CN107364859A - A kind of method that activated carbon is produced using bagasse - Google Patents
A kind of method that activated carbon is produced using bagasse Download PDFInfo
- Publication number
- CN107364859A CN107364859A CN201710606955.5A CN201710606955A CN107364859A CN 107364859 A CN107364859 A CN 107364859A CN 201710606955 A CN201710606955 A CN 201710606955A CN 107364859 A CN107364859 A CN 107364859A
- Authority
- CN
- China
- Prior art keywords
- bagasse
- activated carbon
- utilized according
- concentration
- acid
- 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
Landscapes
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of method that activated carbon is produced using bagasse, this method comprises the following steps：(1) mixed aqueous solution of bagasse ferric nitrate and zinc chloride impregnates；(2) bagasse handled through step (1) is activated at 400~700 DEG C, obtains activated carbon.Compared with prior art, method of the invention is low for equipment requirements, and production cost is low, and activated carbon yield is high, and absorption property meets national standard.
Description
Technical field
The invention belongs to activated carbon field, is related to a kind of method that activated carbon is produced using bagasse.
Background technology
Guangxi is China sucrose major production areas, produces substantial amounts of bagasse waste material every year, is traditionally directly by bagasse
Burn, but burn and produce substantial amounts of carbon dioxide, do not meet requirement of the society to environmental protection increasingly, therefore, how to pass through
It is the problem that cane mill is badly in need of facing that Ji, which effectively handles these bagasse waste materials,.
Activated carbon be it is a kind of apply very extensive adsorbent, activated carbon is made in bagasse can not only solve bagasse and give up
The problem of material pollution, and product also has good economic benefits.Have some on bagasse is prepared into good excellent
The report of the activated carbon of adsorption capacity, such as " zinc chloride activation method prepares bagasse active carbon adsorbent " Zhang Zhi cypress, chemical industry environmental protection,
2009；" preparation of bagasse active carbon and its recycling of activator " Zhao Yongming, material Leader B, 2011.These sides
The deficiency of method is：Activated carbon yield is not high, or higher to the requirement of equipment corrosion resistance as activator using phosphoric acid.
The content of the invention
The technical problem to be solved in the present invention is to overcome the defects of existing, there is provided one kind utilizes bagasse production activated carbon
Method.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
A kind of method that activated carbon is produced using bagasse, is comprised the following steps：
(1) mixed aqueous solution of bagasse ferric nitrate and zinc chloride impregnates；
(2) bagasse handled through step (1) is activated at 400~700 DEG C, obtains activated carbon.
One of preferable technical scheme, in the mixed aqueous solution described in step (1), the concentration of ferric nitrate is 10~30g/
L, chlorination zinc concentration are 30~70g/L.
One of preferable technical scheme, the bagasse described in step (1) is after dry and pulverization process, then is impregnated.
One of preferred technical scheme, the bagasse described in step (1) cross 30 mesh sieves after crushing.
One of preferable technical scheme, step (1) dipping is to carry out at room temperature, and the time is 8~36 hours.
One of preferred technical scheme, after the completion of dipping, using centrifugation or filter type, isolate bagasse.
One of preferable technical scheme, the soak time of step (2) is 0.5~2 hour.
One of preferable technical scheme, after the completion of step (2) activation, gained activated carbon first with acid cleaning, be washed with water to
It is neutral.The acid can use hydrochloric acid, sulfuric acid or nitric acid.
Activated carbon prepared by the inventive method disclosure satisfy that national standard in performance, compared with prior art, the present invention
Method it is low for equipment requirements, production cost is low, and activated carbon yield is high.
Embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Activated carbon yield=activated carbon dry weight (g)/bagasse dry weight (g) × 100% of the present invention.
Activated carbon-iodine adsorptive value method of testing uses GB/T 12496.8-2015.
Embodiment 1
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 30 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 20g/L, zinc oxide concentration 60g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, lower addition activating solution is stirred, did not had bagasse to liquid level, at room temperature
Impregnate 24h, centrifugation.
(4) activate：The bagasse that centrifugation obtains is put into crucible, Muffle furnace is placed in, is warming up to 5 DEG C/min speed
500 DEG C, after being incubated 50min, cooling.
(5) wash：First the activated carbon that activation obtains is added in concentrated hydrochloric acid, washes away inorganic salts residue, then use clear water
It is neutral to wash place.
The activated carbon yield of the embodiment is 50.7%, iodine sorption value 1018mg/g.
Embodiment 2
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 30 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 30g/L, zinc oxide concentration 70g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, is added it in 200mL activating solutions, after mixing thoroughly, is impregnated at room temperature
12h, filtering.
(4) activate：The bagasse being filtrated to get is put into crucible, is placed in Muffle furnace, is warming up to 5 DEG C/min speed
400 DEG C, after being incubated 2h, cooling.
(5) wash：First the activated carbon that activation obtains is added in concentrated hydrochloric acid, washes away inorganic salts residue, then use clear water
It is neutral to wash place.
The activated carbon yield of the embodiment is 51.5%, iodine sorption value 1026mg/g.
Embodiment 3
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 30 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 10g/L, zinc oxide concentration 30g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, is added it in 250mL activating solutions, after mixing thoroughly, is impregnated at room temperature
10h, filtering.
(4) activate：The bagasse being filtrated to get is put into crucible, is placed in Muffle furnace, is warming up to 5 DEG C/min speed
600 DEG C, after being incubated 30min, cooling.
(5) wash：First the activated carbon that activation obtains is added in the sulfuric acid that concentration is 30wt%, washes away inorganic salts residual
Thing, then wash place's neutrality with clear water.
The activated carbon yield of the embodiment is 57.2%, iodine sorption value 1004mg/g.
Embodiment 4
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 30 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 10g/L, zinc oxide concentration 50g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, lower addition activating solution is stirred, did not had bagasse to liquid level, at room temperature
Impregnate 24h, centrifugation.
(4) activate：The bagasse that centrifugation obtains is put into crucible, Muffle furnace is placed in, is warming up to 5 DEG C/min speed
550 DEG C, after being incubated 1 hour, cooling.
(5) wash：First the activated carbon that activation obtains is added in concentrated hydrochloric acid, washes away inorganic salts residue, then use clear water
It is neutral to wash place.
The activated carbon yield of the embodiment is 51.6%, iodine sorption value 1032mg/g.
Comparative example 1
It is with the difference of embodiment 4, it is 60g/L solder(ing)acid as activating solution to use concentration.
The activated carbon yield of the comparative example is 47.4%, iodine sorption value 637mg/g.
Embodiment 5
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 30 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 15g/L, zinc oxide concentration 40g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, is added it in 200mL activating solutions, after mixing thoroughly, is impregnated at room temperature
12h, filtering.
(4) activate：The bagasse being filtrated to get is put into crucible, is placed in Muffle furnace, is warming up to 5 DEG C/min speed
550 DEG C, after being incubated 1h, cooling.
(5) wash：First the activated carbon that activation obtains is added in concentrated hydrochloric acid, washes away inorganic salts residue, then use clear water
It is neutral to wash place.
The activated carbon yield of the embodiment is 53.8%, iodine sorption value 1025mg/g.
Comparative example 2
It is with the difference of embodiment 5, it is 55g/L iron nitrate aqueous solution as activating solution to use concentration.
The activated carbon yield of the comparative example is 43.1%, iodine sorption value 891mg/g.
Embodiment 6
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 30 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 15g/L, zinc oxide concentration 40g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, is added it in 200mL activating solutions, after mixing thoroughly, is impregnated at room temperature
10h, filtering.
(4) activate：The bagasse being filtrated to get is put into crucible, is placed in Muffle furnace, is warming up to 3 DEG C/min speed
600 DEG C, after being incubated 30min, cooling.
(5) wash：First the activated carbon that activation obtains is added in the sulfuric acid that concentration is 30wt%, washes away inorganic salts residual
Thing, then wash place's neutrality with clear water.
The activated carbon yield of the embodiment is 52.4%, iodine sorption value 1054mg/g.
Embodiment 7
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 50 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 25g/L, zinc oxide concentration 45g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, is added it in 300mL activating solutions, after mixing thoroughly, is impregnated at room temperature
12h, filtering.
(4) activate：The bagasse being filtrated to get is put into crucible, is placed in Muffle furnace, is warming up to 2 DEG C/min speed
650 DEG C, after being incubated 40min, cooling.
(5) wash：First the activated carbon that activation obtains is added in the hydrochloric acid that concentration is 15wt%, washes away inorganic salts residual
Thing, then wash place's neutrality with clear water.
The activated carbon yield of the embodiment is 54.7%, iodine sorption value 1036mg/g.
Embodiment 8
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 30 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 25g/L, zinc oxide concentration 35g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, is added it in 200mL activating solutions, after mixing thoroughly, is impregnated at room temperature
20h, filtering.
(4) activate：The bagasse being filtrated to get is put into crucible, is placed in Muffle furnace, is warming up to 5 DEG C/min speed
500 DEG C, after being incubated 30min, cooling.
(5) wash：First the activated carbon that activation obtains is added in the hydrochloric acid that concentration is 5wt%, washes away inorganic salts residual
Thing, then wash place's neutrality with clear water.
The activated carbon yield of the embodiment is 55.3%, iodine sorption value 1027mg/g.
Embodiment 9
(1) raw material prepares：First the bagasse waste material from sugar refinery is dried, then bagasse is crushed, crosses 10 mesh sieves, it is standby
With.
(2) preparation of activating solution：It is 30g/L, zinc oxide concentration 30g/L by iron nitrate concentration, by ferric nitrate and chlorination
Zinc is added to the water, stirring and dissolving, standby.
(3) impregnate：50g bagasse powder is taken, under stirring, activating solution is added to it, did not had bagasse, room just to liquid level
The lower dipping 30h of temperature, centrifugation.
(4) activate：The bagasse of impregnation is put into crucible, is placed in Muffle furnace, is warming up to 2 DEG C/min speed
450 DEG C, after being incubated 1.5 hours, cooling.
(5) wash：First the activated carbon that activation obtains is added in the sulfuric acid that concentration is 30wt%, washes away inorganic salts residual
Thing, then wash place's neutrality with clear water.
The activated carbon yield of the embodiment is 51.2%, iodine sorption value 1041mg/g.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of method that activated carbon is produced using bagasse, is comprised the following steps：
(1) mixed aqueous solution of bagasse ferric nitrate and zinc chloride impregnates；
(2) bagasse handled through step (1) is activated at 400~700 DEG C, obtains activated carbon.
2. the method for bagasse production activated carbon is utilized according to claim 1, it is characterised in that：Described in step (1)
In mixed aqueous solution, the concentration of ferric nitrate is 10~30g/L, and chlorination zinc concentration is 30~70g/L.
3. the method for bagasse production activated carbon is utilized according to claim 1, it is characterised in that：It is sweet described in step (1)
Bagasse is after dry and pulverization process, then is impregnated.
4. the method for bagasse production activated carbon is utilized according to claim 3, it is characterised in that：30 mesh sieves are crossed after crushing.
5. the method for bagasse production activated carbon is utilized according to claim 1, it is characterised in that：Step (1) described dipping
It is to carry out at room temperature, the time is 8~36 hours.
6. the method for bagasse production activated carbon is utilized according to claim 5, it is characterised in that：After the completion of dipping, use
Centrifugation or filter type, isolate bagasse.
7. the method for bagasse production activated carbon is utilized according to claim 1, it is characterised in that：During the activation of step (2)
Between be 0.5~2 hour.
8. the method for bagasse production activated carbon is utilized according to claim 1, it is characterised in that：Step (2) activation is completed
Afterwards, gained activated carbon is washed with water to neutrality first with acid cleaning.
9. the method for bagasse production activated carbon is utilized according to claim 1, it is characterised in that：The acid is hydrochloric acid, sulphur
Acid or nitric acid.
A kind of 10. activated carbon according to any methods described productions of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606955.5A CN107364859A (en) | 2017-07-24 | 2017-07-24 | A kind of method that activated carbon is produced using bagasse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606955.5A CN107364859A (en) | 2017-07-24 | 2017-07-24 | A kind of method that activated carbon is produced using bagasse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107364859A true CN107364859A (en) | 2017-11-21 |
Family
ID=60307601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606955.5A Pending CN107364859A (en) | 2017-07-24 | 2017-07-24 | A kind of method that activated carbon is produced using bagasse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107364859A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068962A (en) * | 2021-11-08 | 2022-02-18 | 岭南师范学院 | Iron-nitrogen-carbon composite oxygen reduction catalyst and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193223A (en) * | 2013-04-02 | 2013-07-10 | 中国矿业大学 | Controllable synthetic method of graphitized carbon spheres with hollow structure |
| CN103803547A (en) * | 2014-02-17 | 2014-05-21 | 江苏竹海活性炭有限公司 | Method for preparing food hygiene-level active carbon by use of bagasse |
| CN104925796A (en) * | 2015-06-24 | 2015-09-23 | 上海大学 | Preparation method of porous graphene |
| CN106219546A (en) * | 2016-08-09 | 2016-12-14 | 中山市天美能源科技有限公司 | A kind of bagasse active carbon and preparation method thereof |
| CN106744938A (en) * | 2016-12-17 | 2017-05-31 | 段清 | A kind of method that utilization bagasse produces decoloration active carbon high |
| CN106803595A (en) * | 2016-12-28 | 2017-06-06 | 深圳大学 | A kind of carbon-based oxygen reduction catalyst and preparation method and application |
| CN107108232A (en) * | 2014-11-04 | 2017-08-29 | 新加坡国立大学 | Activated carbon, hydro-thermal charcoal and preparation method thereof |
-
2017
- 2017-07-24 CN CN201710606955.5A patent/CN107364859A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193223A (en) * | 2013-04-02 | 2013-07-10 | 中国矿业大学 | Controllable synthetic method of graphitized carbon spheres with hollow structure |
| CN103803547A (en) * | 2014-02-17 | 2014-05-21 | 江苏竹海活性炭有限公司 | Method for preparing food hygiene-level active carbon by use of bagasse |
| CN107108232A (en) * | 2014-11-04 | 2017-08-29 | 新加坡国立大学 | Activated carbon, hydro-thermal charcoal and preparation method thereof |
| CN104925796A (en) * | 2015-06-24 | 2015-09-23 | 上海大学 | Preparation method of porous graphene |
| CN106219546A (en) * | 2016-08-09 | 2016-12-14 | 中山市天美能源科技有限公司 | A kind of bagasse active carbon and preparation method thereof |
| CN106744938A (en) * | 2016-12-17 | 2017-05-31 | 段清 | A kind of method that utilization bagasse produces decoloration active carbon high |
| CN106803595A (en) * | 2016-12-28 | 2017-06-06 | 深圳大学 | A kind of carbon-based oxygen reduction catalyst and preparation method and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068962A (en) * | 2021-11-08 | 2022-02-18 | 岭南师范学院 | Iron-nitrogen-carbon composite oxygen reduction catalyst and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103447013B (en) | A kind of preparation method of Graphene/chitosan absorbent and application process thereof | |
| CN105536700A (en) | Method for preparing magnetic biochar from straw | |
| CN106010601A (en) | Biochar prepared from banana peel, preparation method and application thereof | |
| CN105170108A (en) | Rice husk cellulose adsorbent, and preparation method and application thereof | |
| CN105080506A (en) | Preparation method and application of sodium alginate microspheres | |
| CN103641118A (en) | Production method of producing active carbon with high specific surface area by composite activator | |
| CN104326471A (en) | Method for preparing active carbon from licorice waste residue | |
| CN105289562B (en) | Heavy metal wastewater thereby recoverying and utilizing method | |
| CN104787764A (en) | Method for preparing active carbon from radix astragali waste residues | |
| CN104609420A (en) | Preparation method of rice hull-based active carbon | |
| CN104624163A (en) | Heavy metal adsorbent prepared by cactus and preparation method for heavy metal adsorbent | |
| CN103861571A (en) | Preparation method, application and regeneration method of polyaniline and titanium dioxide composite adsorbent | |
| CN102020249A (en) | Method for producing insoluble sulfur by using liquid phase method | |
| CN107413305A (en) | Polyaniline diatomite/Fe3 O4The preparation method of Chitosan Composites | |
| CN107364859A (en) | A kind of method that activated carbon is produced using bagasse | |
| CN102502628A (en) | Preparation method of granular activated carbon by chemical activation | |
| CN102872821A (en) | Composite adsorbing material for removing vanadium ions in natural water and preparation method thereof | |
| CN105498700A (en) | Bagasse mixing sludge adsorbent preparation and modification method | |
| CN102423693B (en) | Preparation and application methods of sulfur dioxide rice straw adsorbent | |
| CN104098095A (en) | Method for preparing active carbon from phenolic foam wastes | |
| CN107999029A (en) | A kind of coir fibre composite Nano ferriferous oxide heavy metal stabilizer and preparation method thereof | |
| CN108745288A (en) | A kind of magnetism oil tea shell biomass carbon and preparation method thereof | |
| CN102527362A (en) | Regeneration method of active carbon for treating decoloring process of analgin | |
| CN105692845A (en) | Preparing technology for shaddock peel natural coagulants | |
| CN107758719B (en) | A kind of environmentally friendly extracting process of high-purity ceria |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171121 |