CN115385349A - Load modified cellulose-bentonite and preparation method thereof - Google Patents
Load modified cellulose-bentonite and preparation method thereof Download PDFInfo
- Publication number
- CN115385349A CN115385349A CN202210941912.3A CN202210941912A CN115385349A CN 115385349 A CN115385349 A CN 115385349A CN 202210941912 A CN202210941912 A CN 202210941912A CN 115385349 A CN115385349 A CN 115385349A
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- Prior art keywords
- parts
- bentonite
- cellulose
- stirring
- mixing
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Links
- 229910000278 bentonite Inorganic materials 0.000 title claims abstract description 44
- 239000000440 bentonite Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 30
- 229920002678 cellulose Polymers 0.000 claims abstract description 26
- 239000001913 cellulose Substances 0.000 claims abstract description 26
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims abstract description 26
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 24
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims abstract description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 18
- 241001330002 Bambuseae Species 0.000 claims abstract description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 18
- 239000011425 bamboo Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 18
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 17
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011775 sodium fluoride Substances 0.000 claims abstract description 10
- 235000013024 sodium fluoride Nutrition 0.000 claims abstract description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract 2
- 238000003756 stirring Methods 0.000 claims description 37
- 238000002156 mixing Methods 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 7
- 229920001046 Nanocellulose Polymers 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 2
- 229940092782 bentonite Drugs 0.000 description 29
- 229910000281 calcium bentonite Inorganic materials 0.000 description 3
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 3
- 229910000280 sodium bentonite Inorganic materials 0.000 description 3
- 229940080314 sodium bentonite Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses load modified cellulose-bentonite, which belongs to the field of bentonite preparation, and is prepared from the following components in parts by mass: 50-80 parts of bentonite; 1-2 parts of sodium salt; 3-6 parts of nano-cellulose; 1-2 parts of bamboo powder; 0.1-0.2 part of lithium chloride; 1-2 parts of caustic soda; 10-16 parts of polyethylene glycol; 5-8 parts of deionized water. According to the invention, the lithium chloride is used for modifying the cellulose, and the sodium fluoride is used for modifying the bentonite, so that the modified cellulose-bentonite is finally obtained, and the physical viscosity and the expansion rate of the bentonite prepared by the method are greatly improved.
Description
Technical Field
The invention belongs to the field of bentonite preparation, and particularly relates to load modified cellulose-bentonite and a preparation method thereof.
Background
Bentonite is defined as a non-metal mineral product with montmorillonite as a main mineral component, and the bentonite has good expansibility, cation exchange property, adsorbability, stability, suspensibility and dispersibility due to the physical properties of the bentonite, so the bentonite is used as a good material in the fields of sewage treatment, casting metallurgy, daily chemical industry and the like.
Sodium bentonite and calcium bentonite are used more at present; the expansion multiple of sodium bentonite is as high as 20-30 times, and the expansion multiple of calcium bentonite is only several times to dozens of times. However, the physical viscosity and the expansion rate of bentonite on the market are not very high in both sodium bentonite and calcium bentonite.
Disclosure of Invention
Aiming at the problems in the prior art, the invention discloses load modified cellulose-bentonite and a preparation method thereof, wherein the cellulose is modified by lithium chloride, and the bentonite is modified by sodium fluoride to finally obtain the load modified cellulose-bentonite, and the physical viscosity and the expansion rate of the bentonite prepared by the invention are greatly improved.
The invention is realized by the following steps:
the load modified cellulose-bentonite is characterized by being prepared from the following components in parts by mass: 50-80 parts of bentonite; 1-2 parts of sodium salt; 3-6 parts of nano-cellulose; 1-2 parts of bamboo powder; 0.1-0.2 part of lithium chloride; 1-2 parts of caustic soda; 10-16 parts of polyethylene glycol; 5-8 parts of deionized water.
Further, the sodium salt is sodium fluoride.
Further, the mass part ratio of the nano-cellulose to the bamboo powder is 3:1.
Further, the mass part ratio of the polyethylene glycol to the deionized water is 2:1.
The invention also discloses a preparation method of the load modified cellulose-bentonite, which is characterized by comprising the following steps:
step one, stirring and mixing 3-6 parts of nano cellulose and 1-2 parts of bamboo powder at a high speed for 30-50 min, and standing;
step two, after standing the mixed cellulose, adding 5-8 parts of deionized water and 10-16 parts of polyethylene glycol, stirring and mixing at a low speed for 10-15 min, adding 50-80 parts of bentonite and 1-2 parts of sodium salt after stirring, heating, and stirring and mixing at a high speed for 30-50 min; heating to 50-60 ℃, and keeping the temperature for 30min;
and step three, adding 0.1-0.2 part of lithium chloride and 1-2 parts of caustic soda into the slurry obtained in the step two, and stirring and mixing at a low speed for 10-15 min at normal temperature.
Further, the speed of the high-speed stirring and mixing is as follows: 200-300 r/min; the low-speed stirring and mixing speed is as follows: 50-80 r/min.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the combination of lithium chloride and cellulose is adopted, so that the cellulose has higher tensile strength; according to the invention, sodium fluoride is adopted to completely exchange with Ca < 2+ > in bentonite, so that the bentonite has better colloid and dispersion properties, the suspension has good fluidity, and the bentonite has better retention and drainage effects on nano cellulose and bamboo powder.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention more clear, the present invention is further described in detail by referring to examples below. It should be noted that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The preparation method of the load modified cellulose-bentonite of the embodiment comprises the following steps:
step one, stirring and mixing 3 parts of nano-cellulose and 1 part of bamboo powder at a high speed for 30-50 min, and standing; the mass ratio of the nano-cellulose to the bamboo powder is 3:1.
Step two, after standing the mixed cellulose, adding 8 parts of deionized water and 16 parts of polyethylene glycol (the mass part ratio of the polyethylene glycol to the deionized water is 2:1), stirring and mixing at a low speed for 10-15 min, adding 75 parts of bentonite and 2 parts of sodium salt after stirring, heating, and stirring and mixing at a high speed for 30-50 min; heating to 50-60 ℃, and keeping the temperature for 30min; the sodium salt is sodium fluoride.
And step three, adding 0.1 part of lithium chloride and 1 part of caustic soda into the slurry obtained in the step two, and stirring and mixing at low speed for 10-15 min at normal temperature.
Example 2
The preparation method of the load modified cellulose-bentonite of the embodiment comprises the following steps:
step one, stirring and mixing 3 parts of nano-cellulose and 1 part of bamboo powder at a high speed for 30-50 min, and standing; the mass ratio of the nano-cellulose to the bamboo powder is 3:1.
Step two, after standing the mixed cellulose, adding 5 parts of deionized water and 10 parts of polyethylene glycol (the mass part ratio of the polyethylene glycol to the deionized water is 2:1), stirring and mixing at a low speed for 10-15 min, adding 50 parts of bentonite and 1 part of sodium salt after stirring, heating, and stirring and mixing at a high speed for 30-50 min; heating to 50-60 ℃, and keeping the temperature for 30min; the sodium salt is sodium fluoride.
And step three, adding 0.1 part of lithium chloride and 1 part of caustic soda into the slurry obtained in the step two, and stirring and mixing at a low speed for 10-15 min at normal temperature.
Example 3
The preparation method of the load modified cellulose-bentonite of the embodiment comprises the following steps:
step one, stirring and mixing 6 parts of nano-cellulose and 2 parts of bamboo powder at a high speed for 30-50 min, and standing; the mass ratio of the nano-cellulose to the bamboo powder is 3:1.
Step two, after standing the mixed cellulose, adding 8 parts of deionized water and 16 parts of polyethylene glycol (the mass part ratio of the polyethylene glycol to the deionized water is 2:1), stirring and mixing at a low speed for 10-15 min, adding 80 parts of bentonite and 2 parts of sodium salt after stirring, heating, and stirring and mixing at a high speed for 30-50 min; heating to 50-60 ℃, and keeping the temperature for 30min; the sodium salt is sodium fluoride.
And step three, adding 0.2 part of lithium chloride and 2 parts of caustic soda into the slurry obtained in the step two, and stirring and mixing at a low speed for 10-15 min at normal temperature.
Example 4
The preparation method of the load modified cellulose-bentonite of the embodiment comprises the following steps:
step one, stirring and mixing 3 parts of nano-cellulose and 1 part of bamboo powder at a high speed for 30-50 min, and standing; the mass ratio of the nano-cellulose to the bamboo powder is 3:1.
Step two, after standing the mixed cellulose, adding 7 parts of deionized water and 14 parts of polyethylene glycol (the mass part ratio of the polyethylene glycol to the deionized water is 2:1), stirring and mixing at a low speed for 10-15 min, adding 60 parts of bentonite and 2 parts of sodium salt after stirring, heating, and stirring and mixing at a high speed for 30-50 min; heating to 50-60 ℃, and keeping the temperature for 30min; the sodium salt is sodium fluoride.
And step three, adding 0.2 part of lithium chloride and 1 part of caustic soda into the slurry obtained in the step two, and stirring and mixing at low speed for 10-15 min at normal temperature.
Example 5
The preparation method of the load modified cellulose-bentonite of the embodiment comprises the following steps:
step one, stirring and mixing 6 parts of nano-cellulose and 2 parts of bamboo powder at a high speed for 30-50 min, and standing; the mass ratio of the nano-cellulose to the bamboo powder is 3:1.
Step two, after standing the mixed cellulose, adding 6 parts of deionized water and 12 parts of polyethylene glycol (the mass part ratio of the polyethylene glycol to the deionized water is 2:1), stirring and mixing at a low speed for 10-15 min, adding 65 parts of bentonite and 1 part of sodium salt after stirring, heating, and stirring and mixing at a high speed for 30-50 min; heating to 50-60 ℃, and keeping the temperature for 30min; the sodium salt is sodium fluoride.
And step three, adding 0.2 part of lithium chloride and 1 part of caustic soda into the slurry obtained in the step two, and stirring and mixing at a low speed for 10-15 min at normal temperature.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (6)
1. The load modified cellulose-bentonite is characterized by being prepared from the following components in parts by mass:
50-80 parts of bentonite;
1-2 parts of sodium salt;
3-6 parts of nano-cellulose;
1-2 parts of bamboo powder;
0.1-0.2 part of lithium chloride;
1-2 parts of caustic soda;
10-16 parts of polyethylene glycol;
5-8 parts of deionized water.
2. The supported modified cellulose-bentonite according to claim 1, wherein the sodium salt is sodium fluoride.
3. The supported modified cellulose-bentonite as claimed in claim 1, wherein the mass part ratio of the nano-cellulose to the bamboo powder is 3:1.
4. The supported modified cellulose-bentonite according to claim 1, wherein the mass part ratio of the polyethylene glycol to the deionized water is 2:1.
5. The preparation method of the supported modified cellulose-bentonite according to any one of claims 1 to 4, characterized in that the preparation method comprises the following steps:
step one, stirring and mixing 3-6 parts of nano cellulose and 1-2 parts of bamboo powder at a high speed for 30-50 min, and standing;
step two, after standing the mixed cellulose, adding 5-8 parts of deionized water and 10-16 parts of polyethylene glycol, stirring and mixing at a low speed for 10-15 min, adding 50-80 parts of bentonite and 1-2 parts of sodium salt after stirring, heating, and stirring and mixing at a high speed for 30-50 min; heating to 50-60 ℃, and keeping the temperature for 30min;
and step three, adding 0.1-0.2 part of lithium chloride and 1-2 parts of caustic soda into the slurry obtained in the step two, and stirring and mixing at a low speed for 10-15 min at normal temperature.
6. The method for preparing the supported modified cellulose-bentonite according to claim 5, wherein the high-speed stirring and mixing speed is as follows: 200-300 r/min; the low-speed stirring and mixing speed is as follows: 50-80 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941912.3A CN115385349A (en) | 2022-08-08 | 2022-08-08 | Load modified cellulose-bentonite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941912.3A CN115385349A (en) | 2022-08-08 | 2022-08-08 | Load modified cellulose-bentonite and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115385349A true CN115385349A (en) | 2022-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210941912.3A Pending CN115385349A (en) | 2022-08-08 | 2022-08-08 | Load modified cellulose-bentonite and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115385349A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966404A (en) * | 2017-04-11 | 2017-07-21 | 安徽博硕科技有限公司 | A kind of modified alta-mud and preparation method thereof |
| CN108559450A (en) * | 2018-05-23 | 2018-09-21 | 天津泰班科技发展有限公司 | A kind of dustfall agent and preparation method thereof |
| JP2019151681A (en) * | 2018-02-28 | 2019-09-12 | 国立研究開発法人産業技術総合研究所 | Lignin clay composite film and method for producing the same |
-
2022
- 2022-08-08 CN CN202210941912.3A patent/CN115385349A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966404A (en) * | 2017-04-11 | 2017-07-21 | 安徽博硕科技有限公司 | A kind of modified alta-mud and preparation method thereof |
| JP2019151681A (en) * | 2018-02-28 | 2019-09-12 | 国立研究開発法人産業技術総合研究所 | Lignin clay composite film and method for producing the same |
| CN108559450A (en) * | 2018-05-23 | 2018-09-21 | 天津泰班科技发展有限公司 | A kind of dustfall agent and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘娜, 刘温霞: "高浓液相改性膨润土的开发前景", 中国造纸, no. 05 * |
| 王运升等: "科学发展与社会责任 A卷", 31 October 2008, 辽宁科学技术出版社, pages: 242 * |
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