FR2144583A1 - Accelerated aluminium hydroxide pptn - from solns of aluminates by seeding with aluminium phosphate/phosphoric acid - Google Patents
Accelerated aluminium hydroxide pptn - from solns of aluminates by seeding with aluminium phosphate/phosphoric acidInfo
- Publication number
- FR2144583A1 FR2144583A1 FR7124744A FR7124744A FR2144583A1 FR 2144583 A1 FR2144583 A1 FR 2144583A1 FR 7124744 A FR7124744 A FR 7124744A FR 7124744 A FR7124744 A FR 7124744A FR 2144583 A1 FR2144583 A1 FR 2144583A1
- Authority
- FR
- France
- Prior art keywords
- pptn
- solns
- aluminates
- seeding
- hydroxide
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 4
- 150000004645 aluminates Chemical class 0.000 title abstract 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 3
- 238000010899 nucleation Methods 0.000 title abstract 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 title 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 title 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 title 1
- 229940001007 aluminium phosphate Drugs 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
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
- 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
- C01F7/141—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7124744A FR2144583A1 (en) | 1971-07-06 | 1971-07-06 | Accelerated aluminium hydroxide pptn - from solns of aluminates by seeding with aluminium phosphate/phosphoric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7124744A FR2144583A1 (en) | 1971-07-06 | 1971-07-06 | Accelerated aluminium hydroxide pptn - from solns of aluminates by seeding with aluminium phosphate/phosphoric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2144583A1 true FR2144583A1 (en) | 1973-02-16 |
| FR2144583B1 FR2144583B1 (https=) | 1975-02-07 |
Family
ID=9079921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7124744A Granted FR2144583A1 (en) | 1971-07-06 | 1971-07-06 | Accelerated aluminium hydroxide pptn - from solns of aluminates by seeding with aluminium phosphate/phosphoric acid |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2144583A1 (https=) |
-
1971
- 1971-07-06 FR FR7124744A patent/FR2144583A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2144583B1 (https=) | 1975-02-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |