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 evaporators

Info

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
Application number
IL12195496A
Original Assignee
Raytheon Engineers & Construct
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Raytheon Engineers & Construct filed Critical Raytheon Engineers & Construct
Publication of IL121954A0 publication Critical patent/IL121954A0/en

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
IL12195496A 1996-07-10 1996-07-10 Method of recovering fluorine compounds from vapors exiting wet process phosphoric acid evaporators IL121954A0 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO1998001214A1 (en) 1998-01-15

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