CN106139216A - A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials - Google Patents
A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials Download PDFInfo
- Publication number
- CN106139216A CN106139216A CN201610516943.9A CN201610516943A CN106139216A CN 106139216 A CN106139216 A CN 106139216A CN 201610516943 A CN201610516943 A CN 201610516943A CN 106139216 A CN106139216 A CN 106139216A
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- Prior art keywords
- refrigerator
- freezer
- preparation
- deodoring materials
- salt
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- 239000000463 material Substances 0.000 title claims abstract description 32
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 150000001412 amines Chemical class 0.000 claims abstract description 13
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000011715 vitamin B12 Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000011259 mixed solution Substances 0.000 claims abstract description 5
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 4
- 239000002808 molecular sieve Substances 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 4
- AGVAZMGAQJOSFJ-WZHZPDAFSA-M cobalt(2+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+2].N#[C-].[N-]([C@@H]1[C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP(O)(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O AGVAZMGAQJOSFJ-WZHZPDAFSA-M 0.000 claims abstract description 3
- 150000002815 nickel Chemical class 0.000 claims abstract description 3
- 239000011148 porous material Substances 0.000 claims abstract description 3
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 150000003751 zinc Chemical class 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 5
- 229920000768 polyamine Polymers 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 125000003368 amide group Chemical group 0.000 claims description 4
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 229960001124 trientine Drugs 0.000 claims description 2
- 235000013305 food Nutrition 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011782 vitamin Substances 0.000 abstract description 3
- 229940088594 vitamin Drugs 0.000 abstract description 3
- 229930003231 vitamin Natural products 0.000 abstract description 3
- 235000013343 vitamin Nutrition 0.000 abstract description 3
- 150000003722 vitamin derivatives Chemical class 0.000 abstract description 3
- 239000013543 active substance Substances 0.000 abstract description 2
- 230000001877 deodorizing effect Effects 0.000 abstract description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 10
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 4
- -1 thioether sulfides Chemical class 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000035943 smell Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 2
- 239000000796 flavoring agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 244000245420 ail Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000004611 garlic Nutrition 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/22—Treatment by sorption, e.g. absorption, adsorption, chemisorption, scrubbing, wet cleaning
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials, with specific surface area as 200m3/g‑2000m3The porous material of/g is as carrier, and carrier is one or more in activated carbon, molecular sieve, resin material, and carrier is carried out Chemical Pretreatment drying and crushing, is then used by fine powder and is immersed in soluble metallic salt, vitamin B12, organic amine material and auxiliary agent mixed solution in, last shaping and drying；Soluble metallic salt is one or more in silver salt, zinc salt, nickel salt；The present invention uses soluble metallic salt, vitamin, organic amine material that carrier carries out pretreatment, and under promoter effect, removes there is odorous gas in refrigerator, refrigerator-freezer more thoroughly；Improve effective contact surface of active substance, enhance deodorizing effect；Inhibit the Fast-propagation of antibacterial, slow down the corrupt speed of food, enhance fresh-keeping effect；Chemical is adsorbed, without release, non-secondary pollution.
Description
Technical field
The present invention relates to odor purification technical field in refrigerator, a kind of refrigerator, refrigerator-freezer bactericidal deodoring materials
Preparation method.
Background technology
Refrigerator, refrigerator-freezer are widely used at family, food and drink and food processing field, there will be foul odour during use,
Food safety and storage are created adverse influence, also gives people poor organoleptic impression, on the one hand these stenches are because
Food, fruit and vegerable itself that portion stores come out, such as Folium Allii tuberosi, Bulbus Allii, aquatic products etc.；Another part is because on food constantly
Produced by the decomposition of breed bacteria, the most also accelerating the rotten of food, as rotten in vegetables and fruits, prepared food is rotten；Refrigerator,
The typical stench of refrigerator-freezer has the fish fishy odor such as dimethylamine, trimethylamine, the corruption that mercaptan, hydrogen sulfide, thioether sulfides are had
Smelly, rotten egg abnormal smells from the patient, garlic flavour etc.；Listed above is only the part of refrigerator abnormal smells from the patient, and they have common feature,
Threshold value is extremely low, it is difficult to thoroughly remove foul smell.
At present, industrial used deodorization technology, all can not meet use need at the aspect such as elimination efficiency, limting concentration
Ask, it is often more important that can not in refrigerator continuous action under low temperature, higher relative humidities, be unsuitable in refrigerator, refrigerator-freezer
Remove, have research staff to attempt the technology such as ozone, plasma and be applied to deodorant for refregerator, but be limited to refrigerator safety requirements and process
Deficiency in terms of ability, still cannot be carried out actual application；For these reasons, need the deodorization technology of prior art is changed
Enter improvement, so that it is applicable to the antibacterial and deodouring of refrigerator, refrigerator-freezer.
Summary of the invention
It is an object of the invention to provide a kind of refrigerator of continuous action, refrigerator-freezer under low temperature, higher relative humidities
By the preparation method of bactericidal deodoring materials, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials, with specific surface area as 200m3/g-2000m3/ g is many
Porous materials is as carrier, and carrier is one or more in activated carbon, molecular sieve, resin material, and carrier carries out the pre-place of chemistry
Reason drying and crushing, be then used by fine powder and be immersed in soluble metallic salt, vitamin B12, organic amine material and the mixing of auxiliary agent
In solution, last shaping and drying；Soluble metallic salt is one or more in silver salt, zinc salt, nickel salt.
As the further scheme of the present invention: described soluble metal salinity is 0.01mol/L-10mol/L.
As the present invention further scheme: described vitamin B12Concentration be 0.1g/L-10g/L.
As the present invention further scheme: calculating with amido in described organic amine material, concentration is 0.1g/L-
10g/L。
As the present invention further scheme: described organic amine material is polyamines substrates matter.
As the present invention further scheme: described organic amine material is in diethylenetriamine, triethylene tetramine
One or both.
As the present invention further scheme: in described mixed solution, solid-to-liquid ratio is 0.5: 1-1: 0.5.
As the present invention further scheme: described fine powder dip time in mixed solution is 10-100min.
As the present invention further scheme: described shaping and drying temperature is 50-120 DEG C.
Compared with prior art, the invention has the beneficial effects as follows: the present invention uses soluble metallic salt, vitamin, organic
Amine substance carries out pretreatment to carrier, and under promoter effect, compares the most clear by there is odorous gas in refrigerator, refrigerator-freezer
Remove；Selection has bigger serface, porous carrier materials, makes soluble metallic salt, vitamin, organic amine material the most uniformly
Carrier is distributed, improves effective contact surface of active substance, enhance deodorizing effect；Meanwhile, the active component used
And auxiliary agent also has sterilization, bacteriostasis, it is suppressed that the Fast-propagation of antibacterial, slow down the corrupt speed of food, enhance guarantor
Fresh effect；During using refrigerator, refrigerator-freezer, produced abnormal flavour has good elimination effect, and sensory effects is obvious；To ice
Food storage in case, refrigerator-freezer, fresh-keeping improve significantly；Chemical is adsorbed, without discharging, and non-secondary pollution, can be effective
Being applicable to the antibacterial and deodouring of refrigerator, refrigerator-freezer, antibacterial effect is fine, and the persistent period is long.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials, be 1800m by specific surface area3The activated carbon powder of/g
Broken, it is 0.05mol/L at silver nitrate concentration, vitamin B12Concentration is 0.5g/L, and polyethylene polyamine class mixture concentration is (according to amine
Base calculate) be 0.5mol/L solution in, according to solid-to-liquid ratio be 0.5: 1 carry out impregnate 10min, spheroiding, at 50 DEG C dry,
To bactericidal deodoring materials sample of the present invention.
Test to stench hydrogen sulfide odor, test casing situation is: volume 1m3, hydrogen sulfide initial concentration is 150ppm；
Sample takes 15g, and wraps by Breathable nonwoven, is hung in test box body with flexible cord；Use gas in blower fan disturbance casing, and
Blow over from sample bag.Test result is: 1h after cure hydrogen concentration is 136ppm, is 120ppm, through about 20h, hydrogen sulfide after 2h
Concentration reduces to 0ppm.
Embodiment 2
A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials, be 300m by specific surface area3The molecular sieve powder of/g
Broken, it is 10mol/L at zinc oxide concentration, vitamin B12Concentration is 10g/L, and polyethylene polyamine class mixture concentration is (according to amido
Calculate) be 10mol/L solution in, be 1: 0.5 dipping 96min according to solid-to-liquid ratio, do slabbing, dry at 120 DEG C, obtain this
Invention bactericidal deodoring materials sample.
Foul gas trimethylamine, methanthiol are tested respectively, carries out according to GB GB 21551.4-2010, test
Result is, in 2h, the clearance rate to trimethylamine is 85.6%, and the clearance rate to methanthiol is 90.3%.
Embodiment 3
A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials, be 1000m by specific surface area3The resin of/g is pulverized,
It is 5mol/L at concentration of nickel sulfate, vitamin B12Concentration is 3.8g/L, and polyethylene polyamine class mixture concentration (is calculated according to amido)
For in the solution of 6mol/L, it is 1: 1 dipping 20min according to solid-to-liquid ratio, does slabbing, dry at 75 DEG C, obtain the present invention and resist
Bacterium deodoring materials sample.
Foul gas trimethylamine, methanthiol are tested respectively, carries out according to GB GB 21551.4-2010, test
Result is, in 2h, the clearance rate to trimethylamine is 94.2%, and the clearance rate to methanthiol is 91.2%.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art is possessed, it is also possible on the premise of without departing from this patent objective
Various changes can be made.
Claims (9)
1. a refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that: with specific surface area as 200m3/g-
2000m3The porous material of/g is as carrier, and carrier is one or more in activated carbon, molecular sieve, resin material, to carrier
Carry out Chemical Pretreatment drying and crushing, be then used by fine powder and be immersed in soluble metallic salt, vitamin B12, organic amine material
And in the mixed solution of auxiliary agent, last shaping and drying；Soluble metallic salt is one or more in silver salt, zinc salt, nickel salt.
Refrigerator the most according to claim 1, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that described can
Solube metallic salinity is 0.01mol/L-10mol/L.
Refrigerator the most according to claim 1, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that described dimension
The concentration of raw element B12 is 0.1g/L-10g/L.
Refrigerator the most according to claim 1, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that described in have
Calculating with amido in machine amine substance, concentration is 0.1g/L-10g/L.
Refrigerator the most according to claim 1, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that described in have
Machine amine substance is polyamines substrates matter.
Refrigerator the most according to claim 5, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that described in have
Machine amine substance is one or both in diethylenetriamine, triethylene tetramine.
Refrigerator the most according to claim 1, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that described mixed
Closing solid-to-liquid ratio in solution is 0.5: 1-1: 0.5.
Refrigerator the most according to claim 1, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that described carefully
Powder dip time in mixed solution is 10-100min.
Refrigerator the most according to claim 1, the preparation method of refrigerator-freezer bactericidal deodoring materials, it is characterised in that described one-tenth
Type baking temperature is 50-120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516943.9A CN106139216A (en) | 2016-07-01 | 2016-07-01 | A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516943.9A CN106139216A (en) | 2016-07-01 | 2016-07-01 | A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106139216A true CN106139216A (en) | 2016-11-23 |
Family
ID=58062800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610516943.9A Pending CN106139216A (en) | 2016-07-01 | 2016-07-01 | A kind of refrigerator, the preparation method of refrigerator-freezer bactericidal deodoring materials |
Country Status (1)
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| CN (1) | CN106139216A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106721931A (en) * | 2016-11-24 | 2017-05-31 | 山东美佳集团有限公司 | A kind of processing method for freezing many treasured fishes of segmentation |
| CN108246046A (en) * | 2018-01-25 | 2018-07-06 | 广州然益生物科技有限公司 | A kind of sterilizing and air-cleaning agent and its preparation method and application |
| CN114176101A (en) * | 2021-12-17 | 2022-03-15 | 富思特新材料科技发展股份有限公司 | Antibacterial deodorant and preparation method and application thereof |
| CN120004287A (en) * | 2025-04-18 | 2025-05-16 | 长春理工大学 | A method for preparing Cu-SSZ-13 molecular sieve and application of molecular sieve |
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| CN106721931B (en) * | 2016-11-24 | 2020-10-09 | 山东美佳集团有限公司 | Processing method for freezing and dividing turbot |
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Application publication date: 20161123 |