NL7108821A - - Google Patents
Info
- Publication number
- NL7108821A NL7108821A NL7108821A NL7108821A NL7108821A NL 7108821 A NL7108821 A NL 7108821A NL 7108821 A NL7108821 A NL 7108821A NL 7108821 A NL7108821 A NL 7108821A NL 7108821 A NL7108821 A NL 7108821A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
- B01D3/346—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas the gas being used for removing vapours, e.g. transport gas
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702045180 DE2045180C3 (de) | 1970-09-12 | Verfahren zur Konzentrierung schwacher Phosphorsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7108821A true NL7108821A (enExample) | 1972-03-14 |
Family
ID=5782268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7108821A NL7108821A (enExample) | 1970-09-12 | 1971-06-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3781410A (enExample) |
| BE (1) | BE770916A (enExample) |
| FR (1) | FR2107520A5 (enExample) |
| GB (1) | GB1362388A (enExample) |
| NL (1) | NL7108821A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4233278A (en) * | 1978-03-24 | 1980-11-11 | Davy Powergas Inc. | Process for purifying crude phosphoric acid |
| EA015200B1 (ru) * | 2009-04-20 | 2011-06-30 | Открытое Акционерное Общество "Научно-Исследовательский Институт По Удобрениям И Инсектофунгицидам Им. Профессора Я.В. Самойлова" | Способ концентрирования и обесфторивания фосфорной кислоты |
| CN115944940A (zh) * | 2022-12-15 | 2023-04-11 | 昆明川金诺化工股份有限公司 | 一种湿法浓磷酸生产饲料级磷酸钙盐用高效脱氟塔及脱氟系统 |
| CN116621135A (zh) * | 2023-06-20 | 2023-08-22 | 瓮福（集团）有限责任公司 | 一种浓磷酸再浓缩方法 |
-
1971
- 1971-06-25 NL NL7108821A patent/NL7108821A/xx unknown
- 1971-07-12 US US00161842A patent/US3781410A/en not_active Expired - Lifetime
- 1971-08-04 BE BE770916A patent/BE770916A/xx unknown
- 1971-09-06 GB GB4138371A patent/GB1362388A/en not_active Expired
- 1971-09-10 FR FR7132696A patent/FR2107520A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1362388A (en) | 1974-08-07 |
| FR2107520A5 (enExample) | 1972-05-05 |
| BE770916A (fr) | 1971-12-16 |
| US3781410A (en) | 1973-12-25 |
| DE2045180B2 (de) | 1975-10-23 |
| DE2045180A1 (de) | 1972-03-16 |