CN106986337A - A kind of preparation method of air cleaning porous activated carbon - Google Patents
A kind of preparation method of air cleaning porous activated carbon Download PDFInfo
- Publication number
- CN106986337A CN106986337A CN201710351771.9A CN201710351771A CN106986337A CN 106986337 A CN106986337 A CN 106986337A CN 201710351771 A CN201710351771 A CN 201710351771A CN 106986337 A CN106986337 A CN 106986337A
- Authority
- CN
- China
- Prior art keywords
- parts
- activated carbon
- air cleaning
- preparation
- porous activated
- 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
- C01P2006/12—Surface area
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a kind of preparation method of air cleaning porous activated carbon, first coconut husk is dried, crushed, coconut husk particle is obtained；Coconut husk particle and maleic anhydride are taken again, and maleic anhydride, toluene di-isocyanate(TDI), 5 10 parts of diethylene glycol (DEG) and solvent are mixed; then as the charing that in tube furnace, heated up under the conditions of inert gas shielding, it is washed with deionized after charing to neutrality; dried after filtering, grinding, obtain just grain；Then by first grain and sodium acid carbonate, polyethylene glycol and water mixing are heated to seething with excitement and kept, filtering drying obtains air cleaning porous activated carbon.The activated carbon that the method that the present invention is provided is obtained has good uniform pore diameter and absorption property.
Description
Technical field
The invention belongs to activated carbon field, and in particular to a kind of preparation method of air cleaning porous activated carbon.
Background technology
Air pollution problems inherent is increasingly valued by people in recent years, and air is by a certain proportion of nitrogen, oxygen, two
The mixture of carbonoxide, vapor and solid impurity particulate composition.Various natural trends often cause the change of Atmospheric components.
The pollution of current air is mainly derived from industrial discharge, the discharge of life heating gas, this tail gas, burning etc., and these problems are
Through the normal life for increasingly influenceing people.Harm of the atmosphere pollution to human body is many, and main performance is respiratory tract
Disease and physiological function obstacle, and the mucosal tissue such as eye nose are upset and ill.In air pollutant it is dense when,
Acute pollution can be caused to be poisoned, or deteriorate symptom, or even seized in several days the life of thousands of people.In fact, even if in air
Pollutant concentration is not high, but human body breathes this air polluted year in year out, can also cause chronic bronchitis, bronchus
The diseases such as asthma, pulmonary emphysema and lung cancer.
A focus is had become for the purifying problem of air at present, the air purifier of various family expenses emerges in an endless stream,
Various purification functions are complete.And activated carbon plays its important effect as the main medium of domestic air purification.Mesh
Preceding conventional active carbon purifying is inefficient, and it is uneven to be mainly reflected in pore-size distribution, and purification absorption property is limited.
The content of the invention
It is an object of the invention to provide a kind of air cleaning porous work to overcome above the deficiencies in the prior art
Property charcoal preparation method, improve pore-size distribution and absorption property.
Technical scheme is as follows：
A kind of preparation method of air cleaning porous activated carbon, comprises the following steps：
Step 1, coconut husk is dried, crushed, obtain coconut husk particle；
Step 2,30-40 parts of coconut husk particle and 1-4 parts of maleic anhydride, maleic anhydride in parts by weight is taken
0.5-1 parts, 1-3 parts of toluene di-isocyanate(TDI), 100-150 part of 5-10 parts of diethylene glycol (DEG) and solvent are mixed, then as in tube furnace,
Heated up charing under the conditions of inert gas shielding, is washed with deionized after charing to neutrality, is dried after filtering, and grinding is obtained
First grain；
Step 3, just 1-3 parts of 10 parts of grain and sodium acid carbonate are taken, the 50-100 parts of mixing of 2-6 parts of polyethylene glycol and water are heated to
Seethe with excitement and kept for 5-10 minutes, filtering drying obtains air cleaning porous activated carbon.
Further, in the preparation method of described air cleaning porous activated carbon, step 1 crush after particle diameter be
800-1000 microns.
Further, solvent in the preparation method of described air cleaning porous activated carbon, step 2 for ethanol with it is different
The volume ratio of the mixed liquor of propyl alcohol, wherein ethanol and isopropanol is 5:1.
Further, heated up in the preparation method of described air cleaning porous activated carbon, step 2 charing heating speed
Spend for 10-12 DEG C/min, carbonization temperature is 800-1000 DEG C.
Further, the drying dried after being filtered in the preparation method of described air cleaning porous activated carbon, step 2
Temperature is 100-120 DEG C.
Further, the particle diameter after being ground in the preparation method of described air cleaning porous activated carbon, step 2 is 1-
3mm。
Further, the temperature dried in the preparation method of described air cleaning porous activated carbon, step 3 is 100
℃。
The air cleaning porous activated carbon that the preparation method that the present invention is provided is obtained has specific surface area big, pore-size distribution
Uniformly, the characteristics of absorption property is good, the uniformity of activated carbon pore size is further ensured by introducing toluene di-isocyanate(TDI), is carried
Rise the absorption property of activated carbon.
Embodiment：
Embodiment 1
A kind of preparation method of air cleaning porous activated carbon, comprises the following steps：
Step 1, coconut husk is dried, crushed, the particle diameter after crushing is 800-1000 microns, obtains coconut husk particle；
Step 2,1 part of 30 parts of coconut husk particle and maleic anhydride in parts by weight is taken, 0.5 part of maleic anhydride,
1 part of toluene di-isocyanate(TDI), 100 parts of mixing of 5 parts of diethylene glycol (DEG) and solvent, then as in tube furnace, in inert gas shielding bar
Heat up charing under part, is washed with deionized after charing to neutrality, is dried after filtering, and drying temperature is 100 DEG C, is ground to particle diameter
1-3mm, obtains just grain, and wherein solvent is the mixed liquor of ethanol and isopropanol, and the volume ratio of ethanol and isopropanol is 5:1, heating
The programming rate of charing is 10 DEG C/min, and carbonization temperature is 800 DEG C；
Step 3, just 1 part of 10 parts of grain and sodium acid carbonate are taken, the 50 parts of mixing of 2 parts of polyethylene glycol and water are heated to seething with excitement and protected
Hold 5 minutes, filtering drying, the temperature of drying is 100 DEG C, obtains air cleaning porous activated carbon.
Embodiment 2
A kind of preparation method of air cleaning porous activated carbon, comprises the following steps：
Step 1, coconut husk is dried, crushed, the particle diameter after crushing is 800-1000 microns, obtains coconut husk particle；
Step 2,2 parts of 35 parts of coconut husk particle and maleic anhydride in parts by weight is taken, 0.6 part of maleic anhydride,
2 parts of toluene di-isocyanate(TDI), 120 parts of mixing of 6 parts of diethylene glycol (DEG) and solvent, then as in tube furnace, in inert gas shielding bar
Heat up charing under part, is washed with deionized after charing to neutrality, is dried after filtering, and drying temperature is 105 DEG C, is ground to particle diameter
1-3mm, obtains just grain, and wherein solvent is the mixed liquor of ethanol and isopropanol, and the volume ratio of ethanol and isopropanol is 5:1, heating
The programming rate of charing is 11 DEG C/min, and carbonization temperature is 900 DEG C；
Step 3, just 2 parts of 10 parts of grain and sodium acid carbonate are taken, the 70 parts of mixing of 4 parts of polyethylene glycol and water are heated to seething with excitement and protected
Hold 7 minutes, filtering drying, the temperature of drying is 100 DEG C, obtains air cleaning porous activated carbon.
Embodiment 3
A kind of preparation method of air cleaning porous activated carbon, comprises the following steps：
Step 1, coconut husk is dried, crushed, the particle diameter after crushing is 800-1000 microns, obtains coconut husk particle；
Step 2,3 parts of 36 parts of coconut husk particle and maleic anhydride in parts by weight is taken, 0.8 part of maleic anhydride,
2 parts of toluene di-isocyanate(TDI), 140 parts of mixing of 7 parts of diethylene glycol (DEG) and solvent, then as in tube furnace, in inert gas shielding bar
Heat up charing under part, is washed with deionized after charing to neutrality, is dried after filtering, and drying temperature is 110 DEG C, is ground to particle diameter
1-3mm, obtains just grain, and wherein solvent is the mixed liquor of ethanol and isopropanol, and the volume ratio of ethanol and isopropanol is 5:1, heating
The programming rate of charing is 12 DEG C/min, and carbonization temperature is 900 DEG C；
Step 3, just 3 parts of 10 parts of grain and sodium acid carbonate are taken, the 90 parts of mixing of 5 parts of polyethylene glycol and water are heated to seething with excitement and protected
Hold 7 minutes, filtering drying, the temperature of drying is 100 DEG C, obtains air cleaning porous activated carbon.
Embodiment 4
A kind of preparation method of air cleaning porous activated carbon, comprises the following steps：
Step 1, coconut husk is dried, crushed, the particle diameter after crushing is 800-1000 microns, obtains coconut husk particle；
Step 2,40 parts of coconut husk particle and 4 parts of maleic anhydride, 1 part of maleic anhydride, first in parts by weight is taken
3 parts of phenylene diisocyanate, 150 parts of mixing of 10 parts of diethylene glycol (DEG) and solvent, then as in tube furnace, in inert gas shielding condition
Lower heating charing, is washed with deionized to neutrality after charing, is dried after filtering, drying temperature is 120 DEG C, is ground to particle diameter 1-
3mm, obtains just grain, and wherein solvent is the mixed liquor of ethanol and isopropanol, and the volume ratio of ethanol and isopropanol is 5:1, heat up charcoal
The programming rate of change is 12 DEG C/min, and carbonization temperature is 1000 DEG C；
Step 3, just 3 parts of 10 parts of grain and sodium acid carbonate are taken, the 100 parts of mixing of 6 parts of polyethylene glycol and water are heated to seething with excitement and protected
Hold 10 minutes, filtering drying, the temperature of drying is 100 DEG C, obtains air cleaning porous activated carbon.
Reference examples
A kind of preparation method of air cleaning porous activated carbon, comprises the following steps：
Step 1, coconut husk is dried, crushed, the particle diameter after crushing is 800-1000 microns, obtains coconut husk particle；
Step 2,3 parts of 36 parts of coconut husk particle and maleic anhydride in parts by weight is taken, 0.8 part of maleic anhydride,
140 parts of mixing of 7 parts of diethylene glycol (DEG) and solvent, then as the charing that in tube furnace, heated up under the conditions of inert gas shielding, after charing
It is washed with deionized to neutrality, is dried after filtering, drying temperature is 110 DEG C, is ground to particle diameter 1-3mm, obtains just grain, wherein
Solvent is the mixed liquor of ethanol and isopropanol, and the volume ratio of ethanol and isopropanol is 5:1, the programming rate of heating charing is 12
DEG C/min, carbonization temperature is 900 DEG C；
Step 3, just 3 parts of 10 parts of grain and sodium acid carbonate are taken, the 90 parts of mixing of 5 parts of polyethylene glycol and water are heated to seething with excitement and protected
Hold 7 minutes, filtering drying, the temperature of drying is 100 DEG C, obtains air cleaning porous activated carbon.
The air cleaning prepared to above example and reference examples carries out performance test with porous activated carbon, as a result such as
Under：
As can be seen from the above results, the air cleaning that the preparation method that the present invention is provided is obtained has with porous activated carbon
Specific surface area is big, even aperture distribution, the characteristics of absorption property is good, and reference examples are carried out on the basis of the embodiment of the present invention 3
Further improvement, wherein in preparation process 2 without add toluene di-isocyanate(TDI), as a result cause specific surface area to decline, together
When aperture distributing homogeneity be deteriorated, absorption property decline, it can be seen that the introducing of the component can function well as balancing hole
The effect of footpath size, can integrate the absorption property of lifting activated carbon.
Claims (7)
1. a kind of preparation method of air cleaning porous activated carbon, it is characterised in that comprise the following steps：
Step 1, coconut husk is dried, crushed, obtain coconut husk particle；
Step 2,30-40 parts of coconut husk particle and 1-4 parts of maleic anhydride, maleic anhydride 0.5-1 in parts by weight is taken
Part, 1-3 parts of toluene di-isocyanate(TDI), 100-150 parts of mixing of 5-10 parts of diethylene glycol (DEG) and solvent, then as in tube furnace, lazy
Property gas shield under the conditions of heat up charing, be washed with deionized after charing to neutrality, after filtering dry, grinding, obtain just grain；
Step 3, just 1-3 parts of 10 parts of grain and sodium acid carbonate are taken, the 50-100 parts of mixing of 2-6 parts of polyethylene glycol and water are heated to boiling
And kept for 5-10 minutes, filtering drying obtains air cleaning porous activated carbon.
2. the preparation method of air cleaning porous activated carbon according to claim 1, it is characterised in that powder in step 1
Particle diameter after broken is 800-1000 microns.
3. the preparation method of air cleaning porous activated carbon according to claim 1, it is characterised in that in step 2
Solvent is the mixed liquor of ethanol and isopropanol, and wherein the volume ratio of ethanol and isopropanol is 5:1.
4. the preparation method of air cleaning porous activated carbon according to claim 1, it is characterised in that risen in step 2
The programming rate of temperature charing is 10-12 DEG C/min, and carbonization temperature is 800-1000 DEG C.
5. the preparation method of air cleaning porous activated carbon according to claim 1, it is characterised in that mistake in step 2
The drying temperature dried after filter is 100-120 DEG C.
6. the preparation method of air cleaning porous activated carbon according to claim 1, it is characterised in that ground in step 2
Particle diameter after mill is 1-3mm.
7. the preparation method of air cleaning porous activated carbon according to claim 1, it is characterised in that dried in step 3
Dry temperature is 100 DEG C.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016112056007 | 2016-12-23 | ||
| CN201611205600 | 2016-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106986337A true CN106986337A (en) | 2017-07-28 |
Family
ID=59419874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710351771.9A Pending CN106986337A (en) | 2016-12-23 | 2017-05-18 | A kind of preparation method of air cleaning porous activated carbon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106986337A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081341A (en) * | 2018-09-30 | 2018-12-25 | 江苏斯沃得环保科技有限公司 | A kind of preparation method of mesoporous activated carbon |
| CN111659046A (en) * | 2020-06-15 | 2020-09-15 | 北京东瑞科技有限公司 | Protective mask |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197928A (en) * | 2015-09-30 | 2015-12-30 | 江苏通瑞环保科技发展有限公司 | Method for preparing high surface area activated carbons |
| CN105197927A (en) * | 2015-09-30 | 2015-12-30 | 江苏通瑞环保科技发展有限公司 | Preparation method of mesoporous activated carbon |
| CN105271221A (en) * | 2015-09-30 | 2016-01-27 | 江苏通瑞环保科技发展有限公司 | Method for preparing activated carbon by utilization of fruit shells |
| CN105271220A (en) * | 2015-09-30 | 2016-01-27 | 江苏通瑞环保科技发展有限公司 | Method for preparing activated carbon by utilization of crop straw |
| CN105692611A (en) * | 2016-03-21 | 2016-06-22 | 中国科学院理化技术研究所 | Preparation method of biomass activated carbon rich in nitrogen and oxygen |
| CN105883799A (en) * | 2016-04-25 | 2016-08-24 | 贵州安凯达实业股份有限公司 | Method for improving activity of activated carbon |
| CN105967182A (en) * | 2016-06-29 | 2016-09-28 | 叶安蔚 | Method for preparing activated carbon by utilizing straw |
-
2017
- 2017-05-18 CN CN201710351771.9A patent/CN106986337A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197928A (en) * | 2015-09-30 | 2015-12-30 | 江苏通瑞环保科技发展有限公司 | Method for preparing high surface area activated carbons |
| CN105197927A (en) * | 2015-09-30 | 2015-12-30 | 江苏通瑞环保科技发展有限公司 | Preparation method of mesoporous activated carbon |
| CN105271221A (en) * | 2015-09-30 | 2016-01-27 | 江苏通瑞环保科技发展有限公司 | Method for preparing activated carbon by utilization of fruit shells |
| CN105271220A (en) * | 2015-09-30 | 2016-01-27 | 江苏通瑞环保科技发展有限公司 | Method for preparing activated carbon by utilization of crop straw |
| CN105692611A (en) * | 2016-03-21 | 2016-06-22 | 中国科学院理化技术研究所 | Preparation method of biomass activated carbon rich in nitrogen and oxygen |
| CN105883799A (en) * | 2016-04-25 | 2016-08-24 | 贵州安凯达实业股份有限公司 | Method for improving activity of activated carbon |
| CN105967182A (en) * | 2016-06-29 | 2016-09-28 | 叶安蔚 | Method for preparing activated carbon by utilizing straw |
Non-Patent Citations (1)
| Title |
|---|
| 司航: "《化工产品手册·有机化工原料》", 31 January 1995 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081341A (en) * | 2018-09-30 | 2018-12-25 | 江苏斯沃得环保科技有限公司 | A kind of preparation method of mesoporous activated carbon |
| CN111659046A (en) * | 2020-06-15 | 2020-09-15 | 北京东瑞科技有限公司 | Protective mask |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Haimour et al. | Utilization of date stones for production of activated carbon using phosphoric acid | |
| EP2664375B1 (en) | Use of a porous carbon material for adsorbing viruses and/or bacteria | |
| CN102715655B (en) | Cigarette filter stick capable of reducing phenol and crotonaldehyde ingredients in cigarette smoke | |
| US10893701B2 (en) | Cellulose acetate particle aggregate, preparation method therefor and application thereof | |
| CN104275032A (en) | Tough active carbon filtration material applied to air conditioner and preparation method of tough active carbon filtration material | |
| CN106986337A (en) | A kind of preparation method of air cleaning porous activated carbon | |
| CN103830967A (en) | Composite medical stone ceramic filter element rich in trace elements | |
| CN103521178A (en) | Bamboo modified activated carbon adsorbent for treating phenolic wastewater and preparation method thereof | |
| CN110419777A (en) | A kind of preparation method of cigarette class active carbon particle | |
| CN103551122A (en) | Wheat straw powder modified active carbon adsorbent and preparation method thereof | |
| CN103831085A (en) | Compound ceramic filter element with good wearproof adsorbing property and preparation method of filter element | |
| CN109092245A (en) | A kind of tripolite loading carbon nanotube adsorption agent and preparation method thereof | |
| CN103830963A (en) | Economical and durable antibiosis ceramic filter element and preparation method thereof | |
| CN109757769A (en) | A kind of paper filter stick containing ceramic material | |
| CN103833411A (en) | Ceramic filter element added with carbon nano tube and preparation method thereof | |
| CN108285134A (en) | A kind of preparation method of biology based composite material of carbon | |
| CN105731455B (en) | A kind of method that activated carbon is prepared in the residue from Chinese medicine | |
| CN107265452A (en) | A kind of preparation method of coconut husk spherical carbon | |
| CN102172297B (en) | Method for preparing cigarette adsorbing material by virtue of tobacco stalk nano-crystallization and application thereof | |
| CN108704615A (en) | A kind of acticarbon and preparation method thereof | |
| CN106666825B (en) | A kind of cigarette filter rod preparation method for adding yew plants particle | |
| CN107199015A (en) | A kind of preparation method of sepiolite base volume cigarette filter tip adsorbent | |
| CN102396780B (en) | Selective harm-reducing cigarette and preparation method thereof | |
| CN107188168A (en) | A kind of graphene material for air purification and preparation method thereof | |
| CN106820261A (en) | A kind of filter tip for selecting to adsorb BaP and phenol in cigarette smoke |
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: 20170728 |