CN103007876A - Decoloring carclazyte produced from ledikite and turface mixed layer clay as well as production method and application of decoloring carclazyte - Google Patents
Decoloring carclazyte produced from ledikite and turface mixed layer clay as well as production method and application of decoloring carclazyte Download PDFInfo
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- CN103007876A CN103007876A CN201210562290XA CN201210562290A CN103007876A CN 103007876 A CN103007876 A CN 103007876A CN 201210562290X A CN201210562290X A CN 201210562290XA CN 201210562290 A CN201210562290 A CN 201210562290A CN 103007876 A CN103007876 A CN 103007876A
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- clay
- layer clay
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- bleaching
- decoloring
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Abstract
The invention discloses decoloring carclazyte produced from ledikite and turface mixed layer clay as well as a production method and application of the decoloring carclazyte. The inventor selects and uses the novel material (namely the ledikite and turface mixed layer clay) as the main raw material and respectively adopts a dry process and a wet process to carry out appropriate physical and chemical treatments of the ledikite and turface mixed layer clay to prepare the decoloring carclazyte which can be used as a decolorizing agent. The product is low in production cost, simple in production technology and free of acid waste water pollution in production process, ensures clean and beautiful production environment, has high adsorptive capacity and good decoloring effect, is a new source for high-quality and excellent decolorizing agent products, and can be widely applied to the fields such as grease, chemicals engineering and environmental protection.
Description
Technical field
The invention belongs to the fat decolourizing agent technical field, relate in particular to a kind of usefulness she/deceive people bleaching clay and production method and an application that layer clay produced.
Background technology
The decolorizing purification that decolorizer is widely used in vegetable oil, animal oil, mineral oil has been well known, but the manufacturing enterprise of most of decolorizers adopts traditional handicraft in order to improve decolorizing effect, it is the acidifying infusion method, there are many defectives in this method, carry out rinsing such as a large amount of water sources of needs, have sour waste water treatment link, the production process more complicated, virtually increased the input of human and material resources, financial resources, product cost is high.If can ward off in addition the small stream footpath, to find out one and can avoid producing sour waste water, the production method that can improve again the product decolorizing effect is the target that the decolorizer industry is pursued.
She/deceive people layer clay neither illite clay, neither bentonite, but formed by illite (hydromica 30～70%) and two kinds of clay minerals of montmorillonite (bentonite 20～49%).She/deceive people the criterion of layer clay: SiO
2/ Al
2O
3Ratio is less than 4, and smectite content is 20～49%, and the highest colloid index and the compromise of minimum colloid index reach more than 40%.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of high adsorption capacity, good decolorizing effect, production cost is low and the usefulness of anacidity contaminated wastewater she/deceive people method and a bleaching clay that layer clay produced bleaching clay.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: with she/deceive people the bleaching clay that layer clay produced, take she/deceive people layer clay to make as primary raw material.
Above-mentioned usefulness she/deceive people the production method of the bleaching clay that layer clay produce, with she/deceive people layer clay raw ore through fragmentation, oven dry, grinding, namely get dry method bleaching clay powder.
Above-mentioned usefulness she/deceive people the production method of the bleaching clay that layer clay produce, with she/deceive people layer clay crushing raw ore to average grain diameter less than 20 orders, 80 ℃～300 ℃ lower oven dry, become 200 orders through grinding again, namely get dry method bleaching clay powder.
Dry method bleaching clay powder moisture is less than 8%.
Above-mentioned usefulness she/deceive people the production method of the bleaching clay that layer clay produce, with she/deceive people layer clay raw ore through fragmentation, acid soak, pH adjusting, oven dry, grinding, namely get wet method bleaching clay powder.
Above-mentioned usefulness she/deceive people the production method of the bleaching clay that layer clay produce, with she/deceive people layer clay crushing raw ore to average grain diameter less than 20 orders, the sulfuric acid solution of putting into mass concentration 0.1～20% soaks, and stirs, and then adds the Na of mass concentration 1%～50%
2CO
3Solution is adjusted the pH value to neutral, and 80 ℃～300 ℃ lower oven dry, grinding becomes 200 orders, namely gets wet method bleaching clay powder with slurry.
Wet method bleaching clay powder moisture is less than 8%.
Above-mentioned usefulness she/deceive people the application of bleaching clay aspect decolorizer that layer clay produced.
Above-mentioned application is at grease, chemical industry, field of Environment Protection.
The problems such as the production cost for existence in the existing decolorizer production is high, sour contaminated wastewater, the inventor select new material she/to deceive people layer clay be primary raw material, adopt respectively dry method and wet method, with she/deceive people layer clay to process through a suitable physics and chemistry, made the bleaching clay with decolorizer purposes.This production cost is low, production technology is simple, production process anacidity contaminated wastewater, production environment are neatly graceful, its high adsorption capacity, good decolorizing effect, be that high-quality good decolorizer product is newly originated, but extensive use is in fields such as grease, chemical industry, environmental protection.
Description of drawings
Fig. 1 be the present invention with she/deceive people the dry process flow chart that layer clay produced bleaching clay.
Fig. 2 be the present invention with she/deceive people the wet processing flow chart that layer clay produced bleaching clay.
The specific embodiment
Following examples raw materials used she/deceive people layer clay from the Shangsi County, Guangxi, its chemical compositions by percentage is: SiO
263.64, Al
2O
317.81, Fe
2O
33.87, CaO0.25, MgO2.07, loss on ignition 7.89; Material web X diffraction analysis shows smectite content about 30%, illite content about 35%; The highest colloid index 98%, minimum colloid index 41%, compromise 69.5%, SiO
2/ Al
2O
3Ratio 3.57.Therefore, judge think on the raw material clay belong to she/deceive people a layer clay.
Embodiment 1
With she/deceive people layer clay crushing raw ore to average grain diameter less than 20 orders, 100 ℃ of lower oven dry 1 hour, become 200 orders through grinding again, namely get dry method bleaching clay powder (moisture is less than 1%).
Embodiment 2
80 ℃ of lower oven dry 3 hours, other are substantially with embodiment 1.
Embodiment 3
300 ℃ of lower oven dry 0.5 hour, other are substantially with embodiment 1.
As shown in Figure 1, embodiment 1 to 3 adopts dry process, and its key is to control well the granularity of bake out temperature, grinding powder.
Embodiment 4
With she/deceive people layer clay crushing raw ore to average grain diameter less than 20 orders, the sulfuric acid solution of putting into mass concentration 4% soaks, and stirs, and adds the Na of mass concentration 10% behind the 8h
2CO
3Solution is adjusted the pH value to neutral, and 105 ℃ of lower oven dry, grinding becomes 200 orders, namely gets wet method bleaching clay powder (moisture is less than 1%) with slurry.
Embodiment 5
Sulfuric acid solution mass concentration 20%, Na
2CO
3Concentration of polymer solution 45%, 80 ℃ of bake out temperatures, other are substantially with embodiment 4.
Embodiment 6
Sulfuric acid solution mass concentration 1%, Na
2CO
3Concentration of polymer solution 5%, 300 ℃ of bake out temperatures, other are substantially with embodiment 4.
As shown in Figure 2, embodiment 4 to 6 adopts wet processings, so its key is being controlled sulfuric acid solution mass concentration in the production process, pH value, bake out temperature, powder granularity well.The pH adjusting joins in the acidificated slurry with certain density carbonate solution and mixes, and the Balancing degree need not rinsing after this process, directly enters into the oven dry link, avoids producing sour waste water, has simplified production technology.
Get the bleaching clay of embodiment 1 to 6, carry out the decolorizing effect test by following percent of decolourization determination method.
The percent of decolourization determination method
1. principle
Get the pitch lam-oil solution of the known absorbance of certain volume, add a certain amount of sample and decolour, measure the absorbance of the rear pitch lam-oil solution of decolouring.Minimizing value according to absorbance is calculated the percent of decolourization that is expressed as a percentage.
2. reagent, material, instrument, equipment
Kerosene (meeting GB253), building petroleum asphalt (meeting GB/T494)
Spectrophotometer (being furnished with 1 ㎝ absorption cell), electronic vibrating machine (frequency 240 times/minutes)
3. the preparation of colourless lam-oil
Take by weighing 200g in advance at 105 ℃～110 ℃ dry bleaching clays of crossing, place the 1000mL illuminating kerosene, high degree of agitation 10min filters in cleaning clean container with the middling speed qualitative filter paper.In wavelength 590nm place, make reference with water with spectrophotometer, measure absorbance.Its absorbance should be zero.
4. the preparation of pitch lam-oil solution
The outer surface of building petroleum asphalt is peelled off with pocket knife, be cut into threadly, take by weighing 0.74g～0.75g and place the 250mL beaker; Add a small amount of colourless lam-oil, in 70 ℃～80 ℃ water-baths, constantly be stirred to whole dissolvings.Be diluted to 1000mL with colourless lam-oil, mixing is placed 1h; Use spectrophotometer, in wavelength 590nm place, make reference with colourless lam-oil, measure absorbance, its absorbance should be 1.00～1.05.
5. measure
Take by weighing (1.50 ± 0.01) g sample, place the 250mL conical flask of cleaning dry zone grinding port plug, add 50mL pitch lam-oil solution with pipette, slightly vibrate several lower, place the 60min(that vibrates on the electronic vibrating machine to be accurate to 1min); Filter complete soln with the middling speed qualitative filter paper, filtrate is shaken up, use spectrophotometer, in wavelength 590nm place, make reference with colourless lam-oil, measure absorbance.
6. the statement of analysis result
The percent of decolourization that is expressed as a percentage, calculate by formula (1):
In the formula (1): A
0Be the absorbance of pitch lam-oil solution before the decolouring, A1 is the absorbance of pitch lam-oil solution after the decolouring.
Through check, the percent of decolourization of embodiment 1 to 3 bleaching clay is respectively 95.8%, 90.8%, 93.1%; The percent of decolourization of embodiment 4 to 6 bleaching clays is respectively 98.7%, 97.2%, 98.0%, and wet method product percent of decolourization is a little more than dry method.
As seen, with she/deceive people the bleaching clay product that layer clay produced, obtained extremely strong adsorption capacity, show extremely strong decoloring ability, percent of decolourization is high, can be suitable for animal oil, vegetable oil decoloration, and can extensively be used in the industries such as petrochemical industry, building materials, agricultural, environmental protection.
With she/deceive people layer strong decoloring ability of the bleaching clay of clay production mainly by existing simultaneously this characteristic of illite clay and montmorillonitic clay to determine in the product.Because the hydromica structure is many microporous crystals of fish scale sheet structure in the illite clay, montmorillonitic clay then has than characteristics such as higher suspension abilities, and she/to deceive people layer clay pit self also be natural micro-nano material, the micro-nano content of raw ore itself reaches 45.8% more than, after passing through suitable physical of the present invention, chemical treatment, just give the physical and chemical performance such as absorption, decolouring of bleaching clay uniqueness in addition.
Claims (9)
- One kind with she/deceive people the bleaching clay that layer clay produced, it is characterized in that take she/deceive people layer clay to make as primary raw material.
- According to claim 1 described usefulness she/deceive people the production method of the bleaching clay that layer clay produce, it is characterized in that with she/deceive people layer clay raw ore through fragmentation, oven dry, grinding, namely get dry method bleaching clay powder.
- According to claim 2 described usefulness she/deceive people the production method of the bleaching clay that layer clay produce, it is characterized in that with she/deceive people layer clay crushing raw ore to average grain diameter less than 20 orders, 80 ℃～300 ℃ lower oven dry, become 200 orders through grinding again, namely get dry method bleaching clay powder.
- According to claim 3 described usefulness she/deceive people the production method of the bleaching clay that layer clay produce, it is characterized in that: described dry method bleaching clay powder moisture is less than 8%.
- According to claim 1 described usefulness she/deceive people the production method of the bleaching clay that layer clay produce, it is characterized in that with she/deceive people layer clay raw ore through fragmentation, acid soak, pH adjusting, oven dry, grinding, namely get wet method bleaching clay powder.
- According to claim 5 described usefulness she/deceive people the production method of the bleaching clay that layer clay produce, it is characterized in that with she/deceive people layer clay crushing raw ore to average grain diameter less than 20 orders, the sulfuric acid solution of putting into mass concentration 0.1～20% soaks, stir, then add the Na of mass concentration 1%～50% 2CO 3Solution is adjusted the pH value to neutral, and 80 ℃～300 ℃ lower oven dry, grinding becomes 200 orders, namely gets wet method bleaching clay powder with slurry.
- According to claim 6 described usefulness she/deceive people the production method of the bleaching clay that layer clay produce, it is characterized in that: described wet method bleaching clay powder moisture is less than 8%.
- According to claim 1 described usefulness she/deceive people the application of bleaching clay aspect decolouring that layer clay produced.
- 9. described application is at grease, chemical industry, field of Environment Protection according to claim 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210562290XA CN103007876A (en) | 2012-12-22 | 2012-12-22 | Decoloring carclazyte produced from ledikite and turface mixed layer clay as well as production method and application of decoloring carclazyte |
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|---|---|---|---|
| CN201210562290XA CN103007876A (en) | 2012-12-22 | 2012-12-22 | Decoloring carclazyte produced from ledikite and turface mixed layer clay as well as production method and application of decoloring carclazyte |
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| CN103007876A true CN103007876A (en) | 2013-04-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588214A (en) * | 2013-10-17 | 2014-02-19 | 华南理工大学 | Preparation methods of illite/montmorillonite clay nanometer slurry and illite/montmorillonite clay nanometer powder |
| CN103585951A (en) * | 2013-10-17 | 2014-02-19 | 华南理工大学 | Illite/montmorillonite clay heavy metal ion adsorbent and preparation method thereof |
| CN103979563A (en) * | 2014-06-01 | 2014-08-13 | 许盛英 | Acidized illite-montmorillonite mixed-layer clay |
| CN103979560A (en) * | 2014-06-01 | 2014-08-13 | 许盛英 | Sodium-modified illite-montmorillonite mixed-layer clay |
| CN106824130A (en) * | 2017-02-22 | 2017-06-13 | 李峰 | A kind of decolorising agent of the addition modified active illite/smectite mixed layer clay refined for vegetable oil |
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| CN102557057A (en) * | 2011-12-28 | 2012-07-11 | 攀枝花学院 | Active argil and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102557057A (en) * | 2011-12-28 | 2012-07-11 | 攀枝花学院 | Active argil and preparation method thereof |
Non-Patent Citations (3)
| Title |
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| GEORGE E.CHRISTIDIS,ET AL: "Decolorization of vegetable oils: A study of the mechanism of adsorption of β-carotene by an acid-activated bentonite from Cyprus[J]", 《CLAYS AND CLAY MINERALS》 * |
| LOUIS L.RICHARDSON ,等: "食用油的脱色白土[J]", 《中国油脂》 * |
| 徐博会等: "伊/蒙混层粘土矿物研究现状与展望[J]", 《河北工程大学学报:自然科学版》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588214A (en) * | 2013-10-17 | 2014-02-19 | 华南理工大学 | Preparation methods of illite/montmorillonite clay nanometer slurry and illite/montmorillonite clay nanometer powder |
| CN103585951A (en) * | 2013-10-17 | 2014-02-19 | 华南理工大学 | Illite/montmorillonite clay heavy metal ion adsorbent and preparation method thereof |
| CN103588214B (en) * | 2013-10-17 | 2015-02-25 | 华南理工大学 | Preparation methods of illite/montmorillonite clay nanometer slurry and illite/montmorillonite clay nanometer powder |
| CN103585951B (en) * | 2013-10-17 | 2015-08-12 | 华南理工大学 | A kind of Illite/montmorilloniclay clay heavy metal ion adsorbent and preparation method thereof |
| CN103979563A (en) * | 2014-06-01 | 2014-08-13 | 许盛英 | Acidized illite-montmorillonite mixed-layer clay |
| CN103979560A (en) * | 2014-06-01 | 2014-08-13 | 许盛英 | Sodium-modified illite-montmorillonite mixed-layer clay |
| CN103979560B (en) * | 2014-06-01 | 2016-06-08 | 广西上思县富石矿业有限公司 | Illite/smectite mixed layer clay after sodium |
| CN103979563B (en) * | 2014-06-01 | 2016-08-24 | 广西上思县富石矿业有限公司 | Illite/smectite mixed layer clay after acidifying |
| CN106824130A (en) * | 2017-02-22 | 2017-06-13 | 李峰 | A kind of decolorising agent of the addition modified active illite/smectite mixed layer clay refined for vegetable oil |
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Application publication date: 20130403 |