CN101327420A - Porous particle compound material with adsorption and reaction capacity and preparation technique material - Google Patents
Porous particle compound material with adsorption and reaction capacity and preparation technique material Download PDFInfo
- Publication number
- CN101327420A CN101327420A CNA2008100209721A CN200810020972A CN101327420A CN 101327420 A CN101327420 A CN 101327420A CN A2008100209721 A CNA2008100209721 A CN A2008100209721A CN 200810020972 A CN200810020972 A CN 200810020972A CN 101327420 A CN101327420 A CN 101327420A
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- bentonite
- attapulgite
- composite material
- quick lime
- porous granule
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Abstract
The present invention discloses a porous granule composite material with absorption and reaction capacities and a preparation technology thereof. The porous granule composite material is a spherical porous granule material containing quicklime and comprises the components of the quicklime, attapulgite, bentonite, certain quantity of slat additives and active carbon used as pore-forming agent to be calcined in high temperature to obtain the porous granule composite material. The porous granule composite material has large specific surface area and through holes widely distributed on the specific surface; when being contacted with liquid material, the porous granule composite material has high reaction speed and reaction degree; the porous granule composite material also has the effect of obstructing a great deal of fluid contamination and the effect of preventing harmful substance from seeping into the environmental soil. The granule material can be used for the occasion under the requirement of fast processing acid or alkali liquid contamination.
Description
One, technical field
The present invention relates to a kind of spherical honeycombed grain material that contains quick lime, can be used for fast Absorption, enclosing and separating treatment in acidity or the alkaline liquid noxious pollutant emergent accident.
Two, background technology
For the liquid noxious pollutant emergent accident that takes place in the land transportation process, the first step of processing is exactly to the obstruct of pollutant and interception on the spot.Quick lime is a kind of good absorption, immobilization material, with strong acid and highly basic chemical reaction can take place, and forms the salt of calcic, makes inorganic matter locked, and then is recovered, and based on above-mentioned characteristic, quick lime can be used for the pollutant process field.
But, then there are some shortcomings if use carbonate-free lime to carry out the processing of liquid noxious pollutant:
In the processing procedure of liquid towards pollutant, especially when fast processing, can produce a large amount of dust, cause additional environmental pollution, also bring difficulty to operation.
Reaction when contacting with liquid for solid material, the completeness of reaction speed and reaction is subjected to the control of material specific area, and the carbonate-free lime specific area that is powdery or bulk is less, and reaction speed is slow, makes that the efficient that pollutant is handled is not high.
Three, summary of the invention
Technical problem: the present invention is directed to the defective of above-mentioned prior art, a kind of porous particle composite and preparation technology thereof with absorption and respond is provided.
Technical scheme: technical solution of the present invention is: a kind of porous particle composite with absorption and respond, it is characterized in that forming by quick lime, attapulgite, bentonite, additive salt and as the active carbon of pore creating material, wherein contained quick lime, attapulgite, three kinds of powders of bentonite are 40～80%: 10～50% by the quality per distribution ratio: 10～50%; Additive salt and account for 3～10% of above-mentioned quick lime, bentonite, attapulgite powder gross mass respectively as the active carbon of pore creating material, described additive salt consists of NaCl by mass ratio: KCl: CaCl
2: MgCl
2=(0.8～1.2): (0.8～1.2): (0.8～1.2): (0.8～1.2).
A kind of described method of claim 1 for preparing with porous particle composite of absorption and respond, it is characterized in that may further comprise the steps: take by weighing the quick lime that accounts for powder gross mass 40～80%, 10～50% bentonite, 10～50% attapulgite, be made into powder, and adding the additive that accounts for above-mentioned powder gross mass 3～10%, this additive consists of NaCl by mass ratio: KCl: CaCl2: MgCl2=(0.8～1.2): (0.8～1.2): (0.8～1.2): (0.8～1.2); Add again account for above-mentioned powder gross mass 3～10% active carbon as pore creating material, mix, prepare the spherical particle base grain of φ 9～10mm then; After the spherical particle base grain drying that makes handled,, obtain the porous particle composite 650～800 ℃ of heat preservation sinterings 0.5～3 hour.
Beneficial effect: porous particle composite of the present invention is possessing following advantage aspect the processing of liquid towards pollutant:
(1) reaction speed and the extent of reaction of quick lime and fluid contaminants have been improved: porous particle composite provided by the invention, have bigger specific area and the intercommunication micropore that spreads all on it, when contacting with fluid contaminants matter, liquid can enter granule interior and lime haptoreaction by micropore, increase the contact area of pollutant and lime greatly, improved the degree of reaction speed and reaction.And because lime expands in hydration process, porous particle can be chipping in course of reaction, can further increase the speed of reaction and the completeness that reaction is carried out, and realizes the quick absorption and the reaction of acid or alkaline fluid contaminants are transformed.
(2) for a large amount of flowing pollution things, can work intercepting and interception function: quick lime not only hygroscopicity is strong, and certain imbibition is arranged, and emits heat in the suction reaction, and attapulgite and bentonite all have good moisture absorption and adhesive property.Compound porous granular materials is because the effect generation of self generation bulbs of pressure is densified, and the release of heat can be taken away part moisture, finally forms compact structure, for a large amount of flowing pollution things, can work intercepting and interception function.
(3) stop the infiltration of harmful substance in ambient soil: when amount of pollutant is big, inorganic pollution is intercepted with intercept process after, can continue in pollution sources to throw in above-mentioned porous particle composite, pollutant is further locked and solidifies processing.Unreacted granular materials is owing to exist a large amount of micropores, has less volume density and above floating over, and the product of reaction and attapulgite, bentonite be together to bottom deposit, the separation of realization response product.Be deposited on the product of bottom, also play the effect of isolating nuisance simultaneously, stop the infiltration of harmful substance in ambient soil.
Four, specific embodiments:
The present invention relates to a kind of porous particle composite with absorption and respond, this composite is formed by quick lime, attapulgite, bentonite, additive salt and as the active carbon of pore creating material, and wherein contained quick lime, attapulgite, three kinds of powders of bentonite are 40～80%: 10～50% by the quality per distribution ratio: 10～50%; Additive salt and account for 3～10% of above-mentioned quick lime, bentonite, three kinds of powder gross masses of attapulgite respectively as the active carbon of pore creating material, described additive salt consists of NaCl by mass ratio: KCl: CaCl
2: MgCl
2=(0.8～1.2): (0.8～1.2): (0.8～1.2): (0.8～1.2).
Preparing this method with porous particle composite of absorption and respond may further comprise the steps: take by weighing the quick lime that accounts for powder gross mass 40～80%, 10～50% bentonite, 10～50% attapulgite, be made into powder, and adding the additive that accounts for above-mentioned quick lime, bentonite, three kinds of powder gross masses 3～10% of attapulgite, this additive consists of NaCl by mass ratio: KCl: CaCl
2: MgCl
2=(0.8～1.2): (0.8～1.2): (0.8～1.2): (0.8～1.2); Add again account for above-mentioned quick lime, bentonite, three kinds of powder gross masses 3～10% of attapulgite active carbon as pore creating material, mix, prepare the spherical particle base grain of φ 9～10mm then; After the spherical particle base grain drying that makes handled,, obtain the porous particle composite 650～800 ℃ of heat preservation sinterings 0.5～3 hour.
Following description is to specify of the present invention, should not regard limitation of the invention as.
Embodiment 1:
(1) takes by weighing quick lime 75%, bentonite 12%, attapulgite 13% batching by mass percentage; And adding the additive that accounts for former three powder gross mass 4%, additive consists of NaCl by mass ratio: KCl: CaCl
2: MgCl
2=1.2: 1.2: 0.8: 1; Add again account for aforementioned quick lime, bentonite and attapulgite three powder gross mass 5% active carbon as pore creating material, mix, make base-material;
(2) be formed into φ 9～10mm spherical particle compound material blank with the rolling of disc type comminutor;
(3) the particulate composite base grain drying that makes is handled, and 650 ℃ of heat preservation sinterings 3 hours, obtains the porous particle composite at last.
Embodiment 2:
(1) take by weighing quick lime 40%, bentonite 25%, attapulgite 35% batching by mass percentage, add the additive that accounts for former three powder gross mass 9%, additive consists of NaCl by mass ratio: KCl: CaCl
2: MgCl
2=1: 1: 0.8: 1, add again account for aforementioned quick lime, bentonite and attapulgite three powder gross mass 15% active carbon as pore creating material, mix, make base-material;
(2) be formed into φ 9～10mm spherical particle compound material blank with the rolling of disc type comminutor;
(3) the particulate composite base grain drying that makes is handled, and 800 ℃ of heat preservation sinterings 0.5 hour, obtains the porous particle composite at last.
Embodiment 3:
(1) take by weighing quick lime 60%, bentonite 20%, attapulgite 20% batching by mass percentage, add the additive that accounts for former three powder gross mass 6%, additive consists of NaCl by mass ratio: KCl: CaCl
2: MgCl
2=1: 0.8: 0.8: 1.2, add again account for aforementioned quick lime, bentonite and attapulgite three powder gross mass 10% active carbon as pore creating material, mix, make base-material;
(2) prepare φ 9～10mm spherical particle compound material blank with extruding rolling circle equipment;
(3) the particulate composite base grain that makes is through the processing of drying in the shade, and 750 ℃ of heat preservation sinterings 1 hour, obtains the porous particle composite at last.
Claims (2)
1. one kind has the absorption and the porous particle composite of respond, it is characterized in that forming by quick lime, attapulgite, bentonite, additive salt and as the active carbon of pore creating material, wherein contained quick lime, attapulgite, three kinds of powders of bentonite are 40～80%: 10～50% by the quality per distribution ratio: 10～50%; Additive salt and account for 3～10% of above-mentioned quick lime, bentonite, attapulgite powder gross mass respectively as the active carbon of pore creating material, described additive salt consists of NaCl by mass ratio: KCl: CaCl
2: MgCl
2=(0.8～1.2): (0.8～1.2): (0.8～1.2): (0.8～1.2).
2. one kind prepares the described method with porous particle composite of absorption and respond of claim 1, it is characterized in that may further comprise the steps: take by weighing the quick lime that accounts for powder gross mass 40～80%, 10～50% bentonite, 10～50% attapulgite, be made into powder, and adding the additive that accounts for above-mentioned powder gross mass 3～10%, this additive consists of NaCl by mass ratio: KCl: CaCl
2: MgCl
2=(0.8～1.2): (0.8～1.2): (0.8～1.2): (0.8～1.2); Add again account for above-mentioned powder gross mass 3～10% active carbon as pore creating material, mix, make the spherical particle base grain of φ 9～10mm then; After the spherical particle base grain drying that makes handled,, obtain the porous particle composite 650～800 ℃ of heat preservation sinterings 0.5～3 hour.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810020972A CN100577279C (en) | 2008-08-01 | 2008-08-01 | Porous particle compound material with adsorption and reaction capacity and preparation technique thereof |
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|---|---|---|---|
| CN200810020972A CN100577279C (en) | 2008-08-01 | 2008-08-01 | Porous particle compound material with adsorption and reaction capacity and preparation technique thereof |
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| CN101327420A true CN101327420A (en) | 2008-12-24 |
| CN100577279C CN100577279C (en) | 2010-01-06 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531364B (en) * | 2009-04-27 | 2011-06-22 | 东南大学 | Spherical formed active carbon and method for preparing same |
| CN102765958A (en) * | 2012-07-16 | 2012-11-07 | 广东电网公司电力科学研究院 | Screening method of manufacturing material of porous medium burner |
| CN104353421A (en) * | 2014-10-21 | 2015-02-18 | 繁昌县倍思生产力促进中心有限公司 | Anti-haze adsorbent and preparation method thereof |
| CN104368311A (en) * | 2014-10-21 | 2015-02-25 | 繁昌县倍思生产力促进中心有限公司 | Recyclable haze preventing adsorbent used for face masks and preparation method thereof |
| CN104383875A (en) * | 2014-10-21 | 2015-03-04 | 繁昌县倍思生产力促进中心有限公司 | Activated carbon adsorbent for haze preventing gauze mask and preparation method thereof |
| CN104399434A (en) * | 2014-10-21 | 2015-03-11 | 繁昌县倍思生产力促进中心有限公司 | Cerium oxide-containing PM2.5 adsorbent and preparation method thereof |
| CN107308916A (en) * | 2016-09-13 | 2017-11-03 | 上海衡元高分子材料有限公司 | A kind of efficient ore deposit and its preparation technology living for possessing multiple gases adsorption function |
-
2008
- 2008-08-01 CN CN200810020972A patent/CN100577279C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531364B (en) * | 2009-04-27 | 2011-06-22 | 东南大学 | Spherical formed active carbon and method for preparing same |
| CN102765958A (en) * | 2012-07-16 | 2012-11-07 | 广东电网公司电力科学研究院 | Screening method of manufacturing material of porous medium burner |
| CN104353421A (en) * | 2014-10-21 | 2015-02-18 | 繁昌县倍思生产力促进中心有限公司 | Anti-haze adsorbent and preparation method thereof |
| CN104368311A (en) * | 2014-10-21 | 2015-02-25 | 繁昌县倍思生产力促进中心有限公司 | Recyclable haze preventing adsorbent used for face masks and preparation method thereof |
| CN104383875A (en) * | 2014-10-21 | 2015-03-04 | 繁昌县倍思生产力促进中心有限公司 | Activated carbon adsorbent for haze preventing gauze mask and preparation method thereof |
| CN104399434A (en) * | 2014-10-21 | 2015-03-11 | 繁昌县倍思生产力促进中心有限公司 | Cerium oxide-containing PM2.5 adsorbent and preparation method thereof |
| CN104368311B (en) * | 2014-10-21 | 2016-08-17 | 繁昌县倍思生产力促进中心有限公司 | A kind of renewable haze-proof mask adsorbent and preparation method thereof |
| CN107308916A (en) * | 2016-09-13 | 2017-11-03 | 上海衡元高分子材料有限公司 | A kind of efficient ore deposit and its preparation technology living for possessing multiple gases adsorption function |
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| Publication number | Publication date |
|---|---|
| CN100577279C (en) | 2010-01-06 |
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