WO2022057227A1 - 伊利石及其制备方法与应用 - Google Patents
伊利石及其制备方法与应用 Download PDFInfo
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- WO2022057227A1 WO2022057227A1 PCT/CN2021/082384 CN2021082384W WO2022057227A1 WO 2022057227 A1 WO2022057227 A1 WO 2022057227A1 CN 2021082384 W CN2021082384 W CN 2021082384W WO 2022057227 A1 WO2022057227 A1 WO 2022057227A1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/40—Clays
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/26—Aluminium; Compounds thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/10—General cosmetic use
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Definitions
- the invention relates to the technical field of preparation of raw materials for cosmetic skin care products, in particular to a preparation method and application of illite.
- Illite is a potassium-containing aluminosilicate mica clay mineral, first discovered on the island of Erie in the United States. Illite is also called “water muscovite".
- the chemical composition of illite is mainly K 2 O, Al 2 O 3 and SiO 2 .
- Illite has low hardness and non-expansion; at the same time, illite has potassium-rich, high-aluminum, smooth, soft, heat-resistant, high oil absorption, low UV transmittance, good rheology, high whiteness, and wear resistance. It has good properties such as good resistance to acid and alkali, and is widely used in potassium fertilizer preparation, paper pigments, sanitary ceramics, water-retaining functional materials, cosmetics, rubber and plastic fillers and other fields.
- illite has increasingly become an important functional material with multiple uses.
- the purity and particle size of illite directly affect the quality and function of illite, thereby affecting its application field; therefore, the purification and processing of illite is an important process for developing and utilizing illite.
- the illite ore is simply purified by referring to the purification methods of other clay minerals, such as high gradient magnetic separation method, acid leaching method, roasting method, dry gravity method
- the illite ore is purified by chromatography separation, thermal flotation and chemical bleaching.
- problems such as complicated purification process, low purity of illite products and secondary pollution, and rarely involves the control of particle size of illite. .
- the present invention provides a preparation method of high-quality illite, which can improve the purity of illite, make the particle size small and the particle size distribution concentrated.
- One aspect of the present invention provides a preparation method of illite, comprising the following steps:
- the secondary suspension is crushed by the high pressure homogenization method, and then the secondary sedimentation is carried out to separate and obtain illite.
- the pressure when the secondary suspension is crushed by the high-pressure homogenization method is 100 Bar to 300 Bar.
- the pressure when the secondary suspension is crushed by the high-pressure homogenization method is 200 Bar to 300 Bar.
- the time for the primary settling is 0.5d ⁇ 3d;
- the time of the secondary settling is 1d-7d.
- the feed flow rate of the cyclone separation step is 10 m 3 /h to 20 m 3 /h.
- the mass percentage of the illite ore powder is 50% to 90%.
- the time of the primary settling is 1d ⁇ 3d.
- Another aspect of the present invention provides illite prepared by any of the above preparation methods.
- the present invention also provides the application of the above-mentioned illite in the preparation of skin care products.
- the present invention further provides a mud mask comprising the above-mentioned illite.
- the illite ore powder is first mixed with water and then ball-milled.
- the impurities such as gravel and slag entrained in the stone ore powder are separated out to obtain a primary suspension; then the primary suspension is subjected to primary sedimentation, and the impurities in the primary suspension are gradually precipitated, while the illite, that is, pure illite still remains.
- It is suspended in the upper layer liquid, so that impurities can be separated, and a secondary suspension containing higher purity illite can be obtained; further, the secondary suspension is broken by high-pressure homogenization, so as to obtain a finer particle size and a particle size distribution. More concentrated illite, and further secondary sedimentation, so that illite can be further purified to obtain high-purity illite.
- the illite obtained by the above-mentioned high-quality illite preparation method has high purity, small particle size and uniform particle size distribution, thereby improving the appearance, skin feel, adsorption performance and other properties of illite. Further, when the prepared illite is applied in the preparation of skin care products, the skin feel and adsorption performance of the skin care products can be improved.
- the present invention further provides a mud mask, which comprises the above-mentioned illite, and the illite obtained by the above preparation method has high purity, small particle size and uniform particle size distribution, which improves the skin feel and adsorption performance of the obtained mud mask. Okay.
- Fig. 1 is the grinding efficiency figure under different material solid content among the embodiment 1;
- Fig. 2 is the purity figure of the illite obtained under different primary precipitation times in embodiment 3;
- Fig. 3 is the particle size distribution figure of the illite obtained when the pressure of high-pressure homogenization treatment in embodiment 4 is 200Bar;
- Example 4 is a graph showing the purity of illite prepared under different secondary precipitation times in Example 5.
- the purity of illite has always been an important factor in examining the quality of illite, because the purity of illite not only affects its quality and appearance, but also affects its application field and scope of use.
- the purity of illite obtained by the reported illite purification process is mostly between 70% and 80%, and it is rare to obtain high-purity illite, especially illite with a purity of > 90%. Methods of purification of stone.
- the focus of the illite purification process in the prior art is to improve the purity, extraction rate and utilization rate of illite, and there are few reports on the research on the particle size of illite. It is precisely because the quality of illite obtained in the prior art is not high enough, the application field of illite is greatly limited. For example, in the field of skin care products, especially in mud masks, kaolin is mostly used as a mud substitute, while illite is only used as an auxiliary conceptual additive. This is mainly because the purity and quality of illite itself is not high, and it does not have obvious advantages compared with kaolin.
- the technical personnel of the present invention combined the structural characteristics of illite, through the multi-stage crushing process, so that the illite water mica in the illite ore is more fully dissolved in the water, and then the suspension characteristics of the illite water mica and the gravity sedimentation effect are utilized, The illite is separated from the impurity ore to obtain high-purity and high-quality illite.
- the particle size of illite can not only change the skin feel and appearance of skin care products, but also affect its adsorption performance.
- the technical personnel of the present invention creatively adopted the high-pressure homogenization process to crush the illite to have a finer and more uniform particle size, and further purify it to obtain high purity, small particle size and
- the skin feel, appearance and adsorption properties of the skin care products are improved.
- An embodiment of the present invention provides a method for preparing illite, including the following steps S10-S30.
- Step S10 mixing illite ore powder with water, ball milling, and cyclone separation to obtain a primary suspension.
- the illite ore powder is mixed with water and then ball-milled. During the ball milling process, the illite ore powder is crushed to obtain illite with a smaller particle size. Then, the impurities such as crushed stone and slag are separated by cyclone separation, so as to obtain primary illite. suspension.
- the mass percentage of illite ore powder is 50%-90% based on the total mass of illite ore powder and water.
- step S10 the time of the ball milling step is 4h-12h.
- the mass percentage of illite raw ore powder affects the grinding concentration of the material in the ball milling step, and the mass percentage of illite raw ore powder refers to the mass percentage of the solid material contained in the material during the ball milling step. It not only affects the production capacity and energy consumption of the mill, but also affects the quality of the products obtained after ball milling, thereby affecting the purification effect of illite.
- the grinding efficiency of ball mill refers to the ratio between the productivity of the mill and the energy consumption of the mill. The specific calculation is shown in formulas (1), (2) and (3):
- q represents the yield of the mill
- m is the ore output, unit: ton
- V is the effective volume in the barrel of the mill, unit: m 3
- t is the working time of the mill, unit: h .
- W represents the energy consumption of the mill
- P is the power of the ball mill
- the unit is kW
- U is the voltage
- I is the current
- the unit: A is the energy consumption of the mill
- ⁇ represents the grinding efficiency
- q represents the productivity of the mill
- W represents the energy consumption of the mill, unit: kW.
- the mass percentage of illite ore powder is 50% to 90%.
- the yield of ball milling is high, the grinding efficiency is high, and the illite products obtained by ball milling are of good quality.
- the ball milling step in step S10 is performed using a wet ball mill.
- the mass percentage of illite ore powder is 50% to 80%. Further preferably, the mass percentage of illite raw ore powder is 70% to 80%.
- the feed flow rate of the cyclone separation step in step S10 is 10 m 3 /h ⁇ 20 m 3 /h.
- Impurities such as crushed stone or slag mixed in the illite raw ore powder can be separated by cyclone separation, so as to obtain purer illite.
- the technical personnel of the present invention found in the further experiment process that the feed flow rate during the cyclone separation step has a great influence on the separation and purification efficiency of the illite raw ore powder.
- the separation efficiency of the cyclone separation step shows a trend of firstly increasing significantly and then slowly increasing. Specifically, when the inlet flow increased from 10m 3 /h to 15m 3 /h, the separation efficiency increased from 36.61% to about 76.53%; and when the inlet flow continued to increase from 15m 3 /h to 20m 3 / h, the separation efficiency Then it slowly increased to around 82.4%.
- the feed flow rate of the cyclone separation step in step S10 is 15m 3 /h ⁇ 20m 3 /h.
- the cyclone separation step in step S10 is performed using a cyclone separator. Further, those skilled in the present invention found that with the increase of the feed flow, the energy consumption will increase accordingly, and the pressure difference in the cyclone separator will increase, which will lead to the increase of cost and the loss of equipment. aggravation. Further preferably, the feed flow rate of the cyclone separation step in step S10 is 15 m 3 /h.
- step S20 the primary suspension obtained in step S10 is subjected to primary sedimentation to obtain a secondary suspension.
- the primary suspension is subjected to primary sedimentation, the impurities of the primary suspension are gradually precipitated, and the illite mica in the illite is still suspended in the upper liquid, so that the illite can be further purified.
- the time for the primary settling in step S20 is 1d ⁇ 3d.
- the purity of illite refers to the content of illite in illite, and illite has a suspension characteristic. In the primary settlement, the illite with suspension characteristics is still suspended in water, while the impurity ore settles slowly due to gravity down.
- the experiment was carried out to change the time of primary settlement.
- the results showed that: when the time of primary settlement was 1d to 3d, the impurity ore gradually settled down due to the action of gravity, thus increasing the illicit content of illite.
- the content of hydromica increases the purity of illite.
- the primary sedimentation time is more than 3d, some illite with larger particle size in the primary suspension will also settle down, which will reduce the content of illite and the yield of illite.
- the primary settling time is 1d-3d.
- step S20 the separation step adopts negative pressure suction to suck up the upper layer liquid to obtain a secondary suspension.
- step S30 the secondary suspension obtained in step S20 is crushed by a high pressure homogenization method, and then secondary sedimentation is performed to separate and obtain illite.
- the homogenization method crushes the secondary suspension to obtain illite with finer particle size and more concentrated particle size distribution.
- Those skilled in the present invention have found that: using the high pressure homogenization method to crush the secondary suspension, the pressure has a great influence on the particle size of illite, especially the particle size distribution.
- the pressure when the secondary suspension is crushed by the high-pressure homogenization method is 100 Bar to 300 Bar.
- step S30 the pressure when the secondary suspension is crushed by the high-pressure homogenization method is 200 Bar to 300 Bar.
- the pressure is 200Bar to 300Bar, and illite with smaller particle size and more concentrated particle size can be obtained.
- the particle size distribution range of the obtained illite is 198.55nm ⁇ 434.81nm, and the distribution range is 266.4nm ⁇ 357.43nm. relatively concentrated.
- step S30 when the secondary suspension is crushed by the high-pressure homogenization method, the number of times of homogenization is 1 to 3 times; specifically, the number of times of homogenization is 3 times.
- the average particle size of the particles in the suspension is made smaller.
- the solid impurity particles can effectively settle down, so as to effectively separate from the illite hydromica, and further improve the purity of illite.
- step S30 the time for the secondary settling is 1d ⁇ 7d.
- step S30 the time for the secondary settling is 1d-6d.
- the time for the secondary settling is 2d-5d.
- the above preparation method further includes the step S11 of crushing the illite ore to obtain the upper illite ore powder. details as follows:
- step S11 primary crushing of illite ore is performed to obtain illite ore powder. Specifically, primary crushing of illite ore is performed with a jaw crusher to obtain illite ore powder.
- jaw crusher When primary illite ore is crushed by jaw crusher, the processing capacity of jaw crusher is 1t/h ⁇ 800t/h, which can be selected according to the actual material volume.
- ore with better shape and quality is preferred in illite raw ore to remove impurities that are visible and obvious to the naked eye.
- step S30 after the secondary precipitation step, the step of separating and obtaining illite is further included, as follows:
- the supernatant liquid in the suspension is sucked out for evaporation treatment to evaporate excess water, so that the moisture content of the product is kept between 30% and 40%, and then the product is sterilized and then sealed and stored. Obtain high-purity illite.
- An embodiment of the present invention provides illite prepared by any of the above preparation methods.
- the above-mentioned high-quality illite preparation method successively crushes the illite ore powder by ball milling and high-pressure homogenization, which can make the crushing of the illite ore more thorough, and at the same time, through two precipitations, the illite hydromica in the ore can be more fully recovered. Separation, improve the purity of illite while improving the utilization rate of illite.
- the use of high-pressure homogenization technology not only makes the illite broken more thoroughly, but also can control the particle size of the illite, so that the particle size of the prepared finished product is smaller and the particle size distribution is more concentrated, thereby improving the appearance, skin feel and particle size of the illite.
- Adsorption properties and other properties make the obtained illite with high purity, small particle size and uniform particle size distribution, thereby improving the appearance, skin feel, adsorption performance and other properties of illite. Therefore, when the obtained illite with high purity, small particle size and concentrated distribution is used in the preparation of skin care products, the skin feel and adsorption performance of the skin care products can be improved.
- An embodiment of the present invention also provides the application of the above illite in the preparation of skin care products.
- the illite prepared by the above preparation method has high purity, small particle size and uniform particle size distribution, so that the appearance, skin feel, adsorption performance and other properties of illite can be improved. Therefore, when the obtained illite with high purity, small particle size and concentrated distribution is used in the preparation of skin care products, the skin feel and adsorption performance of the skin care products can be improved.
- the present invention further provides a mud mask comprising the above-mentioned illite.
- the present invention is not limited to the following examples.
- step 2) The illite ore powder obtained in step 1) is mixed with water to obtain a mixed material, and the wet ball mill is used for ball milling for 8h. After the ball milling is completed, the mixed material is subjected to cyclone separation by a cyclone separator, and the feed flow rate of the cyclone separation is: 15 m 3 /h to obtain a primary suspension.
- step 2) The primary suspension obtained in step 2) is subjected to primary precipitation for 24 hours, the suspension is layered, and the upper layer liquid in the suspension is sucked out by negative pressure suction, that is, the secondary suspension is obtained by separation.
- step 4) The obtained secondary suspension obtained in step 3) is placed in a high-pressure homogenizer with a pressure of 200Bar to carry out high-pressure homogenization cycle treatment three times, and then secondary precipitation is performed for 72h; then the supernatant in the suspension is suctioned out Evaporation treatment is carried out to evaporate excess water, so that the moisture content of the product is kept between 30% and 40%, and then the product is sterilized and then sealed and stored to obtain high-purity illite.
- the present embodiment 1 explores the influence of the solid content of the material in step 2) on the ball milling efficiency, keeps the total mass of illite ore powder and water and other experimental conditions unchanged, and changes the quality of illite ore powder in step 2), Repeat the above steps, and calculate the grinding efficiency of the ball mill according to the following formula:
- q represents the yield of the mill
- m is the ore output, unit: ton
- V is the effective volume in the barrel of the mill, unit: m 3
- t is the working time of the mill, unit: h .
- W represents the energy consumption of the mill
- P is the power of the ball mill
- the unit is kW
- U is the voltage
- I is the current
- the unit: A is the energy consumption of the mill
- ⁇ represents the grinding efficiency
- q represents the productivity of the mill
- W represents the energy consumption of the mill, unit: kW.
- step 2) Mixing 800g of illite ore powder obtained in step 1) and 200g of water to obtain a mixed material, which was ball-milled for 8 hours with a wet ball mill, and after the ball-milling was completed, the mixed material was subjected to cyclone separation by a cyclone to obtain a primary suspension.
- step 2) The primary suspension obtained in step 2) is subjected to primary precipitation for 24 hours, the suspension is layered, and the upper layer liquid in the suspension is sucked out by negative pressure suction, that is, the secondary suspension is obtained by separation.
- step 4) The obtained secondary suspension obtained in step 3) is placed in a high-pressure homogenizer with a pressure of 200Bar to carry out high-pressure homogenization cycle treatment three times, and then secondary precipitation is performed for 72h; then the supernatant in the suspension is suctioned out Evaporation treatment is carried out to evaporate excess water, so that the moisture content of the product is kept between 30% and 40%, and then the product is sterilized and then sealed and stored to obtain high-purity illite.
- step 2 the influence of the feed flow rate during cyclone separation on the separation effect was explored, and other conditions were kept unchanged, the feed flow rate of cyclone separation was changed, and the above steps were repeated for three times each time. Experiment and calculate the average. The results are shown in Table 2. Among them, the calculation formula of separation efficiency is as follows:
- ⁇ represents the separation efficiency
- ⁇ o represents the sand content at the bottom of the cyclone
- ⁇ i represents the sand content at the inlet of the cyclone.
- step 2) 800g of illite raw ore powder obtained in step 1) and 200g of water were mixed to obtain a mixture, and a wet ball mill was used for ball milling for 8h. After the ball milling, the mixture was separated by a cyclone by a cyclone, and the feed flow was 15m . /h to obtain a primary suspension.
- step 2) The primary suspension obtained in step 2) is subjected to primary precipitation, the suspension is layered, and the upper layer liquid in the suspension is sucked out by negative pressure suction, that is, the secondary suspension is obtained by separation.
- step 4) The obtained secondary suspension obtained in step 3) is placed in a high-pressure homogenizer with a pressure of 200Bar to carry out high-pressure homogenization cycle treatment three times, and then secondary precipitation is performed for 72h; then the supernatant in the suspension is suctioned out Evaporation treatment is carried out to evaporate excess water, so that the moisture content of the product is kept between 30% and 40%, and then the product is sterilized and then sealed and stored to obtain high-purity illite.
- step 3 the influence of the time of primary precipitation on the purification effect was explored, other conditions were kept unchanged, the time of primary precipitation was changed, and the above steps were repeated.
- the results are shown in FIG. 2 , in which the ordinate is the illite purity (%), and the abscissa is the primary precipitation time (d).
- the purity of illite shows a trend of increasing significantly at first and then slowly increasing.
- the sedimentation time is 0 days
- the purity of the obtained illite is 41%.
- the purity of illite reaches 84.1%
- the purity of sedimentation for 2 days and 3 days is 88.5% and 90.3%, respectively.
- step 2) 800g of illite raw ore powder obtained in step 1) and 200g of water were mixed to obtain a mixture, and a wet ball mill was used for ball milling for 8h. After the ball milling, the mixture was separated by a cyclone by a cyclone, and the feed flow was 15m . /h to obtain a primary suspension.
- step 2) The primary suspension obtained in step 2) is subjected to primary precipitation for 1 d, the suspension is layered, and the upper layer liquid in the suspension is sucked out by negative pressure suction, that is, the secondary suspension is obtained by separation.
- step 4) The obtained secondary suspension obtained in step 3) is placed in a high-pressure homogenizer with different pressures to carry out high-pressure homogenization cycle treatment three times, and then secondary precipitation is performed for 72h; then the supernatant in the suspension is suctioned out for Evaporation treatment is carried out to evaporate excess water, so that the water content of the product is kept between 30% and 40%, and then the product is sterilized and then sealed and stored to obtain high-purity illite.
- step 4 the influence of the pressure of the high-pressure homogenization treatment on the particle size of illite was explored, and other conditions were kept unchanged, the pressure of the high-pressure homogenization treatment was changed, and the above steps were repeated.
- the experiments were repeated three times each time, and the average particle size was calculated.
- Table 3 As the homogenization pressure increases from 100 Bar to 300 Bar, the average particle size of illite decreases from 401.35 nm to 332.64 nm, showing a decreasing trend with increasing pressure. But when the pressure is 200Bar, the average particle size of illite is 342.52nm.
- the third detection of particle size 405.32nm 342.78nm 331.84nm The average particle size 401.35nm 342.52nm 332.64nm
- the particle size distribution of the illite obtained when the pressure of the test high-pressure homogenization treatment was 200Bar was detected, and the results were as shown in accompanying drawing 3, in the figure, the ordinate is the particle size (nm), and the abscissa is expressed as Relative Strength. It can be seen from the figure that the particle size distribution range of illite is 198.55nm ⁇ 434.81nm, and the distribution range is relatively concentrated between 266.4nm ⁇ 357.43nm.
- step 2) 800g of illite raw ore powder obtained in step 1) and 200g of water were mixed to obtain a mixed material, and the wet ball mill was used for ball milling for 8h. After the ball milling, the mixed material was separated by a cyclone by a cyclone, and the feed flow rate was 20 m /h to obtain a primary suspension.
- step 2) The primary suspension obtained in step 2) is subjected to primary precipitation for 1 d, the suspension is layered, and the upper layer liquid in the suspension is sucked out by negative pressure suction, that is, the secondary suspension is obtained by separation.
- step 4) the obtained secondary suspension obtained in step 3) is placed in a high-pressure homogenizer with a pressure of 200Bar to carry out high-pressure homogenization and circulation treatment three times, and then secondary precipitation is carried out; Evaporation treatment is carried out to evaporate excess water, so that the water content of the product is kept between 30% and 40%, and then the product is sterilized and then sealed and stored to obtain high-purity illite.
- step 4 the influence of the time of secondary precipitation on the purity of illite was explored, other conditions were kept unchanged, the time of secondary precipitation was changed, and the above steps were repeated.
- the results are shown in FIG. 4 , in which the ordinate represents the purity of the prepared illite, and the abscissa represents the precipitation time (d) of the secondary precipitation.
- the time of secondary precipitation is basically the same as the embodiment when the time is 3d, the difference is: in step 4) in Comparative Example 1, the secondary suspension is crushed by ball milling.
- the results show that the purity of the obtained illite is 90.5%; the distribution range is 800nm-1700nm, and the distribution is concentrated between 1050nm-1580nm, and the particle size distribution is not concentrated.
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Abstract
Description
磨矿浓度 | 伊利石纯度 |
50% | 85% |
60% | 89% |
70% | 92.5% |
80% | 94% |
90% | 91.5% |
压力 | 100Bar | 200Bar | 300Bar |
第一次检测粒径 | 400.05nm | 340.59nm | 329.75nm |
第二次检测粒径 | 398.69nm | 344.19nm | 336.32nm |
第三次检测粒径 | 405.32nm | 342.78nm | 331.84nm |
平均粒径 | 401.35nm | 342.52nm | 332.64nm |
Claims (10)
- 一种伊利石的制备方法,其特征在于,包括以下步骤:将伊利石原矿粉与水混合,球磨,旋流分离,得到初级悬浮液;将所述初级悬浮液进行初级沉降,分离得到二级悬浮液;采用高压均质法破碎所述二级悬浮液,再进行二级沉降,分离得到伊利石。
- 如权利要求1所述的制备方法,其特征在于,所述采用高压均质法破碎所述二级悬浮液时的压力为100Bar~300Bar。
- 如权利要求1所述的制备方法,其特征在于,所述采用高压均质法破碎所述二级悬浮液时的压力为200Bar~300Bar。
- 如权利要求1所述的制备方法,其特征在于,所述初级沉降的时间为0.5d~3d;和/或所述二级沉降的时间为1d~7d。
- 如权利要求1~4任一项所述的制备方法,其特征在于,所述旋流分离步骤的进料流量为10m 3/h~20m 3/h。
- 如权利要求1~4任一项所述的制备方法,其特征在于,以所述伊利石原矿粉与所述水的总质量为基准,所述伊利石原矿粉的质量百分数为50%~90%。
- 如权利要求1~4任一项所述的制备方法,其特征在于,所述初级沉降的时间为1d~3d。
- 如权利要求1~7任一项所述的制备方法制得的伊利石。
- 如权利要求8所述的伊利石在制备护肤品中的应用。
- 一种泥浆面膜,其特征在于,所述泥浆面膜包括如权利要求8所述的伊利石。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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AU2021342988A AU2021342988B2 (en) | 2020-09-21 | 2021-03-23 | Illite, preparation method therefor and use thereof |
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CN112875715A (zh) * | 2021-03-03 | 2021-06-01 | 滁州格锐矿业有限责任公司 | 面膜用伊利石的加工方法 |
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