CN112892488A - Honeycomb attapulgite clay material, preparation method and application - Google Patents

Honeycomb attapulgite clay material, preparation method and application Download PDF

Info

Publication number
CN112892488A
CN112892488A CN202110072630.XA CN202110072630A CN112892488A CN 112892488 A CN112892488 A CN 112892488A CN 202110072630 A CN202110072630 A CN 202110072630A CN 112892488 A CN112892488 A CN 112892488A
Authority
CN
China
Prior art keywords
attapulgite clay
mixture
clay material
preparation
honeycomb type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110072630.XA
Other languages
Chinese (zh)
Inventor
董良飞
蒋庭宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou University
Original Assignee
Changzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou University filed Critical Changzhou University
Priority to CN202110072630.XA priority Critical patent/CN112892488A/en
Publication of CN112892488A publication Critical patent/CN112892488A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12Naturally occurring clays or bleaching earth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28011Other properties, e.g. density, crush strength
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28042Shaped bodies; Monolithic structures
    • B01J20/28045Honeycomb or cellular structures; Solid foams or sponges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057Surface area, e.g. B.E.T specific surface area
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702Hydrocarbons
    • B01D2257/7027Aromatic hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/70Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/704Solvents not covered by groups B01D2257/702 - B01D2257/7027

Abstract

A honeycomb type attapulgite clay material, a preparation method and application thereof, belonging to the field of modified functional materials. The raw materials used by weight percentage are as follows: 70-85% of modified attapulgite clay, 5-15% of titanium dioxide, 1-5% of sodium silicate, 3-5% of sodium dodecyl benzene sulfonate solution, 3-5% of hexadecyl trimethyl ammonium bromide solution, and the mass ratio of the raw materials to water is 10-5: 1; also discloses a preparation method thereof. The modified attapulgite clay is used as a main raw material, and the prepared material has high strength, is not easy to damage and has long service life. In addition, the invention hasLarge specific surface area, Si-OH and OH existing on the surface2The sodium dodecyl benzene sulfonate and the hexadecyl trimethyl ammonium bromide have synergistic compatibilization effect, can enhance the distribution effect on organic matters, and have good adsorption effect on harmful gases such as formaldehyde, toluene and the like.

Description

Honeycomb attapulgite clay material, preparation method and application
Technical Field
The invention relates to the field of modified functional materials, in particular to a honeycomb type attapulgite clay material, a preparation method and application thereof.
Background
After the "soot-type pollution" of the 18 th century and the "photochemical" pollution of the 19 th century, human beings are currently undergoing a third pollution period, which is marked by "indoor environmental pollution". Air purification has therefore to be taken into account. Nowadays, the main adsorbing material used for air purification is activated carbon. The activated carbon adopts a physical adsorption method, but has certain defects and limitations, such as easy saturation, high temperature resistance, fragility, high treatment cost and the like, so that a new material is needed to be searched, the adsorption effect is enhanced, and the cost is reduced.
Disclosure of Invention
The invention aims to provide an economical and efficient honeycomb type attapulgite clay material for replacing activated carbon, a preparation method thereof and application in the field of adsorption.
The technical scheme of the invention is as follows:
a preparation method of a honeycomb type attapulgite clay material comprises the following steps:
(1) mixing the modified attapulgite clay with a sodium dodecyl benzene sulfonate solution and a hexadecyl trimethyl ammonium bromide solution, placing the mixture into a constant-temperature oscillator, oscillating the mixture for 2 to 3 hours at the temperature of between 70 and 80 ℃, taking the mixture out, washing the mixture with clear water, drying the washed mixture at the temperature of between 80 and 90 ℃, and grinding the dried mixture;
(2) adding the ground powder, titanium dioxide and sodium silicate into a stirrer according to the mass ratio for stirring, adding water after 10-15 minutes, and continuously stirring to form a plastic mud block;
(3) conveying the plastic mud blocks into a vacuum pugging machine to uniformly mix the mud blocks;
(4) putting the pug subjected to pugging into a honeycomb mould for extrusion forming to obtain a wet honeycomb type attapulgite clay material;
(5) placing the wet honeycomb type attapulgite clay in an oven, and drying at 105 ℃ for 20-24h to finally obtain the honeycomb type attapulgite clay material.
Further, the raw materials and the mass percentage are respectively as follows: 70-85% of modified attapulgite clay, 5-15% of titanium dioxide, 1-5% of sodium silicate, 3-5% of sodium dodecyl benzene sulfonate solution and 3-5% of hexadecyl trimethyl ammonium bromide solution, wherein the mass ratio of the raw materials to water is 10-5: 1.
further, the preparation method of the modified attapulgite clay comprises the steps of calcining the attapulgite clay at the temperature of 400-500 ℃ for 2-3 hours, naturally cooling to room temperature, taking out, and grinding and dispersing uniformly to obtain the modified attapulgite clay.
Furthermore, the mass concentration of the sodium dodecyl benzene sulfonate solution and the mass concentration of the hexadecyl trimethyl ammonium bromide solution are respectively 280g/L-500g/L and 100g/L-350 g/L.
The invention has the beneficial effects that: according to the honeycomb type attapulgite clay prepared by the technical scheme, the proportion of main skeleton components such as silicon dioxide, calcium oxide and magnesium oxide in the modified attapulgite clay is high, and simultaneously titanium dioxide and sodium silicate are added, so that the prepared material is high in strength, not easy to damage and long in service life. In addition, the invention has larger specific surface area, and Si-OH and OH exist on the surface2The sodium dodecyl benzene sulfonate and the hexadecyl trimethyl ammonium bromide have synergistic compatibilization effect, can enhance the distribution effect on organic matters, and have good adsorption effect on harmful gases such as formaldehyde, toluene and the like.
Drawings
FIG. 1 is a Freundlich adsorption isotherm of the four formulations for formaldehyde in the gas phase.
Figure 2 is a Freundlich penetration curve of four formulations against formaldehyde in the gas phase.
Detailed Description
The specific implementation and operation modes of the invention are as follows:
example 1:
the raw materials used by weight percentage are as follows: 80% of modified attapulgite clay, 10% of titanium dioxide, 2% of sodium silicate, 4% of sodium dodecyl benzene sulfonate solution with the mass concentration of 350g/L, 4% of hexadecyl trimethyl ammonium bromide solution with the mass concentration of 200g/L, and the mass ratio of the raw materials to water is 8: 1.
the preparation method of the modified attapulgite clay comprises the steps of putting the attapulgite clay into a high-temperature resistance furnace, calcining for 2.5 hours at 500 ℃, naturally cooling to room temperature, taking out, grinding, and sieving with a 260-mesh sieve.
The preparation method of the honeycomb type attapulgite clay is characterized by comprising the following preparation steps: mixing modified attapulgite clay, sodium dodecyl benzene sulfonate solution and hexadecyl trimethyl ammonium bromide solution, placing the mixture into a constant-temperature oscillator, oscillating the mixture for 2 hours at 75 ℃, taking the mixture out, washing the mixture with clear water, drying the mixture at 85 ℃, grinding the mixture, sieving the mixture with a 260-mesh sieve, adding the mixture, titanium dioxide and sodium silicate into a stirrer according to the mass ratio, stirring the mixture, adding water after 15 minutes, and continuously stirring the mixture to form a plastic mud block; and conveying the mixture to a vacuum pug mill to uniformly mix the mud blocks. Putting the pug subjected to pugging into a honeycomb mould for extrusion forming to obtain wet honeycomb type attapulgite clay; and (3) placing the wet honeycomb type attapulgite clay into an oven, and drying for 24 hours at 105 ℃ to finally obtain the honeycomb type attapulgite clay.
Example 2:
the raw materials used by weight percentage are as follows: 82% of modified attapulgite clay, 9% of titanium dioxide, 3% of sodium silicate, 3% of sodium dodecyl benzene sulfonate solution with the mass concentration of 300g/L, 3% of hexadecyl trimethyl ammonium bromide solution with the mass concentration of 300g/L, and the mass ratio of the raw materials to water is 8: 1.
the preparation method of the modified attapulgite clay comprises the steps of putting the attapulgite clay into a high-temperature resistance furnace, calcining for 2.5 hours at 500 ℃, naturally cooling to room temperature, taking out, grinding, and sieving with a 260-mesh sieve.
The preparation method of the honeycomb type attapulgite clay is characterized by comprising the following preparation steps: mixing modified attapulgite clay, sodium dodecyl benzene sulfonate solution and hexadecyl trimethyl ammonium bromide solution, placing the mixture into a constant-temperature oscillator, oscillating the mixture for 2 hours at 75 ℃, taking the mixture out, washing the mixture with clear water, drying the mixture at 85 ℃, grinding the mixture, sieving the mixture with a 260-mesh sieve, adding the mixture, titanium dioxide and sodium silicate into a stirrer according to the mass ratio, stirring the mixture, adding water after 15 minutes, and continuously stirring the mixture to form a plastic mud block; and conveying the mixture to a vacuum pug mill to uniformly mix the mud blocks. Putting the pug subjected to pugging into a honeycomb mould for extrusion forming to obtain wet honeycomb type attapulgite clay; and (3) placing the wet honeycomb type attapulgite clay into an oven, and drying for 24 hours at 105 ℃ to finally obtain the honeycomb type attapulgite clay.
Comparative example 1:
the raw materials used by weight percentage are as follows: 90% of modified attapulgite clay, 2% of titanium dioxide, 5% of sodium silicate, 1.5% of sodium dodecyl benzene sulfonate solution with the mass concentration of 100g/L, 1.5% of hexadecyl trimethyl ammonium bromide solution with the mass concentration of 100g/L, and the mass ratio of the raw materials to water is 10: 1.
the preparation method of the modified attapulgite clay comprises the steps of putting the attapulgite clay into a high-temperature resistance furnace, calcining for 2.5 hours at 500 ℃, naturally cooling to room temperature, taking out, grinding, and sieving with a 260-mesh sieve.
The preparation method of the honeycomb type attapulgite clay is characterized by comprising the following preparation steps: mixing modified attapulgite clay, sodium dodecyl benzene sulfonate solution and hexadecyl trimethyl ammonium bromide solution, placing the mixture into a constant-temperature oscillator, oscillating the mixture for 2 hours at 75 ℃, taking the mixture out, washing the mixture with clear water, drying the mixture at 85 ℃, grinding the mixture, sieving the mixture with a 260-mesh sieve, adding the mixture, titanium dioxide and sodium silicate into a stirrer according to the mass ratio, stirring the mixture, adding water after 15 minutes, and continuously stirring the mixture to form a plastic mud block; and conveying the mixture to a vacuum pug mill to uniformly mix the mud blocks. Putting the pug subjected to pugging into a honeycomb mould for extrusion forming to obtain wet honeycomb type attapulgite clay; and (3) placing the wet honeycomb type attapulgite clay into an oven, and drying for 24 hours at 105 ℃ to finally obtain the honeycomb type attapulgite clay.
Comparative example 2:
the raw materials used by weight percentage are as follows: 65% of modified attapulgite clay, 15% of titanium dioxide, 10% of sodium silicate, 5% of sodium dodecyl benzene sulfonate solution with the mass concentration of 100g/L, 5% of hexadecyl trimethyl ammonium bromide solution with the mass concentration of 100g/L, and the mass ratio of the raw materials to water is 10: 1.
the preparation method of the modified attapulgite clay comprises the steps of putting the attapulgite clay into a high-temperature resistance furnace, calcining for 2.5 hours at 500 ℃, naturally cooling to room temperature, taking out, grinding, and sieving with a 260-mesh sieve.
The preparation method of the honeycomb type attapulgite clay is characterized by comprising the following preparation steps: mixing modified attapulgite clay, sodium dodecyl benzene sulfonate solution and hexadecyl trimethyl ammonium bromide solution, placing the mixture into a constant-temperature oscillator, oscillating the mixture for 2 hours at 75 ℃, taking the mixture out, washing the mixture with clear water, drying the mixture at 85 ℃, grinding the mixture, sieving the mixture with a 260-mesh sieve, adding the mixture, titanium dioxide and sodium silicate into a stirrer according to the mass ratio, stirring the mixture, adding water after 15 minutes, and continuously stirring the mixture to form a plastic mud block; and conveying the mixture to a vacuum pug mill to uniformly mix the mud blocks. Putting the pug subjected to pugging into a honeycomb mould for extrusion forming to obtain wet honeycomb type attapulgite clay; and (3) placing the wet honeycomb type attapulgite clay into an oven, and drying for 24 hours at 105 ℃ to finally obtain the honeycomb type attapulgite clay.
The experimental results of the adsorption of the formaldehyde in the gas phase in each example and comparative example are shown in the attached drawings of the specification, and the adsorption effect of the formaldehyde in the gas phase in the examples 1 and 2 is obviously better than that in the comparative examples 1 and 2.
According to the honeycomb type attapulgite clay prepared by the technical scheme, the proportion of main skeleton components such as silicon dioxide, calcium oxide and magnesium oxide in the modified attapulgite clay is high, and simultaneously titanium dioxide and sodium silicate are added, so that the prepared material is high in strength, not easy to damage and long in service life. In addition, the invention has larger specific surface area, and Si-OH and OH exist on the surface2The sodium dodecyl benzene sulfonate and the hexadecyl trimethyl ammonium bromide have a synergistic compatibilization effect, can enhance the distribution effect on organic matters, and have a good adsorption function on harmful gases such as formaldehyde, toluene and the like.

Claims (7)

1. A preparation method of a honeycomb type attapulgite clay material is characterized by comprising the following steps:
(1) mixing the modified attapulgite clay with a sodium dodecyl benzene sulfonate solution and a hexadecyl trimethyl ammonium bromide solution, placing the mixture into a constant-temperature oscillator, oscillating the mixture for 2 to 3 hours at the temperature of between 70 and 80 ℃, taking the mixture out, washing the mixture with clear water, drying the washed mixture at the temperature of between 80 and 90 ℃, and grinding the dried mixture;
(2) adding the ground powder, titanium dioxide and sodium silicate into a stirrer according to the mass ratio for stirring, adding water after 10-15 minutes, and continuously stirring to form a plastic mud block;
(3) conveying the plastic mud blocks into a vacuum pugging machine to uniformly mix the mud blocks;
(4) putting the pug subjected to pugging into a honeycomb mould for extrusion forming to obtain a wet honeycomb type attapulgite clay material;
(5) placing the wet honeycomb type attapulgite clay in an oven, and drying at 105 ℃ for 20-24h to finally obtain the honeycomb type attapulgite clay material.
2. The preparation method of the honeycomb type attapulgite clay material according to claim 1, wherein the raw materials and the mass percentage are respectively as follows: 70-85% of modified attapulgite clay, 5-15% of titanium dioxide, 1-5% of sodium silicate, 3-5% of sodium dodecyl benzene sulfonate solution and 3-5% of hexadecyl trimethyl ammonium bromide solution, wherein the mass ratio of the raw materials to water is 10-5: 1.
3. the method for preparing cellular attapulgite clay material according to claim 1 or 2, wherein the modified attapulgite clay is prepared by calcining attapulgite clay at 400-500 ℃ for 2-3 hours, naturally cooling to room temperature, taking out, grinding and dispersing uniformly.
4. The method for preparing the cellular attapulgite clay material according to claim 1 or 2, wherein the mass concentrations of the sodium dodecyl benzene sulfonate solution and the cetyl trimethyl ammonium bromide solution are respectively 280g/L-500g/L and 100g/L-350 g/L.
5. The method for preparing the cellular attapulgite clay material according to claim 3, wherein the mass concentrations of the sodium dodecyl benzene sulfonate solution and the cetyl trimethyl ammonium bromide solution are respectively 280g/L-500g/L and 100g/L-350 g/L.
6. A cellular attapulgite clay material, which is characterized in that the cellular attapulgite clay material is prepared by the preparation method of any one of claims 1 to 5.
7. The application of the cellular attapulgite clay material is characterized in that the cellular attapulgite clay material prepared by the preparation method of any one of claims 1 to 5 is used for adsorbing harmful gases.
CN202110072630.XA 2021-01-20 2021-01-20 Honeycomb attapulgite clay material, preparation method and application Pending CN112892488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110072630.XA CN112892488A (en) 2021-01-20 2021-01-20 Honeycomb attapulgite clay material, preparation method and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110072630.XA CN112892488A (en) 2021-01-20 2021-01-20 Honeycomb attapulgite clay material, preparation method and application

Publications (1)

Publication Number Publication Date
CN112892488A true CN112892488A (en) 2021-06-04

Family

ID=76116267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110072630.XA Pending CN112892488A (en) 2021-01-20 2021-01-20 Honeycomb attapulgite clay material, preparation method and application

Country Status (1)

Country Link
CN (1) CN112892488A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110174228A1 (en) * 2010-01-21 2011-07-21 F&R Enterprises, Inc. Hybrid animal litter composition
CN102145280A (en) * 2011-02-15 2011-08-10 常州大学 Method for preparing rice hull active carbon/silicon dioxide/titanium dioxide composite material
CN103007479A (en) * 2012-12-31 2013-04-03 西安科技大学 Fire extinguishing agent
CN104768644A (en) * 2012-11-08 2015-07-08 揖斐电株式会社 Honeycomb structure and manufacturing method thereof
CN106221489A (en) * 2016-08-25 2016-12-14 芜湖市天雄新材料科技有限公司 A kind of automatically cleaning ornament materials for floor
WO2018113004A1 (en) * 2016-12-23 2018-06-28 中节能万润股份有限公司 Method for preparing molecular sieve-multielement oxide composite integrally extruded denitration catalyst
CN108355609A (en) * 2018-04-28 2018-08-03 南京工程学院 A kind of supported copper, silver ion are attapulgite modified and preparation method thereof
CN108905998A (en) * 2018-07-23 2018-11-30 合肥岑遥新材料科技有限公司 A kind of strong adsorption capacity material and preparation method thereof
CN108930041A (en) * 2018-08-02 2018-12-04 常州大学盱眙凹土研发中心 A kind of TiO2Quantum dot/carbonitride/attapulgite composite material preparation method and its application in photocathode anti-corrosion
CN111097364A (en) * 2019-12-31 2020-05-05 北京师范大学 Modified attapulgite clay and preparation method thereof
CN112007508A (en) * 2020-08-21 2020-12-01 广东薇氧生态科技有限公司 Novel material for purifying air and releasing negative ions and preparation method thereof

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110174228A1 (en) * 2010-01-21 2011-07-21 F&R Enterprises, Inc. Hybrid animal litter composition
CN102145280A (en) * 2011-02-15 2011-08-10 常州大学 Method for preparing rice hull active carbon/silicon dioxide/titanium dioxide composite material
CN104768644A (en) * 2012-11-08 2015-07-08 揖斐电株式会社 Honeycomb structure and manufacturing method thereof
CN103007479A (en) * 2012-12-31 2013-04-03 西安科技大学 Fire extinguishing agent
CN106221489A (en) * 2016-08-25 2016-12-14 芜湖市天雄新材料科技有限公司 A kind of automatically cleaning ornament materials for floor
WO2018113004A1 (en) * 2016-12-23 2018-06-28 中节能万润股份有限公司 Method for preparing molecular sieve-multielement oxide composite integrally extruded denitration catalyst
CN108355609A (en) * 2018-04-28 2018-08-03 南京工程学院 A kind of supported copper, silver ion are attapulgite modified and preparation method thereof
CN108905998A (en) * 2018-07-23 2018-11-30 合肥岑遥新材料科技有限公司 A kind of strong adsorption capacity material and preparation method thereof
CN108930041A (en) * 2018-08-02 2018-12-04 常州大学盱眙凹土研发中心 A kind of TiO2Quantum dot/carbonitride/attapulgite composite material preparation method and its application in photocathode anti-corrosion
CN111097364A (en) * 2019-12-31 2020-05-05 北京师范大学 Modified attapulgite clay and preparation method thereof
CN112007508A (en) * 2020-08-21 2020-12-01 广东薇氧生态科技有限公司 Novel material for purifying air and releasing negative ions and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
赵子龙等: ""阴-阳离子改性凹凸棒石对水溶液中双酚A的吸附机制"" *

Similar Documents

Publication Publication Date Title
CN102580703B (en) Method for preparing efficient air purification material
WO2017035848A1 (en) Flue gas denitrification catalyst and preparation method thereof
CN105152340A (en) Red mud phosphate-removing filling material for constructed wetland and preparation method thereof
CN112174628B (en) Preparation method of non-sintered ceramsite with Fenton-like reaction property
CN101423318A (en) Red mud dealkalization method
CN111439942A (en) Method for preparing cement admixture by utilizing engineering waste soil, cement admixture and cement composition
CN114959893B (en) Sintering method red mud carbonization recycling method and application of product thereof
CN106731642A (en) A kind of shell base material for air purification and preparation method thereof
WO2009154405A2 (en) Method for manufacturing non-baked loess bricks and loess brick manufactured by the same
CN106007688B (en) A kind of outdoor ecological, environmental protective porcelain plate and preparation method thereof with antibiosis and self-cleaning functions
CN105367114A (en) Exhaust purifier and preparation method thereof
CN107572971A (en) A kind of net aldehyde cement plate of light fire-proof ecology
CN110963751A (en) Method for stabilizing arsenic-containing sludge by kaolin geopolymer
CN112892488A (en) Honeycomb attapulgite clay material, preparation method and application
CN111686683A (en) Sulfur-containing malodorous gas adsorbent and preparation method thereof
CN105396371A (en) Purifying and extruding attapulgite ceramisite filter material
CN110511041A (en) A kind of filter effect is good and free of contamination ardealite haydite preparation method
CN105367123A (en) Motor vehicle exhaust purifier and preparation method thereof
CN106316362A (en) Antibacterial ceramic with sand texture and production technology of ceramic
CN107879726A (en) A kind of preparation method of coal ash sintering brick
CN108744714A (en) A kind of concave convex stick ceramic grain filter
CN108786714A (en) A kind of bentonite drier and preparation method thereof
CN108546079A (en) A kind of production method of power equipment insulating ceramics
CN113354388A (en) Purple sand pottery material capable of releasing oxygen anions and preparation method of purple sand pottery
CN107199014A (en) A kind of ceramic composition of high absorption property and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination