CN104353417A - Activated carbon capable of removing formaldehyde - Google Patents
Activated carbon capable of removing formaldehyde Download PDFInfo
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- CN104353417A CN104353417A CN201410617943.9A CN201410617943A CN104353417A CN 104353417 A CN104353417 A CN 104353417A CN 201410617943 A CN201410617943 A CN 201410617943A CN 104353417 A CN104353417 A CN 104353417A
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
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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
Abstract
The invention relates to the technical field of activated carbon, and particularly relates to active carbon capable of removing formaldehyde. Coaly activated carbon acts as a carrier framework material, and 0.5wt%-3wt% of basic cupric carbonate, 0.5wt%-3wt% of manganous nitrate, 0.5wt%-3wt% of cerous nitrate, 0.01wt%-0.1wt% of silver nitrate and 40wt%-60wt% of adhesive (tar) are loaded on the carrier framework material. In the process of activated carbon preparation, chemical medicines and pulverized coal are mixed directly, and then the mixture is subjected to layering, carbonization and activation, so that the activated carbon for removing formaldehyde is prepared. Compared with other preparation methods, the production cost can be lowered greatly.
Description
Technical field
The present invention relates to technical field of active carbon, be specially a kind of active carbon and the preparation method that remove formaldehyde.
Background technology
Formaldehyde (HCHO) is a kind of common room air pollution, is mainly derived from the artificial board of indoor furniture, take formaldehyde as the binder of primary raw material, and containing the other kinds ornament materials that formaldehyde components also can outwardly distribute.Formaldehyde is the material that toxicity is higher, and China's toxic chemical priority acccess control list is in second.For this situation, the technology of various improvement formaldehyde is arisen at the historic moment.The administering method of current use can be divided into Ozonation, absorption method, photocatalytic oxidation and metal oxide method roughly, and wherein absorption method has raw material extensively, simple to operate, low power consumption and other advantages.
At present, remove the material of formaldehyde for absorption method and be mostly that load different activities component is prepared from active carbon, molecular sieve high-ratio surface material, but due to few, the effective bare area of most carrying method load capacity inadequate, cost is higher, is unsuitable for extensive use.
Summary of the invention
The object of the present invention is to provide a kind of removal formaldehyde gas active carbon and preparation method thereof, be mainly used in PARA FORMALDEHYDE PRILLS(91,95) gas and effectively protect.
The present invention adopts following technical scheme to realize:
A kind of removal formaldehyde activity charcoal, adopt coal mass active carbon as carrier framework material, on it, load has 0.5% ~ 3%(weight) basic copper carbonate, 0.5% ~ 3%(weight) manganese nitrate, 0.5% ~ 3%(weight) cerous nitrate, 0.01% ~ 0.1%(weight) silver nitrate, 40% ~ 60%(weight) adhesive (tar); Wherein, be 100% calculating with the weight of coal mass active carbon.
The preparation technology of this active carbon mainly comprises moulding process, charring process, activating process, specific as follows:
1, moulding process
Raw material coal is carried out to the abrasive dust of 7 hours, the coal dust 95% after mill is by 180 object screen clothes.Then basic copper carbonate 0.5% ~ 3%, manganese nitrate 0.5% ~ 3%, cerous nitrate 0.5% ~ 3%, silver nitrate 0.01% ~ 0.1%, adhesive 40% ~ 60%(is taken by weight by the Weight computation of coal dust), the above medicine weighed up is added in kneading machine successively and fully mixes, temperature controls at 80 ~ 100 DEG C, the mixability of material is noted at any time in mixed process, after mixing of materials is even, material is taken out, putting into four fluid injection press fast carries out shaping, prepares sample (sample particle diameter is 0.9 mm).
2, charring process
Charing is the important stage that activated carbon pore structure is formed.Carbonize mainly pyrolytic process, get rid of fugitive constituent and moisture, raising charcoal granule strength in molding mass, form preliminary hole.Carbonization temperature, body of heater rotating speed etc. also has an impact to the performance of carbonized material.Carbonization condition: charing final temperature 550 DEG C, charing rotating speed 25r/min.
3, activating process
The activation of active carbon is a process of giving carbon activity, makes charcoal form loose structure.Activation is divided into two stages substantially: one is the clear hole stage, is removed by the material on carbonized material surface; Two is reaming stages, is become by aperture large gradually, or forms new hole.Activation condition: activation temperature 850 DEG C, water vapour amount 4 ~ 4.5ml/min.
The present invention by comprise basic copper carbonate, manganese nitrate, cerous nitrate, silver nitrate compound fully mix with coal dust, shaping, active carbon is prepared into through charing, activation, the metal oxide with reactivity is converted into by the above metallic compound of heat-activated, with formaldehyde generation catalytic reaction, Formaldehyde decomposition is made to be CO
2, and H
2o.
Compared with prior art, tool has the following advantages:
1, different types of coal or other materials are as raw material;
2, in the process preparing active carbon, the coal dust of milled and chemical reagent basic copper carbonate, manganese nitrate, cerous nitrate, silver nitrate, adhesive, water are carried out mixing press strip shaping, but be not limited to add other component on this basis;
3, directly select coal to be that active carbon prepared by raw material, effectively can protect formaldehyde gas, and can reduce costs.
This method be a kind of with active carbon manufacture method for source, in a certain operation, add active component, finally preparing can the cheap novel absorbent charcoal of effectively decomposing formaldehyde gas, can meet effective protection of PARA FORMALDEHYDE PRILLS(91,95) gas.The preparation of breaking formaldehyde gas protective materials is in the past all with certain material for carrier, adds one or more chemicals that chemistry or catalytic reaction occur with formaldehyde gas on this basis, makes its PARA FORMALDEHYDE PRILLS(91,95) carry out the method removed.In the process preparing active carbon, chemicals directly mixes with coal dust, then through press strip, charing, activation, prepares the active carbon except formaldehyde, compared with other preparation method, greatly can reduce production cost.
The present invention is reasonable in design, and preparation technology is simple, easy to operate, can realize mass production capabilities, and compared with impregnated carbon, weak effect is apart from little.
Detailed description of the invention
Below specific embodiments of the invention are described in detail.
embodiment1
A kind of removal formaldehyde activity charcoal, adopt coal mass active carbon as carrier framework material, on it, load has 2%(weight) basic copper carbonate, 1.5%(weight) manganese nitrate, 1.5%(weight) cerous nitrate, 0.05%(weight) silver nitrate, 50%(weight) adhesive-tar; Wherein, be 100% calculating with the weight of coal mass active carbon.
The preparation technology of this active carbon mainly comprises moulding process, charring process, activating process, specific as follows:
1, moulding process
Raw material coal (such as 100g) is carried out to the abrasive dust of 7 hours, the coal dust 95% after mill is by 180 object screen clothes.Then basic copper carbonate 2g, manganese nitrate 1.5g, cerous nitrate 1.5g, silver nitrate 0.05g, adhesive 50g is taken by weight, the above medicine weighed up is added in kneading machine successively and fully mixes, temperature controls at 80 DEG C, the mixability of material is noted at any time in mixed process, after mixing of materials is even, material is taken out, putting into four fluid injection press fast carries out shaping, prepares sample (sample particle diameter is 0.9 mm).
2, charring process
Charing is the important stage that activated carbon pore structure is formed.Carbonize mainly pyrolytic process, get rid of fugitive constituent and moisture, raising charcoal granule strength in molding mass, form preliminary hole.Carbonization temperature, body of heater rotating speed etc. also has an impact to the performance of carbonized material.Carbonization condition: charing final temperature 550 DEG C, charing rotating speed 25r/min.
3, activating process
The activation of active carbon is a process of giving carbon activity, makes charcoal form loose structure.Activation is divided into two stages substantially: one is the clear hole stage, is removed by the material on carbonized material surface; Two is reaming stages, is become by aperture large gradually, or forms new hole.Activation condition: activation temperature 850 DEG C, water vapour amount 4.5ml/min.
embodiment2
A kind of removal formaldehyde activity charcoal, adopt coal mass active carbon as carrier framework material, on it, load has 1%(weight) basic copper carbonate, 0.5%(weight) manganese nitrate, 2%(weight) cerous nitrate, 0.03%(weight) silver nitrate, 45%(weight) adhesive-tar; Wherein, be 100% calculating with the weight of coal mass active carbon.
The preparation technology of this active carbon mainly comprises moulding process, charring process, activating process, specific as follows:
1, moulding process
Raw material coal (such as 100g) is carried out to the abrasive dust of 7 hours, the coal dust 95% after mill is by 180 object screen clothes.Then basic copper carbonate 1g, manganese nitrate 0.5g, cerous nitrate 2g, silver nitrate 0.03g, adhesive 45g is taken by weight, the above medicine weighed up is added in kneading machine successively and fully mixes, temperature controls at 90 DEG C, the mixability of material is noted at any time in mixed process, after mixing of materials is even, material is taken out, putting into four fluid injection press fast carries out shaping, prepares sample (sample particle diameter is 0.9 mm).
2, charring process
Charing is the important stage that activated carbon pore structure is formed.Carbonize mainly pyrolytic process, get rid of fugitive constituent and moisture, raising charcoal granule strength in molding mass, form preliminary hole.Carbonization temperature, body of heater rotating speed etc. also has an impact to the performance of carbonized material.Carbonization condition: charing final temperature 550 DEG C, charing rotating speed 25r/min.
3, activating process
The activation of active carbon is a process of giving carbon activity, makes charcoal form loose structure.Activation is divided into two stages substantially: one is the clear hole stage, is removed by the material on carbonized material surface; Two is reaming stages, is become by aperture large gradually, or forms new hole.Activation condition: activation temperature 850 DEG C, water vapour amount 4ml/min.
embodiment3
A kind of removal formaldehyde activity charcoal, adopt coal mass active carbon as carrier framework material, on it, load has 0.5%(weight) basic copper carbonate, 3%(weight) manganese nitrate, 1%(weight) cerous nitrate, 0.01%(weight) silver nitrate, 60%(weight) adhesive-tar; Wherein, be 100% calculating with the weight of coal mass active carbon.
The preparation technology of this active carbon mainly comprises moulding process, charring process, activating process, specific as follows:
1, moulding process
Raw material coal (such as 100g) is carried out to the abrasive dust of 7 hours, the coal dust 95% after mill is by 180 object screen clothes.Then basic copper carbonate 0.5g, manganese nitrate 3g, cerous nitrate 1g, silver nitrate 0.01g, adhesive 60g is taken by weight, the above medicine weighed up is added in kneading machine successively and fully mixes, temperature controls at 100 DEG C, the mixability of material is noted at any time in mixed process, after mixing of materials is even, material is taken out, putting into four fluid injection press fast carries out shaping, prepares sample (sample particle diameter is 0.9 mm).
2, charring process
Charing is the important stage that activated carbon pore structure is formed.Carbonize mainly pyrolytic process, get rid of fugitive constituent and moisture, raising charcoal granule strength in molding mass, form preliminary hole.Carbonization temperature, body of heater rotating speed etc. also has an impact to the performance of carbonized material.Carbonization condition: charing final temperature 550 DEG C, charing rotating speed 25r/min.
3, activating process
The activation of active carbon is a process of giving carbon activity, makes charcoal form loose structure.Activation is divided into two stages substantially: one is the clear hole stage, is removed by the material on carbonized material surface; Two is reaming stages, is become by aperture large gradually, or forms new hole.Activation condition: activation temperature 850 DEG C, water vapour amount 4.5ml/min.
embodiment4
A kind of removal formaldehyde activity charcoal, adopt coal mass active carbon as carrier framework material, on it, load has 1.5%(weight) basic copper carbonate, 2.5%(weight) manganese nitrate, 3%(weight) cerous nitrate, 0.1%(weight) silver nitrate, 55%(weight) adhesive-tar; Wherein, be 100% calculating with the weight of coal mass active carbon.
The preparation technology of this active carbon mainly comprises moulding process, charring process, activating process, specific as follows:
1, moulding process
Raw material coal (such as 100g) is carried out to the abrasive dust of 7 hours, the coal dust 95% after mill is by 180 object screen clothes.Then basic copper carbonate 1.5g, manganese nitrate 2.5g, cerous nitrate 3g, silver nitrate 0.1g, adhesive 55g is taken by weight, the above medicine weighed up is added in kneading machine successively and fully mixes, temperature controls at 85 DEG C, the mixability of material is noted at any time in mixed process, after mixing of materials is even, material is taken out, putting into four fluid injection press fast carries out shaping, prepares sample (sample particle diameter is 0.9 mm).
2, charring process
Charing is the important stage that activated carbon pore structure is formed.Carbonize mainly pyrolytic process, get rid of fugitive constituent and moisture, raising charcoal granule strength in molding mass, form preliminary hole.Carbonization temperature, body of heater rotating speed etc. also has an impact to the performance of carbonized material.Carbonization condition: charing final temperature 550 DEG C, charing rotating speed 25r/min.
3, activating process
The activation of active carbon is a process of giving carbon activity, makes charcoal form loose structure.Activation is divided into two stages substantially: one is the clear hole stage, is removed by the material on carbonized material surface; Two is reaming stages, is become by aperture large gradually, or forms new hole.Activation condition: activation temperature 850 DEG C, water vapour amount 4.5ml/min.
embodiment5
A kind of removal formaldehyde activity charcoal, adopt coal mass active carbon as carrier framework material, on it, load has 3%(weight) basic copper carbonate, 1%(weight) manganese nitrate, 0.5%(weight) cerous nitrate, 0.04%(weight) silver nitrate, 40%(weight) adhesive-tar; Wherein, be 100% calculating with the weight of coal mass active carbon.
The preparation technology of this active carbon mainly comprises moulding process, charring process, activating process, specific as follows:
1, moulding process
Raw material coal (such as 100g) is carried out to the abrasive dust of 7 hours, the coal dust 95% after mill is by 180 object screen clothes.Then basic copper carbonate 3g, manganese nitrate 1g, cerous nitrate 0.5g, silver nitrate 0.07g, adhesive 40g is taken by weight, the above medicine weighed up is added in kneading machine successively and fully mixes, temperature controls at 95 DEG C, the mixability of material is noted at any time in mixed process, after mixing of materials is even, material is taken out, putting into four fluid injection press fast carries out shaping, prepares sample (sample particle diameter is 0.9 mm).
2, charring process
Charing is the important stage that activated carbon pore structure is formed.Carbonize mainly pyrolytic process, get rid of fugitive constituent and moisture, raising charcoal granule strength in molding mass, form preliminary hole.Carbonization temperature, body of heater rotating speed etc. also has an impact to the performance of carbonized material.Carbonization condition: charing final temperature 550 DEG C, charing rotating speed 25r/min.
3, activating process
The activation of active carbon is a process of giving carbon activity, makes charcoal form loose structure.Activation is divided into two stages substantially: one is the clear hole stage, is removed by the material on carbonized material surface; Two is reaming stages, is become by aperture large gradually, or forms new hole.Activation condition: activation temperature 850 DEG C, water vapour amount 4ml/min.
Claims (3)
1. remove formaldehyde activity charcoal for one kind, it is characterized in that: adopt coal mass active carbon as carrier framework material, on it, load has 0.5% ~ 3%(weight) basic copper carbonate, 0.5% ~ 3%(weight) manganese nitrate, 0.5% ~ 3%(weight) cerous nitrate, 0.01% ~ 0.1%(weight) silver nitrate, 40% ~ 60%(weight) adhesive.
2. removal formaldehyde activity charcoal according to claim 1, it is characterized in that: adopt coal mass active carbon as carrier framework material, on it, load has 2%(weight) basic copper carbonate, 1.5%(weight) manganese nitrate, 1.5%(weight) cerous nitrate, 0.05%(weight) silver nitrate, 50%(weight) adhesive.
3. removal formaldehyde activity charcoal according to claim 1 and 2, is characterized in that: described adhesive is tar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617943.9A CN104353417B (en) | 2014-11-06 | 2014-11-06 | Remove formaldehyde activity charcoal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617943.9A CN104353417B (en) | 2014-11-06 | 2014-11-06 | Remove formaldehyde activity charcoal |
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| CN104353417A true CN104353417A (en) | 2015-02-18 |
| CN104353417B CN104353417B (en) | 2016-08-17 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080470A (en) * | 2015-09-08 | 2015-11-25 | 成都中科能源环保有限公司 | Methane/carbon dioxide separating absorbent |
| CN106492751A (en) * | 2016-10-31 | 2017-03-15 | 山西新华化工有限责任公司 | Impregnated carbon of protection methacrylaldehyde and preparation method thereof |
| CN107376879A (en) * | 2017-09-19 | 2017-11-24 | 江苏科力特环保科技有限公司 | One kind removes formaldehyde activated carbon |
| CN108031435A (en) * | 2017-12-05 | 2018-05-15 | 张艺峰 | Remove the activated carbon and preparation method of formaldehyde |
| CN108079947A (en) * | 2017-12-05 | 2018-05-29 | 张艺峰 | Furniture formaldehyde remover |
| CN113800516A (en) * | 2020-06-11 | 2021-12-17 | 大同中车煤化有限公司 | Coal-based silver-loaded activated carbon and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080470A (en) * | 2015-09-08 | 2015-11-25 | 成都中科能源环保有限公司 | Methane/carbon dioxide separating absorbent |
| CN105080470B (en) * | 2015-09-08 | 2018-01-16 | 成都中科能源环保有限公司 | A kind of methane/carbon dioxide separating adsorbent |
| CN106492751A (en) * | 2016-10-31 | 2017-03-15 | 山西新华化工有限责任公司 | Impregnated carbon of protection methacrylaldehyde and preparation method thereof |
| CN107376879A (en) * | 2017-09-19 | 2017-11-24 | 江苏科力特环保科技有限公司 | One kind removes formaldehyde activated carbon |
| CN108031435A (en) * | 2017-12-05 | 2018-05-15 | 张艺峰 | Remove the activated carbon and preparation method of formaldehyde |
| CN108079947A (en) * | 2017-12-05 | 2018-05-29 | 张艺峰 | Furniture formaldehyde remover |
| CN108031435B (en) * | 2017-12-05 | 2020-09-11 | 宁夏浦士达环保科技有限公司 | Active carbon for removing formaldehyde and preparation method thereof |
| CN108079947B (en) * | 2017-12-05 | 2020-10-27 | 浙江立居环保科技有限公司 | Formaldehyde remover for furniture |
| CN113800516A (en) * | 2020-06-11 | 2021-12-17 | 大同中车煤化有限公司 | Coal-based silver-loaded activated carbon and preparation method thereof |
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| CN104353417B (en) | 2016-08-17 |
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