CN109336535A - A kind of Antique Imitation Tiles and its method using montmorillonite and illite preparation - Google Patents
A kind of Antique Imitation Tiles and its method using montmorillonite and illite preparation Download PDFInfo
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- CN109336535A CN109336535A CN201811314755.3A CN201811314755A CN109336535A CN 109336535 A CN109336535 A CN 109336535A CN 201811314755 A CN201811314755 A CN 201811314755A CN 109336535 A CN109336535 A CN 109336535A
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- montmorillonite
- illite
- imitation tiles
- antique imitation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/547—Imitating ancient compositions, e.g. mediaeval mortars; Compositions specially designed for restauration of ancient buildings or building elements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention discloses a kind of Antique Imitation Tiles and its method using montmorillonite and illite preparation, belong to ancient building recovery technology field, be prepared by weight by following raw materials: 15~25 parts of montmorillonite, 15~25 parts of illite, 5~10 parts of chlorite, 15~25 parts of sludge, 5~10 parts of bunt gypsum, 5~10 parts of white cement, 3~5 parts of modified plant fibers, iron black 0~1 part, 0.5~1.0 part of EDETATE SODIUM, 0.5~1.5 part of calcium hydroxide, 0.5~1.5 part of calgon.Antique Imitation Tiles are made using pressing using montmorillonite and illite as primary raw material in invention, avoid the easily cracked problem of montmorillonite fired brick.Antique Imitation Tiles using the method for the present invention preparation have good compression strength and frost resistance, meet GB/T8239-2014 standard requirements, and brick body color is cinerous, and color is more life-like, and antique effect is natural.
Description
Technical field
The present invention relates to ancient building recovery technology fields, in particular to a kind of that montmorillonite and illite is utilized to prepare
Antique Imitation Tiles and its method.
Background technique
Exterior wall tile tradition is burned brick, mainly using clay as raw material in burning process, roasts and burns by kiln after shaping forming
Blue bricks or grey tile processed generate clay and excessively use, and it is raw by raw material of clay that government takes related compulsory measure order to forbid
Building materials are produced, and traditional handicraft brick firing or grey tile period are long, it is at high cost.
There are many reports to prepare fired brick using montmorillonite at present, but montmorillonite mineral is for sintered brick and tile product
One of maximum mineral are influenced on process and properties of product.Though montmorillonite is one of main clay mineral, at certain
May can be encountered when as very high such as content in one blank raw material, in production it is dry shrink it is excessive be difficult to control, make cracked
Risk increases.Clay mineral composition is different and causes particles' interaction power also not identical, such as kaolinite is due to interlayer
It is more more secured than the montmorillonite that interlayer is combined by Van der Waals force for Hydrogenbond, while not expanded after kaolinite chance water.Therefore high
The specific surface area of ridge stone is only 7~30M2/ gram, and montmorillonite specific surface area is about 810M2/ gram.Due to the great disparity of specific surface, lead
Capillary force is caused to be very different.Obviously, capillary force is bigger between particle, and suction is bigger, and plasticity is higher, and contraction when dry is also
Greatly.
In addition, the construction of the characteristic small town town He Gu old countries is being carried out in many places domestic at present, a large amount of cinerous are needed
Antique Imitation Tiles, country forbids burned brick again, this provides good Policy Background and huge for the resource utilization of montmorillonite
Social demand.
Summary of the invention
It is insufficient present in view of the above technology, utilize montmorillonite and illite to prepare the present invention provides a kind of
Antique Imitation Tiles and its method, preparation method is simple for this, at low cost, energy conservation and environmental protection, use easy to spread.
To realize the above-mentioned technical purpose, the present invention is to realize by following technical solution:
A kind of Antique Imitation Tiles prepared using montmorillonite and illite, are prepared by following raw materials by weight: being covered de-
15~25 parts of stone, 15~25 parts of illite, 5~10 parts of chlorite, 15~25 parts of sludge, 5~10 parts of bunt gypsum, white cement 5~
10 parts, 3~5 parts of modified plant fibers, 0~1 part iron black, 0.5~1.0 part of EDETATE SODIUM, 0.5~1.5 part of calcium hydroxide, six partially
0.5~1.5 part of sodium phosphate.
Wherein it is preferred to which the modified plant fibers by following methods by being prepared: plant fiber being crushed, so
The laggard quick-fried loose processing of promoting the circulation of qi；Gas is exposed treated plant fiber and is added in modifying agent and is impregnated 3~5 hours, filters, dries,
To obtain the final product.
Wherein it is preferred to which the modifying agent is made of following components in parts by weight: 15~20 parts of acetic acid, sodium acetate 5~10
Part, 50~100 parts of ethyl alcohol.
Wherein it is preferred to which the plant fiber is wheat straw fiber or corn stalk fiber.
Wherein it is preferred to the sludge be carry out the municipal sludge crossed of deodorizing process, and control its water content 50%~
Between 60%.
Wherein it is preferred to which the fineness of the bunt gypsum is 200 mesh, the fineness of the white cement is 200 mesh.
A method of Antique Imitation Tiles being prepared using montmorillonite and illite, are included the following steps:
(1) montmorillonite, illite and chlorite are taken, is crushed respectively, be sieved, cross 150~200 meshes, obtain montmorillonite powder, she
Sharp mountain flour and green mud mountain flour；
(2) sludge is added in forced stirrer, adds EDETATE SODIUM, action of forced stirring 5~after ten minutes, stand 30~
60min；
(3) montmorillonite powder, illite powder, green mud mountain flour, bunt gypsum, white cement, modified plant fibers, iron are weighed according to the ratio
Black, calcium hydroxide and calgon are added in forced stirrer, add water 30~45min of action of forced stirring, obtain mixture；
(4) will by the mixture of step (3) after mixing evenly be sent into hydraulic brick making machine molding, briquetting pressure be 20~
40MPa opened sample after 24 hours；
(5) it conserves: molding Antique Imitation Tiles sprinkling maintenance 7 days.
The moisture content of mixture obtained by the step (3) is 8~12%.
Beneficial effects of the present invention:
1. the present invention is made Antique Imitation Tiles using pressing, avoids montmorillonite using montmorillonite and illite as primary raw material
The easily cracked problem of fired brick.Think and want raw material based on montmorillonite powder, illite powder and green mud mountain flour, be added white cement and
Bunt gypsum provides three kinds of excitation of hair villaumite, sulphate activation and alkali-activated carbonatite stimulation effects, improves three kinds of raw material gelation activities.
Part of clay is replaced using sludge, not only reduces the destruction to arable land, and sludge is stayed after sewage treatment plant handles sewage
Under have the solid waste seriously affected to environment, EDETATE SODIUM is added and is mainly used to the heavy metal ion being complexed in sludge,
It turns harm into good, turns waste into wealth.Calcium hydroxide and calgon is added, improves the early strength of Antique Imitation Tiles.
2. the Antique Imitation Tiles using the method for the present invention preparation have good compression strength and frost resistance, meet GB/T8239-
2014 standard requirements, and brick body color is cinerous, color is more life-like, and antique effect is natural.
3. Antique Imitation Tiles of the invention use compression moulding, avoids complex production process in sintering process, energy consumption height, is produced into
This height is also easy to produce the problem of a large amount of carbon dioxide isothermal chamber gas.
Specific embodiment
Below in conjunction with the specific embodiment of the invention, technical solution of the present invention is clearly and completely described, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
In following embodiments, use the fineness of bunt gypsum for 200 mesh, the fineness of the white cement used is 200 mesh；It uses
Sludge is the municipal sludge for carrying out deodorizing process and crossing, and controls its water content between 50%~60%.
Embodiment 1
The present embodiment provides a kind of Antique Imitation Tiles prepared using montmorillonite and illite, by weight by following raw material systems
It is standby to form: 0 part of montmorillonite 2,20 parts of illite, 8 parts of chlorite, 20 parts of sludge, 8 parts of bunt gypsum, 8 parts of white cement, improved plant
4 parts of fiber, iron black 0.5 part, 0.8 part of EDETATE SODIUM, 1.0 parts of calcium hydroxide, 1.0 parts of calgon.
Wherein, the modified plant fibers by following methods by being prepared: plant fiber being crushed, gas is then carried out
Quick-fried loose processing；Gas is exposed treated plant fiber and is added in modifying agent and is impregnated 4 hours, is filtered, dry to get；It is described to change
Property agent is made of following components in parts by weight: 18 parts of acetic acid, 8 parts of sodium acetate, 70 parts of ethyl alcohol；The plant fiber is that corn stalk is fine
Dimension.
The method that the present embodiment prepares Antique Imitation Tiles using montmorillonite and illite, includes the following steps:
(1) montmorillonite, illite and chlorite are taken, is crushed respectively, be sieved, cross 150~200 meshes, obtain montmorillonite powder, she
Sharp mountain flour and green mud mountain flour；
(2) sludge is added in forced stirrer, adds EDETATE SODIUM, after action of forced stirring 8 minutes, stand 45min；
(3) montmorillonite powder, illite powder, green mud mountain flour, bunt gypsum, white cement, modified plant fibers, iron are weighed according to the ratio
Black, calcium hydroxide and calgon are added in forced stirrer, add water action of forced stirring 40min, obtain mixture, mixture
Moisture content is 10%；
(4) hydraulic brick making machine will be sent by the mixture of step (3) after mixing evenly to form, briquetting pressure 30MPa,
Sample is opened after 24 hours；
(5) it conserves: molding Antique Imitation Tiles sprinkling maintenance 7 days.
Embodiment 2
The present embodiment provides a kind of Antique Imitation Tiles prepared using montmorillonite and illite, by weight by following raw material systems
It is standby to form: 15 parts of montmorillonite, 25 parts of illite, 5 parts of chlorite, 25 parts of sludge, 5 parts of bunt gypsum, 10 parts of white cement, improved plant
3 parts of fiber, iron black 1 part, 0.5 part of EDETATE SODIUM, 1.5 parts of calcium hydroxide, 0.5 part of calgon.
Wherein, the modified plant fibers by following methods by being prepared: plant fiber being crushed, gas is then carried out
Quick-fried loose processing；Gas is exposed treated plant fiber and is added in modifying agent and is impregnated 3 hours, is filtered, dry to get；It is described to change
Property agent is made of following components in parts by weight: 20 parts of acetic acid, 5 parts of sodium acetate, 100 parts of ethyl alcohol；The plant fiber is that wheat straw is fine
Dimension.
The method that the present embodiment prepares Antique Imitation Tiles using montmorillonite and illite, includes the following steps:
(1) montmorillonite, illite and chlorite are taken, is crushed respectively, be sieved, cross 150~200 meshes, obtain montmorillonite powder, she
Sharp mountain flour and green mud mountain flour；
(2) sludge is added in forced stirrer, adds EDETATE SODIUM, action of forced stirring after five minutes, stands 60min；
(3) montmorillonite powder, illite powder, green mud mountain flour, bunt gypsum, white cement, modified plant fibers, iron are weighed according to the ratio
Black, calcium hydroxide and calgon are added in forced stirrer, add water action of forced stirring 30min, obtain mixture, mixture
Moisture content is 12%；
(4) hydraulic brick making machine will be sent by the mixture of step (3) after mixing evenly to form, briquetting pressure 20MPa,
Sample is opened after 24 hours；
(5) it conserves: molding Antique Imitation Tiles sprinkling maintenance 7 days.
Embodiment 3
The present embodiment provides a kind of Antique Imitation Tiles prepared using montmorillonite and illite, by weight by following raw material systems
It is standby to form: 5 parts of montmorillonite 2,15 parts of illite, 10 parts of chlorite, 15 parts of sludge, 10 parts of bunt gypsum, 5 parts of white cement, modified plant
5 parts of fibres, 1.0 parts of EDETATE SODIUM, 0.5~1.5 part of calcium hydroxide, 0.5 part of calgon.
Wherein, the modified plant fibers by following methods by being prepared: plant fiber being crushed, gas is then carried out
Quick-fried loose processing；Gas is exposed treated plant fiber and is added in modifying agent and is impregnated 5 hours, is filtered, dry to get；It is described to change
Property agent is made of following components in parts by weight: 15 parts of acetic acid, 10 parts of sodium acetate, 50 parts of ethyl alcohol；The plant fiber is that wheat straw is fine
Dimension.
The method that the present embodiment prepares Antique Imitation Tiles using montmorillonite and illite, includes the following steps:
(1) montmorillonite, illite and chlorite are taken, is crushed respectively, be sieved, cross 150~200 meshes, obtain montmorillonite powder, she
Sharp mountain flour and green mud mountain flour；
(2) sludge is added in forced stirrer, adds EDETATE SODIUM, action of forced stirring after ten minutes, stands 30min；
(3) montmorillonite powder, illite powder, green mud mountain flour, bunt gypsum, white cement, modified plant fibers, iron are weighed according to the ratio
Black, calcium hydroxide and calgon are added in forced stirrer, add water action of forced stirring 45min, obtain mixture, mixture
Moisture content is 8%；
(4) hydraulic brick making machine will be sent by the mixture of step (3) after mixing evenly to form, briquetting pressure 40MPa,
Sample is opened after 24 hours；
(5) it conserves: molding Antique Imitation Tiles sprinkling maintenance 7 days.
Embodiment 4
The present embodiment provides a kind of Antique Imitation Tiles prepared using montmorillonite and illite, by weight by following raw material systems
It is standby to form: 18 parts of montmorillonite, 22 parts of illite, 6 parts of chlorite, 18 parts of sludge, 9 parts of bunt gypsum, 6 parts of white cement, improved plant
4 parts of fiber, iron black 0.3 part, 0.6 part of EDETATE SODIUM, 0.8 part of calcium hydroxide, 1.2 parts of calgon.
Wherein, the modified plant fibers by following methods by being prepared: plant fiber being crushed, gas is then carried out
Quick-fried loose processing；Gas is exposed treated plant fiber and is added in modifying agent and is impregnated 4 hours, is filtered, dry to get；It is described to change
Property agent is made of following components in parts by weight: 18 parts of acetic acid, 6 parts of sodium acetate, 90 parts of ethyl alcohol；The plant fiber is that corn stalk is fine
Dimension.
The method that the present embodiment prepares Antique Imitation Tiles using montmorillonite and illite, includes the following steps:
(1) montmorillonite, illite and chlorite are taken, is crushed respectively, be sieved, cross 150~200 meshes, obtain montmorillonite powder, she
Sharp mountain flour and green mud mountain flour；
(2) sludge is added in forced stirrer, adds EDETATE SODIUM, after action of forced stirring 9 minutes, stand 50min；
(3) montmorillonite powder, illite powder, green mud mountain flour, bunt gypsum, white cement, modified plant fibers, iron are weighed according to the ratio
Black, calcium hydroxide and calgon are added in forced stirrer, add water action of forced stirring 35min, obtain mixture, mixture
Moisture content is 11%；
(4) hydraulic brick making machine will be sent by the mixture of step (3) after mixing evenly to form, briquetting pressure 35MPa,
Sample is opened after 24 hours；
(5) it conserves: molding Antique Imitation Tiles sprinkling maintenance 7 days.
Embodiment 5
The present embodiment provides a kind of Antique Imitation Tiles prepared using montmorillonite and illite, by weight by following raw material systems
It is standby to form: 2 parts of montmorillonite 2,18 parts of illite, 8 parts of chlorite, 22 parts of sludge, 6 parts of bunt gypsum, 9 parts of white cement, improved plant
4 parts of fiber, iron black 0.4 part, 0.8 part of EDETATE SODIUM, 0.8 part of calcium hydroxide, 0.9 part of calgon.
Wherein, the modified plant fibers by following methods by being prepared: plant fiber being crushed, gas is then carried out
Quick-fried loose processing；Gas is exposed treated plant fiber and is added in modifying agent and is impregnated 5 hours, is filtered, dry to get；It is described to change
Property agent is made of following components in parts by weight: 19 parts of acetic acid, 8 parts of sodium acetate, 75 parts of ethyl alcohol；The plant fiber is that corn stalk is fine
Dimension.
The method that the present embodiment prepares Antique Imitation Tiles using montmorillonite and illite, includes the following steps:
(1) montmorillonite, illite and chlorite are taken, is crushed respectively, be sieved, cross 150~200 meshes, obtain montmorillonite powder, she
Sharp mountain flour and green mud mountain flour；
(2) sludge is added in forced stirrer, adds EDETATE SODIUM, after action of forced stirring 8 minutes, stand 45min；
(3) montmorillonite powder, illite powder, green mud mountain flour, bunt gypsum, white cement, modified plant fibers, iron are weighed according to the ratio
Black, calcium hydroxide and calgon are added in forced stirrer, add water action of forced stirring 40min, obtain mixture, mixture
Moisture content is 10%；
(4) hydraulic brick making machine will be sent by the mixture of step (3) after mixing evenly to form, briquetting pressure 35MPa,
Sample is opened after 24 hours；
(5) it conserves: molding Antique Imitation Tiles sprinkling maintenance 7 days.
Antique Imitation Tiles system made from embodiment 1 to 5 is examined according to " small-sized ordinary concrete building block " GB/T8239-2014
It surveys, the specification of brick is 480mm × 240mm × 100mm when test, and test result is as follows shown in table 1:
As upper table content it is found that using Antique Imitation Tiles made from preparation method of the present invention with good compression strength and freeze proof
Property, meet GB/T8239-2014 standard requirements.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of Antique Imitation Tiles prepared using montmorillonite and illite, it is characterised in that prepared by weight by following raw materials and
At: 15~25 parts of montmorillonite, 15~25 parts of illite, 5~10 parts of chlorite, 15~25 parts of sludge, 5~10 parts of bunt gypsum, white
5~10 parts of cement, 3~5 parts of modified plant fibers, iron black 0~1 part, 0.5~1.0 part of EDETATE SODIUM, calcium hydroxide 0.5~1.5
Part, 0.5~1.5 part of calgon.
2. a kind of Antique Imitation Tiles prepared using montmorillonite and illite according to claim 1, it is characterised in that: described to change
Property plant fiber by being prepared by following methods: plant fiber is crushed, then carry out the loose processing of gas explosion；At gas exposure
Plant fiber after reason, which is added in modifying agent, to be impregnated 3~5 hours, is filtered, dry to get.
3. a kind of Antique Imitation Tiles prepared using montmorillonite and illite according to claim 2, it is characterised in that: described to change
Property agent is made of following components in parts by weight: 15~20 parts of acetic acid, 5~10 parts of sodium acetate, 50~100 parts of ethyl alcohol.
4. a kind of Antique Imitation Tiles prepared using montmorillonite and illite according to claim 2, it is characterised in that: the plant
Fibres are wheat straw fiber or corn stalk fiber.
5. a kind of Antique Imitation Tiles prepared using montmorillonite and illite according to claim 1, it is characterised in that: the dirt
Mud is the municipal sludge for carrying out deodorizing process and crossing, and controls its water content between 50%~60%.
6. a kind of Antique Imitation Tiles prepared using montmorillonite and illite according to claim 1, it is characterised in that: the salt
The fineness of gypsum is 200 mesh, and the fineness of the white cement is 200 mesh.
7. a kind of described in any item methods for preparing Antique Imitation Tiles using montmorillonite and illite of claim 1~6, feature exist
In including the following steps:
(1) montmorillonite, illite and chlorite are taken, is crushed respectively, is sieved, 150~200 meshes is crossed, obtains montmorillonite powder, illite
Powder and green mud mountain flour；
(2) sludge is added in forced stirrer, adds EDETATE SODIUM, action of forced stirring 5~after ten minutes, stand 30~
60min；
(3) weigh according to the ratio montmorillonite powder, illite powder, green mud mountain flour, bunt gypsum, white cement, modified plant fibers, iron oxide black,
Calcium hydroxide and calgon are added in forced stirrer, add water 30~45min of action of forced stirring, obtain mixture；
(4) hydraulic brick making machine molding will be sent by the mixture of step (3) after mixing evenly, briquetting pressure is 20~40MPa,
Sample is opened after 24 hours；
(5) it conserves: molding Antique Imitation Tiles sprinkling maintenance 7 days.
8. a kind of method for preparing Antique Imitation Tiles using montmorillonite and illite according to claim 7, it is characterised in that: institute
The moisture content for stating mixture obtained by step (3) is 8~12%.
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| CN201811314755.3A CN109336535A (en) | 2018-11-06 | 2018-11-06 | A kind of Antique Imitation Tiles and its method using montmorillonite and illite preparation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217037A (en) * | 2019-07-16 | 2019-09-10 | 湖南农业大学 | A kind of production method of crack soil ball |
| CN110526671A (en) * | 2019-09-19 | 2019-12-03 | 孟津青城古建制品有限公司 | A kind of grain composition method of city-wall brick raw material modelled after an antique |
| CN114656180A (en) * | 2022-04-19 | 2022-06-24 | 北京科技大学 | Cementing material containing clay mineral and application thereof |
| CN115893438A (en) * | 2022-12-20 | 2023-04-04 | 水羊化妆品制造有限公司 | Method for efficiently purifying illite and removing heavy metal Pb (II) and application |
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2018
- 2018-11-06 CN CN201811314755.3A patent/CN109336535A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217037A (en) * | 2019-07-16 | 2019-09-10 | 湖南农业大学 | A kind of production method of crack soil ball |
| CN110526671A (en) * | 2019-09-19 | 2019-12-03 | 孟津青城古建制品有限公司 | A kind of grain composition method of city-wall brick raw material modelled after an antique |
| CN114656180A (en) * | 2022-04-19 | 2022-06-24 | 北京科技大学 | Cementing material containing clay mineral and application thereof |
| CN115893438A (en) * | 2022-12-20 | 2023-04-04 | 水羊化妆品制造有限公司 | Method for efficiently purifying illite and removing heavy metal Pb (II) and application |
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