CN108467037A - A method of improving cocoanut active charcoal preparation efficiency - Google Patents
A method of improving cocoanut active charcoal preparation efficiency Download PDFInfo
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- CN108467037A CN108467037A CN201810666336.XA CN201810666336A CN108467037A CN 108467037 A CN108467037 A CN 108467037A CN 201810666336 A CN201810666336 A CN 201810666336A CN 108467037 A CN108467037 A CN 108467037A
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- Prior art keywords
- preparation efficiency
- active charcoal
- cocoanut active
- charcoal preparation
- method improving
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/324—Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Confectionery (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention relates to Agricultural resources and environment sustainable developments to utilize industrial field,Disclose a kind of method improving cocoanut active charcoal preparation efficiency,Pressurization heat treatment is carried out to coconut husk,Change its density and pore structure,Carbonization temperature and charing process are had studied to active carbon pore structure,The influence of microstructure and surface chemical property,Obtain best charring process,The preparation efficiency of cocoanut active charcoal can be improved 30 35% by the preparation processing method that the present invention uses,Shorten charing and soak time,Save the energy and manpower,The present invention provides a kind of a kind of effective means for realizing raising cocoanut active charcoal preparation efficiency,Process is easy to operate,It is efficient,With easy to operate,Securely and reliably,The advantages that saving the energy,Realize the comprehensive utilization to renewable resource,Comply with energy-saving and environment-friendly social development theme,It is a kind of technical solution being extremely worth of widely use.
Description
Technical field
The invention belongs to Agricultural resources and environment sustainable developments to utilize industrial technology field, and in particular to a kind of raising coconut husk
The method of activated carbon preparation efficiency.
Background technology
Agricultural resource is the general name of agricultural natural resource and agricultural economy resource.Agricultural natural resource can be with containing agricultural production
The natural environmental elements utilized, such as land resource, water resource, climate resources and living resources.Coconut originates in the Asia southeast
Portion, Indonesia to Pacific Islands.It is distributed mainly between S-23 ° of Asia, Africa, 23 ° of Latin America N, equator strand
It is regional most.Major production areas is the states such as Philippine, India, Malaysia, Sri Lanka.The all islands of southern Guangdong, China and Leizhou half
There are cultivation in island, Hainan, Taiwan and south of Yunnan torrid areas.
It is the fabulous Land use systems to coconut husk that coconut husk, which is processed into activated carbon,.It is that one kind can although coconut husk annual output is big
Regenerated resources, but resource is also limited, is now the epoch for playing energy war, how to improve cocoanut active charcoal preparation efficiency, contracts
Short soak time is a kind of urgent problem to be solved.
Invention content
The purpose of the present invention is for existing problem, providing a kind of method improving cocoanut active charcoal preparation efficiency,
The preparation efficiency of cocoanut active charcoal can be significantly improved, energy consumption is reduced.
The present invention is achieved by the following technical solutions：
A method of cocoanut active charcoal preparation efficiency is improved, is included the following steps：
（1）Coconut husk is cleaned up, sundries is removed, is dried at 120-130 DEG C to water content between 5-10%, is sent into broken
It is crushed to obtain powder in machine and be placed in heating tank, be heated to 150-160 DEG C, be passed through the mixed gas of nitrogen and argon gas, add
It is depressed into 0.65-0.68MPa, is continuously heating to 220-230 DEG C, is stablized 45-55 minutes, slow release pressure, stopping is passed through gas,
Temperature fall obtains cooling material；
（2）Cooling material is put into retort, retort is warming up to 440-450 DEG C with 6-8 DEG C/min of speed, keeps the temperature charcoal
Change 1.5-2.0 hour, be then warming up to 550-560 DEG C with 8-10 DEG C/min of speed, heat preservation carbonizes 25-35 minutes, finally with
12-15 DEG C/min of speed is cooled to 30-40 DEG C, obtains carbonized material；
（3）Carbonized material is put into tube type resistance furnace, is passed through under argon gas protection and is heated to 220-240 DEG C, 30-40 points of heat preservation activation
Clock, Temperature fall obtain being drying to obtain the activated carbon after material is rinsed using rinsing liquid in 100-110 DEG C of baking oven.
It is further described as to said program, step（1）The broken coconut husk powder particle size is in 50-
Between 100 mesh.
It is further described as to said program, step（1）The mixed gas mixed volume ratio of the nitrogen and argon gas
For 3.0-3.4:1.
It is further described as to said program, step（3）The argon flow amount is 6-8 cubes m/h.
It is further described as to said program, step（3）The rinsing liquid is time that mass concentration is 0.2-0.3%
Sodium chlorate solution, rinse temperature are 30-35 DEG C.
The present invention has the following advantages compared with prior art：In order to solve the problems, such as that existing cocoanut active charcoal preparation efficiency is low, this
Invention provide it is a kind of improve cocoanut active charcoal preparation efficiency method, pressurization heat treatment is carried out to coconut husk, change its density and
Pore structure has studied the influence of carbonization temperature and charing process to active carbon pore structure, microstructure and surface chemical property,
Best charring process is obtained, the preparation efficiency of cocoanut active charcoal can be improved 30- by the preparation processing method that the present invention uses
35%, charing and soak time are shortened, the energy and manpower are saved, the present invention provides a kind of realization raising is coconut activated
A kind of effective means of charcoal preparation efficiency, process is easy to operate, efficient, has easy to operate, securely and reliably, saves energy etc.
Advantage realizes the comprehensive utilization to renewable resource, complies with energy-saving and environment-friendly social development theme, is that one kind is extremely worth
The technical solution that must be promoted the use of.
Specific implementation mode
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, with reference to specific embodiment to this hair
It is bright to be described further, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, is not used to limit
Technical solution provided by the present invention.
Embodiment 1
A method of cocoanut active charcoal preparation efficiency is improved, is included the following steps：
（1）Coconut husk is cleaned up, sundries is removed, dries to water content between 5-10%, is sent into crusher at 120 DEG C
It is crushed to obtain powder and be placed in heating tank, be heated to 150 DEG C, be passed through the mixed gas of nitrogen and argon gas, be forced into
0.65MPa is continuously heating to 220 DEG C, stablizes 45 minutes, slow release pressure, and stopping is passed through gas, and Temperature fall is cooled down
Material；
（2）Cooling material is put into retort, retort is warming up to 440 DEG C with 6 DEG C/min of speed, and heat preservation charing 1.5 is small
When, 550 DEG C then are warming up to 8 DEG C/min of speed, heat preservation charing 25 minutes is finally cooled to 12 DEG C/min of speed
30 DEG C, obtain carbonized material；
（3）Carbonized material is put into tube type resistance furnace, is passed through under argon gas protection and is heated to 220 DEG C, heat preservation activation 30 minutes is natural
Cooling obtains being drying to obtain the activated carbon after material is rinsed using rinsing liquid in 100 DEG C of baking ovens.
It is further described as to said program, step（1）The broken coconut husk powder particle size is in 50-
Between 100 mesh.
It is further described as to said program, step（1）The mixed gas mixed volume ratio of the nitrogen and argon gas
It is 3.0:1.
It is further described as to said program, step（3）The argon flow amount is 6 cubes ms/h.
It is further described as to said program, step（3）The rinsing liquid is the hypochlorous acid that mass concentration is 0.2%
Sodium solution, rinse temperature are 30 DEG C.
Embodiment 2
A method of cocoanut active charcoal preparation efficiency is improved, is included the following steps：
（1）Coconut husk is cleaned up, sundries is removed, dries to water content between 5-10%, is sent into crusher at 125 DEG C
It is crushed to obtain powder and be placed in heating tank, be heated to 155 DEG C, be passed through the mixed gas of nitrogen and argon gas, be forced into
0.67MPa is continuously heating to 225 DEG C, stablizes 50 minutes, slow release pressure, and stopping is passed through gas, and Temperature fall is cooled down
Material；
（2）Cooling material is put into retort, retort is warming up to 445 DEG C with 7 DEG C/min of speed, and heat preservation charing 1.8 is small
When, 555 DEG C then are warming up to 9 DEG C/min of speed, heat preservation charing 30 minutes is finally cooled to 13 DEG C/min of speed
35 DEG C, obtain carbonized material；
（3）Carbonized material is put into tube type resistance furnace, is passed through under argon gas protection and is heated to 230 DEG C, heat preservation activation 35 minutes is natural
Cooling obtains being drying to obtain the activated carbon after material is rinsed using rinsing liquid in 105 DEG C of baking ovens.
It is further described as to said program, step（1）The broken coconut husk powder particle size is in 50-
Between 100 mesh.
It is further described as to said program, step（1）The mixed gas mixed volume ratio of the nitrogen and argon gas
It is 3.2:1.
It is further described as to said program, step（3）The argon flow amount is 7 cubes ms/h.
It is further described as to said program, step（3）The rinsing liquid is the hypochlorous acid that mass concentration is 0.25%
Sodium solution, rinse temperature are 33 DEG C.
Embodiment 3
A method of cocoanut active charcoal preparation efficiency is improved, is included the following steps：
（1）Coconut husk is cleaned up, sundries is removed, dries to water content between 5-10%, is sent into crusher at 130 DEG C
It is crushed to obtain powder and be placed in heating tank, be heated to 160 DEG C, be passed through the mixed gas of nitrogen and argon gas, be forced into
0.68MPa is continuously heating to 230 DEG C, stablizes 55 minutes, slow release pressure, and stopping is passed through gas, and Temperature fall is cooled down
Material；
（2）Cooling material is put into retort, retort is warming up to 450 DEG C with 8 DEG C/min of speed, and heat preservation charing 2.0 is small
When, 560 DEG C then are warming up to 10 DEG C/min of speed, heat preservation charing 35 minutes is finally cooled down with 15 DEG C/min of speed
To 40 DEG C, carbonized material is obtained；
（3）Carbonized material is put into tube type resistance furnace, is passed through under argon gas protection and is heated to 240 DEG C, heat preservation activation 40 minutes is natural
Cooling obtains being drying to obtain the activated carbon after material is rinsed using rinsing liquid in 110 DEG C of baking ovens.
It is further described as to said program, step（1）The broken coconut husk powder particle size is in 50-
Between 100 mesh.
It is further described as to said program, step（1）The mixed gas mixed volume ratio of the nitrogen and argon gas
It is 3.4:1.
It is further described as to said program, step（3）The argon flow amount is 8 cubes ms/h.
It is further described as to said program, step（3）The rinsing liquid is the hypochlorous acid that mass concentration is 0.3%
Sodium solution, rinse temperature are 35 DEG C.
Claims (5)
1. a kind of method improving cocoanut active charcoal preparation efficiency, which is characterized in that include the following steps：
（1）Coconut husk is cleaned up, sundries is removed, is dried at 120-130 DEG C to water content between 5-10%, is sent into broken
It is crushed to obtain powder in machine and be placed in heating tank, be heated to 150-160 DEG C, be passed through the mixed gas of nitrogen and argon gas, add
It is depressed into 0.65-0.68MPa, is continuously heating to 220-230 DEG C, is stablized 45-55 minutes, slow release pressure, stopping is passed through gas,
Temperature fall obtains cooling material；
（2）Cooling material is put into retort, retort is warming up to 440-450 DEG C with 6-8 DEG C/min of speed, keeps the temperature charcoal
Change 1.5-2.0 hour, be then warming up to 550-560 DEG C with 8-10 DEG C/min of speed, heat preservation carbonizes 25-35 minutes, finally with
12-15 DEG C/min of speed is cooled to 30-40 DEG C, obtains carbonized material；
（3）Carbonized material is put into tube type resistance furnace, is passed through under argon gas protection and is heated to 220-240 DEG C, 30-40 points of heat preservation activation
Clock, Temperature fall obtain being drying to obtain the activated carbon after material is rinsed using rinsing liquid in 100-110 DEG C of baking oven.
2. a kind of method improving cocoanut active charcoal preparation efficiency as described in claim 1, which is characterized in that step（1）It is described
Broken coconut husk powder particle size is between 50-100 mesh.
3. a kind of method improving cocoanut active charcoal preparation efficiency as described in claim 1, which is characterized in that step（1）It is described
The mixed gas mixed volume ratio of nitrogen and argon gas is 3.0-3.4:1.
4. a kind of method improving cocoanut active charcoal preparation efficiency as described in claim 1, which is characterized in that step（3）It is described
Argon flow amount is 6-8 cubes m/h.
5. a kind of method improving cocoanut active charcoal preparation efficiency as described in claim 1, which is characterized in that step（3）It is described
Rinsing liquid is the liquor natrii hypochloritis that mass concentration is 0.2-0.3%, and rinse temperature is 30-35 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974919A (en) * | 2019-12-23 | 2020-04-10 | 湛江寸草制药有限公司 | Navel charcoal pill as medicine carrier for navel administration at Shenque acupoint as well as preparation method and application of navel charcoal pill |
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| US20090109601A1 (en) * | 2005-09-30 | 2009-04-30 | Cataler Corporation | Carbonaceous material for electric double layer capacitor and electric double layer capacitor |
| CN103072986A (en) * | 2013-01-25 | 2013-05-01 | 中国科学院新疆理化技术研究所 | Method for preparing cotton stalk based active carbon electrode material by adopting gradient constant-temperature activation method |
| CN103496698A (en) * | 2013-10-14 | 2014-01-08 | 中国林业科学研究院林产化学工业研究所 | Method for preparing activated carbon high in specific surface area by activation in self-generated pressure |
| CN107265452A (en) * | 2017-06-22 | 2017-10-20 | 江苏浦士达环保科技股份有限公司 | A kind of preparation method of coconut husk spherical carbon |
| CN108017055A (en) * | 2017-12-29 | 2018-05-11 | 北海星石碳材料科技有限责任公司 | The method that coconut husk prepares super-activated carbon |
| CN108101053A (en) * | 2017-12-29 | 2018-06-01 | 北海星石碳材料科技有限责任公司 | The method of full Physical production ultracapacitor activated carbon |
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2018
- 2018-06-26 CN CN201810666336.XA patent/CN108467037A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090109601A1 (en) * | 2005-09-30 | 2009-04-30 | Cataler Corporation | Carbonaceous material for electric double layer capacitor and electric double layer capacitor |
| CN103072986A (en) * | 2013-01-25 | 2013-05-01 | 中国科学院新疆理化技术研究所 | Method for preparing cotton stalk based active carbon electrode material by adopting gradient constant-temperature activation method |
| CN103496698A (en) * | 2013-10-14 | 2014-01-08 | 中国林业科学研究院林产化学工业研究所 | Method for preparing activated carbon high in specific surface area by activation in self-generated pressure |
| CN107265452A (en) * | 2017-06-22 | 2017-10-20 | 江苏浦士达环保科技股份有限公司 | A kind of preparation method of coconut husk spherical carbon |
| CN108017055A (en) * | 2017-12-29 | 2018-05-11 | 北海星石碳材料科技有限责任公司 | The method that coconut husk prepares super-activated carbon |
| CN108101053A (en) * | 2017-12-29 | 2018-06-01 | 北海星石碳材料科技有限责任公司 | The method of full Physical production ultracapacitor activated carbon |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974919A (en) * | 2019-12-23 | 2020-04-10 | 湛江寸草制药有限公司 | Navel charcoal pill as medicine carrier for navel administration at Shenque acupoint as well as preparation method and application of navel charcoal pill |
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Application publication date: 20180831 |