IT1086096B - Procedimento per la concentrazione di soluzioni acquose di acido solforico - Google Patents

Procedimento per la concentrazione di soluzioni acquose di acido solforico

Info

Publication number
IT1086096B
IT1086096B IT2779777A IT2779777A IT1086096B IT 1086096 B IT1086096 B IT 1086096B IT 2779777 A IT2779777 A IT 2779777A IT 2779777 A IT2779777 A IT 2779777A IT 1086096 B IT1086096 B IT 1086096B
Authority
IT
Italy
Prior art keywords
procedure
concentration
sulfuric acid
aqueous solutions
aqueous
Prior art date
Application number
IT2779777A
Other languages
English (en)
Inventor
Erich Schmoll
Raffaele Ungarelli
Luigi Chiapponi
Eduard Kratz
Original Assignee
Montedison Spa
Escher Wyss 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 Montedison Spa, Escher Wyss Ag filed Critical Montedison Spa
Priority to IT2779777A priority Critical patent/IT1086096B/it
Priority to DE19782807380 priority patent/DE2807380A1/de
Priority to NL7809474A priority patent/NL7809474A/xx
Priority to RO7895225A priority patent/RO76235A/ro
Priority to JP11416778A priority patent/JPS5461094A/ja
Priority to CH981178A priority patent/CH638465A5/de
Priority to FR7827059A priority patent/FR2403973A1/fr
Priority to GB7837625A priority patent/GB2004469B/en
Application granted granted Critical
Publication of IT1086096B publication Critical patent/IT1086096B/it

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IT2779777A 1977-09-21 1977-09-21 Procedimento per la concentrazione di soluzioni acquose di acido solforico IT1086096B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT2779777A IT1086096B (it) 1977-09-21 1977-09-21 Procedimento per la concentrazione di soluzioni acquose di acido solforico
DE19782807380 DE2807380A1 (de) 1977-09-21 1978-02-21 Verfahren zum konzentrieren von waessrigen schwefelsaeureloesungen
NL7809474A NL7809474A (nl) 1977-09-21 1978-09-18 Werkwijze voor het concentreren van waterige zwavel- zuuroplossingen.
RO7895225A RO76235A (ro) 1977-09-21 1978-09-19 Procedeu pentru concentrarea prin evaporare a unor solutii apoase de acid sulfuric
JP11416778A JPS5461094A (en) 1977-09-21 1978-09-19 Method of concentrating sulfuric acid aqueous solution
CH981178A CH638465A5 (de) 1977-09-21 1978-09-20 Verfahren zum konzentrieren von waessrigen schwefelsaeureloesungen.
FR7827059A FR2403973A1 (fr) 1977-09-21 1978-09-21 Procede de concentration de solutions aqueuses d'acide sulfurique
GB7837625A GB2004469B (en) 1977-09-21 1978-09-21 Sulphuric acid concentration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2779777A IT1086096B (it) 1977-09-21 1977-09-21 Procedimento per la concentrazione di soluzioni acquose di acido solforico

Publications (1)

Publication Number Publication Date
IT1086096B true IT1086096B (it) 1985-05-28

Family

ID=11222349

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2779777A IT1086096B (it) 1977-09-21 1977-09-21 Procedimento per la concentrazione di soluzioni acquose di acido solforico

Country Status (8)

Country Link
JP (1) JPS5461094A (it)
CH (1) CH638465A5 (it)
DE (1) DE2807380A1 (it)
FR (1) FR2403973A1 (it)
GB (1) GB2004469B (it)
IT (1) IT1086096B (it)
NL (1) NL7809474A (it)
RO (1) RO76235A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH672633A5 (it) * 1987-11-23 1989-12-15 Escher Wyss Ag
DE4403840C2 (de) * 1994-02-08 1997-12-04 Bayer Ag Verfahren zur Rückgewinnung von Schwefelsäure aus metallsulfathaltigen Gebrauchtsäuren
DE4403841C2 (de) * 1994-02-08 1997-12-04 Bayer Ag Verfahren zum Eindampfen von Gebrauchtschwefelsäure
AU709404B2 (en) * 1995-07-24 1999-08-26 Kerr-Mcgee Pigments Gmbh & Co. Kg Process for the recovery of sulphuric acid from spent acids containing metal sulphates
JP4737670B2 (ja) * 2005-03-30 2011-08-03 株式会社ササクラ カルシウム及び硫酸を含む廃水の処理方法及びその装置
WO2008003297A2 (de) * 2006-07-03 2008-01-10 Lailach Guenter Verfahren und anlage zum konzentrieren metallsulfathaltiger schwefelsäure
CN110104617A (zh) * 2019-04-24 2019-08-09 成都先进金属材料产业技术研究院有限公司 利用硫酸铝铵浓缩钛白废酸的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2078088A (en) * 1935-11-22 1937-04-20 Mantius Process of recovering sulphuric acid from sulphuric acid solutions of sulphates
FR1076258A (fr) * 1952-03-25 1954-10-25 C D Patents Ltd Procédé pour la récupération de l'acide sulfurique et des sulfates inorganiques à partir des liqueurs usées diluées
DE957473C (de) * 1953-06-02 1957-02-07 Bayer Ag Verfahren zum Kristallisieren von Stoffen, die mit verschiedenen Mengen Kristallwasser kristallisieren koennen, in kristallwasserfreier oder kristallwasserarmer Form
DE1131193B (de) * 1960-10-14 1962-06-14 Bayer Ag Verfahren zum Einengen und Entsalzen verduennter, salzhaltiger Schwefelsaeure
JPS5314429B2 (it) * 1973-05-11 1978-05-17
FR2328658A1 (fr) * 1975-10-20 1977-05-20 Pechiney Aluminium Perfectionnements a l'epuration de solutions sulfuriques diluees

Also Published As

Publication number Publication date
CH638465A5 (de) 1983-09-30
GB2004469A (en) 1979-04-04
DE2807380C2 (it) 1990-08-09
GB2004469B (en) 1982-07-14
NL7809474A (nl) 1979-03-23
RO76235A (ro) 1981-04-30
FR2403973B1 (it) 1983-01-28
FR2403973A1 (fr) 1979-04-20
JPS5461094A (en) 1979-05-17
JPS6335320B2 (it) 1988-07-14
DE2807380A1 (de) 1979-03-29

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