CN108975772B - High-efficient formaldehyde diatomaceous earth wall material that removes - Google Patents
High-efficient formaldehyde diatomaceous earth wall material that removes Download PDFInfo
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- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
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Abstract
The invention discloses a diatomite wall material for efficiently removing formaldehyde, belonging to the field of building materials. The invention uses freezing and unfreezing to circularly process the mixture of limestone powder and water, generates pressure on the pore structure of limestone, and leads the limestone to be cracked into pretreated limestone with a porous structure, oyster mushroom bran contains active groups such as carboxyl, amide and the like and urea to be matched for adsorbing formaldehyde, thereby greatly improving the adsorption and storage effects on the formaldehyde3NH2The intermediate beta-aminoketone compound of a plurality of natural medicines is generated, and the bacteriostatic effect is slowly exerted. The invention solves the problem that the conventional diatomite wall material only has an adsorption effect on the treatment effect of formaldehyde and cannot effectively convert and decompose the formaldehyde.
Description
Technical Field
The invention belongs to the field of building materials, and particularly relates to a diatomite wall material capable of efficiently removing formaldehyde.
Background
As is well known, the construction of a wall body is particularly important after finishing a household blank in the field of building and home furnishing, so that a wall material can be selected. The wall material is a material for treating a common mortar surface in wall painting construction. Today people are faced with not only possible pollution in public places but also pollution from private persons and even the human body itself. Therefore, in the age of increasing various canceration symptoms, the "green revolution" becomes a necessary choice for ensuring ecological balance and ecological stability. However, the existing decoration materials contain organic chemical glue or adhesive partially, contain pollutants harmful to human bodies, and seriously threaten the health of people, because decoration pollution causes frequent phenomena of physical discomfort such as dizziness and nausea of residents, and serious residents seriously threaten the life safety of the residents.
With the improvement of living standard, the requirements of people on decoration are higher and higher. People have to put forward higher requirements on 'wall materials' when pursuing high-grade decoration effect. The diatom ooze is a novel wall material taking diatomite as a main raw material, is a water-soluble powdery decorative coating, has the main functional material of diatomite formed by depositing diatom plants in oceans or lakes under the action of natural environment, has the physical properties of fineness, looseness, light weight, porosity, strong water absorption, strong permeability and the like, can effectively adsorb free formaldehyde, benzene, ammonia and other harmful substances in the air, can purify the peculiar smell generated by pets, smoking, garbage and the like in the air, is easy to construct, and is suitable for wall body and shed roof decoration. Therefore, the diatom ooze is combined with the traditional interior wall decoration material to prepare a decoration building material product with both decoration effect and environmental protection and health function, which becomes a new favorite in the decoration building material market and is deeply favored by the market.
In the traditional technology, most diatom ooze wall materials take nano titanium dioxide as a photocatalyst, and catalytically desorb the harmful substances in the diatom ooze wall materials under the illumination condition, most of the diatom ooze wall materials can only adsorb the harmful substances, the capability of decomposing the harmful substances is weak, and the urgent requirements of people on the lasting and efficient adsorption and decomposition of the harmful substances such as formaldehyde and the like are difficult to meet. Therefore, a diatomite wall material for efficiently removing formaldehyde needs to be developed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problem that the existing common diatomite wall material only has adsorption effect on the treatment effect of formaldehyde and cannot effectively convert and decompose the formaldehyde, the diatomite wall material for efficiently removing the formaldehyde is provided.
In order to solve the technical problems, the invention adopts the following technical scheme:
the diatomite wall material capable of efficiently removing formaldehyde comprises the following components: 40-60 parts of diatomite, 15-25 parts of acetone and 6-15 parts of CH3NH20.01-0.03 parts of sulfamic acid, 2-5 parts of mildew preventive and 1-4 parts of binder, and is characterized by further comprising: 20-45 parts of composite crab shell treatment substance and 18-25 parts of composite adsorption component.
The preparation method of the composite crab shell treatment substance comprises the following steps:
(1) washing crab shells, drying, crushing and sieving, and taking sieved particles according to a mass ratio of 1: 0.1-0.3: 15, adding auxiliary materials and the reagent A, mixing and stirring, filtering, and taking a filter cake according to a mass ratio of 1: 4-7, adding a citric acid solution, mixing, and performing ultrasonic treatment to obtain a crab shell treatment substance;
(2) inoculating the pasteuria bacillus powder into an activation culture medium according to the inoculation amount of 6%, performing shake culture at 28-32 ℃ to obtain an activated bacterium solution, and taking 2-5 parts of FeSO according to the parts by weight4·7H2O, 0.1-0.3 part of KH2PO40.1 to 0.3 part of K2HPO4Mixing 2-5 parts of casein, 1-4 parts of activated bacterium liquid, 10-15 parts of crab shell treatment substance and 500-600 parts of water, performing closed fermentation at 28-32 ℃ to obtain crab shell fermentation liquid, and taking the crab shell fermentation liquid according to the mass ratio of 10: 1-3: 1: 2 adding sodium humate and nano TiO2And mixing the reagent B to obtain the composite crab shell treatment product.
The auxiliary materials in the step (1) are as follows: according to the mass ratio of 12-16: 0.1 mixing sodium bicarbonate and diethylamine to obtain adjuvant.
The reagent A in the step (1): according to the mass ratio of 10: and 2-4, mixing absolute ethyl alcohol and urea to obtain a reagent A.
The activation medium in the step (2): taking 20-30 parts of potato, 3-6 parts of casein and 0.1-0.3 part of Na in parts by weight2HPO40.1 to 0.3 portion of Na2HPO4Mixing 10-15 parts of glucose and 800-1000 parts of water, and sterilizing to obtain the activated culture medium.
The reagent B in the step (2): according to the mass ratio of 8-12: 1 mixing PBS buffer solution and glacial acetic acid to obtain a reagent B.
The preparation method of the composite adsorption component comprises the following steps:
s1, crushing and sieving limestone powder to obtain limestone powder, wherein the mass ratio of sieved particles is 1: 5-8, adding water, mixing, freezing, thawing, circulating for 4-6 times, collecting materials thawed in the last time, and freeze-drying to obtain pretreated limestone;
s2, drying oyster mushroom bran in an oven at 80-100 ℃ to constant weight, transferring to a crusher to crush and pass through a 100-mesh sieve, sterilizing sieved particles in steam at 1-3 MPa to obtain pretreated mushroom dregs, and taking mushroom dregs according to the mass ratio of 5: 12-18, adding a reagent C, mixing, stirring for 30-45 min at a speed of 400-600 r/min, performing rotary evaporation at a temperature of 60-80 ℃, and performing reduced pressure concentration until the water content is below 5% to obtain a concentrate, wherein the concentrate is prepared by mixing the following components in a mass ratio of 1: 3-5, adding the pretreated limestone, and uniformly mixing to obtain the composite adsorption component.
Reagent C in step S2: according to the mass ratio of 1: 0.3: 12-18 taking dopamine hydrochloride, urea and Na with the concentration of 0.1mol/L2CO3And mixing the solutions to obtain a reagent C.
The mildew preventive comprises the following components: according to the mass ratio of 1: and 2-4, mixing sodium benzoate and o-phenylphenol to obtain the mildew preventive.
The adhesive is as follows: according to the mass ratio of 5: 1-3: 1 mixing sodium alginate, guar gum and microcrystalline cellulose to obtain the binder.
Compared with other methods, the method has the beneficial technical effects that:
(1) the invention uses freezing and unfreezing to circularly treat the mixture of limestone powder and water, firstly, water permeates into a limestone pore structure, the freezing process reduces the freezing density of the water, the volume expansion is realized, the pressure is generated on the limestone pore structure, the pore is widened, the unfrozen water further permeates into the pore structure, along with the freezing and unfreezing circulation, the pore is gradually increased and deepened, the number of isolated pores is reduced, the limestone is cracked into the pretreated limestone with a porous structure, the increase and deepening of the pore structure are favorable for being matched with other components, the gas partial pressure at the inner pore is reduced, the diffusion of formaldehyde to the reaction interface inside the diatomite wall material is improved, the oyster mushroom bran contains active groups such as carboxyl, amide and the like, and is matched with urea to adsorb the formaldehyde, the adsorption and storage effects on the formaldehyde are greatly improved, the conversion of the formaldehyde is further facilitated, and the water is further introduced into the pore, Decomposing;
(2) the crab shell is taken as a raw material, the chitin and various mineral elements in the crab shell are dissolved out through crushing, reagent soaking and ultrasonic treatment, a diatomite wall material can be filled, formaldehyde is covalently adsorbed, particularly a positive charge fiber structure in the chitin can form a layer of film in the system, the degradation effect on the formaldehyde can be formed, and the added nano TiO can be used for degrading the formaldehyde2The diatomite is matched to improve the specific surface area and enhance the electron-hole recombination characteristic, and formaldehyde can be effectively adsorbed and degraded into CO2Greatly enhances the treatment effect on formaldehyde, TiO2Has antibacterial and antiseptic effects, and contains acetone and CH3NH2Can generate Mannich reaction with formaldehyde under the catalysis of sulfamic acid to generate beta-aminoketone compounds as intermediates of a plurality of natural medicinesThe antibacterial agent can slowly exert antibacterial effect under the action of active groups in the fungus chaff in the using process.
Detailed Description
Auxiliary materials: according to the mass ratio of 12-16: 0.1 mixing sodium bicarbonate and diethylamine to obtain adjuvant.
Reagent A: according to the mass ratio of 10: and 2-4, mixing absolute ethyl alcohol and urea to obtain a reagent A.
And (3) reagent B: according to the mass ratio of 8-12: 1, mixing PBS buffer solution with the pH value of 7.2-7.8 with glacial acetic acid to obtain a reagent B.
And (3) reagent C: and (3) reagent C: according to the mass ratio of 1: 0.3: 12-18 taking dopamine hydrochloride, urea and Na with the concentration of 0.1mol/L2CO3And mixing the solutions to obtain a reagent C.
Activating a culture medium: taking 20-30 parts of potato, 3-6 parts of casein and 0.1-0.3 part of Na in parts by weight2HPO40.1 to 0.3 portion of Na2HPO4Mixing 10-15 parts of glucose and 800-1000 parts of water, and sterilizing at 121 ℃ for 20min to obtain the activated culture medium.
Adhesive: according to the mass ratio of 5: 1-3: 1 mixing sodium alginate, guar gum and microcrystalline cellulose to obtain the binder.
Mildew preventive: according to the mass ratio of 1: and 2-4, mixing sodium benzoate and o-phenylphenol to obtain the mildew preventive.
The preparation method of the composite crab shell treatment substance comprises the following steps:
(1) taking crab shells, washing the crab shells with water for 2-4 times, drying, crushing the crab shells in a crusher, sieving the crab shells with a 150-mesh sieve, and taking sieved particles according to a mass ratio of 1: 0.1-0.3: 15, adding auxiliary materials and the reagent A, mixing, stirring for 30-50 min at a speed of 400-600 r/min, filtering, and taking a filter cake according to a mass ratio of 1: 4-7, adding a citric acid solution with the concentration of 0.1mol/L, mixing, performing ultrasonic treatment on the mixture for 20-30 min in an ultrasonic cell disruptor by adjusting the ultrasonic frequency to 500W to obtain a crab shell treatment substance;
(2) inoculating the pasteuria bacillus powder into an activation culture medium according to the inoculation amount of 6%, performing shake culture at the temperature of 28-32 ℃ for 30-50 h at the speed of 180-220 r/min to obtain an activation bacterial liquid, and taking 2-5 parts of FeSO according to the parts by weight4·7H2O, 0.1-0.3 part of KH2PO40.1 to 0.3 part of K2HPO4Mixing 2-5 parts of casein, 1-4 parts of activated bacteria liquid, 10-15 parts of crab shell treatment substance and 500-600 parts of water in a fermentation tank, performing closed fermentation at 28-32 ℃ for 3-6 days to obtain crab shell fermentation liquid, and taking the crab shell fermentation liquid according to the mass ratio of 10: 1-3: 1: 2 adding sodium humate and nano TiO2And mixing the reagent B to obtain the composite crab shell treatment product.
The preparation method of the composite adsorption component comprises the following steps:
s1, crushing limestone in a crusher and sieving the crushed limestone with a 120-mesh sieve to obtain limestone powder, wherein sieved particles are taken according to a mass ratio of 1: 5-8, adding water into a container, mixing, moving into a refrigerator, freezing for 2-5 hours at-20 to-30 ℃, then moving into a constant-temperature water bath kettle at 50-65 ℃, unfreezing for 1-3 hours to obtain a freezing and unfreezing cycle, wherein the freezing and unfreezing cycle is carried out for 4-6 times, the material thawed at the last time is collected, and the material is dried for 20-24 hours at-40 ℃ in a vacuum freeze dryer to obtain pretreated limestone;
s2, taking oyster mushroom fungus chaff, drying the oyster mushroom fungus chaff in an oven at the temperature of 80-100 ℃ to constant weight, transferring the oyster mushroom fungus chaff to a crusher to be crushed, sieving the crushed oyster mushroom fungus chaff with a 100-mesh sieve, taking sieved particles, sterilizing the sieved particles with steam at the pressure of 1-3 MPa to obtain pretreated fungus dregs, and taking the fungus dregs according to the mass ratio of 5: 12-18, adding a reagent C, mixing, stirring for 30-45 min at a speed of 400-600 r/min, performing rotary evaporation at a temperature of 60-80 ℃, and performing reduced pressure concentration until the water content is below 5% to obtain a concentrate, wherein the concentrate is prepared by mixing the following components in a mass ratio of 1: 3-5, adding the pretreated limestone, and uniformly mixing to obtain the composite adsorption component.
The diatomite wall material for efficiently removing formaldehyde comprises the following components in parts by weight: 40-60 parts of diatomite, 15-25 parts of acetone and 6-15 parts of CH3NH22-5 parts of mildew preventive, 1-4 parts of binder, 20-45 parts of composite crab shell treatment substance and 18-25 parts of composite adsorption component.
A preparation method of a diatomite wall material for efficiently removing formaldehyde comprises the following steps:
(1) taking 40-60 parts of diatomite, 15-25 parts of acetone and 6-15 parts of CH by weight3NH20.01-0.03 part of sulfamic acid, 2-5 parts of mildew preventive, 1-4 parts of binder, 20-45 parts of composite crab shell treatment substance and 18-25 parts of composite adsorption component;
(2) firstly, taking diatom at 30-45 DEG CEarth, acetone, CH3NH2Mixing sulfamic acid and the composite adsorption component in a reaction kettle, stirring for 30-50 min at a speed of 300-500 r/min, heating to 55-70 ℃, adding the mildew preventive, the binder and the composite crab shell treatment substance, mixing for 3-5 h at a speed of 700-900 r/min, discharging, and drying in vacuum at a temperature of 80-100 ℃ to obtain the diatomite wall material capable of efficiently removing formaldehyde.
Example 1
Auxiliary materials: according to the mass ratio of 12: 0.1 mixing sodium bicarbonate and diethylamine to obtain adjuvant.
Reagent A: according to the mass ratio of 10: 2 mixing absolute ethyl alcohol and urea to obtain the reagent A.
And (3) reagent B: according to the mass ratio of 8: 1, mixing PBS buffer solution with the pH value of 7.2 and glacial acetic acid to obtain a reagent B.
And (3) reagent C: according to the mass ratio of 1: 0.3: 12 taking dopamine hydrochloride, urea and Na with the concentration of 0.1mol/L2CO3And mixing the solutions to obtain a reagent C.
Activating a culture medium: according to the mass parts, 20 parts of potato, 3 parts of casein and 0.1 part of Na are taken2HPO40.1 to 0.3 portion of Na2HPO4Mixing with 10 parts of glucose and 800 parts of water, and sterilizing at 121 ℃ for 20min to obtain the activated culture medium.
Adhesive: according to the mass ratio of 5: 1: 1 mixing sodium alginate, guar gum and microcrystalline cellulose to obtain the binder.
Mildew preventive: according to the mass ratio of 1: and 2, mixing the sodium benzoate and the o-phenylphenol to obtain the mildew preventive.
The preparation method of the composite crab shell treatment substance comprises the following steps:
(1) washing crab shells with water for 2 times, drying, crushing in a crusher, sieving with a 150-mesh sieve, and taking sieved particles according to a mass ratio of 1: 0.1: 15, adding auxiliary materials and the reagent A, mixing, stirring for 30min at the speed of 400r/min, filtering, and taking a filter cake according to the mass ratio of 1: 4, adding a citric acid solution with the concentration of 0.1mol/L, mixing, performing ultrasonic treatment for 20min in an ultrasonic cell disruptor by adjusting the ultrasonic frequency to be 500W to obtain a crab shell treatment substance;
(2) inoculating Bacillus pasteurii powder into activating culture medium at 6%, and shake culturing at 28 deg.C and 180r/minCulturing for 30h to obtain activated bacterium liquid, and taking 2 parts of FeSO by weight4·7H2O, 0.1 part of KH2PO40.1 part of K2HPO4Mixing 2 parts of casein, 1 part of activated bacterium liquid, 10 parts of crab shell treatment substance and 500 parts of water in a fermentation tank, carrying out closed fermentation at 28 ℃ for 3 days to obtain crab shell fermentation liquid, and taking the crab shell fermentation liquid according to the mass ratio of 10: 1: 1: 2 adding sodium humate and nano TiO2And mixing the reagent B to obtain the composite crab shell treatment product.
The preparation method of the composite adsorption component comprises the following steps:
s1, crushing limestone in a crusher and sieving the crushed limestone with a 120-mesh sieve to obtain limestone powder, wherein sieved particles are taken according to a mass ratio of 1: 5 adding water into the container, mixing, moving into a refrigerator, freezing for 2h at-20 ℃, then moving into a 50 ℃ constant-temperature water bath kettle, unfreezing for 1h to obtain a freeze-unfreezing cycle, carrying out the freeze-unfreezing cycle for 4 times, collecting the materials unfrozen at the last time, and drying for 20h at-40 ℃ in a vacuum freeze dryer to obtain pretreated limestone;
s2, drying oyster mushroom fungus chaff in an oven at 80 ℃ to constant weight, transferring to a crusher to crush and pass through a 100-mesh sieve, sterilizing sieved particles with steam at 1MPa to obtain pretreated fungus dregs, and taking the fungus dregs according to a mass ratio of 5: 12 adding the reagent C, mixing, stirring for 30min at 400r/min, performing rotary evaporation at 60 ℃, concentrating under reduced pressure until the water content is below 5% to obtain a concentrate, and taking the concentrate according to the mass ratio of 1: 3, adding the pretreated limestone and uniformly mixing to obtain the composite adsorption component.
The diatomite wall material for efficiently removing formaldehyde comprises the following components in parts by weight: 40 parts of diatomite, 15 parts of acetone and 6 parts of CH3NH22 parts of mildew preventive, 1 part of binder, 20 parts of composite crab shell treatment substance and 18 parts of composite adsorption component.
A preparation method of a diatomite wall material for efficiently removing formaldehyde comprises the following steps:
(1) according to the mass parts, 40 parts of diatomite, 15 parts of acetone and 6 parts of CH are taken3NH20.01 part of sulfamic acid, 2 parts of mildew preventive, 1 part of binder, 20 parts of composite crab shell treatment substance and 18 parts of composite adsorption component;
(2) at 30At the temperature of, firstly taking diatomite, acetone and CH3NH2Mixing the sulfamic acid and the composite adsorption component in a reaction kettle, stirring for 30min at 300r/min, heating to 55 ℃, adding the mildew preventive, the binder and the composite crab shell treatment substance, mixing for 3h at 700r/min, discharging, and drying in vacuum at 80 ℃ to obtain the diatomite wall material capable of efficiently removing formaldehyde.
Example 2
Auxiliary materials: according to the mass ratio of 14: 0.1 mixing sodium bicarbonate and diethylamine to obtain adjuvant.
Reagent A: according to the mass ratio of 10: 3 mixing absolute ethyl alcohol and urea to obtain the reagent A.
And (3) reagent B: according to the mass ratio of 10: 1, mixing PBS buffer solution with the pH value of 7.6 and glacial acetic acid to obtain a reagent B.
And (3) reagent C: according to the mass ratio of 1: 0.3: 16 taking dopamine hydrochloride, urea and Na with the concentration of 0.1mol/L2CO3And mixing the solutions to obtain a reagent C.
Activating a culture medium: according to the mass parts, 25 parts of potato, 5 parts of casein and 0.2 part of Na are taken2HPO40.2 part of Na2HPO4Mixing 13 parts of glucose and 900 parts of water, and sterilizing at 121 ℃ for 20min to obtain the activated culture medium.
Adhesive: according to the mass ratio of 5: 2: 1 mixing sodium alginate, guar gum and microcrystalline cellulose to obtain the binder.
Mildew preventive: according to the mass ratio of 1: and 3, mixing the sodium benzoate and the o-phenylphenol to obtain the mildew preventive.
The preparation method of the composite crab shell treatment substance comprises the following steps:
(1) washing crab shells with water for 3 times, drying, crushing in a crusher, sieving with a 150-mesh sieve, and taking sieved particles according to a mass ratio of 1: 0.2: 15, adding auxiliary materials and the reagent A, mixing, stirring at 500r/min for 40min, filtering, and taking a filter cake according to a mass ratio of 1: 6, adding a citric acid solution with the concentration of 0.1mol/L, mixing, placing in an ultrasonic cell disruptor, adjusting the ultrasonic frequency to be 500W, and carrying out ultrasonic treatment for 25min to obtain a crab shell treatment substance;
(2) inoculating Bacillus pasteurii powder into activation culture medium at 6%, shake culturing at 30 deg.C at 200r/min for 4Obtaining activated bacterium liquid after 0h, and taking 4 parts of FeSO according to the mass parts4·7H2O, 0.2 part of KH2PO40.2 part of K2HPO4Mixing 4 parts of casein, 3 parts of activated bacterium liquid, 13 parts of crab shell treatment substance and 400 parts of water in a fermentation tank, carrying out closed fermentation at 30 ℃ for 5 days to obtain crab shell fermentation liquid, and taking the crab shell fermentation liquid according to the mass ratio of 10: 2: 1: 2 adding sodium humate and nano TiO2And mixing the reagent B to obtain the composite crab shell treatment product.
The preparation method of the composite adsorption component comprises the following steps:
s1, crushing limestone in a crusher and sieving the crushed limestone with a 120-mesh sieve to obtain limestone powder, wherein sieved particles are taken according to a mass ratio of 1: 6, adding water into the container, mixing, moving the container into a refrigerator, freezing the mixture for 4 hours at the temperature of minus 25 ℃, then moving the mixture into a constant-temperature water bath kettle at the temperature of 55 ℃, unfreezing the mixture for 2 hours to obtain a freeze-unfreezing cycle, carrying out 5 times of freeze-unfreezing cycles, collecting materials unfrozen at the last time, and drying the materials for 22 hours at the temperature of minus 40 ℃ in a vacuum freeze dryer to obtain pretreated limestone;
s2, taking oyster mushroom fungus chaff, drying the oyster mushroom fungus chaff in a 90 ℃ oven until the weight is constant, transferring the oyster mushroom fungus chaff to a crusher to be crushed and pass through a 100-mesh sieve, taking the sieved particles to obtain pretreated fungus dregs after steam sterilization at 2MPa, and taking the fungus dregs according to the mass ratio of 5: 16 adding the reagent C, mixing, stirring for 40min at 500r/min, performing rotary evaporation at 70 ℃, concentrating under reduced pressure until the water content is below 5% to obtain a concentrate, and taking the concentrate according to the mass ratio of 1: 4 adding the pretreated limestone and uniformly mixing to obtain the composite adsorption component.
The diatomite wall material for efficiently removing formaldehyde comprises the following components in parts by weight: 50 parts of diatomite, 20 parts of acetone and 13 parts of CH3NH24 parts of mildew preventive, 3 parts of binder, 30 parts of composite crab shell treatment substance and 22 parts of composite adsorption component.
A preparation method of a diatomite wall material for efficiently removing formaldehyde comprises the following steps:
(1) according to the mass parts, 50 parts of diatomite, 20 parts of acetone and 12 parts of CH are taken3NH20.02 part of sulfamic acid, 4 parts of mildew preventive, 3 parts of binder, 30 parts of composite crab shell treatment substance and 22 parts of composite adsorption component;
(2) at 35 deg.CFirstly, taking diatomite, acetone and CH3NH2Mixing the sulfamic acid and the composite adsorption component in a reaction kettle, stirring for 40min at 400r/min, heating to 65 ℃, adding the mildew preventive, the binder and the composite crab shell treatment substance, mixing for 4h at 800r/min, discharging, and drying in vacuum at 90 ℃ to obtain the diatomite wall material capable of efficiently removing formaldehyde.
Example 3
Auxiliary materials: according to the mass ratio of 16: 0.1 mixing sodium bicarbonate and diethylamine to obtain adjuvant.
Reagent A: according to the mass ratio of 10: and 4, mixing absolute ethyl alcohol and urea to obtain the reagent A.
And (3) reagent B: according to the mass ratio of 12: 1, mixing PBS buffer solution with the pH value of 7.8 and glacial acetic acid to obtain a reagent B.
And (3) reagent C: according to the mass ratio of 1: 0.3: 18 taking dopamine hydrochloride, urea and Na with the concentration of 0.1mol/L2CO3And mixing the solutions to obtain a reagent C.
Activating a culture medium: according to the mass portion, 30 portions of potato, 6 portions of casein and 0.3 portion of Na are taken2HPO40.3 part of Na2HPO4Mixing with 15 parts of glucose and 1000 parts of water, and sterilizing at 121 ℃ for 20min to obtain the activated culture medium.
Adhesive: according to the mass ratio of 5: 3: 1 mixing sodium alginate, guar gum and microcrystalline cellulose to obtain the binder.
Mildew preventive: according to the mass ratio of 1: and 4, mixing sodium benzoate and o-phenylphenol to obtain the mildew preventive.
The preparation method of the composite crab shell treatment substance comprises the following steps:
(1) washing crab shells with water for 4 times, drying, crushing in a crusher, sieving with a 150-mesh sieve, and taking sieved particles according to a mass ratio of 1: 0.3: 15, adding auxiliary materials and the reagent A, mixing, stirring for 50min at the speed of 600r/min, filtering, and taking a filter cake according to the mass ratio of 1: 7 adding citric acid solution with the concentration of 0.1mol/L, mixing, placing in an ultrasonic cell disruptor, adjusting the ultrasonic frequency to 500W, and performing ultrasonic treatment for 30min to obtain crab shell treated matter;
(2) inoculating Bacillus pasteurii powder into activation culture medium at 6%, and shake culturing at 32 deg.C and 220r/min for 50 hrObtaining activated bacterium liquid, and taking 5 parts of FeSO by weight4·7H2O, 0.3 part of KH2PO40.3 part of K2HPO4Mixing 5 parts of casein, 4 parts of activated bacterium liquid, 15 parts of crab shell treatment substance and 600 parts of water in a fermentation tank, carrying out closed fermentation at 32 ℃ for 6 days to obtain crab shell fermentation liquid, and taking the crab shell fermentation liquid according to the mass ratio of 10: 3: 1: 2 adding sodium humate and nano TiO2And mixing the reagent B to obtain the composite crab shell treatment product.
The preparation method of the composite adsorption component comprises the following steps:
s1, crushing limestone in a crusher and sieving the crushed limestone with a 120-mesh sieve to obtain limestone powder, wherein sieved particles are taken according to a mass ratio of 1: 8, adding water into the container, mixing, moving the container into a refrigerator, freezing the mixture for 5 hours at the temperature of minus 30 ℃, then moving the mixture into a constant-temperature water bath kettle at the temperature of 65 ℃, unfreezing the mixture for 3 hours to obtain a freeze-unfreezing cycle, carrying out 6 times of freeze-unfreezing cycles, collecting materials unfrozen at the last time, and drying the materials for 24 hours at the temperature of minus 40 ℃ in a vacuum freeze dryer to obtain pretreated limestone;
s2, taking oyster mushroom fungus chaff, drying the oyster mushroom fungus chaff in a 100 ℃ oven to constant weight, transferring the oyster mushroom fungus chaff to a crusher to be crushed and pass through a 100-mesh sieve, taking the sieved particles, sterilizing the particles by 3MPa steam to obtain pretreated fungus dregs, and taking the fungus dregs according to the mass ratio of 5: 18 adding the reagent C, mixing, stirring for 45min at the speed of 600r/min, performing rotary evaporation at the temperature of 80 ℃, concentrating under reduced pressure until the water content is below 5 percent to obtain a concentrate, and taking the concentrate according to the mass ratio of 1: 5 adding the pretreated limestone and uniformly mixing to obtain the composite adsorption component.
The diatomite wall material for efficiently removing formaldehyde comprises the following components in parts by weight: 60 parts of diatomite, 25 parts of acetone and 15 parts of CH3NH25 parts of mildew preventive, 4 parts of binder, 45 parts of composite crab shell treatment substance and 25 parts of composite adsorption component.
A preparation method of a diatomite wall material for efficiently removing formaldehyde comprises the following steps:
(1) according to the mass portion, 60 portions of diatomite, 25 portions of acetone and 15 portions of CH are taken3NH20.03 part of sulfamic acid, 5 parts of mildew preventive, 4 parts of binder, 45 parts of composite crab shell treatment substance and 25 parts of composite adsorption component;
(2) at 45 deg.CFirstly, taking diatomite, acetone and CH3NH2Mixing the sulfamic acid and the composite adsorption component in a reaction kettle, stirring for 50min at 500r/min, heating to 70 ℃, adding the mildew preventive, the binder and the composite crab shell treatment substance, mixing, stirring for 5h at 900r/min, discharging, and drying in vacuum at 100 ℃ to obtain the diatomite wall material capable of efficiently removing formaldehyde.
Comparative example 1: the preparation method is basically the same as that of example 1 except that the composite crab shell treatment is absent.
Comparative example 2: the preparation method was substantially the same as that of example 1 except that the composite adsorbent composition was absent.
Comparative example 3: diatomite wall material produced by a certain company in Nanjing.
The diatomite wall materials obtained in the examples and the comparative examples are tested according to GB18582-2008 and JC/T1074-2008, and the test results are shown in Table 1.
Table 1:
in conclusion, compared with the commercially available products, the high-efficiency formaldehyde-removing diatomite wall material disclosed by the invention has a better effect, and is worthy of great popularization.
Claims (5)
1. The diatomite wall material for efficiently removing formaldehyde comprises the following components in parts by weight: 40-60 parts of diatomite, 15-25 parts of acetone and 6-15 parts of CH3NH20.01-0.03 parts of sulfamic acid, 2-5 parts of mildew preventive and 1-4 parts of binder, and is characterized by further comprising: 20-45 parts of composite crab shell treatment matter and 18-25 parts of composite adsorption component;
the preparation method of the composite crab shell treatment substance comprises the following steps:
(1) washing crab shells, drying, crushing and sieving, and taking sieved particles according to a mass ratio of 1: 0.1-0.3: 15, adding auxiliary materials and the reagent A, mixing and stirring, filtering, and taking a filter cake according to a mass ratio of 1: 4-7, adding a citric acid solution, mixing, and performing ultrasonic treatment to obtain a crab shell treatment substance; the auxiliary materials are as follows: according to the mass ratio of 12-16: 0.1 mixing sodium bicarbonate and diethylamine to obtain adjuvants; the reagent A is: according to the mass ratio of 10: 2-4, mixing absolute ethyl alcohol and urea to obtain a reagent A;
(2) inoculating the pasteuria bacillus powder into an activation culture medium according to the inoculation amount of 6%, performing shake culture at 28-32 ℃ to obtain an activated bacterium solution, and taking 2-5 parts of FeSO according to the parts by weight4·7H2O, 0.1-0.3 part of KH2PO40.1 to 0.3 part of K2HPO4Mixing 2-5 parts of casein, 1-4 parts of activated bacterium liquid, 10-15 parts of crab shell treatment substance and 500-600 parts of water, performing closed fermentation at 28-32 ℃ to obtain crab shell fermentation liquid, and taking the crab shell fermentation liquid according to the mass ratio of 10: 1-3: 1: 2 adding sodium humate and nano TiO2Mixing the reagent B and the reagent B to obtain a composite crab shell treatment substance; the reagent B: according to the mass ratio of 8-12: 1 mixing PBS buffer solution and glacial acetic acid to obtain a reagent B.
2. The diatomite wall material for removing formaldehyde efficiently as claimed in claim 1, wherein the activation medium in the step (2): taking 20-30 parts of potato, 3-6 parts of casein and 0.1-0.3 part of Na in parts by weight2HPO40.1 to 0.3 portion of Na2HPO4Mixing 10-15 parts of glucose and 800-1000 parts of water, and sterilizing to obtain the activated culture medium.
3. The diatomite wall material for efficiently removing formaldehyde according to claim 1, wherein the preparation method of the composite adsorption component comprises the following steps:
s1, crushing and sieving limestone powder to obtain limestone powder, wherein the mass ratio of sieved particles is 1: 5-8, adding water, mixing, freezing, thawing, circulating for 4-6 times, collecting materials thawed in the last time, and freeze-drying to obtain pretreated limestone;
s2, drying oyster mushroom bran in an oven at 80-100 ℃ to constant weight, transferring to a crusher to crush and pass through a 100-mesh sieve, sterilizing sieved particles in steam at 1-3 MPa to obtain pretreated mushroom dregs, and taking mushroom dregs according to the mass ratio of 5: 12-18, adding the reagent C, mixing, stirring for 30-45 min at 400-600 r/min, performing rotary evaporation at 60-80 ℃, and concentrating under reduced pressure until the water content is below 5% to obtain a concentrateTaking the concentrate according to the mass ratio of 1: 3-5, adding pretreated limestone and uniformly mixing to obtain a composite adsorption component; the reagent C is: according to the mass ratio of 1: 0.3: 12-18 taking dopamine hydrochloride, urea and Na with the concentration of 0.1mol/L2CO3And mixing the solutions to obtain a reagent C.
4. The diatomite wall material for efficiently removing formaldehyde according to claim 1, wherein the mildew preventive is: according to the mass ratio of 1: and 2-4, mixing sodium benzoate and o-phenylphenol to obtain the mildew preventive.
5. The diatomite wall material for efficiently removing formaldehyde according to claim 1, wherein the binder: according to the mass ratio of 5: 1-3: 1 mixing sodium alginate, guar gum and microcrystalline cellulose to obtain the binder.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009190919A (en) * | 2008-02-13 | 2009-08-27 | Murakashi Sekkai Kogyo Kk | Troweling material |
| CN101684395A (en) * | 2008-09-28 | 2010-03-31 | 吴彩莲 | Additive composite for eliminating formaldehyde in adhesive and preparation method thereof |
| CN106064930A (en) * | 2016-06-01 | 2016-11-02 | 成都新柯力化工科技有限公司 | A kind of ecological, environmental protective adjusts the diatom ooze wall material in hole and preparation method thereof |
| CN107537443A (en) * | 2017-09-28 | 2018-01-05 | 浙江海洋大学 | A kind of purification of air adsorbent for adding shuttle crab shell powder and preparation method thereof |
| CN107983108A (en) * | 2017-12-18 | 2018-05-04 | 常州思宇环保材料科技有限公司 | A kind of preparation method of the special sulphur-fixing agent of flue gas desulfurization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009190919A (en) * | 2008-02-13 | 2009-08-27 | Murakashi Sekkai Kogyo Kk | Troweling material |
| CN101684395A (en) * | 2008-09-28 | 2010-03-31 | 吴彩莲 | Additive composite for eliminating formaldehyde in adhesive and preparation method thereof |
| CN106064930A (en) * | 2016-06-01 | 2016-11-02 | 成都新柯力化工科技有限公司 | A kind of ecological, environmental protective adjusts the diatom ooze wall material in hole and preparation method thereof |
| CN107537443A (en) * | 2017-09-28 | 2018-01-05 | 浙江海洋大学 | A kind of purification of air adsorbent for adding shuttle crab shell powder and preparation method thereof |
| CN107983108A (en) * | 2017-12-18 | 2018-05-04 | 常州思宇环保材料科技有限公司 | A kind of preparation method of the special sulphur-fixing agent of flue gas desulfurization |
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