WO2014120037A1 - Оксид алюминия - Google Patents
Оксид алюминия Download PDFInfo
- Publication number
- WO2014120037A1 WO2014120037A1 PCT/RU2013/000078 RU2013000078W WO2014120037A1 WO 2014120037 A1 WO2014120037 A1 WO 2014120037A1 RU 2013000078 W RU2013000078 W RU 2013000078W WO 2014120037 A1 WO2014120037 A1 WO 2014120037A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aluminum oxide
- alumina
- particles
- porous
- microns
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28042—Shaped bodies; Monolithic structures
- B01J20/28045—Honeycomb or cellular structures; Solid foams or sponges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3071—Washing or leaching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
- C01F7/306—Thermal decomposition of hydrated chlorides, e.g. of aluminium trichloride hexahydrate
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2902—Channel shape
Definitions
- the invention relates to alumina, in particular, to aluminum trioxide in the form of powders or agglomerates with particles having a honeycomb porous structure, and can be used as supports for catalysts, adsorbents and filters for the chemical, food, pharmaceutical industries.
- alumina with a porous structure characterized in that in it no more than 5% of the total pore volume are pores greater than 350 A (“macropores"), as well as a large pore volume (more than 0.8 cm / g, according to measurements by mercury intrusion) and the bimodal nature of the distribution of pore volumes, i.e. such a distribution of pore volumes, in which, in the case when the dependence of an increasing pore volume is plotted as a function of pore diameter, the resulting function has two maxima (RU, patent JY ° 2281 161, B01J21 / 04, published on December 10, 2004).
- This alumina includes a small pore diameter, which limits its use as a catalyst carrier, adsorbent and filter filler, in particular in the synthesis of catalysts and as a desiccant of gases containing droplet moisture.
- macro-mesoporous alumina in the form of individual particles, in which the honeycomb structure of the pores is due to the use of yeast as a bio-template.
- the porous structure of this alumina is characterized by a chaotic arrangement of macropores with sizes of 1, 5 - 3 ⁇ m in the form of a labyrinth, in the walls of which there are interconnected pores with sizes of 3 - 4.5 nm (Yuan Ma, Qinglian Wei, Ruowen Ling, Fengkai An, Guangyu Mu, Yongmin Huang. Synthesis of macro-mesoporous alumina with yeast cell as bio-template. Microporous and Mesoporous Materials.
- the disadvantages can also include the complexity and duration of the process for producing such alumina.
- the basis of the invention is the task of expanding the types of porous alumina with a honeycomb pore structure in the micron size range.
- the technical result is the implementation of this purpose.
- the achievement of the above technical result is ensured by the fact that in the alumina represented by individual particles with a porous structure, the porosity of the particles is 60-80%, and the porous structure is represented by long, closely spaced channels with dense packing, with a channel size of 0.3-1 , 0 ⁇ m and a length of up to 50 ⁇ m.
- Figure 1 shows the outer surface of an alumina particle with outward opening pores, showing their close packing.
- FIG. 2 shows a cleavage of an alumina particle exposing the length of parallel channels.
- Obtaining aluminum oxide is as follows.
- the crystals of aluminum chloride hexahydrate are treated with excess aqueous ammonia solution (NH 3 content - May 25.%) At a temperature of 20- 80 ° C, which rises during the process due to the exothermic effect of the reaction.
- the particles treated with an aqueous solution of ammonia visually preserve the external shape and size of the initial crystals of aluminum chloride hexahydrate, but represent (according to x-ray phase analysis) aluminum hydroxide in the polymorphic modification of boehmite (A100H).
- the boehmite particles are washed with water to a neutral medium, dried at 105 ° C to constant weight and calcined at a temperature of 650-750 ° C for 1 h.
- alumina has a gamma-polymorphic modification and contains, wt.%: A1 2 0z 98.6; Na 2 0 0.005; Fe 2 C> 3 0.01; Si0 2 0.01; SG ⁇ , ⁇ .
- Particles of the obtained aluminum oxide are penetrated by parallel extended channels (pores), the openings of which extend to the external surface.
- the dimensions of the channels have a diameter of 0.3-1.0 microns and a length of up to 50 microns.
- the porosity of particles determined by the calculation method based on the measurement of microphotographs is 60-80%.
- the size of the resulting particles, and therefore the pore lengths, are determined only by the initial crystal size of the starting material - aluminum chloride hexahydrate.
- the moisture capacity of aluminum oxide determined by the experimental method, was 0.62 cm 3 / g. Thus, the ability of the proposed substance to absorb droplet moisture is high.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2013377155A AU2013377155B2 (en) | 2013-02-04 | 2013-02-04 | Aluminum oxide |
RU2014102335/04A RU2550368C1 (ru) | 2013-02-04 | 2013-02-04 | Оксид алюминия |
US14/765,701 US20150368116A1 (en) | 2013-02-04 | 2013-02-04 | Aluminum oxide |
CA2900261A CA2900261C (en) | 2013-02-04 | 2013-02-04 | Porous aluminum oxide powders with a honeycomb structure |
PCT/RU2013/000078 WO2014120037A1 (ru) | 2013-02-04 | 2013-02-04 | Оксид алюминия |
CN201380075218.7A CN105121347A (zh) | 2013-02-04 | 2013-02-04 | 氧化铝 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/RU2013/000078 WO2014120037A1 (ru) | 2013-02-04 | 2013-02-04 | Оксид алюминия |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014120037A1 true WO2014120037A1 (ru) | 2014-08-07 |
Family
ID=51262644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2013/000078 WO2014120037A1 (ru) | 2013-02-04 | 2013-02-04 | Оксид алюминия |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150368116A1 (ru) |
CN (1) | CN105121347A (ru) |
AU (1) | AU2013377155B2 (ru) |
CA (1) | CA2900261C (ru) |
RU (1) | RU2550368C1 (ru) |
WO (1) | WO2014120037A1 (ru) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5354548A (en) * | 1985-05-01 | 1994-10-11 | Unilever Patent Holdings B.V. | Porous three-dimensional inorganic oxide structure with myriad cavities interconnected by holes |
RU2258035C2 (ru) * | 2003-09-01 | 2005-08-10 | ОАО "Уральский научно-исследовательский и проектный институт алюминиевой промышленности", ОАО "Уралалюминий" | Способ получения активного оксида алюминия |
CN101863499A (zh) * | 2010-05-31 | 2010-10-20 | 中南大学 | 一种大孔-介孔氧化铝的制备方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2590833A (en) * | 1948-05-20 | 1952-04-01 | Du Pont | Process for producing alumina hydrate sols |
US2663620A (en) * | 1949-10-29 | 1953-12-22 | Universal Oil Prod Co | Preparation of alumina from aluminum chloride hexahydrate |
US2894915A (en) * | 1952-06-24 | 1959-07-14 | Sinclair Refining Co | Alumina preparation |
US3188174A (en) * | 1961-06-20 | 1965-06-08 | Gulf Research Development Co | Aluminum product and its method of preparation |
US3193348A (en) * | 1962-02-19 | 1965-07-06 | Sinclair Research Inc | Method of producing boehmite having crystal size in excess of 100 a |
US4018881A (en) * | 1971-07-15 | 1977-04-19 | Exxon Research And Engineering Company | High surface area alumina and method for the preparation thereof |
US6589908B1 (en) * | 2000-11-28 | 2003-07-08 | Shell Oil Company | Method of making alumina having bimodal pore structure, and catalysts made therefrom |
US6764755B2 (en) * | 2001-12-17 | 2004-07-20 | Advanced Technology Materials, Inc. | Channelized sorbent media, and methods of making same |
US20080138569A1 (en) * | 2006-12-11 | 2008-06-12 | Adam Kent Collier | Alpha-alumina inorganic membrane support and method of making the same |
CN101827638B (zh) * | 2007-08-03 | 2016-07-13 | 埃尔西韦公司 | 多孔体和方法 |
CN100564259C (zh) * | 2007-12-24 | 2009-12-02 | 天津大学 | 整体型大孔氧化铝的制备方法 |
CN102451767B (zh) * | 2010-10-15 | 2013-08-28 | 中国石油化工股份有限公司 | 一种氧化铝载体的制备方法 |
CN102502739B (zh) * | 2011-11-11 | 2013-09-04 | 昆明冶金研究院 | 一种高纯α-氧化铝的生产方法 |
IN2015DN00743A (ru) * | 2012-07-20 | 2015-07-10 | Obsh Estvo S Ogranichennoy Otvetstvennostyu Obedinennaya Kompaniya Rusal Inzh T Ts |
-
2013
- 2013-02-04 RU RU2014102335/04A patent/RU2550368C1/ru active
- 2013-02-04 CN CN201380075218.7A patent/CN105121347A/zh active Pending
- 2013-02-04 US US14/765,701 patent/US20150368116A1/en not_active Abandoned
- 2013-02-04 CA CA2900261A patent/CA2900261C/en active Active
- 2013-02-04 WO PCT/RU2013/000078 patent/WO2014120037A1/ru active Application Filing
- 2013-02-04 AU AU2013377155A patent/AU2013377155B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5354548A (en) * | 1985-05-01 | 1994-10-11 | Unilever Patent Holdings B.V. | Porous three-dimensional inorganic oxide structure with myriad cavities interconnected by holes |
RU2258035C2 (ru) * | 2003-09-01 | 2005-08-10 | ОАО "Уральский научно-исследовательский и проектный институт алюминиевой промышленности", ОАО "Уралалюминий" | Способ получения активного оксида алюминия |
CN101863499A (zh) * | 2010-05-31 | 2010-10-20 | 中南大学 | 一种大孔-介孔氧化铝的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
RU2550368C1 (ru) | 2015-05-10 |
CA2900261C (en) | 2017-03-07 |
CN105121347A (zh) | 2015-12-02 |
US20150368116A1 (en) | 2015-12-24 |
AU2013377155A1 (en) | 2015-09-10 |
AU2013377155B2 (en) | 2017-11-30 |
CA2900261A1 (en) | 2014-08-07 |
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