ES2047829T5 - Procedimiento para concentrar un liquido conteniendo acido sulfurico y agua. - Google Patents

Procedimiento para concentrar un liquido conteniendo acido sulfurico y agua.

Info

Publication number
ES2047829T5
ES2047829T5 ES90202545T ES90202545T ES2047829T5 ES 2047829 T5 ES2047829 T5 ES 2047829T5 ES 90202545 T ES90202545 T ES 90202545T ES 90202545 T ES90202545 T ES 90202545T ES 2047829 T5 ES2047829 T5 ES 2047829T5
Authority
ES
Spain
Prior art keywords
stage
treatment
liquid
procedure
sulfuric acid
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
ES90202545T
Other languages
English (en)
Other versions
ES2047829T3 (es
Inventor
Klaus Hohmann
Heinz Dittmar
Ramiro Serrano-Velarde
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.)
GEA Group AG
Original Assignee
Metallgesellschaft 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6392409&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2047829(T5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Metallgesellschaft AG filed Critical Metallgesellschaft AG
Application granted granted Critical
Publication of ES2047829T3 publication Critical patent/ES2047829T3/es
Publication of ES2047829T5 publication Critical patent/ES2047829T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/88—Concentration of sulfuric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO QUE SE UTILIZA PARA CONCENTRAR ACIDO SULFURICO DILUIDO, TRABAJA CON UNA PRIMERA ETAPA DE TRATAMIENTO EN CALIENTE FORMADA POR UN EVAPORADOR CON CICLO (2) DE LIQUIDO, UN INTERCAMBIADOR (4) DE CALOR INDIRECTO Y UN DEPOSITO (5) DE SALIDA DE VAHOS , UNA SEGUNDA ETAPA DE TRATAMIENTO EN CALIENTE FORMADA POR UNO O VARIOS EVAPORADORES Y UNA EXPANSION O CONCENTRACION FINAL Y SE CARACTERIZA PORQUE, LA SEGUNDA ETAPA DE TRATAMIENTO SE CALIENTA CON VAPOR FRESCO (17), LA PRIMERA ETAPA DE TRATAMIENTO SE CALIENTA CON VAHOS (7) DE LA SEGUNDA ETAPA DE TRATAMIENTO, EN LA PRIMERA ETAPA DE TRATAMIENTO EN CALIENTE, EL LIQUIDO A TRATAR SE ENCUENTRA A UNA TEMPERATURA ENTRE A 50 IENTO EL LIQUIDO A TRATAR SE ENCUENTRA EN UNA TEMPERATURA ENTRE 130 Y 180 C Y EL LIQUIDO SALIENTE DEL DEPOSITO DE EXPANSION PRESENTA UNA CONCENTRACION DE SO SUB 4 H SUB 2 ENTRE UN 60 A UN 80 % EN PESO.
ES90202545T 1989-10-27 1990-09-26 Procedimiento para concentrar un liquido conteniendo acido sulfurico y agua. Expired - Lifetime ES2047829T5 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3935892A DE3935892C2 (de) 1989-10-27 1989-10-27 Verfahren und Vorrichtung zum Konzentrieren einer Schwefelsäure und Wasser enthaltenden Flüssigkeit

Publications (2)

Publication Number Publication Date
ES2047829T3 ES2047829T3 (es) 1994-03-01
ES2047829T5 true ES2047829T5 (es) 1997-01-16

Family

ID=6392409

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90202545T Expired - Lifetime ES2047829T5 (es) 1989-10-27 1990-09-26 Procedimiento para concentrar un liquido conteniendo acido sulfurico y agua.

Country Status (8)

Country Link
EP (1) EP0425000B2 (es)
JP (1) JPH03146408A (es)
AU (1) AU624540B2 (es)
BR (1) BR9005114A (es)
CA (1) CA2024547A1 (es)
DE (2) DE3935892C2 (es)
ES (1) ES2047829T5 (es)
MY (1) MY106697A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682398A5 (de) * 1991-09-13 1993-09-15 Escher Wyss Ag Verfahren zur Energieeinsparung bei der Herstellung von Titandioxid.
DE19741511A1 (de) * 1997-09-20 1999-04-01 Metallgesellschaft Ag Verfahren zur Aufkonzentrierung von Dünnsäure durch Ausnutzung von Prozeßwärme in einer Zwangsumlaufverdampferanlage
GB9816464D0 (en) * 1998-07-30 1998-09-23 Tioxide Group Services Ltd Process for the concentration of dilute sulphuric acid solutions
ATE265459T1 (de) 1999-09-28 2004-05-15 Otsuka Pharma Co Ltd Triazolpurin-derivate, medikamentzusammensetzungen, die diese enthalten und mittel, die affinität zum adenosin a3 rezeptor zeigen
DE10024457A1 (de) * 2000-05-18 2001-11-29 Sachtleben Chemie Gmbh Verfahren zur Konzentration des Schwefelsäure-Gehalts von bei der Produktion von Titandioxid anfallender Dünnsäure
ITPR20040050A1 (it) * 2004-07-20 2004-10-20 Fmc Technologies Italia Spa Impianto di evaporazione per frutta e prodotti vegetali a basso consumo energetico e limitatissimo danno termico.
WO2008003297A2 (de) * 2006-07-03 2008-01-10 Lailach Guenter Verfahren und anlage zum konzentrieren metallsulfathaltiger schwefelsäure
JP6001328B2 (ja) * 2012-05-23 2016-10-05 パンパシフィック・カッパー株式会社 硫酸酸性液の濃縮装置、硫酸酸性液の濃縮方法及び粗硫酸ニッケルの回収方法
JP2016180187A (ja) * 2016-07-05 2016-10-13 パンパシフィック・カッパー株式会社 硫酸酸性液の濃縮装置、硫酸酸性液の濃縮方法及び粗硫酸ニッケルの回収方法
DE102020131827A1 (de) 2020-12-01 2022-06-02 Andreas Wilk Vorrichtung und Verfahren zur Aufkonzentrierung korrosiver Flüssigkeiten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972412C (de) * 1951-06-01 1959-07-16 Metallgesellschaft Ag Verfahren zum Eindampfen von Schwefelsaeure oder sich aehnlich verhaltenden Loesungen
DE1233368B (de) * 1962-08-13 1967-02-02 Heraeus Schott Quarzschmelze Verfahren zur kontinuierlichen Destillation von Schwefelsaeure in Apparaturen aus keramischen Werkstoffen
DE2632989A1 (de) * 1976-07-22 1978-02-02 Hoechst Ag Verfahren zum regenerieren von schwefelsaeure
DE2824010A1 (de) * 1978-06-01 1979-12-13 Metallgesellschaft Ag Verfahren zur aufkonzentrierung von verduennter phosphorsaeure
EP0022181B1 (de) * 1979-06-13 1983-10-12 Bayer Ag Verfahren und Vorrichtung zum Regenerieren von Schwefelsäure
DE3327769A1 (de) * 1983-08-02 1985-02-14 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von duennsaeuren
DE3632623A1 (de) * 1986-09-25 1988-03-31 Bayer Ag Verfahren zum aufkonzentrieren von schwefelsaeure

Also Published As

Publication number Publication date
AU6499290A (en) 1991-05-02
AU624540B2 (en) 1992-06-11
DE3935892C2 (de) 1994-08-25
BR9005114A (pt) 1991-09-17
MY106697A (en) 1995-07-31
DE59003963D1 (de) 1994-02-03
EP0425000B2 (de) 1996-11-27
CA2024547A1 (en) 1991-04-28
DE3935892A1 (de) 1991-05-02
JPH03146408A (ja) 1991-06-21
EP0425000B1 (de) 1993-12-22
EP0425000A1 (de) 1991-05-02
ES2047829T3 (es) 1994-03-01

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