FR690818A - Manufacture of phosphoric acid or certain phosphates from lead phosphate - Google Patents
Manufacture of phosphoric acid or certain phosphates from lead phosphateInfo
- Publication number
- FR690818A FR690818A FR690818DA FR690818A FR 690818 A FR690818 A FR 690818A FR 690818D A FR690818D A FR 690818DA FR 690818 A FR690818 A FR 690818A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- phosphoric acid
- lead phosphate
- certain phosphates
- phosphates
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/28—Ammonium phosphates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/185—Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/305—Preparation from phosphorus-containing compounds by alkaline treatment
- C01B25/306—Preparation from phosphorus-containing compounds by alkaline treatment from phosphates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/405—Polyphosphates of ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR690818T | 1930-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR690818A true FR690818A (en) | 1930-09-26 |
Family
ID=9031005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR690818D Expired FR690818A (en) | 1930-02-28 | 1930-02-28 | Manufacture of phosphoric acid or certain phosphates from lead phosphate |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR690818A (en) |
-
1930
- 1930-02-28 FR FR690818D patent/FR690818A/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR756593A (en) | Preparation of concentrated nitric acid | |
| FR764056A (en) | Manufacture of sulfuric acid by condensation | |
| FR690818A (en) | Manufacture of phosphoric acid or certain phosphates from lead phosphate | |
| FR716914A (en) | Process for the preparation of ethionic acid or carbylsulfate or their homologues | |
| FR610520A (en) | Process for the manufacture of phosphorus, phosphorus pentoxide and phosphoric acid | |
| FR830273A (en) | Resinous compositions and their methods of manufacture | |
| FR819921A (en) | Manufacturing process of phosphate fertilizers | |
| FR688801A (en) | Process for preparing phosphoric acid from monocalcium phosphate | |
| FR665335A (en) | Improvement in the manufacture of phosphoric acid | |
| FR628780A (en) | Recovery of phosphorus and hydrogen compounds of phosphorus in the form of phosphoric acid or phosphates | |
| FR648029A (en) | Process for the simultaneous production of phosphorus or phosphoric acid and hydraulic binders in the latent state | |
| FR700402A (en) | Manufacturing process of phosphorus or phosphoric acid and alumina | |
| FR592379A (en) | Process for the preparation of phosphorus, phosphoric anhydride and phosphoric acid | |
| FR712589A (en) | Process for manufacturing phosphate fertilizers with high phosphoric acid content | |
| FR687849A (en) | Process for the simultaneous manufacture of phosphorus or phosphoric acid and gas mixtures suitable for various syntheses | |
| FR699381A (en) | Process for manufacturing halogenated esters of phosphorous acid and phosphoric acid | |
| FR663660A (en) | Process for the manufacture of triple superphosphates and mixed superphosphates independently of the manufacture of phosphoric acid | |
| FR775457A (en) | Manufacturing process of fertilizers containing phosphoric acid | |
| FR695962A (en) | Process for the production of alumina and phosphorus, or phosphoric acid | |
| FR604956A (en) | Process for the manufacture of phosphoric acid | |
| FR659743A (en) | Process for the simultaneous production of phosphorus or phosphoric acid and hydraulic binders in the latent state | |
| FR693913A (en) | Manufacture of disodium acid pyrophosphate | |
| FR684295A (en) | Manufacturing process for neutral esters of phosphoric acid | |
| FR699707A (en) | Process for the simultaneous production of phosphorus (or phosphoric acid) and alumina | |
| FR769749A (en) | Manufacturing process of monocalcium phosphate |