FR721505A - Process for refining the reaction products of phosphorites with nitric acid, in particular for the manufacture of fertilizers - Google Patents
Process for refining the reaction products of phosphorites with nitric acid, in particular for the manufacture of fertilizersInfo
- Publication number
- FR721505A FR721505A FR721505DA FR721505A FR 721505 A FR721505 A FR 721505A FR 721505D A FR721505D A FR 721505DA FR 721505 A FR721505 A FR 721505A
- Authority
- FR
- France
- Prior art keywords
- phosphorites
- fertilizers
- refining
- manufacture
- nitric acid
- 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
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH721505X | 1930-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR721505A true FR721505A (en) | 1932-03-04 |
Family
ID=4531588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR721505D Expired FR721505A (en) | 1930-08-02 | 1931-07-20 | Process for refining the reaction products of phosphorites with nitric acid, in particular for the manufacture of fertilizers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR721505A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1018073B (en) * | 1955-10-19 | 1957-10-24 | Chem Fab Kalk Ges Mit Beschrae | Process for the production of multi-nutrient fertilizers |
-
1931
- 1931-07-20 FR FR721505D patent/FR721505A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1018073B (en) * | 1955-10-19 | 1957-10-24 | Chem Fab Kalk Ges Mit Beschrae | Process for the production of multi-nutrient fertilizers |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR748336A (en) | Process for the manufacture of highly concentrated nitrogen acid | |
FR662569A (en) | Process for the production of hydrocyanic acid | |
FR721505A (en) | Process for refining the reaction products of phosphorites with nitric acid, in particular for the manufacture of fertilizers | |
FR709512A (en) | Improved process for concentrating phosphoric acid solutions | |
FR692542A (en) | Process for the production of hydrocyanic acid | |
FR672846A (en) | Process for making phosphoric acid and products containing phosphoric acid | |
FR651093A (en) | Process for the production of concentrated nitric acid starting from the oxidation of ammonia | |
FR698832A (en) | Process for the preparation of alkoxy-aldehydes and new industrial products resulting therefrom | |
FR642057A (en) | Process for the production of solid carbonic acid | |
FR38823E (en) | Process for the use of final liquors from the potash industry | |
FR716839A (en) | Process for the production of nitric acid in high concentration | |
FR631233A (en) | Process for the production of mixed fertilizers | |
FR692595A (en) | Concentrated sulfuric acid de-arsenication process | |
FR629308A (en) | Process for the manufacture of nucleic acid and phytin and for the purification of these two products | |
FR705905A (en) | Process for preparing chloroacetic acid | |
FR722981A (en) | Process for the production of sulfuric acid by contact | |
FR671833A (en) | Industrial process for the manufacture of concentrated superphosphates and phosphoric acid | |
GB377328A (en) | Process for the production of highly soluble basic slag | |
FR672847A (en) | Process for the manufacture of phosphoric acid and products containing phosphoric acid | |
FR610986A (en) | Process of increasing the production and phosphoric acid content of thomas slag | |
FR668720A (en) | Process for the production of highly concentrated nitric acid | |
FR640748A (en) | Process for the preparation of 1-methyl-2.5.6-trichloro-3-aminobenzene-4-sulfonic acid | |
FR605115A (en) | Process for the manufacture of alkali metabisulphites or bisulphites with recovery of pure carbonic acid | |
FR38194E (en) | Process for the production of nitrogenous condensation products | |
FR663660A (en) | Process for the manufacture of triple superphosphates and mixed superphosphates independently of the manufacture of phosphoric acid |