CN101239301B - Stellerite smell-removing drying agent and preparation thereof - Google Patents
Stellerite smell-removing drying agent and preparation thereof Download PDFInfo
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- CN101239301B CN101239301B CN2008100734866A CN200810073486A CN101239301B CN 101239301 B CN101239301 B CN 101239301B CN 2008100734866 A CN2008100734866 A CN 2008100734866A CN 200810073486 A CN200810073486 A CN 200810073486A CN 101239301 B CN101239301 B CN 101239301B
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- dryer
- epidesmine
- powder
- drying
- stellerite
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Abstract
The present invention provides an epidesmine odour removal dryer, it is a granular powder made of epidesmine mine via elutriation-dry grinding-acidity activation-neutral dryer-hybrid bond-solidify forming-dryer-package. The advantage of the invention is that the inner surface area is enhanced, the absorbing ability and water absorption ability are enhanced when epidesmine is activated by oxalic acid, the water absorbing capacity achieves 73.47%, the odor removal ability, dehumidifying ability are very strong; the dryer has no toxic and side effect, easy to storage, and being reutilization; the dryer has a simple process, low cost; the dryer opens new route for utilizing of the epidesmine mine source.
Description
Technical field:
The present invention relates to the application of epidesmine, specifically is Stellerite smell-removing drying agent and preparation method thereof.
Background technology:
Epidesmine (Stellerite) is mineral species in the zeolite family, its chemical composition (%): SiO
258.76, Al
2O
314.13, CaO8.80, K
2O0.11, Na
2O0.18, Fe
2O
30.44, H
2O
+16.87, H
2O
-1.25 its chemistry formula is (K
0.017Na
0.042Ca
1.73)
1.189[Al
1.997Si7.5i
7.05018] 6.75H
2O.Natural parastilbite is that natural zeolite is a kind of moisture alkali metal or the aluminium silicate mineral of alkaline-earth metal, the tectosilicate of being made up of silicon-oxy tetrahedron and aluminum-oxygen tetrahedron.To have the monovalence end to obtain saturated for oxygen atom in its aluminum-oxygen tetrahedron, and whole aluminum-oxygen tetrahedron has negative electrical charge, with near the cation such as the K of positively charged
+, Na
+, Ca
2+, Mg
2+Come compensation balance Deng alkali metal or alkaline-earth metal ions.Open structure helps ion-exchange, because the influence of hydrate free energy is bigger, exchanger Chang Youxian selects monovalent cation rather than divalent ion, and the selectivity order of its exchange is roughly: K
+＞NH
4+＞Na
+＞Ca
2+＞Mg
2+＞Li
+, this is that typical hydration type replaces sequence.Function with molecular sieve is as absorption and ion exchange.The application of epidesmine at present has as water purification agent, has as fertilizer additive, has as rubber reinforced additive, but utilizes epidesmine to prepare deodorant drier, and Shang Weijian has report.
Summary of the invention:
The purpose of this invention is to provide a kind of taste removal, dehumidification function is strong, cost is low, has no side effect again, and the simple Stellerite smell-removing drying agent of technology and preparation method thereof.
Stellerite smell-removing drying agent of the present invention be by the epidesmine raw ore through elutriation, dry grinding, acidic activated, neutral dry, mix bonding, curing molding, drying and the powder of the 25-40 order particle diameter made.
The deodorant drier that the epidesmine modified active is made, inner surface area is big, high adsorption capacity, water absorbing capacity are strong, water absorption rate reaches 73.47%, is put in refrigerator, the freezer or in other food, can effectively reduces peculiar smell, keeps air fresh, dry.
The preparation method of Stellerite smell-removing drying agent comprises the steps:
1, the natural parastilbite ore deposit is eluriated, dry grinding is dried to moisture content＜0.5% to the 60-1250 order;
2, with above-mentioned epidesmine with 60 orders: the ratio of 1250 orders=1: 3 is mixed into powder, is dried to moisture content＜0.5%;
3, with the oxalic acid of 8mol/L the mixed powder of step 2 is soaked activation processing, soak time 2.5 hours;
4, with the mixed powder after the above-mentioned immersion with clear water wash to the pH value of solution be 6.7, be dried to moisture content＜0.5%;
5, with 35% waterglass serve as the adhesive of the mixture of red foresite powder after the washing, curing molding is made the powder of 30 order particle diameters, and the drying packing is made.
The invention has the advantages that:
1, epidesmine is after the oxalic acid activation, and inner surface area increases, and adsorption capacity, water absorbing capacity further strengthen, and water absorption rate can reach 73.47%, taste removal, dehumidifying effect extra-heavy;
2, have no side effect, be convenient to store, and can reuse;
3, preparation technology is simple, and cost is low;
4, opened up new approach for the utilization of epidesmine mineral products resource.
The specific embodiment:
The invention will be further elaborated below in conjunction with embodiment, but be not the qualification to content of the present invention.
Embodiment
With neutral red pyroxene ore deposit, Guangxi is primary raw material, earlier raw ore is eluriated, dry grinding to 60 order-1250 order, be dried to moisture content＜0.5%, with 60 orders: the ratio of 1250 orders=1: 3 is mixed into powder, powder drying is to moisture content＜0.5%, oxalic acid with 8mol/L carries out activation processing to mixed powder, 2.5 hours time, wash to pH value 6.7 with clear water, be dried to moisture content＜0.5%, waterglass with 35% is the adhesive of mixed powder, curing molding is made the powder of 30 order particle diameters, forms at 100 ℃ or 130 ℃ or 1 hour packing of 170 ℃ of dryings.
Claims (4)
1. the preparation method of Stellerite smell-removing drying agent is characterized in that: comprise the steps:
(1) the natural parastilbite ore deposit is eluriated, dry grinding is to 60-1250 order, drying;
(2) with above-mentioned epidesmine with 60 orders: the ratio of 1250 orders=1: 3 is mixed into powder, drying;
(3) with the oxalic acid of 8mol/L the mixed powder of step (2) is soaked activation processing, soak time 2.5 hours;
(4) with the mixed powder after the above-mentioned immersion with clear water wash to the pH value of solution be 6.7, powder drying is to moisture content＜0.5%;
(5) be adhesive through washing, dried mixture of red foresite powder with 35% waterglass, curing molding is made the powder of 30 order particle diameters, and the drying packing is made.
2. the method for claim 1, it is characterized in that: the described baking temperature of step (5) is 100 ℃ or 130 ℃ or 170 ℃ of dryings.
3. the method for claim 1 is characterized in that: step (1), (2), (5) described moisture content＜0.5% that is dried to.
4. use the Stellerite smell-removing drying agent of claim 1 or 2 or 3 described methods preparations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100734866A CN101239301B (en) | 2008-03-03 | 2008-03-03 | Stellerite smell-removing drying agent and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100734866A CN101239301B (en) | 2008-03-03 | 2008-03-03 | Stellerite smell-removing drying agent and preparation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101239301A CN101239301A (en) | 2008-08-13 |
| CN101239301B true CN101239301B (en) | 2010-07-14 |
Family
ID=39931295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100734866A Expired - Fee Related CN101239301B (en) | 2008-03-03 | 2008-03-03 | Stellerite smell-removing drying agent and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101239301B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804322A (en) * | 2010-04-29 | 2010-08-18 | 东华大学 | High-strength dry type CO2 adsorbent for regeneration using river sediment as carrier and preparation method thereof |
| CN102888134A (en) * | 2012-11-05 | 2013-01-23 | 广西师范大学 | Sterilization type stellerite environment-friendly paint and preparation method thereof |
-
2008
- 2008-03-03 CN CN2008100734866A patent/CN101239301B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101239301A (en) | 2008-08-13 |
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Owner name: GUIZHOU HEYINXIANG NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: GUANGXI NORMAL UNIVERSITY Effective date: 20131220 |
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Effective date of registration: 20131220 Address after: 541004 the Guangxi Zhuang Autonomous Region Guilin Qixing District hi tech Zone, No. 4 Guilin, the office of the general office of the complex building, floor, floor, floor, 2 Patentee after: GUILIN HEYINXIANG NEW MATERIALS CO., LTD. Address before: 541004 Guangxi Normal University, 15, Yucai Road, Qixing District, Guilin, the Guangxi Zhuang Autonomous Region Patentee before: Guangxi Normal University |
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Granted publication date: 20100714 Termination date: 20190303 |
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