CN113083242A - Novel material capable of releasing negative ions and removing formaldehyde and preparation method thereof - Google Patents
Novel material capable of releasing negative ions and removing formaldehyde and preparation method thereof Download PDFInfo
- Publication number
- CN113083242A CN113083242A CN202110351769.8A CN202110351769A CN113083242A CN 113083242 A CN113083242 A CN 113083242A CN 202110351769 A CN202110351769 A CN 202110351769A CN 113083242 A CN113083242 A CN 113083242A
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- negative ions
- material capable
- new material
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 162
- 239000000463 material Substances 0.000 title claims abstract description 48
- 150000002500 ions Chemical class 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 229960000892 attapulgite Drugs 0.000 claims abstract description 59
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 59
- 239000000843 powder Substances 0.000 claims abstract description 49
- 229910052705 radium Inorganic materials 0.000 claims abstract description 17
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052613 tourmaline Inorganic materials 0.000 claims abstract description 17
- 239000011032 tourmaline Substances 0.000 claims abstract description 17
- 229940070527 tourmaline Drugs 0.000 claims abstract description 17
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 16
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000010457 zeolite Substances 0.000 claims abstract description 16
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052629 lepidolite Inorganic materials 0.000 claims abstract description 15
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims abstract description 15
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 15
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims abstract description 15
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 15
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 15
- 239000010455 vermiculite Substances 0.000 claims abstract description 15
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 229920005552 sodium lignosulfonate Polymers 0.000 claims abstract description 12
- 239000004575 stone Substances 0.000 claims abstract description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 42
- 239000011259 mixed solution Substances 0.000 claims description 28
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 16
- 238000001354 calcination Methods 0.000 claims description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- NWXHSRDXUJENGJ-UHFFFAOYSA-N calcium;magnesium;dioxido(oxo)silane Chemical compound [Mg+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O NWXHSRDXUJENGJ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052637 diopside Inorganic materials 0.000 claims description 13
- 239000010433 feldspar Substances 0.000 claims description 13
- 229940072033 potash Drugs 0.000 claims description 13
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 13
- 235000015320 potassium carbonate Nutrition 0.000 claims description 13
- 239000004408 titanium dioxide Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- 238000009210 therapy by ultrasound Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 8
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 7
- 239000005695 Ammonium acetate Substances 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 7
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 7
- 229940043376 ammonium acetate Drugs 0.000 claims description 7
- 235000019257 ammonium acetate Nutrition 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000746 purification Methods 0.000 abstract description 9
- 230000004048 modification Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 18
- 239000011148 porous material Substances 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- 238000010306 acid treatment Methods 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 239000004113 Sepiolite Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 238000005008 domestic process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
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- 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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- B01J20/048—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing phosphorus, e.g. phosphates, apatites, hydroxyapatites
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
Abstract
The invention discloses a new material capable of releasing negative ions to remove formaldehyde and a preparation method thereof, wherein the new material is prepared from the following raw materials in parts by weight: 30-45 parts of porous ceramsite, 25-35 parts of modified attapulgite, 5-10 parts of vermiculite, 3-6 parts of sierozem powder, 3-6 parts of zeolite, 3-5 parts of lepidolite, 2-3.5 parts of tourmaline powder, 1.5-3 parts of radium powder, 1.2-2 parts of sodium lignosulfonate, 0.9-1.5 parts of sodium dodecyl benzene sulfonate and 0.5-0.9 part of sodium hexametaphosphate. The novel material capable of releasing negative ions and removing formaldehyde has the effect of purifying formaldehyde and can release negative ions; by adding tourmaline powder and radium stone powder, the novel material can release negative ions to a certain degree; the porous ceramsite with excellent formaldehyde purification performance is obtained through preparation, and the formaldehyde purification effect is remarkably improved through modification of the attapulgite.
Description
Technical Field
The invention relates to the technical field of environment-friendly materials, in particular to a new material capable of releasing negative ions and removing formaldehyde and a preparation method thereof.
Background
Formaldehyde is one of the main indoor air pollutants and has strong irritation and toxicity to eyes, nasal cavities and respiratory tract mucosa tissues.
At present, the domestic methods for removing formaldehyde comprise a chemical method, an adsorption method and the like. The chemical method is to spread chemical reagent in the air or react with formaldehyde in furniture to reach the aim of eliminating formaldehyde. Because the toxic gas is released slowly, the chemical method can be completed only instantly, and the effect is not ideal. The adsorption method has the advantages of simple operation, low price, wide application range, recyclability, no energy consumption and the like, is widely used for treating low-concentration formaldehyde pollution, and the currently commonly used adsorbent is mainly natural silicate nano mineral materials, zeolite and the like.
The natural silicate nano mineral materials such as sepiolite, attapulgite, montmorillonite and the like have certain adsorption capacity on strong polar formaldehyde molecules due to the fact that the surfaces of the natural silicate nano mineral materials have acid sites and higher surface areas. However, mineral materials in untreated natural environments have problems of poor adsorption selectivity, high impurity content, few pores, a small number of surface active functional groups, and the like, and modification treatment thereof is required.
Disclosure of Invention
The invention provides a new material capable of releasing negative ions to remove formaldehyde and a preparation method thereof.
The invention adopts the following technical scheme for solving the technical problems:
a new material capable of releasing negative ions and removing formaldehyde is prepared from the following raw materials in parts by weight: 30-45 parts of porous ceramsite, 25-35 parts of modified attapulgite, 5-10 parts of vermiculite, 3-6 parts of sierozem powder, 3-6 parts of zeolite, 3-5 parts of lepidolite, 2-3.5 parts of tourmaline powder, 1.5-3 parts of radium powder, 1.2-2 parts of sodium lignosulfonate, 0.9-1.5 parts of sodium dodecyl benzene sulfonate and 0.5-0.9 part of sodium hexametaphosphate.
As a preferable scheme, the new material is prepared from the following raw materials in parts by weight: 38-43 parts of porous ceramsite, 28-33 parts of modified attapulgite, 5-8 parts of vermiculite, 3-5 parts of sierozem powder, 3-5 parts of zeolite, 3-4 parts of lepidolite, 2-3 parts of tourmaline powder, 1.5-2.2 parts of radium powder, 1.4-2 parts of sodium lignosulfonate, 0.9-1.2 parts of sodium dodecyl benzene sulfonate and 0.5-0.7 part of sodium hexametaphosphate.
As a preferable scheme, the new material is prepared from the following raw materials in parts by weight: 42.6 parts of porous ceramsite, 32 parts of modified attapulgite, 6 parts of vermiculite, 4 parts of sierozem powder, 4 parts of zeolite, 3.5 parts of lepidolite, 2.5 parts of tourmaline powder, 2 parts of radium stone powder, 1.8 parts of sodium lignin sulfonate, 1 part of sodium dodecyl benzene sulfonate and 0.6 part of sodium hexametaphosphate.
As a preferred scheme, the preparation method of the porous ceramsite comprises the following steps:
(1) respectively grinding diatomite, potash feldspar and diopside to 200-500 meshes, and weighing the following components in parts by weight: uniformly mixing 25-35 parts by weight of diopside, 20-30 parts by weight of potash feldspar and 8-20 parts by weight of diatomite to obtain a first mixture;
(2) adding the first mixture, 8-15 parts by weight of ammonium acetate, 6-10 parts by weight of aluminum sulfate and 4-8 parts by weight of silica sol into a ball mill, and mixing at the rotating speed of 300-800 rpm for 4-8 hours to obtain a second mixture; drying, and granulating the second mixture into particles with the diameter of 2-6 mm by using granulation equipment;
(3) sintering the particles at 1300-1450 ℃, and cooling to obtain a sintered body;
(4) and soaking the sintered body in mixed acid for 4-12 h, and drying to obtain the modified porous ceramsite.
The inventor of the present invention found in a great deal of research that a porous material prepared by using diopside, potash feldspar and diatomite as main raw materials and ammonium acetate, aluminum sulfate and silica sol as auxiliary raw materials has a good pore structure, and after sintering, a great number of micropores are distributed on the surface, the specific surface area is large, and the porous material has good adsorption performance.
As a preferable scheme, the weight ratio of the sintered body to the mixed acid in the step (4) is 1: 5 to 10.
As a preferable scheme, the mixed acid is prepared from concentrated sulfuric acid and concentrated nitric acid according to a weight ratio of 1: 1-4.
As a preferable scheme, the preparation method of the modified attapulgite comprises the following steps:
(11) calcining attapulgite for 3-6 h at the temperature of 420-450 ℃ to obtain calcined attapulgite;
(12) adding 6-12 parts by weight of calcined attapulgite into 20-30 parts by weight of hydrochloric acid solution, and soaking for 8-12 hours to obtain a first mixed solution;
(13) adding 2-5 parts by weight of titanium dioxide and 0.05-0.15 part by weight of silane coupling agent KH550 into 12-18 parts by weight of deionized water, and uniformly dispersing to obtain a second mixed solution;
(14) and dropwise adding the second mixed solution into the first mixed solution, performing ultrasonic treatment, filtering and drying to obtain the modified attapulgite.
The inventors found that by directly adding titanium dioxide to the formulation system, agglomeration occurs, and thus the effect of purifying air is not achieved, and thus it cannot be directly added to the formulation system.
The inventors of the present invention have found, through extensive studies, that the surface of the attapulgite can be loosened and the internal pore volume can be increased by calcining the attapulgite at 420 to 450 c, while the removal of impurities after calcination, acid treatment, provides an advantage for loading the titanium dioxide, applicants have found that if the calcination temperature is too high (i.e., the calcination temperature is greater than 450 c), the pore collapse phenomenon occurs, and if the calcination temperature is too low (i.e., the calcination temperature is higher than 420 ℃), an under-sintered state occurs, namely, the invention effectively improves the internal pore volume and reduces the crystallization degree by controlling the calcination temperature at 420-450 ℃, the expansion of the internal pore volume is beneficial to the loading of titanium dioxide, the titanium dioxide is loaded in the internal pores of the attapulgite, can effectively solve the problem of titanium dioxide agglomeration, so that the titanium dioxide agglomeration and the formaldehyde can be combined, and the purification of the formaldehyde can be obviously improved.
As a preferable scheme, the hydrochloric acid solution is 2-5 mol/L hydrochloric acid solution.
As a preferable scheme, the ultrasonic treatment power is 400-700W, and the ultrasonic treatment time is 25-50 min.
The invention also provides a preparation method of the new material capable of releasing negative ions to remove formaldehyde, which comprises the following steps:
the method comprises the steps of crushing porous ceramsite into 200-500 meshes, adding the crushed porous ceramsite, modified attapulgite, vermiculite, sierozem powder, zeolite, lepidolite, tourmaline powder and radium stone powder into a high-speed mixer, uniformly stirring, adding sodium lignosulfonate, sodium dodecyl benzene sulfonate and sodium hexametaphosphate, uniformly stirring, and grinding to 200-500 meshes to obtain the new material capable of releasing negative ions and removing formaldehyde.
The invention has the beneficial effects that: (1) the novel material capable of releasing negative ions and removing formaldehyde has the effect of purifying formaldehyde and can release negative ions; (2) according to the invention, the tourmaline powder and the radium stone powder are added, so that the new material can release negative ions to a certain extent; (3) the porous ceramsite capable of purifying formaldehyde is prepared, and the attapulgite is modified, so that the formaldehyde purification effect of the porous ceramsite is obviously improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, the parts are all parts by weight unless otherwise specified.
Example 1
A new material capable of releasing negative ions and removing formaldehyde is prepared from the following raw materials in parts by weight: 42.6 parts of porous ceramsite, 32 parts of modified attapulgite, 6 parts of vermiculite, 4 parts of sierozem powder, 4 parts of zeolite, 3.5 parts of lepidolite, 2.5 parts of tourmaline powder, 2 parts of radium stone powder, 1.8 parts of sodium lignin sulfonate, 1 part of sodium dodecyl benzene sulfonate and 0.6 part of sodium hexametaphosphate.
The preparation method of the porous ceramsite comprises the following steps:
(1) respectively grinding diatomite, potash feldspar and diopside to 400 meshes, and weighing the following components in parts by weight: uniformly mixing 32 parts by weight of diopside, 25 parts by weight of potash feldspar and 14 parts by weight of diatomite to obtain a first mixture;
(2) adding the first mixture, 10 parts by weight of ammonium acetate, 7 parts by weight of aluminum sulfate and 5 parts by weight of silica sol into a ball mill, and mixing at the rotating speed of 400rpm for 5 hours to obtain a second mixture; drying, and granulating the second mixture into particles with the diameter of 3mm by using granulation equipment;
(3) sintering the particles at 1380 deg.C, and cooling to obtain a sintered body;
(4) and soaking the sintered body in mixed acid for 8 hours, and drying to obtain the modified porous ceramsite.
The weight ratio of the sintered body to the mixed acid in the step (4) is 1: 9.
the mixed acid is prepared from concentrated sulfuric acid and concentrated nitric acid according to the weight ratio of 1: 2, and (3) preparing.
The preparation method of the modified attapulgite comprises the following steps:
(11) calcining attapulgite for 5 hours at 440 ℃ to obtain calcined attapulgite;
(12) adding 8 parts by weight of calcined attapulgite into 22 parts by weight of hydrochloric acid solution, and soaking for 10 hours to obtain a first mixed solution; the hydrochloric acid solution is 4mol/L hydrochloric acid solution;
(13) adding 4 parts by weight of titanium dioxide and 0.1 part by weight of silane coupling agent KH550 into 15.9 parts by weight of deionized water, and uniformly dispersing to obtain a second mixed solution;
(14) and dropwise adding the second mixed solution into the first mixed solution, carrying out 500W ultrasonic treatment for 40min, filtering, and drying to obtain the modified attapulgite.
The preparation method of the new material capable of releasing negative ions and removing formaldehyde comprises the following steps:
crushing the porous ceramsite into 400 meshes, adding the crushed porous ceramsite, the modified attapulgite, the vermiculite, the sierozem powder, the zeolite, the lepidolite, the tourmaline powder and the radium stone powder into a high-speed mixer, stirring uniformly, adding the sodium lignosulfonate, the sodium dodecyl benzene sulfonate and the sodium hexametaphosphate, stirring uniformly, and grinding into 400 meshes to obtain the new material capable of releasing negative ions and removing formaldehyde.
Example 2
A new material capable of releasing negative ions and removing formaldehyde is prepared from the following raw materials in parts by weight: 30 parts of porous ceramsite, 25 parts of modified attapulgite, 10 parts of vermiculite, 6 parts of sierozem powder, 3 parts of zeolite, 3 parts of lepidolite, 2 parts of tourmaline powder, 1.5 parts of radium stone powder, 1.2 parts of sodium lignosulfonate, 0.9 part of sodium dodecyl benzene sulfonate and 0.5 part of sodium hexametaphosphate.
The preparation method of the porous ceramsite comprises the following steps:
(1) respectively grinding diatomite, potash feldspar and diopside to 400 meshes, and weighing the following components in parts by weight: uniformly mixing 32 parts by weight of diopside, 25 parts by weight of potash feldspar and 14 parts by weight of diatomite to obtain a first mixture;
(2) adding the first mixture, 10 parts by weight of ammonium acetate, 7 parts by weight of aluminum sulfate and 5 parts by weight of silica sol into a ball mill, and mixing at the rotating speed of 400rpm for 5 hours to obtain a second mixture; drying, and granulating the second mixture into particles with the diameter of 3mm by using granulation equipment;
(3) sintering the particles at 1380 deg.C, and cooling to obtain a sintered body;
(4) and soaking the sintered body in mixed acid for 8 hours, and drying to obtain the modified porous ceramsite.
The weight ratio of the sintered body to the mixed acid in the step (4) is 1: 9.
the mixed acid is prepared from concentrated sulfuric acid and concentrated nitric acid according to the weight ratio of 1: 2, and (3) preparing.
The preparation method of the modified attapulgite comprises the following steps:
(11) calcining attapulgite for 5 hours at 440 ℃ to obtain calcined attapulgite;
(12) adding 8 parts by weight of calcined attapulgite into 22 parts by weight of hydrochloric acid solution, and soaking for 10 hours to obtain a first mixed solution; the hydrochloric acid solution is 4mol/L hydrochloric acid solution;
(13) adding 4 parts by weight of titanium dioxide and 0.1 part by weight of silane coupling agent KH550 into 15.9 parts by weight of deionized water, and uniformly dispersing to obtain a second mixed solution;
(14) and dropwise adding the second mixed solution into the first mixed solution, carrying out 500W ultrasonic treatment for 40min, filtering, and drying to obtain the modified attapulgite.
The preparation method of the new material capable of releasing negative ions and removing formaldehyde comprises the following steps:
crushing the porous ceramsite into 400 meshes, adding the crushed porous ceramsite, the modified attapulgite, the vermiculite, the sierozem powder, the zeolite, the lepidolite, the tourmaline powder and the radium stone powder into a high-speed mixer, stirring uniformly, adding the sodium lignosulfonate, the sodium dodecyl benzene sulfonate and the sodium hexametaphosphate, stirring uniformly, and grinding into 400 meshes to obtain the new material capable of releasing negative ions and removing formaldehyde.
Example 3
A new material capable of releasing negative ions and removing formaldehyde is prepared from the following raw materials in parts by weight: 45 parts of porous ceramsite, 35 parts of modified attapulgite, 10 parts of vermiculite, 6 parts of sierozem powder, 6 parts of zeolite, 5 parts of lepidolite, 3.5 parts of tourmaline powder, 3 parts of radium stone powder, 2 parts of sodium lignosulfonate, 1.5 parts of sodium dodecyl benzene sulfonate and 0.9 part of sodium hexametaphosphate.
The preparation method of the porous ceramsite comprises the following steps:
(1) respectively grinding diatomite, potash feldspar and diopside to 400 meshes, and weighing the following components in parts by weight: uniformly mixing 32 parts by weight of diopside, 25 parts by weight of potash feldspar and 14 parts by weight of diatomite to obtain a first mixture;
(2) adding the first mixture, 10 parts by weight of ammonium acetate, 7 parts by weight of aluminum sulfate and 5 parts by weight of silica sol into a ball mill, and mixing at the rotating speed of 400rpm for 5 hours to obtain a second mixture; drying, and granulating the second mixture into particles with the diameter of 3mm by using granulation equipment;
(3) sintering the particles at 1380 deg.C, and cooling to obtain a sintered body;
(4) and soaking the sintered body in mixed acid for 8 hours, and drying to obtain the modified porous ceramsite.
The weight ratio of the sintered body to the mixed acid in the step (4) is 1: 9.
the mixed acid is prepared from concentrated sulfuric acid and concentrated nitric acid according to the weight ratio of 1: 2, and (3) preparing.
The preparation method of the modified attapulgite comprises the following steps:
(11) calcining attapulgite for 5 hours at 440 ℃ to obtain calcined attapulgite;
(12) adding 8 parts by weight of calcined attapulgite into 22 parts by weight of hydrochloric acid solution, and soaking for 10 hours to obtain a first mixed solution; the hydrochloric acid solution is 4mol/L hydrochloric acid solution;
(13) adding 4 parts by weight of titanium dioxide and 0.1 part by weight of silane coupling agent KH550 into 15.9 parts by weight of deionized water, and uniformly dispersing to obtain a second mixed solution;
(14) and dropwise adding the second mixed solution into the first mixed solution, carrying out 500W ultrasonic treatment for 40min, filtering, and drying to obtain the modified attapulgite.
The preparation method of the new material capable of releasing negative ions and removing formaldehyde comprises the following steps:
crushing the porous ceramsite into 400 meshes, adding the crushed porous ceramsite, the modified attapulgite, the vermiculite, the sierozem powder, the zeolite, the lepidolite, the tourmaline powder and the radium stone powder into a high-speed mixer, stirring uniformly, adding the sodium lignosulfonate, the sodium dodecyl benzene sulfonate and the sodium hexametaphosphate, stirring uniformly, and grinding into 400 meshes to obtain the new material capable of releasing negative ions and removing formaldehyde.
Comparative example 1
Comparative example 1 is different from example 1 in that comparative example 1 uses attapulgite instead of modified attapulgite, and the others are the same.
Comparative example 2
Comparative example 2 is different from example 1 in that the preparation method of the modified attapulgite described in comparative example 2 is different from example 1, and in this comparative example, the calcination treatment is not used, and the others are the same.
The preparation method of the modified attapulgite comprises the following steps:
(11) adding 8 parts by weight of calcined attapulgite into 22 parts by weight of hydrochloric acid solution, and soaking for 10 hours to obtain a first mixed solution; the hydrochloric acid solution is 4mol/L hydrochloric acid solution;
(12) adding 4 parts by weight of titanium dioxide and 0.1 part by weight of silane coupling agent KH550 into 15.9 parts by weight of deionized water, and uniformly dispersing to obtain a second mixed solution;
(13) and dropwise adding the second mixed solution into the first mixed solution, carrying out 500W ultrasonic treatment for 40min, filtering, and drying to obtain the modified attapulgite.
Comparative example 3
Comparative example 3 is different from example 1 in that the modified attapulgite in comparative example 3 is prepared by a method different from example 1, and in this comparative example, zinc oxide is used instead of titanium dioxide, but the other is the same.
The preparation method of the modified attapulgite comprises the following steps:
(11) calcining attapulgite for 5 hours at 440 ℃ to obtain calcined attapulgite;
(12) adding 8 parts by weight of calcined attapulgite into 22 parts by weight of hydrochloric acid solution, and soaking for 10 hours to obtain a first mixed solution; the hydrochloric acid solution is 4mol/L hydrochloric acid solution;
(13) adding 4 parts by weight of zinc oxide and 0.1 part by weight of silane coupling agent KH550 into 15.9 parts by weight of deionized water, and uniformly dispersing to obtain a second mixed solution;
(14) and dropwise adding the second mixed solution into the first mixed solution, carrying out 500W ultrasonic treatment for 40min, filtering, and drying to obtain the modified attapulgite.
Comparative example 4
Comparative example 4 is different from example 1 in that the preparation method of the porous ceramsite described in comparative example 4 is different from example 1, i.e. in this comparative example, the mixed acid treatment is not used, and the other steps are the same.
The preparation method of the porous ceramsite comprises the following steps:
(1) respectively grinding diatomite, potash feldspar and diopside to 400 meshes, and weighing the following components in parts by weight: uniformly mixing 32 parts by weight of diopside, 25 parts by weight of potash feldspar and 14 parts by weight of diatomite to obtain a first mixture;
(2) adding the first mixture, 10 parts by weight of ammonium acetate, 7 parts by weight of aluminum sulfate and 5 parts by weight of silica sol into a ball mill, and mixing at the rotating speed of 400rpm for 5 hours to obtain a second mixture; drying, and granulating the second mixture into particles with the diameter of 3mm by using granulation equipment;
(3) sintering the granules at 1380 ℃, and cooling to obtain the porous ceramsite.
To further demonstrate the effect of the present invention, the following test methods were provided:
selecting the new materials which can release negative ions and remove formaldehyde and are described in the corresponding examples 1-3 and comparative examples 1-4, respectively putting the corresponding air purification and elimination agents into the closed 1m materials containing formaldehyde3The test box is purified, and after 24 hours, the corresponding harmful gas removal rate is tested. Wherein the initial concentration of formaldehyde is controlled to be 2.6mg/m3All three groups were tested and averaged, and the test results are shown in table 1. The formula of the removal rate is as follows: contaminant removal rate [ [ (initial concentration-final concentration) ÷ initial concentration-]×100％。
TABLE 1 Formaldehyde removal test results
As can be seen from Table 1, the novel material capable of releasing negative ions to remove formaldehyde has a good formaldehyde purification effect.
As can be seen from comparison of examples 1-3, the raw material ratio of different new materials can affect the formaldehyde purification effect, wherein example 1 is the best ratio.
Compared with the comparative examples 1 and 1-3, the invention obtains a new material with excellent formaldehyde purification performance by modifying the attapulgite, and different modification treatment methods can obviously influence the formaldehyde purification effect.
Comparing example 1 with comparative example 4, it can be seen that the porous ceramsite of the present invention can significantly improve the formaldehyde purification effect by performing an acid treatment after sintering.
In light of the foregoing description of preferred embodiments according to the invention, it is clear that many changes and modifications can be made by the person skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The new material capable of releasing negative ions and removing formaldehyde is characterized by being prepared from the following raw materials in parts by weight: 30-45 parts of porous ceramsite, 25-35 parts of modified attapulgite, 5-10 parts of vermiculite, 3-6 parts of sierozem powder, 3-6 parts of zeolite, 3-5 parts of lepidolite, 2-3.5 parts of tourmaline powder, 1.5-3 parts of radium powder, 1.2-2 parts of sodium lignosulfonate, 0.9-1.5 parts of sodium dodecyl benzene sulfonate and 0.5-0.9 part of sodium hexametaphosphate.
2. The new material capable of releasing negative ions to remove formaldehyde according to claim 1, wherein the new material is prepared from the following raw materials in parts by weight: 38-43 parts of porous ceramsite, 28-33 parts of modified attapulgite, 5-8 parts of vermiculite, 3-5 parts of sierozem powder, 3-5 parts of zeolite, 3-4 parts of lepidolite, 2-3 parts of tourmaline powder, 1.5-2.2 parts of radium powder, 1.4-2 parts of sodium lignosulfonate, 0.9-1.2 parts of sodium dodecyl benzene sulfonate and 0.5-0.7 part of sodium hexametaphosphate.
3. The new material capable of releasing negative ions to remove formaldehyde according to claim 1, wherein the new material is prepared from the following raw materials in parts by weight: 42.6 parts of porous ceramsite, 32 parts of modified attapulgite, 6 parts of vermiculite, 4 parts of sierozem powder, 4 parts of zeolite, 3.5 parts of lepidolite, 2.5 parts of tourmaline powder, 2 parts of radium stone powder, 1.8 parts of sodium lignin sulfonate, 1 part of sodium dodecyl benzene sulfonate and 0.6 part of sodium hexametaphosphate.
4. The new material capable of releasing negative ions to remove formaldehyde as claimed in claim 1, wherein the preparation method of the porous ceramsite is as follows:
(1) respectively grinding diatomite, potash feldspar and diopside to 200-500 meshes, and weighing the following components in parts by weight: uniformly mixing 25-35 parts by weight of diopside, 20-30 parts by weight of potash feldspar and 8-20 parts by weight of diatomite to obtain a first mixture;
(2) adding the first mixture, 8-15 parts by weight of ammonium acetate, 6-10 parts by weight of aluminum sulfate and 4-8 parts by weight of silica sol into a ball mill, and mixing at the rotating speed of 300-800 rpm for 4-8 hours to obtain a second mixture; drying, and granulating the second mixture into particles with the diameter of 2-6 mm by using granulation equipment;
(3) sintering the particles at 1300-1450 ℃, and cooling to obtain a sintered body;
(4) and soaking the sintered body in mixed acid for 4-12 h, and drying to obtain the modified porous ceramsite.
5. The new material capable of releasing negative ions to remove formaldehyde according to claim 4, wherein the weight ratio of the sintered body to the mixed acid in (4) is 1: 5 to 10.
6. The novel material capable of releasing negative ions to remove formaldehyde according to claim 4, wherein the mixed acid is prepared from concentrated sulfuric acid and concentrated nitric acid according to a weight ratio of 1: 1-4.
7. The new material capable of releasing negative ions to remove formaldehyde according to claim 1, wherein the preparation method of the modified attapulgite comprises the following steps:
(11) calcining attapulgite for 3-6 h at the temperature of 420-450 ℃ to obtain calcined attapulgite;
(12) adding 6-12 parts by weight of calcined attapulgite into 20-30 parts by weight of hydrochloric acid solution, and soaking for 8-12 hours to obtain a first mixed solution;
(13) adding 2-5 parts by weight of titanium dioxide and 0.05-0.15 part by weight of silane coupling agent KH550 into 12-18 parts by weight of deionized water, and uniformly dispersing to obtain a second mixed solution;
(14) and dropwise adding the second mixed solution into the first mixed solution, performing ultrasonic treatment, filtering and drying to obtain the modified attapulgite.
8. The novel material capable of releasing negative ions to remove formaldehyde according to claim 7, wherein the hydrochloric acid solution is 2-5 mol/L hydrochloric acid solution.
9. The new material capable of releasing negative ions to remove formaldehyde according to claim 7, wherein the ultrasonic treatment power is 400-700W, and the ultrasonic treatment time is 25-50 min.
10. A method for preparing a new material capable of releasing anions and removing formaldehyde is characterized in that the method is used for preparing the new material capable of releasing anions and removing formaldehyde as claimed in any one of claims 1 to 9, and comprises the following steps:
the method comprises the steps of crushing porous ceramsite into 200-500 meshes, adding the crushed porous ceramsite, modified attapulgite, vermiculite, sierozem powder, zeolite, lepidolite, tourmaline powder and radium stone powder into a high-speed mixer, uniformly stirring, adding sodium lignosulfonate, sodium dodecyl benzene sulfonate and sodium hexametaphosphate, uniformly stirring, and grinding to 200-500 meshes to obtain the new material capable of releasing negative ions and removing formaldehyde.
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| Publication number | Priority date | Publication date | Assignee | Title |
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