CN108079947A - Furniture formaldehyde remover - Google Patents
Furniture formaldehyde remover Download PDFInfo
- Publication number
- CN108079947A CN108079947A CN201711270416.5A CN201711270416A CN108079947A CN 108079947 A CN108079947 A CN 108079947A CN 201711270416 A CN201711270416 A CN 201711270416A CN 108079947 A CN108079947 A CN 108079947A
- Authority
- CN
- China
- Prior art keywords
- formaldehyde
- silver
- activity charcoal
- activated carbon
- furniture
- 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.)
- Granted
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 255
- 241001571736 Lysimachia foenum-graecum Species 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000000470 constituent Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 88
- 239000003610 charcoal Substances 0.000 claims description 51
- 230000000694 effects Effects 0.000 claims description 50
- 229910052709 silver Inorganic materials 0.000 claims description 45
- 239000004332 silver Substances 0.000 claims description 45
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 3
- 244000060011 Cocos nucifera Species 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 44
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 39
- 150000001875 compounds Chemical class 0.000 description 16
- 229910052799 carbon Inorganic materials 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 14
- 229910000765 intermetallic Inorganic materials 0.000 description 13
- 238000011068 loading method Methods 0.000 description 13
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 12
- 238000001994 activation Methods 0.000 description 7
- 229940096017 silver fluoride Drugs 0.000 description 7
- REYHXKZHIMGNSE-UHFFFAOYSA-M silver monofluoride Chemical compound [F-].[Ag+] REYHXKZHIMGNSE-UHFFFAOYSA-M 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 238000010792 warming Methods 0.000 description 6
- 239000002023 wood Substances 0.000 description 5
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 2
- 239000005695 Ammonium acetate Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 2
- 229940043376 ammonium acetate Drugs 0.000 description 2
- 235000019257 ammonium acetate Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- ZXSQEZNORDWBGZ-UHFFFAOYSA-N 1,3-dihydropyrrolo[2,3-b]pyridin-2-one Chemical compound C1=CN=C2NC(=O)CC2=C1 ZXSQEZNORDWBGZ-UHFFFAOYSA-N 0.000 description 1
- 201000004624 Dermatitis Diseases 0.000 description 1
- 206010013952 Dysphonia Diseases 0.000 description 1
- 208000010473 Hoarseness Diseases 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 229910052946 acanthite Inorganic materials 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 229940116318 copper carbonate Drugs 0.000 description 1
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- 229960003280 cupric chloride Drugs 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001958 silver carbonate Inorganic materials 0.000 description 1
- LKZMBDSASOBTPN-UHFFFAOYSA-L silver carbonate Substances [Ag].[O-]C([O-])=O LKZMBDSASOBTPN-UHFFFAOYSA-L 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- FJOLTQXXWSRAIX-UHFFFAOYSA-K silver phosphate Chemical compound [Ag+].[Ag+].[Ag+].[O-]P([O-])([O-])=O FJOLTQXXWSRAIX-UHFFFAOYSA-K 0.000 description 1
- YPNVIBVEFVRZPJ-UHFFFAOYSA-L silver sulfate Chemical compound [Ag+].[Ag+].[O-]S([O-])(=O)=O YPNVIBVEFVRZPJ-UHFFFAOYSA-L 0.000 description 1
- 229910000367 silver sulfate Inorganic materials 0.000 description 1
- 229940056910 silver sulfide Drugs 0.000 description 1
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a kind of furniture formaldehyde remover, by 60 80wt% activated carbons and 20 40wt% Lysimachia foenum-graecum powder constituents.The furniture formaldehyde remover of the present invention, can effectively remove the formaldehyde gas that furniture evaporate into space.
Description
Technical field
The present invention relates to a kind of formaldehyde remover more particularly to a kind of furniture formaldehyde removers.
Background technology
The main harm of formaldehyde is shown as to mucocutaneous stimulation, when formaldehyde reaches a certain concentration indoors, people
Just there is sense of discomfort.More than 0.08m3Concentration of formaldehyde furious, eye can be caused to itch, throat discomfort or pain, hoarseness, sneeze,
Uncomfortable in chest, asthma, dermatitis etc..
Forest resourceies growing tension at present, government actively calls substitutes solid wood using wood-based plate, although wood-based plate price is low
It is honest and clean, widely used, it is to produce wood furniture and its primary raw material of interior decoration.But wood-based plate needs to use in use
Substantial amounts of glue, used glue are generally cheap urea-formaldehyde resin adhesive, and urea-formaldehyde resin adhesive is over time not
Free formaldehyde is released disconnectedly, becomes one of main source of formaldehyde in indoor air.Indoor limited space can make
Concentration of formaldehyde in room air reaches a quite high level, has been even more than tens times of national standard, seriously endangers
The health of people is arrived.
Therefore, the problem of formaldehyde removed in furniture has been extremely urgent.At present, the formaldehyde scavenger sold in the market can
Temporarily reduce the concentration of formaldehyde of environment, but be present with rebound phenomena after a period of time, can not fully erased residues of formaldehyde, Er Qiehui
Household sheet deformation is caused, causes secondary pollution.
The content of the invention
For the deficiencies in the prior art, the technical problems to be solved by the invention are to provide a kind of furniture formaldehyde and dispel
Except agent.
The present invention adopts the following technical scheme that realization：
A kind of furniture formaldehyde remover, by activated carbon and Lysimachia foenum-graecum powder constituent.
A kind of furniture formaldehyde remover, by 60-80wt% activated carbons and 20-40wt% Lysimachia foenum-graecum powder constituents.
The fineness of the Lysimachia foenum-graecum powder is 100-500 mesh.
The activated carbon is cocoanut active charcoal or coaly activated carbon.
The furniture formaldehyde removing agent prescription of the present invention is reasonable, existing natural plant component, and has chemical constituent, natural to plant
The volatile materials of object Lysimachia foenum-graecum can be reacted with formaldehyde, the two coordinative role, can effectively remove the first that furniture evaporate into space
Aldehyde gas.
Preferably,
A kind of furniture formaldehyde remover carries silver by 60-80wt% and removes formaldehyde activity charcoal and 20-40wt% Lysimachia foenum-graecum powder groups
Into.
It is further preferred that the load silver removes formaldehyde activity charcoal, it is prepared using following methods：
(1) it is acidified：Activated carbon is mixed with solid weak acid, it is dry to get souring activity charcoal；
The solid weak acid is citric acid or malic acid；
Drying temperature is 80-140 DEG C, when drying time is 4-8 small；
The mass ratio of activated carbon and solid weak acid is 50:1~100:1；
The activated carbon is cocoanut active charcoal or coaly activated carbon；
(2) silver is carried：By above-mentioned souring activity charcoal, Ag-containing compound and formaldehyde metallic compound is gone to mix, it is dry, it is carried
Active carbon of silver；
The Ag-containing compound is silver sulfide, silver sulfate, silver nitrate, silver carbonate, silver orthophosphate, silver fluoride and Tetrasilver tetroxide
At least one of；Preferably, the Ag-containing compound is that silver fluoride and Tetrasilver tetroxide by quality are 4:1-1:4 mixing and
Into；
It is described to remove formaldehyde metallic compound as anhydrous cupric chloride, ferric trichloride, basic copper carbonate, manganese nitrate and cerous nitrate
(No. CAS:At least one of 10294-41-4)；Optimal, it is ferric trichloride and cerous nitrate by matter to remove formaldehyde metallic compound
It measures as 4:1-1:4 mix；
The mass ratio of the souring activity charcoal and Ag-containing compound is 500:1~10000:1；
The souring activity charcoal and the mass ratio for removing formaldehyde metallic compound are 500:1~2000:1；
The drying temperature is 60-90 DEG C, when drying time is 1-5 small；
(3) carbonize：Above-mentioned active carbon loading silver is carbonized, obtains charing activated carbon；
Control charing negative pressure is 500-550 in 50-100Pa, charing 6-12 DEG C of heating rate/min, charing final temperature
℃；
(4) activate：Above-mentioned charing activated carbon is activated at 850-900 DEG C using vapor, the load silver for obtaining the present invention is gone
Formaldehyde activity charcoal；
Wherein, 6-12 DEG C of heating rate/min, water vapour pressure 0.1-0.3MPa, activation process 5-25 minutes, are cooled to
20-30℃。
The furniture formaldehyde remover of the present invention, health environment-friendly, the effect of formaldehyde dispelled in furniture is apparent, and easy to operate.
Specific embodiment
Embodiment 1
A kind of preparation method for carrying silver and removing formaldehyde activity charcoal, comprises the following steps：
(1) it is acidified：Coaly activated carbon is mixed with citric acid, the mass ratio of the activated carbon and citric acid is 80:1,
Be dried at 100 DEG C of temperature 6 it is small when to get souring activity charcoal；
(2) silver is carried：Above-mentioned souring activity charcoal is mixed with Tetrasilver tetroxide, the souring activity charcoal and Tetrasilver tetroxide
Mass ratio is 2000:1, be dried at 80 DEG C of temperature 3 it is small when, obtain active carbon loading silver；
(3) carbonize：Above-mentioned active carbon loading silver is carbonized, obtains charing activated carbon；
It is 80Pa to control charing negative pressure, carbonizes 10 DEG C/min of heating rate, charing final temperature control is 550 DEG C；
(4) activate：Above-mentioned charing activated carbon is activated using vapor, 10 DEG C/min of heating rate, water vapour pressure
0.2MPa is warming up to 900 DEG C, keeps the temperature, and activation process is after 15 minutes, then naturally cools to 25 DEG C to get to the present invention
Load silver remove formaldehyde activity charcoal.
Embodiment 2
A kind of preparation method for carrying silver and removing formaldehyde activity charcoal, comprises the following steps：
(1) it is acidified：Coaly activated carbon is mixed with citric acid, the mass ratio of the activated carbon and citric acid is 80:1,
Be dried at 100 DEG C of temperature 6 it is small when to get souring activity charcoal；
(2) silver is carried：Above-mentioned souring activity charcoal is mixed with silver fluoride, the mass ratio of the souring activity charcoal and silver fluoride is
2000:1, be dried at 80 DEG C of temperature 3 it is small when, obtain active carbon loading silver；
(3) carbonize：Above-mentioned active carbon loading silver is carbonized, obtains charing activated carbon；
It is 80Pa to control charing negative pressure, carbonizes 10 DEG C/min of heating rate, charing final temperature control is 550 DEG C；
(4) activate：Above-mentioned charing activated carbon is activated using vapor, 10 DEG C/min of heating rate, water vapour pressure
0.2MPa is warming up to 900 DEG C, keeps the temperature, and activation process is after 15 minutes, then naturally cools to 25 DEG C to get to the present invention
Load silver remove formaldehyde activity charcoal.
Embodiment 3
A kind of preparation method for carrying silver and removing formaldehyde activity charcoal, comprises the following steps：
(1) it is acidified：Coaly activated carbon is mixed with citric acid, the mass ratio of the activated carbon and citric acid is 80:1,
Be dried at 100 DEG C of temperature 6 it is small when to get souring activity charcoal；
(2) silver is carried：Above-mentioned souring activity charcoal is mixed with Ag-containing compound, the souring activity charcoal and Ag-containing compound
Mass ratio is 2000:1, be dried at 80 DEG C of temperature 3 it is small when, obtain active carbon loading silver；The Ag-containing compound is fluorination
It is 1 that silver and Tetrasilver tetroxide, which press quality,:1 mixes.
(3) carbonize：Above-mentioned active carbon loading silver is carbonized, obtains charing activated carbon；
It is 80Pa to control charing negative pressure, carbonizes 10 DEG C/min of heating rate, charing final temperature control is 550 DEG C；
(4) activate：Above-mentioned charing activated carbon is activated using vapor, 10 DEG C/min of heating rate, water vapour pressure
0.2MPa is warming up to 900 DEG C, keeps the temperature, and activation process is after 15 minutes, then naturally cools to 25 DEG C to get to the present invention
Load silver remove formaldehyde activity charcoal.
Embodiment 4
A kind of preparation method for carrying silver and removing formaldehyde activity charcoal, comprises the following steps：
(1) it is acidified：Coaly activated carbon is mixed with citric acid, the mass ratio of the activated carbon and citric acid is 80:1,
Be dried at 100 DEG C of temperature 6 it is small when to get souring activity charcoal.
(2) silver is carried：By above-mentioned souring activity charcoal, Ag-containing compound and formaldehyde metallic compound three is gone to mix, in temperature
Be dried at 80 DEG C 3 it is small when, obtain active carbon loading silver；
The mass ratio of the souring activity charcoal and Ag-containing compound is 2000:1,
The souring activity charcoal and the mass ratio for removing formaldehyde metallic compound are 1000:1,
The Ag-containing compound is that silver fluoride and Tetrasilver tetroxide by quality are 1:1 mixes；
It is described that remove formaldehyde metallic compound be that ferric trichloride and cerous nitrate by quality are 1:1 mixes.
(3) carbonize：Above-mentioned active carbon loading silver is carbonized, obtains charing activated carbon；
It is 80Pa to control charing negative pressure, carbonizes 10 DEG C/min of heating rate, charing final temperature control is 550 DEG C；
(4) activate：Above-mentioned charing activated carbon is activated using vapor, 10 DEG C/min of heating rate, water vapour pressure
0.2MPa is warming up to 900 DEG C, keeps the temperature, and activation process is after 15 minutes, then naturally cools to 25 DEG C to get to the present invention
Load silver remove formaldehyde activity charcoal.
Embodiment 5
A kind of preparation method for carrying silver and removing formaldehyde activity charcoal, comprises the following steps：
(1) it is acidified：Coaly activated carbon is mixed with citric acid, the mass ratio of the activated carbon and citric acid is 80:1,
Be dried at 100 DEG C of temperature 6 it is small when to get souring activity charcoal.
(2) silver is carried：By above-mentioned souring activity charcoal, Ag-containing compound and formaldehyde metallic compound three is gone to mix, in temperature
Be dried at 80 DEG C 3 it is small when, obtain active carbon loading silver；
The mass ratio of the souring activity charcoal and Ag-containing compound is 2000:1,
The souring activity charcoal and the mass ratio for removing formaldehyde metallic compound are 1000:1,
The Ag-containing compound is that silver fluoride and Tetrasilver tetroxide by quality are 1:1 mixes；
It is described to remove formaldehyde metallic compound as ferric trichloride.
(3) carbonize：Above-mentioned active carbon loading silver is carbonized, obtains charing activated carbon；
It is 80Pa to control charing negative pressure, carbonizes 10 DEG C/min of heating rate, charing final temperature control is 550 DEG C；
(4) activate：Above-mentioned charing activated carbon is activated using vapor, 10 DEG C/min of heating rate, water vapour pressure
0.2MPa is warming up to 900 DEG C, keeps the temperature, and activation process is after 15 minutes, then naturally cools to 25 DEG C to get to the present invention
Load silver remove formaldehyde activity charcoal.
Embodiment 6
A kind of preparation method for carrying silver and removing formaldehyde activity charcoal, comprises the following steps：
(1) it is acidified：Coaly activated carbon is mixed with citric acid, the mass ratio of the activated carbon and citric acid is 80:1,
Be dried at 100 DEG C of temperature 6 it is small when to get souring activity charcoal.
(2) silver is carried：By above-mentioned souring activity charcoal, Ag-containing compound and formaldehyde metallic compound three is gone to mix, in temperature
Be dried at 80 DEG C 3 it is small when, obtain active carbon loading silver；
The mass ratio of the souring activity charcoal and Ag-containing compound is 2000:1,
The souring activity charcoal and the mass ratio for removing formaldehyde metallic compound are 1000:1,
The Ag-containing compound is that silver fluoride and Tetrasilver tetroxide by quality are 1:1 mixes；
It is described to remove formaldehyde metallic compound as cerous nitrate.
(3) carbonize：Above-mentioned active carbon loading silver is carbonized, obtains charing activated carbon；
It is 80Pa to control charing negative pressure, carbonizes 10 DEG C/min of heating rate, charing final temperature control is 550 DEG C；
(4) activate：Above-mentioned charing activated carbon is activated using vapor, 10 DEG C/min of heating rate, water vapour pressure
0.2MPa is warming up to 900 DEG C, keeps the temperature, and activation process is after 15 minutes, then naturally cools to 25 DEG C to get to the present invention
Load silver remove formaldehyde activity charcoal.
Test case 1
By silver is carried described in 1g formaldehyde activity charcoal is gone to be put into 500mL confined spaces, inject the formaldehyde of 0.50 μ g.Stand 24 it is small when
Time extracts gas in confined space out, is passed through in the mixed solution of acetylacetone,2,4-pentanedione and ammonium acetate, and 60 DEG C of waters bath with thermostatic control heat 15 points
Clock surveys ultraviolet-visible spectrum after solution changes color, obtains the absorbance of sample.Then sample can be calculated according to regression equation
In contained remaining formaldehyde amount, so as to draw the content of formaldehyde adsorbed, test methods and procedures are according to GB/T 15516-
The measure acetylacetone,2,4-pentanedione spectrophotometry of 1995 air quality formaldehyde.Specific data are shown in Table 1.
Table 1：24 it is small when formaldehyde absorbing scale
| Formaldehyde absorbing amount, μ g | |
| Embodiment 1 | 0.26 |
| Embodiment 2 | 0.25 |
| Embodiment 3 | 0.31 |
| Embodiment 4 | 0.43 |
| Embodiment 5 | 0.35 |
| Embodiment 6 | 0.36 |
| Coaly activated carbon | 0.16 |
Embodiment 7
A kind of furniture formaldehyde remover is mixed by 70wt% coaly activated carbons and 30wt%300 mesh Lysimachia foenum-graecum powder.
Embodiment 8
A kind of furniture formaldehyde remover carries silver by 70wt% embodiments 1 and removes formaldehyde activity charcoal and 30wt%300 mesh Lysimachia foenum-graecums
Powder mixes.
Embodiment 9
A kind of furniture formaldehyde remover carries silver by 70wt% embodiments 2 and removes formaldehyde activity charcoal and 30wt%300 mesh Lysimachia foenum-graecums
Powder mixes.
Embodiment 10
A kind of furniture formaldehyde remover carries silver by 70wt% embodiments 3 and removes formaldehyde activity charcoal and 30wt%300 mesh Lysimachia foenum-graecums
Powder mixes.
Embodiment 11
A kind of furniture formaldehyde remover carries silver by 70wt% embodiments 4 and removes formaldehyde activity charcoal and 30wt%300 mesh Lysimachia foenum-graecums
Powder mixes.
Embodiment 12
A kind of furniture formaldehyde remover carries silver by 70wt% embodiments 5 and removes formaldehyde activity charcoal and 30wt%300 mesh Lysimachia foenum-graecums
Powder mixes.
Embodiment 13
A kind of furniture formaldehyde remover carries silver by 70wt% embodiments 6 and removes formaldehyde activity charcoal and 30wt%300 mesh Lysimachia foenum-graecums
Powder mixes.
Test case 2
Furniture formaldehyde remover described in 1g is put into 500mL confined spaces, injects the formaldehyde of 0.50 μ g.Stood 24 as a child
Gas in confined space is extracted out, is passed through in the mixed solution of acetylacetone,2,4-pentanedione and ammonium acetate, 60 DEG C of waters bath with thermostatic control are heated 15 minutes
Ultraviolet-visible spectrum is surveyed after solution changes color, obtains the absorbance of sample.Then can be calculated according to regression equation in sample
Contained remaining formaldehyde amount, so as to draw the content of formaldehyde adsorbed.Specific data are shown in Table 2.
Table 2：24 it is small when formaldehyde absorbing scale
| Formaldehyde absorbing amount, μ g | |
| Embodiment 7 | 0.20 |
| Embodiment 8 | 0.30 |
| Embodiment 9 | 0.29 |
| Embodiment 10 | 0.35 |
| Embodiment 11 | 0.46 |
| Embodiment 12 | 0.40 |
| Embodiment 13 | 0.41 |
By table 2 as it can be seen that the furniture formaldehyde remover of the present invention, with obvious effects for formaldehyde removing.
Claims (5)
1. a kind of furniture formaldehyde remover, which is characterized in that by activated carbon and Lysimachia foenum-graecum powder constituent.
2. furniture formaldehyde remover as described in claim 1, which is characterized in that by 60-80wt% activated carbons and 20-40wt%
Lysimachia foenum-graecum powder constituent.
3. furniture formaldehyde remover as described in claim 1, which is characterized in that the fineness of the Lysimachia foenum-graecum powder is 100-
500 mesh.
4. furniture formaldehyde remover as described in claim 1, which is characterized in that the activated carbon is cocoanut active charcoal or coal quality
Activated carbon.
5. the furniture formaldehyde remover as described in claim 1-4, which is characterized in that silver is carried by 60-80wt% and removes formaldehyde activity
Charcoal and 20-40wt% Lysimachia foenum-graecum powder constituents.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111672316A (en) * | 2020-05-20 | 2020-09-18 | 南京风清扬健康科技有限公司 | Composite material for removing formaldehyde for vehicle and preparation process |
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Denomination of invention: Furniture formaldehyde remover Granted publication date: 20201027 Pledgee: Hangzhou branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: Zhejiang Liju Environmental Protection Technology Co.,Ltd. Registration number: Y2024980015096 |
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