SE436578B - Forfarande och anordning for atervinning av salpetersyra och fluorvetesyra ur anvenda betningsvetskor - Google Patents

Forfarande och anordning for atervinning av salpetersyra och fluorvetesyra ur anvenda betningsvetskor

Info

Publication number
SE436578B
SE436578B SE7602662A SE7602662A SE436578B SE 436578 B SE436578 B SE 436578B SE 7602662 A SE7602662 A SE 7602662A SE 7602662 A SE7602662 A SE 7602662A SE 436578 B SE436578 B SE 436578B
Authority
SE
Sweden
Prior art keywords
acid
salphatic
fluorovetic
sweets
recycling
Prior art date
Application number
SE7602662A
Other languages
English (en)
Other versions
SE7602662L (sv
Inventor
A Krepler
Original Assignee
Ruthner Industrieanlagen Ag
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 Ruthner Industrieanlagen Ag filed Critical Ruthner Industrieanlagen Ag
Publication of SE7602662L publication Critical patent/SE7602662L/sv
Publication of SE436578B publication Critical patent/SE436578B/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36—Regeneration of waste pickling liquors
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/46—Purification; Separation ; Stabilisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B9/00—General methods of preparing halides
    • C01B9/08—Fluorides
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/01—Waste acid containing iron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
SE7602662A 1975-03-10 1976-02-27 Forfarande och anordning for atervinning av salpetersyra och fluorvetesyra ur anvenda betningsvetskor SE436578B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT182675A AT335251B (de) 1975-03-10 1975-03-10 Verfahren und vorrichtung zur wiedergewinnung von salpetersaure und flusssaure aus losungen

Publications (2)

Publication Number Publication Date
SE7602662L SE7602662L (sv) 1976-09-11
SE436578B true SE436578B (sv) 1985-01-07

Family

ID=3521824

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7602662A SE436578B (sv) 1975-03-10 1976-02-27 Forfarande och anordning for atervinning av salpetersyra och fluorvetesyra ur anvenda betningsvetskor

Country Status (8)

Country Link
US (1) US4144092A (sv)
JP (1) JPS5823473B2 (sv)
AT (1) AT335251B (sv)
DE (2) DE2609629C2 (sv)
FR (1) FR2303761A1 (sv)
GB (1) GB1516455A (sv)
IT (1) IT1062445B (sv)
SE (1) SE436578B (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197139A (en) * 1978-08-23 1980-04-08 Hjersted Norman B Process for the reclamation of acid from spent pickle liquor
FI58519C (fi) * 1978-12-07 1981-02-10 Rosenlew Ab Oy W Foerfarande foer regenerering av betningssyror
US4484961A (en) * 1981-10-26 1984-11-27 Textron, Inc. Preparation and purification of N2 O4 containing rocket propellant oxidizer
AT374508B (de) * 1982-07-01 1984-05-10 Ruthner Industrieanlagen Ag Verfahren zur aufarbeitung verbrauchter beizoder aetzloesungen auf der basis von salpeter-flussaeure
US4572824A (en) * 1984-11-01 1986-02-25 General Electric Company Process for recovery of zirconium and acid from spent etching solutions
FR2659956B1 (fr) * 1990-03-21 1992-06-26 Cogema Procede de traitement d'une solution aqueuse contenant principalement de l'acide nitrique et de l'acide fluorhydrique.
US5082523A (en) * 1990-11-19 1992-01-21 Westinghouse Electric Corp. Process of regenerating spent HF-HNO3 pickle acid containing (ZrF6-2
FR2729676B1 (fr) * 1995-01-24 1997-04-11 Zircotube Procede et dispositif de regeneration d'une solution usagee de decapage d'elements en alliage de zirconium
AT412001B (de) * 1995-03-07 2004-08-26 Edv Systemanalyse Und Systemde Verfahren zur gewinnung bzw. rückgewinnung von säuren
KR19990022281A (ko) * 1995-06-05 1999-03-25 제프리 엘. 웬트 전자부품 제조를 위한 사용지점 암모니아 정제
US6361613B2 (en) 1996-04-29 2002-03-26 Ki Won Lee Method for pickling mettalic surface, pickling solutions therefor, and process for regenerating spent pickling solutions
US6214173B1 (en) 1996-06-05 2001-04-10 Air Liquide Electronics Chemicals & Services, Inc. On-site manufacture of ultra-high-purity nitric acid
AT406168B (de) * 1998-09-03 2000-03-27 Eurox Eisenoxydproduktions Und Verfahren zur gewinnung bzw. rückgewinnung von flusssäure und salpetersäure
AT407757B (de) * 1999-03-22 2001-06-25 Andritz Patentverwaltung Verfahren zur rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren
US20020005210A1 (en) * 2000-01-05 2002-01-17 Olsen Douglas R. Regenerating spent pickling liquor
FR2874220B1 (fr) * 2004-08-10 2007-07-06 Snecma Moteurs Sa Procede de regeneration des acides d'usinage chimique, installation pour la mise en oeuvre du procede et procede d'usinage chimique associe.
US8795620B2 (en) * 2011-02-15 2014-08-05 Ati Properties, Inc. Systems and methods for recovering nitric acid from pickling solutions
CN109553152B (zh) * 2018-11-30 2021-09-10 中冶南方工程技术有限公司 一种不锈钢混酸废液再生酸工艺
CN113072233B (zh) * 2021-04-12 2023-03-17 大同氢都驰拓新能源有限公司 一种用于处理石墨提纯的酸性废水的处理方法
CN114433541A (zh) * 2021-12-27 2022-05-06 张家港博佑光电科技有限公司 一种石墨舟清洗工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2017773A (en) * 1932-08-02 1935-10-15 Noah B Smith Process of recovering waste pickling solutions
US3048503A (en) * 1958-06-19 1962-08-07 Crucible Steel Co America Pickling apparatus and method
US2993757A (en) * 1958-07-07 1961-07-25 Crucible Steel Co America Process for recovering acid values from mixed acid waste
FR1452865A (fr) * 1965-08-04 1966-04-15 Kestner App Evaporateurs Procédé de régénération continue de bains de décapage à l'acide chlorhydrique, pour pièces en métaux ferreux
US3840646A (en) * 1972-05-17 1974-10-08 Fuji Kasui Eng Co Ltd Process for recovering nitric acid from waste pickle liquor solution

Also Published As

Publication number Publication date
AT335251B (de) 1977-03-10
JPS5823473B2 (ja) 1983-05-16
FR2303761B1 (sv) 1980-02-08
IT1062445B (it) 1984-10-10
DE2609629C2 (de) 1986-10-23
ATA182675A (de) 1976-06-15
DE2609629A1 (de) 1976-09-16
JPS51112796A (en) 1976-10-05
SE7602662L (sv) 1976-09-11
DE7607063U1 (de) 1977-09-29
FR2303761A1 (fr) 1976-10-08
US4144092A (en) 1979-03-13
GB1516455A (en) 1978-07-05

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