CN104923178A - Modified volcanic-rock acid-resistant adsorbent - Google Patents
Modified volcanic-rock acid-resistant adsorbent Download PDFInfo
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- CN104923178A CN104923178A CN201510259194.1A CN201510259194A CN104923178A CN 104923178 A CN104923178 A CN 104923178A CN 201510259194 A CN201510259194 A CN 201510259194A CN 104923178 A CN104923178 A CN 104923178A
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Abstract
The invention discloses a modified volcanic-rock acid-resistant adsorbent, which is characterized by being prepared from the following raw materials in parts by weight: 8 to 15 parts of calcium carbonate fibers, 20 to 40 parts of tetrabutyl titanate, 3 to 5 parts of silica sol, 6 to 8 parts of calcium aluminate, 60 to 80 parts of volcanic rocs, 6 to 9 parts of PA6 (polyamide 6) nylon powder, 3 to 4 parts of gelatin, 1 to 3 parts of ammonium hydrogen carbonate, 5 to 7 parts of natural humus, 4 to 6 parts of synthetic graphite, and a proper amount of deionized water. By using the natural humus and the synthetic graphite added in the modified volcanic-rock acid-resistant adsorbent, the adsorbability, the acid resistance and the corrosion resistance of the adsorbent are enhanced, the adsorbent prepared by the invention has the advantages that the adsorbent has a favorable adsorption effect on various pollutants, is high in adsorption efficiency, is further easy to remove, is good in reutilization effect, wide in raw material source and low in cost, is easy to obtain, is low in production cost, simple in technique, large in adsorption capacity and stable in performance, the waste water and a waste residue, which pollute an environment, are not caused, and the like.
Description
Technical field
the present invention relates to a kind of absorbent fields, be specifically related to a kind of modification volcanic rock acid resistance adsorbent and preparation method thereof.
Background technology
Volcanic rock quality is hard as lithotome, coating surface honeycomb porous, specific area is large, and soak change without exception in water, water proofing property is splendid, fire prevention, weather resisteant is good, can prevent the deterioration caused because of ultraviolet, have nontoxic, tasteless, intensity is high, heat insulation, acid and alkali-resistance, stain resistance, corrosion-resistant, resistance toly to go mouldy, and the advantage such as pollution-free, "dead", as sorbent material, there is good application prospect.Nano titanium oxide, as a kind of friendly photochemical catalyst, has good redox ability, is therefore widely used in the field such as sewage disposal, purification of air.But utilize various carrier to fix the photocatalysis effect of the adsorbent that nano titanium oxide is made in recent years and recovery utilization rate not high.Although adsorbent speed and adsorption capacity are improved at present, but absorption after adsorbent and solvent not easily separated, the present invention adds magnetic material in sorbent material makes adsorbent can be good at being separated, adsorbent is recycled, reduce costs, and the titanium dioxide using special process to prepare, play effect greatly, utilization rate is high, for the development of adsorbent lays the foundation.
Summary of the invention
The object of this invention is to provide a kind of modification volcanic rock acid resistance adsorbent and preparation method thereof.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of modification volcanic rock acid resistance adsorbent, is made up of the raw material of following weight portion: calcium carbonate fiber 8-15, butyl titanate 20-40, Ludox 3-5, calcium aluminate 6-8, volcanic rock 60-80, PA6 nylon powder 6-9, gelatin 3-4, carbonic hydroammonium 1-3, natural fertile soil 5-7, Delanium 4-6, deionized water are appropriate;
A kind of modification volcanic rock acid resistance adsorbent of the present invention, be made up of following concrete steps:
(1) absolute ethyl alcohol of butyl titanate and 3-4 times amount is mixed, magnetic agitation 1h, magnetic agitation 2h is continued again by being added in above-mentioned solution after short for calcium carbonate fiber cutting, slow dropping deionized water, continue after gel to be formed to stir 0.5-1 hour, then to be added in baking oven that under 80 ° of C, to dry grinding for subsequent use;
(2) spend deionized water after volcanic rock being soaked 12h in concentrated sulfuric acid and grind to form fine powder to neutral oven dry, then mix with gelatin, PA6 nylon powder, in Muffle furnace, under 240-255 ° of C, calcine 0.5-1h, take out after cooling;
(3) by the product of step (1) gained and except calcium aluminate all the other remaining material mixing and stirring, employing pressure is that mixture is pressed into bead by the ball press of 10t-20t, selects particle size for subsequent use as ball core at the bead of 5-15mm scope after screening;
(4) product of step (2) gained and calcium aluminate are mixed, the bead of step (3) gained is placed in disc balling machine as kernel, add above-mentioned volcanic rock mixture, rolling pelletizing, volcanic rock is covered on ball core and forms shell, the composite sphere of gained is calcined under 550-600 ° of C 2-4h and become porous complex microsphere.
Advantage of the present invention is: the present invention adopts calcium carbonate fiber to mix with TiO 2 sol, enhance the intensity of TiO 2 sol, bactericidal properties, the performance of the aspect such as adsorbance and heat resistance, adopt gelatin and PA6 to be added to define skeleton when calcining in volcanic rock and make Adhesion enhancement between volcanic rock, not easily be scattered when making adsorbent dry linting, wearability strengthens, extend service life, and double-layer porous road adsorption microspheres made by adsorbent by the present invention, enhance adsorption capacity and adsorption rate, to tiny field trash, there is good adsorption effect, expand adsorption range, the natural fertile soil added and Delanium enhance the adsorptivity of adsorbent, acid resistance and corrosion resistance, adsorbent prepared by the present invention has good adsorption effect to various pollutant, adsorption efficiency is high, and easily remove, reuse effective, raw material sources are extensive, cheap and easy to get, product cost is low, technique is simple, do not pollute the waste water of environment, waste residue, adsorption capacity is large, steady performance.
Detailed description of the invention
Below by instantiation, the present invention is described in detail.
A kind of modification volcanic rock acid resistance adsorbent, is made up of the raw material of following weight portion (kilogram): calcium carbonate fiber 12, butyl titanate 36, Ludox 4, calcium aluminate 7, volcanic rock 76, PA6 nylon powder 8, gelatin 3, carbonic hydroammonium 2, natural fertile soil 6, Delanium 5, deionized water are appropriate;
A kind of modification volcanic rock acid resistance adsorbent of the present invention, be made up of following concrete steps:
(1) absolute ethyl alcohol of butyl titanate and 4 times amount is mixed, magnetic agitation 1h, continuing magnetic agitation 2h again by being added in above-mentioned solution after short for calcium carbonate fiber cutting, slowly dripping deionized water, continue stirring after gel to be formed 0.6 hour, then to be added in baking oven that under 80 ° of C, to dry grinding for subsequent use;
(2) spend deionized water after volcanic rock being soaked 12h in concentrated sulfuric acid and grind to form fine powder to neutral oven dry, then mix with gelatin, PA6 nylon powder, in Muffle furnace, under 250 ° of C, calcine 1h, take out after cooling;
(3) by the product of step (1) gained and except calcium aluminate all the other remaining material mixing and stirring, adopt pressure to be that mixture is pressed into bead by the ball press of 20t, select particle size after screening for subsequent use as ball core at the bead of 5-15mm scope;
(4) product of step (2) gained and calcium aluminate are mixed, the bead of step (3) gained is placed in disc balling machine as kernel, add above-mentioned volcanic rock mixture, rolling pelletizing, volcanic rock is covered on ball core and forms shell, the composite sphere of gained is calcined under 550 ° of C 3h and become porous complex microsphere.
Example 0.5g adsorbent and mass concentration are that the methylene blue solution 500ml of 100mg/l reacts, and test index is as follows:
Clearance (%): 94.1;
Adsorbance (mg/g): 62.7;
Clearance (repeating 6 times, %): 68.3;
Compression strength (N/): 24;
Rate of wear (%): 2.2.
Claims (2)
1. a modification volcanic rock acid resistance adsorbent, it is characterized in that, be made up of the raw material of following weight portion: calcium carbonate fiber 8-15, butyl titanate 20-40, Ludox 3-5, calcium aluminate 6-8, volcanic rock 60-80, PA6 nylon powder 6-9, gelatin 3-4, carbonic hydroammonium 1-3, natural fertile soil 5-7, Delanium 4-6, deionized water are appropriate.
2. a kind of modification volcanic rock acid resistance adsorbent according to claim 1, is characterized in that, be made up of following concrete steps:
(1) absolute ethyl alcohol of butyl titanate and 3-4 times amount is mixed, magnetic agitation 1h, magnetic agitation 2h is continued again by being added in above-mentioned solution after short for calcium carbonate fiber cutting, slow dropping deionized water, continue after gel to be formed to stir 0.5-1 hour, then to be added in baking oven that under 80 ° of C, to dry grinding for subsequent use;
(2) spend deionized water after volcanic rock being soaked 12h in concentrated sulfuric acid and grind to form fine powder to neutral oven dry, then mix with gelatin, PA6 nylon powder, in Muffle furnace, under 240-255 ° of C, calcine 0.5-1h, take out after cooling;
(3) by the product of step (1) gained and except calcium aluminate all the other remaining material mixing and stirring, employing pressure is that mixture is pressed into bead by the ball press of 10t-20t, selects particle size for subsequent use as ball core at the bead of 5-15mm scope after screening;
(4) product of step (2) gained and calcium aluminate are mixed, the bead of step (3) gained is placed in disc balling machine as kernel, add above-mentioned volcanic rock mixture, rolling pelletizing, volcanic rock is covered on ball core and forms shell, the composite sphere of gained is calcined under 550-600 ° of C 2-4h and become porous complex microsphere.
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| CN201510259194.1A CN104923178A (en) | 2015-05-21 | 2015-05-21 | Modified volcanic-rock acid-resistant adsorbent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583606A (en) * | 2017-09-27 | 2018-01-16 | 天津大学 | The volcanic rock base porous ceramic grain and preparation method and application of high-effective defluorination |
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| CN102247800A (en) * | 2011-04-11 | 2011-11-23 | 信阳师范学院 | Composite ceramsite prepared from bentonite, perlite and zeolite serving as main raw materials and preparation method of composite ceramsite |
| CN102302922A (en) * | 2011-07-18 | 2012-01-04 | 中国海洋大学 | Formed shellfish-based regular photocatalytic adsorbent and preparation method thereof |
| CN102325577A (en) * | 2008-12-22 | 2012-01-18 | 格拉特系统技术有限公司 | Composite adsorbent bead, process for its production, gas separation process and gas adsorption bed |
| CN103752289A (en) * | 2014-01-26 | 2014-04-30 | 福州大学 | Organic solvent absorbing agent and preparation method thereof |
| CN103962087A (en) * | 2014-04-16 | 2014-08-06 | 浙江大学 | Surface coating modified nano calcium oxide based CO2 adsorbing agent and preparation method thereof |
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2015
- 2015-05-21 CN CN201510259194.1A patent/CN104923178A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171370A (en) * | 1997-07-15 | 1998-01-28 | 胡华龙 | Process for using petro-chemical mud to prepare adsorbent used to recover oil on water surface |
| US6284021B1 (en) * | 1999-09-02 | 2001-09-04 | The Boc Group, Inc. | Composite adsorbent beads for adsorption process |
| CN101073764A (en) * | 2007-06-21 | 2007-11-21 | 广西大学 | Plastic-skeleton bentonite bentonite composite adsorbent and its production |
| CN101279239A (en) * | 2008-01-21 | 2008-10-08 | 浙江瑞普环境技术有限公司 | Organic modified mineral adsorbing material and method of producing the same |
| CN102325577A (en) * | 2008-12-22 | 2012-01-18 | 格拉特系统技术有限公司 | Composite adsorbent bead, process for its production, gas separation process and gas adsorption bed |
| CN102247800A (en) * | 2011-04-11 | 2011-11-23 | 信阳师范学院 | Composite ceramsite prepared from bentonite, perlite and zeolite serving as main raw materials and preparation method of composite ceramsite |
| CN102302922A (en) * | 2011-07-18 | 2012-01-04 | 中国海洋大学 | Formed shellfish-based regular photocatalytic adsorbent and preparation method thereof |
| CN103752289A (en) * | 2014-01-26 | 2014-04-30 | 福州大学 | Organic solvent absorbing agent and preparation method thereof |
| CN103962087A (en) * | 2014-04-16 | 2014-08-06 | 浙江大学 | Surface coating modified nano calcium oxide based CO2 adsorbing agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107583606A (en) * | 2017-09-27 | 2018-01-16 | 天津大学 | The volcanic rock base porous ceramic grain and preparation method and application of high-effective defluorination |
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Application publication date: 20150923 |