CN1520382A - 从苛性母液制备含水合氧化铝的晶体的方法 - Google Patents
从苛性母液制备含水合氧化铝的晶体的方法 Download PDFInfo
- Publication number
- CN1520382A CN1520382A CNA028065921A CN02806592A CN1520382A CN 1520382 A CN1520382 A CN 1520382A CN A028065921 A CNA028065921 A CN A028065921A CN 02806592 A CN02806592 A CN 02806592A CN 1520382 A CN1520382 A CN 1520382A
- Authority
- CN
- China
- Prior art keywords
- hydrated alumina
- phase
- alumina
- content
- preferred
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
- C01F7/144—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process
- C01F7/145—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed
-
- 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
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
| 与未加下列助剂的试样相比,所沉淀的晶体量的增加(Δ) | ||||
| Nr. | 称量[ppm] | Intrasol-NP9(9molEO) | Intrasol-NP9(6molEO) | FS+7mol EO |
| 1 | 25 | 0.89 | 0.57 | 0.17 |
| 2 | 50 | 0.98 | 1.03 | 0.18 |
| 3 | 100 | 1.20 | 1.33 | 0.18 |
| 4 | 200 | 1.98 | 1.12 | 0.17 |
| FS=脂肪酸聚乙二醇酯;EO=环氧乙烷Δ[g]=含助剂的沉淀[g]-不含助剂的沉淀[g] | ||||
Claims (12)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10113294A DE10113294A1 (de) | 2001-03-16 | 2001-03-16 | Bildung von Aluminiumoxidhydrat-haltigen Kristallen aus kaustischen Mutterlaugen |
| DE10113294.8 | 2001-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1520382A true CN1520382A (zh) | 2004-08-11 |
| CN100402428C CN100402428C (zh) | 2008-07-16 |
Family
ID=7678089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028065921A Expired - Fee Related CN100402428C (zh) | 2001-03-16 | 2002-02-02 | 从苛性母液制备含水合氧化铝的晶体的方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20040131539A1 (zh) |
| EP (1) | EP1381568A2 (zh) |
| CN (1) | CN100402428C (zh) |
| AU (1) | AU2002247677B2 (zh) |
| BR (1) | BR0208044A (zh) |
| DE (1) | DE10113294A1 (zh) |
| UA (1) | UA79588C2 (zh) |
| WO (1) | WO2002074689A2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8282689B2 (en) * | 2009-07-01 | 2012-10-09 | Nalco Company | Composition and method for enhancing the production of crystal agglomerates from a precipitation liquor |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49125298A (zh) * | 1973-04-06 | 1974-11-30 | ||
| US4608237A (en) * | 1985-04-24 | 1986-08-26 | Nalco Chemical Company | Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation |
| HU203852B (en) * | 1986-03-21 | 1991-10-28 | Ajkai Timfoeldgyar Aluminium | Process for mixing-precipitating aluminium-hydroxide from sodium-aluminate liquor with surfactants |
| US4737352A (en) * | 1987-04-09 | 1988-04-12 | Nalco Chemical Company | Use of surfactants in alumina precipitation in the bayer process |
| US5242494A (en) * | 1990-08-10 | 1993-09-07 | British Technology Group Ltd. | Foamable compositions |
| DE4039053A1 (de) * | 1990-12-07 | 1992-06-11 | Henkel Kgaa | Polyglycerine im bayer-prozess |
| US5167831A (en) * | 1991-06-20 | 1992-12-01 | Nalco Chemical Company | Non-ionic surfactants plus fatty-acids as dewatering aids for alumina trihydrate |
| CA2126914A1 (en) * | 1993-06-30 | 1994-12-31 | Gillain Mary Moody | Production of alumina |
| FR2755435A1 (fr) * | 1996-11-04 | 1998-05-07 | Pechiney Aluminium | Fabrication d'alumine calcinee a taille de cristallite reglee a la demande avec une faible dispersion |
| US6086771A (en) * | 1997-12-12 | 2000-07-11 | Nalco Chemical Company | Water continuous emulsion polymers for improving scale control in the bayer process |
| GB9800855D0 (en) * | 1998-01-15 | 1998-03-11 | Allied Colloids Ltd | Production of alumina |
| US6027706A (en) * | 1998-05-05 | 2000-02-22 | Board Of Trustees Operating Michigan State University | Porous aluminum oxide materials prepared by non-ionic surfactant assembly route |
| US6821935B1 (en) * | 1999-08-27 | 2004-11-23 | Procter & Gamble Company | Color safe laundry methods employing zwitterionic formulation components |
-
2001
- 2001-03-16 DE DE10113294A patent/DE10113294A1/de not_active Withdrawn
-
2002
- 2002-02-02 BR BR0208044-3A patent/BR0208044A/pt not_active Application Discontinuation
- 2002-02-02 WO PCT/EP2002/001084 patent/WO2002074689A2/de not_active Ceased
- 2002-02-02 US US10/469,983 patent/US20040131539A1/en not_active Abandoned
- 2002-02-02 EP EP02716717A patent/EP1381568A2/de not_active Withdrawn
- 2002-02-02 CN CNB028065921A patent/CN100402428C/zh not_active Expired - Fee Related
- 2002-02-02 UA UA2003109325A patent/UA79588C2/uk unknown
- 2002-02-02 AU AU2002247677A patent/AU2002247677B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE10113294A1 (de) | 2002-09-19 |
| AU2002247677B2 (en) | 2008-04-24 |
| UA79588C2 (en) | 2007-07-10 |
| US20040131539A1 (en) | 2004-07-08 |
| WO2002074689A3 (de) | 2003-10-16 |
| BR0208044A (pt) | 2004-02-25 |
| WO2002074689A2 (de) | 2002-09-26 |
| EP1381568A2 (de) | 2004-01-21 |
| CN100402428C (zh) | 2008-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: ASHLAND LICENSING AND INTELLECTUAL PROPERTY LTD. Free format text: FORMER OWNER: STOCKHAUSEN CHEM FAB GMBH Effective date: 20070914 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20070914 Address after: ohio Applicant after: Ashland Licensing And Intellec Address before: German Clay Field Applicant before: Stockhausen Chem Fab GmbH |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 Termination date: 20100302 |