CN108557833A - A kind of high temperature sodium base bentonite preparation method - Google Patents
A kind of high temperature sodium base bentonite preparation method Download PDFInfo
- Publication number
- CN108557833A CN108557833A CN201810343044.2A CN201810343044A CN108557833A CN 108557833 A CN108557833 A CN 108557833A CN 201810343044 A CN201810343044 A CN 201810343044A CN 108557833 A CN108557833 A CN 108557833A
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- Prior art keywords
- sodium
- bentonite
- high temperature
- original ore
- ore soil
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Classifications
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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
Abstract
The present invention provides a kind of high temperature sodium base bentonite preparation methods, after raw ore bentonite is first crushed homogenizing processing, grain size sieves, obtain original ore soil, again original ore soil be added original ore soil quality 0.5 5% coating material, 7 10% receive agent and 1.5 3% activator, 200 300 degrees Celsius, after cooled to room temperature are warming up to after mixing, it carries out ripening, be dried, obtain sodium bentonite.Present invention good dispersion in aqueous medium, colloid index are high；Its soliquid thixotropy, viscosity, lubricity is good, and pH value is high；Thermal stability is good；There are higher plasticity and stronger caking property；Hot green tensile strength and dry compression are high.
Description
Technical field
The present invention relates to bentonite preparation field, specifically a kind of high temperature sodium base bentonite preparation method.
Background technology
Bentonite ore is the mineral products of one kind of multiple purposes, and quality and application field depend primarily on wherein smectite content
With attribute type and its crystal chemistry characteristic.Thus, utilization must be different because of mine, different because of effect.Such as produce activity
Carclazyte, calcium base turn sodium base, for the drilling well slip casting of oil drilling, instead of the slurry that starch is used to spin, print and dye, with interior on building materials
Exterior coating prepares organobentonite, with bentonite synthesis 4A zeolites, production white carbon etc..
Sodium bentonite is divided according to montmorillonite the exchangeable cationic type between layer type, content：Alkaline coefficient be more than or
It is sodium bentonite equal to 1, is calcium-base bentonite less than 1.
The sodium base bentonite everyway prepared under technology room temperature at present is not so good as natural sodium bentonite.Natural Na-bentonite
The expansive force of soil is bigger than artificial sodium bentonite；Natural sodium bentonite is higher than the artificial sodium bentonite c-axis degree of order, crystal grain compared with
Carefully, dispersibility is strong.
Invention content
The present invention in order to solve problems in the prior art, provides a kind of high temperature sodium base bentonite preparation method, is situated between in water
Good dispersion in matter, colloid index are high；Its soliquid thixotropy, viscosity, lubricity is good, and pH values are high；Thermal stability is good；
There are higher plasticity and stronger caking property；Hot green tensile strength and dry compression are high.
The present invention includes the following steps：
1）After raw ore bentonite is crushed homogenizing processing, grain size screening obtains original ore soil；
2）The coating material of original ore soil quality 0.5-5% is added in original ore soil, 7-10% receives agent and the activation of 1.5-3%
Agent is warming up to 200-300 degrees Celsius after mixing；The activator is zinc class compound；
3）Cooled to room temperature carries out ripening, is dried, obtains sodium bentonite.
It is further improved, the agent of receiving is sodium carbonate, sodium metasilicate, sodium fluoride, sodium oxalate, sodium acetate, phosphoric acid class sodium
It is one or more in salt, Sodium Polyacrylate, sodium hydroxide, sodium chloride, sodium thiosulfate and sodium cellulosate.
It is further improved, the zinc class compound is zinc chloride or zinc sulfate.
Advantageous effect of the present invention is：The good dispersion in aqueous medium, colloid index are high；Its soliquid thixotropy,
Viscosity, lubricity are good, and pH values are high；Thermal stability is good；There are higher plasticity and stronger caking property；Hot green tensile strength and dry
Compressive Strength is high.
Specific implementation mode
The invention will be further described below.
Embodiment 1：
The present invention includes the following steps：
1）After raw ore bentonite is crushed homogenizing processing, grain size screening obtains original ore soil；
2）The chlorination of the coating material of original ore soil quality 0.5-5%, the sodium carbonate and 1.5-3% of 7-10% is added in original ore soil
Zinc is warming up to 200-300 degrees Celsius after mixing；
3）Cooled to room temperature carries out ripening, is dried, obtains sodium bentonite.
Embodiment 2：
1）After raw ore bentonite is crushed homogenizing processing, grain size screening obtains original ore soil；
2）Coating material, the sodium hydroxide of 7-10% and the sulphur of 1.5-3% of original ore soil quality 0.5-5% is added in original ore soil
Sour zinc is warming up to 200-300 degrees Celsius after mixing；
3）Cooled to room temperature carries out ripening, is dried, obtains sodium bentonite.
There are many concrete application approach of the present invention, the above is only a preferred embodiment of the present invention, it is noted that for
For those skilled in the art, without departing from the principle of the present invention, it can also make several improvements, this
A little improve also should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of high temperature sodium base bentonite preparation method, it is characterised in that include the following steps：
1）After raw ore bentonite is crushed homogenizing processing, grain size screening obtains original ore soil；
2）The coating material of original ore soil quality 0.5-5% is added in original ore soil, 7-10% receives agent and the activation of 1.5-3%
Agent is warming up to 200-300 degrees Celsius after mixing；The activator is zinc class compound；
3）Cooled to room temperature carries out ripening, is dried, obtains sodium bentonite.
2. high temperature sodium base bentonite preparation method according to claim 1, it is characterised in that：The agent of receiving is carbonic acid
Sodium, sodium metasilicate, sodium fluoride, sodium oxalate, sodium acetate, phosphoric acid class sodium salt, Sodium Polyacrylate, sodium hydroxide, sodium chloride, thiosulfuric acid
It is one or more in sodium and sodium cellulosate.
3. high temperature sodium base bentonite preparation method according to claim 1, it is characterised in that：The zinc class compound is
Zinc chloride or zinc sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343044.2A CN108557833A (en) | 2018-04-17 | 2018-04-17 | A kind of high temperature sodium base bentonite preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343044.2A CN108557833A (en) | 2018-04-17 | 2018-04-17 | A kind of high temperature sodium base bentonite preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108557833A true CN108557833A (en) | 2018-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810343044.2A Pending CN108557833A (en) | 2018-04-17 | 2018-04-17 | A kind of high temperature sodium base bentonite preparation method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108557833A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023740A (en) * | 2021-02-24 | 2021-06-25 | 赤峰市奇运蒙脱石精细化工有限公司 | Method for adjusting mixing proportion of sodium-calcium-based soil |
| CN117338607A (en) * | 2023-10-17 | 2024-01-05 | 广州瑞云材料科技有限公司 | Preparation method and application of amorphous silica abrasive for toothpaste |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1660713A (en) * | 2004-02-24 | 2005-08-31 | 李伟 | New type Nano bentonite and preparing method |
| CN102295294A (en) * | 2010-06-23 | 2011-12-28 | 郁丽华 | Calcium base activation technology |
| CN105293511A (en) * | 2015-11-30 | 2016-02-03 | 浙江丰虹新材料股份有限公司 | Easy-to-disperse sodium bentonite and preparation method thereof |
| CN107585772A (en) * | 2017-09-05 | 2018-01-16 | 宣化燕北矿业有限责任公司 | A kind of preparation method of modified sodium bentonite |
-
2018
- 2018-04-17 CN CN201810343044.2A patent/CN108557833A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1660713A (en) * | 2004-02-24 | 2005-08-31 | 李伟 | New type Nano bentonite and preparing method |
| CN102295294A (en) * | 2010-06-23 | 2011-12-28 | 郁丽华 | Calcium base activation technology |
| CN105293511A (en) * | 2015-11-30 | 2016-02-03 | 浙江丰虹新材料股份有限公司 | Easy-to-disperse sodium bentonite and preparation method thereof |
| CN107585772A (en) * | 2017-09-05 | 2018-01-16 | 宣化燕北矿业有限责任公司 | A kind of preparation method of modified sodium bentonite |
Non-Patent Citations (1)
| Title |
|---|
| 吴文娟 等: "活性膨润土的改性及其在芳烃脱烯烃中的应用", 《金属矿山》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023740A (en) * | 2021-02-24 | 2021-06-25 | 赤峰市奇运蒙脱石精细化工有限公司 | Method for adjusting mixing proportion of sodium-calcium-based soil |
| CN117338607A (en) * | 2023-10-17 | 2024-01-05 | 广州瑞云材料科技有限公司 | Preparation method and application of amorphous silica abrasive for toothpaste |
| CN117338607B (en) * | 2023-10-17 | 2024-04-12 | 广州瑞云材料科技有限公司 | Preparation method and application of amorphous silica abrasive for toothpaste |
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Application publication date: 20180921 |