FR2403973A1 - Procede de concentration de solutions aqueuses d'acide sulfurique - Google Patents

Procede de concentration de solutions aqueuses d'acide sulfurique

Info

Publication number
FR2403973A1
FR2403973A1 FR7827059A FR7827059A FR2403973A1 FR 2403973 A1 FR2403973 A1 FR 2403973A1 FR 7827059 A FR7827059 A FR 7827059A FR 7827059 A FR7827059 A FR 7827059A FR 2403973 A1 FR2403973 A1 FR 2403973A1
Authority
FR
France
Prior art keywords
concentration
sulfuric acid
aqueous solutions
solution
microns
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.)
Granted
Application number
FR7827059A
Other languages
English (en)
French (fr)
Other versions
FR2403973B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Erich Schmoll
Raffaele Ungarelli
Luigi Chiapponi
Eduard Kratz
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.)
Montedison SpA
Original Assignee
Montedison SpA
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 filed Critical Montedison SpA
Publication of FR2403973A1 publication Critical patent/FR2403973A1/fr
Application granted granted Critical
Publication of FR2403973B1 publication Critical patent/FR2403973B1/fr
Granted 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

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)
FR7827059A 1977-09-21 1978-09-21 Procede de concentration de solutions aqueuses d'acide sulfurique Granted FR2403973A1 (fr)

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 (2)

Publication Number Publication Date
FR2403973A1 true FR2403973A1 (fr) 1979-04-20
FR2403973B1 FR2403973B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-01-28

Family

ID=11222349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7827059A Granted FR2403973A1 (fr) 1977-09-21 1978-09-21 Procede de concentration de solutions aqueuses d'acide sulfurique

Country Status (8)

Country Link
JP (1) JPS5461094A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH638465A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2807380A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2403973A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2004469B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1086096B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7809474A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
RO (1) RO76235A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH672633A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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

Citations (5)

* 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
GB941746A (en) * 1960-10-14 1963-11-13 Bayer Ag Process for the concentration and desalting of dilute, saltcontaining sulphuric acid
DE2058525A1 (de) * 1969-12-30 1971-07-08 Daido Chem Eng Corp Verfahren und Geraet zum Regenerieren von verbrauchter Schwefelsaeurebeize

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5314429B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-05-11 1978-05-17
FR2328658A1 (fr) * 1975-10-20 1977-05-20 Pechiney Aluminium Perfectionnements a l'epuration de solutions sulfuriques diluees

Patent Citations (5)

* 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
GB941746A (en) * 1960-10-14 1963-11-13 Bayer Ag Process for the concentration and desalting of dilute, saltcontaining sulphuric acid
DE2058525A1 (de) * 1969-12-30 1971-07-08 Daido Chem Eng Corp Verfahren und Geraet zum Regenerieren von verbrauchter Schwefelsaeurebeize

Also Published As

Publication number Publication date
GB2004469A (en) 1979-04-04
DE2807380A1 (de) 1979-03-29
GB2004469B (en) 1982-07-14
RO76235A (ro) 1981-04-30
FR2403973B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-01-28
NL7809474A (nl) 1979-03-23
JPS5461094A (en) 1979-05-17
DE2807380C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-08-09
IT1086096B (it) 1985-05-28
CH638465A5 (de) 1983-09-30
JPS6335320B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-07-14

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Legal Events

Date Code Title Description
ST Notification of lapse