CN108479711A - A kind of preparation method for purifying the modified activated carbon of formaldehyde in air - Google Patents
A kind of preparation method for purifying the modified activated carbon of formaldehyde in air Download PDFInfo
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- CN108479711A CN108479711A CN201810261871.7A CN201810261871A CN108479711A CN 108479711 A CN108479711 A CN 108479711A CN 201810261871 A CN201810261871 A CN 201810261871A CN 108479711 A CN108479711 A CN 108479711A
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- Prior art keywords
- activated carbon
- derivative
- formaldehyde
- preparation
- modified activated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of preparation methods for purifying the modified activated carbon of formaldehyde in air, including：（1）It takes polyamines polyene and its derivative to be put into beaker, and tap water is added or distilled water is configured to certain density solution；（2）A certain amount of activated carbon is taken to be added to step（1）It is stirred in prepared solution；（3）Step will be held（2）The beaker of the mixed solution of middle preparation is placed in water-bath and heats 10 ~ 24 hours, and heating temperature is 20 ~ 50 DEG C；（4）By step（3）Mixed solution after middle heating is filtered, and obtains the activated carbon for being adsorbed with polyamines polyene and its derivative；（5）By step（4）In the activated carbon for being adsorbed with polyamines polyene and its derivative that filters out be placed in drying box dry, obtain modified activated carbon.The modified activated carbon that method using the present invention prepares has the performance of good absorption formaldehyde in air, and raw material is easy to get, and production method is simple, can be widely used in air purification field.
Description
Technical field
The present invention relates to technical field of air purification, in particular to a kind of modified activated carbons for purifying formaldehyde in air
Preparation method.
Background technology
Currently, with the gradually development of real estate industry, resident's frequency bought house of exchanging houses also is gradually increased therewith, and for
The replacement of furniture man and add also that gradually development is come therewith, still, due to newly-decorated house and furniture contain it is a large amount of
Formaldehyde, although resident has carried out prolonged ventilation drying before moving in renovated house, according to the chemistry of formaldehyde
Characteristic, residence time is longer in residential building, and formaldehyde to the smell of human body, anaphylaxis, lung function, liver function and
The immune system of human body has prodigious adverse effect, human body to be unable to Long Term Contact.If can have a kind of substance, in air
Formaldehyde have good suction-operated, then will bring prodigious benefit to our life.
Invention content
In order to solve the above technical problems, the present invention provides a kind of formaldehyde in air changing for preferable suction-operated
Property activated carbon,
Preparation method is as follows：
（1）Take polyamines polyene and its derivative to be put into beaker, and be added tap water or distilled water be configured to it is certain density
Solution；
（2）A certain amount of activated carbon is taken to be added to step（1）It is stirred in prepared solution；
（3）Step will be held（2）The beaker of the mixed solution of middle preparation is placed in water-bath and heats 10 ~ 24 hours, heating temperature
It is 20 ~ 50 DEG C；
（4）By step（3）Mixed solution after middle heating is filtered, and obtains the activity for being adsorbed with polyamines polyene and its derivative
Charcoal；
（5）By step（4）In the activated carbon for being adsorbed with polyamines polyene and its derivative that filters out be placed in drying box it is dry,
Drying temperature is 110 ~ 180 DEG C, and routine weighing obtains modified activated carbon until weight is constant in the drying process.
Above-mentioned method, wherein in the step（1）In, the polyamines polyene and its derivative be selected from triethylene tetramine,
It is one or more in diethylenetriamine and the amine-containing based compound produced using the two as raw material or amido mixture.
Above-mentioned method, wherein in the step（2）In, the iodine number of the activated carbon is 400 ~ 1200, and surface area is
200~1200 m2/g。
Above-mentioned method, wherein in the step（5）In, the content of polyamines polyene in the modified activated carbon being dried to obtain
It is 2% ~ 20%.
Compared with prior art, the present invention the advantage is that：（1）Activated carbon in the present invention is the more of various methods production
Mesoporous activated carbon, such as coconut husk, trees, coal, raw material are easy to get, low manufacture cost, utilize the porosity characteristic of activated carbon, adsorption capacity
By force；（2）Polyamines polyene is easy to get using industry and derivative is adsorbed on activated carbon surface, has both been increased for formaldehyde in air
Adsorption surface area, and absorption property can be improved, work efficiency is high.
Specific implementation mode
The present invention is described in further detail below.
Embodiment 1
A kind of preparation method for purifying the modified activated carbon of formaldehyde in air includes the following steps：
（1）Take polyamines polyene and its derivative to be put into beaker, and be added tap water or distilled water be configured to it is certain density
Solution；
（2）A certain amount of activated carbon is taken to be added to step（1）It is stirred in prepared solution；
（3）Step will be held（2）The beaker of the mixed solution of middle preparation is placed in water-bath and heats 10 ~ 24 hours, and heats temperature
Degree is set as 20 ~ 50 DEG C；
（4）By step（3）Mixed solution after heating is filtered, and obtains the activity for being adsorbed with polyamines polyene and its derivative
Charcoal；
（5）By step（4）The activated carbon for being adsorbed with polyamines polyene and its derivative filtered out be placed in drying box it is dry, and
It is 110 ~ 180 DEG C that drying temperature, which is arranged, and routine weighing obtains modified activated carbon until weight is constant in the drying process.
Step（1）In polyamines polyene and its derivative can be triethylene tetramine, diethylenetriamine and be former with the two
Expect that the compound or mixture of the various amino-containeds of production, the polyamines polyene and its derivative being put into beaker are selected from therein one
Kind is a variety of.
Step（2）The iodine number of middle activated carbon is 400 ~ 1200, and surface area is 200 ~ 1200m2/ g, step（5）Dry
To modified activated carbon in polyamines polyene content be 2% ~ 20%, this be the present invention preferred embodiment.
Embodiment 2
A kind of preparation method for purifying the modified activated carbon of formaldehyde in air includes the following steps：
（1）It takes 20g polyamines polyenes and its derivative to be put into beaker, 300ml tap water or distilled water is taken to be configured to solution；
（2）200g activated carbons are taken to be added to step（1）It is stirred in prepared solution；
（3）Step will be held（2）The beaker of the mixed solution of middle preparation is placed in water-bath and heats 24 hours, and heating temperature is set
It is set to 50 DEG C；
（4）By step（3）Mixed solution after heating is filtered, and obtains the activity for being adsorbed with polyamines polyene and its derivative
Charcoal；
（5）By step（4）The activated carbon for being adsorbed with polyamines polyene and its derivative filtered out be placed in drying box it is dry, and
It is 140 DEG C that drying temperature, which is arranged, and routine weighing obtains modified activated carbon until weight is constant in the drying process.
Step（1）In polyamines polyene and its derivative can be triethylene tetramine, diethylenetriamine and be former with the two
Expect that the compound or mixture of the various amino-containeds of production, the polyamines polyene and its derivative being put into beaker are selected from therein one
Kind is a variety of.
Step（2）The iodine number of middle activated carbon is 400 ~ 1200, and surface area is 200 ~ 1200m2/g。
Step（5）The content of polyamines polyene is 2% ~ 20% in the modified activated carbon being dried to obtain.
In conclusion compared with prior art, the present invention the advantage is that：（1）Activated carbon in the present invention is various sides
The porous activated carbon of method production, such as coconut husk, trees, coal, raw material be easy to get, low manufacture cost, using the porosity characteristic of activated carbon,
Adsorption capacity is strong；（2）Polyamines polyene is easy to get using industry and derivative is adsorbed on activated carbon surface, has both been increased for sky
The adsorption surface area of formaldehyde in gas, and absorption property can be improved, work efficiency is high.
The present invention and its embodiments have been described above, this description is not restricted.All in all if originally
The those of ordinary skill in field is enlightened by it, without departing from the spirit of the invention, is not inventively designed
Frame mode similar with the technical solution and embodiment, are within the scope of protection of the invention.
Claims (4)
1. a kind of preparation method for purifying the modified activated carbon of formaldehyde in air, which is characterized in that include the following steps：
（1）Take polyamines polyene and its derivative to be put into beaker, and be added tap water or distilled water be configured to it is certain density
Solution；
（2）A certain amount of activated carbon is taken to be added to step（1）It is stirred in prepared solution；
（3）Step will be held（2）The beaker of the mixed solution of middle preparation is placed in water-bath and heats 10 ~ 24 hours, heating temperature
It is 20 ~ 50 DEG C；
（4）By step（3）Mixed solution after middle heating is filtered, and obtains the activity for being adsorbed with polyamines polyene and its derivative
Charcoal；
（5）By step（4）In the activated carbon for being adsorbed with polyamines polyene and its derivative that filters out be placed in drying box it is dry,
Drying temperature is 110 ~ 180 DEG C, and routine weighing obtains modified activated carbon until weight is constant in the drying process.
2. a kind of preparation method for purifying the modified activated carbon of formaldehyde in air according to claim 1, feature
It is, in the step（1）In, the polyamines polyene and its derivative are selected from triethylene tetramine, diethylenetriamine and with two
Person is the amine-containing based compound or one or more in amido mixture of raw material production.
3. a kind of preparation method for purifying the modified activated carbon of formaldehyde in air according to claim 1, feature
It is, in the step（2）In, the iodine number of the activated carbon is 400 ~ 1200, and surface area is 200 ~ 1200m2/g。
4. a kind of preparation method for purifying the modified activated carbon of formaldehyde in air according to claim 1, feature
It is, in the step（5）In, the content of polyamines polyene is 2% ~ 20% in the modified activated carbon being dried to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261871.7A CN108479711A (en) | 2018-03-28 | 2018-03-28 | A kind of preparation method for purifying the modified activated carbon of formaldehyde in air |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261871.7A CN108479711A (en) | 2018-03-28 | 2018-03-28 | A kind of preparation method for purifying the modified activated carbon of formaldehyde in air |
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| CN108479711A true CN108479711A (en) | 2018-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686699A (en) * | 2019-03-13 | 2020-09-22 | 宁波方太厨具有限公司 | Formaldehyde adsorption material and preparation method thereof |
Citations (5)
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|---|---|---|---|---|
| CN101468304A (en) * | 2007-12-29 | 2009-07-01 | 中国船舶重工集团公司第七一八研究所 | Colour development methyl aldehyde adsorption material and preparation method thereof |
| CN101468305A (en) * | 2007-12-29 | 2009-07-01 | 中国船舶重工集团公司第七一八研究所 | Methyl aldehyde adsorbing substance and preparation method thereof |
| CN105056892A (en) * | 2015-07-23 | 2015-11-18 | 南通名物电子商务有限公司 | Activated carbon adsorbent capable of separating formaldehyde from air |
| WO2017070526A1 (en) * | 2015-10-22 | 2017-04-27 | Graver Technologies Llc | Treated activated carbon for removal of airborne organic and inorganic contaminants |
| CN107096512A (en) * | 2017-04-27 | 2017-08-29 | 舒尔环保科技（合肥）有限公司 | A kind of formaldehyde adsorbent and preparation method thereof |
-
2018
- 2018-03-28 CN CN201810261871.7A patent/CN108479711A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468304A (en) * | 2007-12-29 | 2009-07-01 | 中国船舶重工集团公司第七一八研究所 | Colour development methyl aldehyde adsorption material and preparation method thereof |
| CN101468305A (en) * | 2007-12-29 | 2009-07-01 | 中国船舶重工集团公司第七一八研究所 | Methyl aldehyde adsorbing substance and preparation method thereof |
| CN105056892A (en) * | 2015-07-23 | 2015-11-18 | 南通名物电子商务有限公司 | Activated carbon adsorbent capable of separating formaldehyde from air |
| WO2017070526A1 (en) * | 2015-10-22 | 2017-04-27 | Graver Technologies Llc | Treated activated carbon for removal of airborne organic and inorganic contaminants |
| CN107096512A (en) * | 2017-04-27 | 2017-08-29 | 舒尔环保科技（合肥）有限公司 | A kind of formaldehyde adsorbent and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111686699A (en) * | 2019-03-13 | 2020-09-22 | 宁波方太厨具有限公司 | Formaldehyde adsorption material and preparation method thereof |
| CN111686699B (en) * | 2019-03-13 | 2022-10-14 | 宁波方太厨具有限公司 | Formaldehyde adsorption material and preparation method thereof |
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