NL28397C - - Google Patents
Info
- Publication number
- NL28397C NL28397C NL28397DA NL28397C NL 28397 C NL28397 C NL 28397C NL 28397D A NL28397D A NL 28397DA NL 28397 C NL28397 C NL 28397C
- Authority
- NL
- Netherlands
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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
-
- 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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/19—Acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE357041X | 1930-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL28397C true NL28397C (fr) |
Family
ID=20308819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL28397D NL28397C (fr) | 1930-01-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1836694A (fr) |
| BE (1) | BE376577A (fr) |
| DE (1) | DE541565C (fr) |
| FR (1) | FR709512A (fr) |
| GB (1) | GB357041A (fr) |
| NL (1) | NL28397C (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2608465A (en) * | 1946-10-28 | 1952-08-26 | American Potash & Chem Corp | Process of producing lithium sulfate from lithium phosphates |
| NL74099C (fr) * | 1950-03-03 | |||
| US2897053A (en) * | 1954-02-26 | 1959-07-28 | Struthers Wells Corp | Wet process for phosphoric acid manufacture |
| DE976496C (de) * | 1954-11-07 | 1963-10-03 | Chem Fab Kalk Ges Mit Beschrae | Verfahren und Vorrichtung zum Aufschliessen von Rohphosphaten, insbesondere ungegluehten Rohphosphaten, mit Mineralsaeuren |
| DE1024098B (de) * | 1955-12-02 | 1958-02-13 | Guano Werke Ag | Verfahren zur Herstellung von Superphosphaten und freier Phosphorsaeure |
| US2887362A (en) * | 1955-12-30 | 1959-05-19 | Phillips Petroleum Co | Manufacture of phosphoric acid |
| CN107720712B (zh) * | 2017-11-09 | 2023-09-05 | 贵阳开磷化肥有限公司 | 一种湿法稀磷酸高效过滤净化装置以及其方法 |
-
0
- BE BE376577D patent/BE376577A/xx unknown
- NL NL28397D patent/NL28397C/xx active
-
1931
- 1931-01-08 DE DEK118354D patent/DE541565C/de not_active Expired
- 1931-01-09 GB GB860/31A patent/GB357041A/en not_active Expired
- 1931-01-15 US US508833A patent/US1836694A/en not_active Expired - Lifetime
- 1931-01-15 FR FR709512D patent/FR709512A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE376577A (fr) | |
| US1836694A (en) | 1931-12-15 |
| GB357041A (en) | 1931-09-17 |
| FR709512A (fr) | 1931-08-07 |
| DE541565C (de) | 1932-01-13 |