IL121954A0 - Method of recovering fluorine compounds from vapors exiting wet process phosphoric acid evaporators - Google Patents
Method of recovering fluorine compounds from vapors exiting wet process phosphoric acid evaporatorsInfo
- Publication number
- IL121954A0 IL121954A0 IL12195496A IL12195496A IL121954A0 IL 121954 A0 IL121954 A0 IL 121954A0 IL 12195496 A IL12195496 A IL 12195496A IL 12195496 A IL12195496 A IL 12195496A IL 121954 A0 IL121954 A0 IL 121954A0
- Authority
- IL
- Israel
- Prior art keywords
- phosphoric acid
- wet process
- fluorine compounds
- process phosphoric
- vapors exiting
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1996/011492 WO1998001214A1 (en) | 1996-07-10 | 1996-07-10 | Method of recovering fluorine compounds from vapors exiting wet process phosphoric acid evaporators |
Publications (1)
Publication Number | Publication Date |
---|---|
IL121954A0 true IL121954A0 (en) | 2000-02-17 |
Family
ID=22255435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL12195496A IL121954A0 (en) | 1996-07-10 | 1996-07-10 | Method of recovering fluorine compounds from vapors exiting wet process phosphoric acid evaporators |
Country Status (2)
Country | Link |
---|---|
IL (1) | IL121954A0 (en) |
WO (1) | WO1998001214A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10118961B4 (en) * | 2001-04-10 | 2006-08-31 | Thermoselect Ag | Scrubber and method for cleaning gases |
GB201112715D0 (en) | 2011-07-22 | 2011-09-07 | Edwards Ltd | Sub-atmospheric pressure gas scrubbers |
CN107161965A (en) * | 2017-04-21 | 2017-09-15 | 宜昌东圣磷复肥有限责任公司 | A kind of wet-process phosphoric acid concentration waste gas recovering device and its technique |
CN112191081A (en) * | 2020-09-01 | 2021-01-08 | 中船重工(邯郸)派瑞特种气体有限公司 | Method and system for treating hydrogen fluoride tail gas generated in nitrogen trifluoride preparation process |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL267418A (en) * | 1960-08-01 | |||
US3893830A (en) * | 1973-06-07 | 1975-07-08 | Stauffer Chemical Co | Co-current absorber for recovering inorganic compounds from plant effluents |
US4375386A (en) * | 1981-05-07 | 1983-03-01 | The Badger Company, Inc. | Cyclonic entrainment separator for evaporator |
-
1996
- 1996-07-10 IL IL12195496A patent/IL121954A0/en unknown
- 1996-07-10 WO PCT/US1996/011492 patent/WO1998001214A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO1998001214A1 (en) | 1998-01-15 |
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