1994-03-31 | 1995-10-17 | Sumitomo Heavy Ind Ltd | Production of granular activated carbon |
| JP2003147369A (en) * | 2001-07-26 | 2003-05-21 | Kuraray Chem Corp | Method for forming carbonized product and formed active carbon and carbonized product and formed active carbon produced thereby |
| CN103232036A (en) * | 2013-05-09 | 2013-08-07 | 贺守印 | Preparation method of desulfurization and denitrification active carbon |
| CN103496699A (en) * | 2013-10-21 | 2014-01-08 | 哈尔滨工业大学 | Preparation method for modified activated carbon |
| CN104667872A (en) * | 2015-02-12 | 2015-06-03 | 江苏竹海活性炭有限公司 | High-efficiency deep desulfurization active carbon and preparation method thereof |
| US20170113202A1 (en) * | 2015-10-22 | 2017-04-27 | King Fahd University Of Petroleum And Minerals | Modified activated carbon preparation and methods thereof |
| CN106672967A (en) * | 2016-12-28 | 2017-05-17 | 神华集团有限责任公司 | Preparation method for activated carbon for desulfurization and denitrification and activated carbon for desulfurization and denitrification and application |
| CN106938846A (en) * | 2017-01-18 | 2017-07-11 | 广东韩研活性炭制造有限公司 | A kind of activated carbon adsorbed for waste incineration dioxin in flue gas and preparation method thereof |
| CN109336109A (en) * | 2018-10-31 | 2019-02-15 | 广东韩研活性炭科技股份有限公司 | A kind of preparation method of active carbon |
| WO2019206271A1 (en) * | 2018-04-27 | 2019-10-31 | 戴艾霖 | Combustion method of solid or semisolid fuel |
| CN111135793A (en) * | 2020-01-07 | 2020-05-12 | 江苏竹海活性炭有限公司 | Renewable efficient deep desulfurization activated carbon and preparation method and application thereof |
| CN111689495A (en) * | 2020-05-15 | 2020-09-22 | 内蒙古浦瑞芬环保科技有限公司 | Preparation method of tar-free activated carbon |
| CN112058273A (en) * | 2020-08-26 | 2020-12-11 | 中国科学院山西煤炭化学研究所 | Blast furnace gas desulfurization catalyst and preparation method and application thereof |
| CN113244752A (en) * | 2021-05-25 | 2021-08-13 | 山东亮剑环保新材料有限公司 | Carbon-based iron oxide composite desulfurizer and preparation method thereof |
| WO2021169079A1 (en) * | 2020-02-27 | 2021-09-02 | 青岛理工大学 | Catalyst capable of removing both cos and h2s in waste gasification and method for preparing catalyst |
| CN114057193A (en) * | 2020-07-31 | 2022-02-18 | 宝山钢铁股份有限公司 | Nitrogen-doped activated carbon-based desulfurizer as well as preparation method and application thereof |
| US20220162725A1 (en) * | 2020-11-20 | 2022-05-26 | Carbon Technology Holdings, LLC | Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production |
| CN114772594A (en) * | 2022-04-25 | 2022-07-22 | 山西新华防化装备研究院有限公司 | Activated carbon with developed mesopores and preparation method thereof |
-
2022
- 2022-10-26 CN CN202211321358.5A patent/CN115676826A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07267619A (en) * | 1994-03-31 | 1995-10-17 | Sumitomo Heavy Ind Ltd | Production of granular activated carbon |
| JP2003147369A (en) * | 2001-07-26 | 2003-05-21 | Kuraray Chem Corp | Method for forming carbonized product and formed active carbon and carbonized product and formed active carbon produced thereby |
| CN103232036A (en) * | 2013-05-09 | 2013-08-07 | 贺守印 | Preparation method of desulfurization and denitrification active carbon |
| CN103496699A (en) * | 2013-10-21 | 2014-01-08 | 哈尔滨工业大学 | Preparation method for modified activated carbon |
| CN104667872A (en) * | 2015-02-12 | 2015-06-03 | 江苏竹海活性炭有限公司 | High-efficiency deep desulfurization active carbon and preparation method thereof |
| US20170113202A1 (en) * | 2015-10-22 | 2017-04-27 | King Fahd University Of Petroleum And Minerals | Modified activated carbon preparation and methods thereof |
| CN106672967A (en) * | 2016-12-28 | 2017-05-17 | 神华集团有限责任公司 | Preparation method for activated carbon for desulfurization and denitrification and activated carbon for desulfurization and denitrification and application |
| CN106938846A (en) * | 2017-01-18 | 2017-07-11 | 广东韩研活性炭制造有限公司 | A kind of activated carbon adsorbed for waste incineration dioxin in flue gas and preparation method thereof |
| WO2019206271A1 (en) * | 2018-04-27 | 2019-10-31 | 戴艾霖 | Combustion method of solid or semisolid fuel |
| CN109336109A (en) * | 2018-10-31 | 2019-02-15 | 广东韩研活性炭科技股份有限公司 | A kind of preparation method of active carbon |
| CN111135793A (en) * | 2020-01-07 | 2020-05-12 | 江苏竹海活性炭有限公司 | Renewable efficient deep desulfurization activated carbon and preparation method and application thereof |
| WO2021169079A1 (en) * | 2020-02-27 | 2021-09-02 | 青岛理工大学 | Catalyst capable of removing both cos and h2s in waste gasification and method for preparing catalyst |
| CN111689495A (en) * | 2020-05-15 | 2020-09-22 | 内蒙古浦瑞芬环保科技有限公司 | Preparation method of tar-free activated carbon |
| CN114057193A (en) * | 2020-07-31 | 2022-02-18 | 宝山钢铁股份有限公司 | Nitrogen-doped activated carbon-based desulfurizer as well as preparation method and application thereof |
| CN112058273A (en) * | 2020-08-26 | 2020-12-11 | 中国科学院山西煤炭化学研究所 | Blast furnace gas desulfurization catalyst and preparation method and application thereof |
| US20220162725A1 (en) * | 2020-11-20 | 2022-05-26 | Carbon Technology Holdings, LLC | Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production |
| CN113244752A (en) * | 2021-05-25 | 2021-08-13 | 山东亮剑环保新材料有限公司 | Carbon-based iron oxide composite desulfurizer and preparation method thereof |
| CN114772594A (en) * | 2022-04-25 | 2022-07-22 | 山西新华防化装备研究院有限公司 | Activated carbon with developed mesopores and preparation method thereof |
Non-Patent Citations (5)
| Title |
|---|
| SHALABY, C等: ""Preparation of Organic Sulfur Adsorbent from Coal for Adsorption of Dibenzothiophene-type Compounds in Diesel Fuel"", 《ENERGY & FUELS》, vol. 23, no. 5, pages 2620 - 2627 * |
| 张军;解强;李兰亭;: "煤质活性炭脱灰工艺的研究进展", 煤化工, no. 02 * |
| 曾蒲君，乐政: "用粘结性烟煤制活性炭", 煤炭加工与综合利用, no. 05 * |
| 曾郴林等: "《电化学法废水处理技术及其应用》", 黑龙江商学院刊编辑部, pages: 238 * |
| 黄济民等: ""内蒙古无烟煤制备脱硫脱硝活性炭的研究"", 《能源环境保护》, vol. 30, no. 03, pages 31 - 33 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108439400B (en) | Nitrogen-doped bagasse activated carbon and preparation method thereof | |
| CN110935280B (en) | Nitrogen-doped mesoporous bamboo-based biochar and application thereof | |
| CN111099591B (en) | Surface-modified high-activity low-temperature denitration active coke and preparation method thereof | |
| CN104772143A (en) | Preparation method of supported sludge-base catalyst for removing low-concentration carbon disulfide | |
| CN113289583A (en) | Active carbon desulfurizer loaded with metal oxide as well as preparation method and application thereof | |
| CN101628202B (en) | Nanoparticle surface modified active semi-coke compound desulfurization denitrification agent and preparation method thereof | |
| CN104190358B (en) | NOx adsorber | |
| CN105712347B (en) | The method that sulfur-rich activated carbon is prepared using high sulfur petroleum coke | |
| CN102500362A (en) | Catalyst for removing H2S from gas by catalytic oxidation, preparation method and application | |
| CN114345117B (en) | Ferric oxide composite desulfurizer and preparation method and application thereof | |
| CN112933955A (en) | Preparation method and application of carbon nanofiber material capable of realizing high sulfur capacity | |
| CN108554368A (en) | A kind of preparation method and application of the adsorbent of removing low concentration hydrogen sulphide | |
| CN116510478B (en) | Desulfurizing agent for blast furnace gas and preparation method thereof | |
| CN111921363B (en) | High-efficiency desulfurizer for gas dry purification and preparation method and application thereof | |
| CN100496702C (en) | Absorbent for purifying sulfur-containing foul waste gas and preparation method thereof | |
| CN115676826A (en) | Activated carbon for industrial desulfurization and preparation method thereof | |
| KR20100107765A (en) | Activated carbon for adsorption tower and the manufacturing method thereof | |
| CN106582251B (en) | A kind of manganese titanate lithium raw material prepares flue gas desulfurizing and hydrargyrum-removing agent method | |
| CN113145103B (en) | Hydrodesulfurization catalyst and preparation method and application thereof | |
| CN108014835A (en) | Oxidation at room temperature hydrogen sulfide alkaline mesoporous Pd/carbon catalyst and preparation method and application | |
| CN114887654A (en) | Molecular sieve based nano carbon coated supported advanced oxidation catalyst and preparation method thereof | |
| CN113117639B (en) | Modified molecular sieve adsorbent and preparation method and application thereof | |
| CN110479210B (en) | In-situ iron-loaded activated carbon for removing hydrogen sulfide and preparation method and application thereof | |
| CN117019128B (en) | Activated carbon-based catalyst and preparation method and application thereof | |
| CN113546644A (en) | Preparation method and application of catalyst for deeply removing organic sulfur from coke oven gas |
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 |