ES2145390T3 - Procedimiento y dispositivo de regeneracion de una solucion usada de decapado de elementos en aleacion de circonio. - Google Patents

Procedimiento y dispositivo de regeneracion de una solucion usada de decapado de elementos en aleacion de circonio.

Info

Publication number
ES2145390T3
ES2145390T3 ES96400097T ES96400097T ES2145390T3 ES 2145390 T3 ES2145390 T3 ES 2145390T3 ES 96400097 T ES96400097 T ES 96400097T ES 96400097 T ES96400097 T ES 96400097T ES 2145390 T3 ES2145390 T3 ES 2145390T3
Authority
ES
Spain
Prior art keywords
solution
acid solution
regeneration
concentrated acid
procedure
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES96400097T
Other languages
English (en)
Inventor
Bernard Furic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zircotube SNC
Original Assignee
Zircotube SNC
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 Zircotube SNC filed Critical Zircotube SNC
Application granted granted Critical
Publication of ES2145390T3 publication Critical patent/ES2145390T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/46—Regeneration of etching compositions
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • ing And Chemical Polishing (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

SE EVAPORA AL VACIO EN UN EVAPORADOR (7) Y SE CONDENSA UNA PARTE SUSTANCIAL DEL AGUA CONTENIDA EN LA SOLUCION USADA, PARA OBTENER AGUA LIGERAMENTE ACIDA Y UNA SOLUCION ACIDA CONCENTRADA CONTAMINADA POR FLUORURO DE CIRCONIO ZRF{SUB,4}. SE TRATA POR EVAPORACION AL VACIO EN UN CRISTALIZADOR (8) LA SOLUCION ACIDA CONCENTRADA CONTAMINADA, PARA OBTENER CRISTALES DE FLUORURO DE CIRCONIO ZRF{SUB,4} Y UNA SOLUCION ACIDA CONCENTRADA DEPURADA. SE MEZCLA EL AGUA LIGERAMENTE ACIDA Y LA SOLUCION ACIDA CONCENTRADA DEPURADA EN PROPORCIONES DESEADAS PARA OBTENER UNA SOLUCION DE DECAPADO REGENERADA.
ES96400097T 1995-01-24 1996-01-15 Procedimiento y dispositivo de regeneracion de una solucion usada de decapado de elementos en aleacion de circonio. Expired - Lifetime ES2145390T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9500783A FR2729676B1 (fr) 1995-01-24 1995-01-24 Procede et dispositif de regeneration d'une solution usagee de decapage d'elements en alliage de zirconium

Publications (1)

Publication Number Publication Date
ES2145390T3 true ES2145390T3 (es) 2000-07-01

Family

ID=9475436

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96400097T Expired - Lifetime ES2145390T3 (es) 1995-01-24 1996-01-15 Procedimiento y dispositivo de regeneracion de una solucion usada de decapado de elementos en aleacion de circonio.

Country Status (5)

Country Link
US (1) US5788935A (es)
EP (1) EP0723038B1 (es)
DE (1) DE69607660T2 (es)
ES (1) ES2145390T3 (es)
FR (1) FR2729676B1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6885845B1 (en) * 1993-04-05 2005-04-26 Ambit Corp. Personal communication device connectivity arrangement
RU2120497C1 (ru) * 1997-03-20 1998-10-20 Открытое акционерное общество "Чепецкий механический завод" Способ регенерации нитрато-фторидных травильных растворов, содержащих цирконий
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.
FR2887868B1 (fr) * 2005-06-30 2007-08-17 Cie Europ Du Zirconium Cezus S Procede de recyclage de tetrafluorure de zirconium en zircone
US7988946B2 (en) 2005-06-30 2011-08-02 Compagnie Europeenne Du Zirconium-Cezus Method for recycling zirconium tetrafluoride into zirconia
CN103241784A (zh) * 2012-02-14 2013-08-14 库特勒自动化系统(苏州)有限公司 太阳能电池刻蚀废物体系的处理方法及处理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993757A (en) * 1958-07-07 1961-07-25 Crucible Steel Co America Process for recovering acid values from mixed acid waste
US3540513A (en) * 1968-10-14 1970-11-17 Daido Chem Eng Corp Apparatus for treating a pickling waste
AT335251B (de) * 1975-03-10 1977-03-10 Ruthner Industrieanlagen Ag Verfahren und vorrichtung zur wiedergewinnung von salpetersaure und flusssaure aus losungen
FI58519C (fi) * 1978-12-07 1981-02-10 Rosenlew Ab Oy W Foerfarande foer regenerering av betningssyror
DE3009265A1 (de) * 1980-03-11 1981-09-24 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zum regenerieren von zrf (pfeil abwaerts)4(pfeil abwaerts) enthaltenden beizloesungen
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
EP0331231B1 (de) * 1988-02-24 1991-10-16 Metallgesellschaft Ag Verfahren zum Regenerieren von ZrF4 enthaltenden Beizlösungen
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.
US5076884A (en) * 1990-07-19 1991-12-31 Westinghouse Electric Corp. Process of precipitating zirconium or hafnium from spent pickling solutions

Also Published As

Publication number Publication date
DE69607660T2 (de) 2000-12-28
FR2729676B1 (fr) 1997-04-11
FR2729676A1 (fr) 1996-07-26
DE69607660D1 (de) 2000-05-18
EP0723038B1 (fr) 2000-04-12
US5788935A (en) 1998-08-04
EP0723038A1 (fr) 1996-07-24

Similar Documents

Publication Publication Date Title
KR930008193A (ko) 실리콘 괴(塊)의 세정방법
BR0009229A (pt) Processo de purificação em escala industrial deácido láctico, ácido láctico ou solução de ácidoláctico, uso de ácido láctico ou solução de ácidoláctico, uso do ácido (s) -láctico ou da solução deácido (s) -láctico, preparação farmacêutica, e, usode cristalização por resfriamento, cristalizaçãopor evaporação ou cristalização adiabática
ATE473995T1 (de) Verwendung von angiotensin-ii-analogen zur gewebewiederherstellung
MA21503A1 (fr) Procede pour l'elimination des metaux lourds partienlier du cadminum, des solutions contenant de l'acide perosphorique.
CA2282023A1 (en) Process and device for recovering and treating of aqueous solutions
MX9405126A (es) Recuperacion de acido citrico a partir de corrientes de proceso impuras,por adicion de acidos fuertes y sus sales.
JPS62103076A (ja) Ｌ−アスコルビン酸の精製法
DE69812349D1 (de) Kristallisationsverfahren
CA2078322A1 (fr) Procede de traitement d'une solution aqueuse contenant principalement de l'acide nitrique et de l'acide fluorhydrique
MA19975A1 (fr) Procede de purification de l'acide phosphorique prepare par voie humide
CA1117974A (en) Process for purification of acrylic acid by fractional crystallization
CA2175053A1 (en) Perchlorate Removal Process
JPH08502524A (ja) 硫酸ナトリウムによる低濃度のフェノールの回収
ES2162696T3 (es) Procedimiento para la purificacion de dimetilsulfoxido (dmso).
BRPI0113939B8 (pt) método para a purificação de um ácido alfa-hidróxi em uma escala industrial.
JPH0622659B2 (ja) Ａ▲ｌ▼材の表面処理廃液の処理方法
JP3692497B2 (ja) ジメチルスルホキシドの回収方法
JPS54162683A (en) Desalting method
FR2536061B1 (fr) Procede pour ameliorer l'efficacite de la decontamination en ruthenium dans le traitement de l'acide nitrique par evaporation
JPS54145382A (en) Purification of crude aqueous solution
ES8605369A1 (es) Procedimiento para espesar zumo de uvas
JPH06173048A (ja) 金属表面処理廃酸の処理回収法
BR0307878A (pt) Método para purificar um composto de nióbio e/ou um composto de tântalo
ATE47862T1 (de) Verfahren zur einstufigen herstellung von glycosylfluoriden.
TNSN94136A1 (fr) Procede d'extraction et de concentration de cadmium contenu en faibles et moyennes concentrations dans des effluents sulfuriques concentres

Legal Events

Date Code Title Description
FA2A Application withdrawn

Effective date: 19980918

FG2A Definitive protection

Ref document number: 723038

Country of ref document: ES