WO2009132198A3 - Method for making designed particle size distributions by flow manufacturing - Google Patents
Method for making designed particle size distributions by flow manufacturing Download PDFInfo
- Publication number
- WO2009132198A3 WO2009132198A3 PCT/US2009/041551 US2009041551W WO2009132198A3 WO 2009132198 A3 WO2009132198 A3 WO 2009132198A3 US 2009041551 W US2009041551 W US 2009041551W WO 2009132198 A3 WO2009132198 A3 WO 2009132198A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- size
- physical variables
- particles
- size distributions
- particle
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Silicon Compounds (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
A continuous flow method for the preparation of micro and nanoparticles involves the introduction of particle precursors in a fluid or suspended state such that the physical variables that define the size and size distribution of resulting particles can be controlled and adjusted in a predetermined manner. By the inventive method, any size within the range accessible for a given composition of precursors, catalyst and solvents as defined by the capabilities of pumps, heaters, chillers, and the pressure limits of the system can be achieved. By including sensors for particle size and concentration coupled to a computer to control the pumps, heaters and chillers, verification of and, as needed, adjustment of the physical variables can be made to correct the size and size distribution of particles or the physical variables can be changed during production to obtain particle mixtures with uncommon size distributions in a predetermined manner. By varying the physical variables, size distributions can be monomodal, bimodal, multimodal, or polymodal, and can be narrow, normal or broad. The method can be applied to the production of particles of metal oxides, metals, alloys, organic polymers, pharmaceuticals and other organic solids.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4729008P | 2008-04-23 | 2008-04-23 | |
| US61/047,290 | 2008-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2009132198A2 WO2009132198A2 (en) | 2009-10-29 |
| WO2009132198A3 true WO2009132198A3 (en) | 2010-03-04 |
Family
ID=41217420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2009/041551 WO2009132198A2 (en) | 2008-04-23 | 2009-04-23 | Method for making designed particle size distributions by flow manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2009132198A2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014124137A1 (en) * | 2013-02-06 | 2014-08-14 | University Of Florida Research Foundation, Inc. | Process for making precision nanoparticles by hydrothermal flow manufacturing |
| US9290664B2 (en) * | 2013-11-22 | 2016-03-22 | Climax Engineered Materials, Llc | Treated ammonium octamolybdate composition and methods of producing the same |
| US10815424B2 (en) | 2015-12-31 | 2020-10-27 | Kuantag Nanoteknolojiler Gelistirme Ve Uretim A.S. | One-step process for synthesis of core shell nanocrystals |
| US10369538B2 (en) | 2015-12-31 | 2019-08-06 | Kuantag Nanoteknolojiler Gelistirme Ve Uretim A.S. | Flow system and process for photoluminescent nanoparticle production |
| CN108046278B (en) * | 2018-01-23 | 2020-12-08 | 合肥星巢环保科技有限公司 | Method for preparing high-specific-surface-area silicon dioxide by tubular continuous flow method |
| US10962461B2 (en) | 2019-08-02 | 2021-03-30 | X Energy, Llc | System and method for controlling metal oxide gel particle size |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11510560A (en) * | 1995-06-07 | 1999-09-14 | アドバンスド シリコン マテリアルズ インコーポレーテツド | Method and apparatus for depositing silicon in a fluidized bed reactor |
| US6107236A (en) * | 1998-04-14 | 2000-08-22 | Chevron Chemical Company Llc | Powders of silica-oxide and mixed silica-oxide and method of preparing same |
| JP2005515950A (en) * | 2001-06-14 | 2005-06-02 | ピーピージー インダストリーズ オハイオ， インコーポレイテッド | Silica and silica-based slurries |
| JP2006027978A (en) * | 2004-07-20 | 2006-02-02 | Asahi Glass Co Ltd | Method and device for producing inorganic spherical body |
-
2009
- 2009-04-23 WO PCT/US2009/041551 patent/WO2009132198A2/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11510560A (en) * | 1995-06-07 | 1999-09-14 | アドバンスド シリコン マテリアルズ インコーポレーテツド | Method and apparatus for depositing silicon in a fluidized bed reactor |
| US6107236A (en) * | 1998-04-14 | 2000-08-22 | Chevron Chemical Company Llc | Powders of silica-oxide and mixed silica-oxide and method of preparing same |
| JP2005515950A (en) * | 2001-06-14 | 2005-06-02 | ピーピージー インダストリーズ オハイオ， インコーポレイテッド | Silica and silica-based slurries |
| JP2006027978A (en) * | 2004-07-20 | 2006-02-02 | Asahi Glass Co Ltd | Method and device for producing inorganic spherical body |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009132198A2 (en) | 2009-10-29 |
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