FI801878A - Avdunstningsanordning foer koncentrering av mineralsyra speciellt svavelsyra - Google Patents

Avdunstningsanordning foer koncentrering av mineralsyra speciellt svavelsyra

Info

Publication number
FI801878A
FI801878A FI801878A FI801878A FI801878A FI 801878 A FI801878 A FI 801878A FI 801878 A FI801878 A FI 801878A FI 801878 A FI801878 A FI 801878A FI 801878 A FI801878 A FI 801878A
Authority
FI
Finland
Prior art keywords
svavelsyra
mineralsyra
koncentrering
avdunstningsanordning
speciellt
Prior art date
Application number
FI801878A
Other languages
English (en)
Other versions
FI67353C (fi
FI67353B (fi
Inventor
Hansruedi Forter
Juergen Groening
Hans L Kuehnlein
Hans Rudolf Kueng
Joachim Maas
Karl-Heinz Schultz
Original Assignee
Bayer Ag
Bertrams 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
Priority claimed from CH551379A external-priority patent/CH641126A5/de
Application filed by Bayer Ag, Bertrams Ag filed Critical Bayer Ag
Publication of FI801878A publication Critical patent/FI801878A/fi
Application granted granted Critical
Publication of FI67353B publication Critical patent/FI67353B/fi
Publication of FI67353C publication Critical patent/FI67353C/fi

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
    • B01D1/0094—Evaporating with forced circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/02—Evaporators with heating coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/30—Accessories for evaporators ; Constructional details thereof
    • 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
    • Y10S159/00—Concentrating evaporators
    • Y10S159/15—Special material
    • 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
    • Y10S159/00—Concentrating evaporators
    • Y10S159/19—Acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FI801878A 1979-06-13 1980-06-11 Indunstningsanordning foer koncentrering av mineralsyra speciellt svavelsyra FI67353C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH551379A CH641126A5 (en) 1979-06-13 1979-06-13 Process and system for regenerating sulphuric acid
CH551379 1979-06-13
DE19803018662 DE3018662A1 (de) 1979-06-13 1980-05-16 Verdampfer zum konzentrieren von mineralsaeure, insbesondere schwefelsaeure
DE3018662 1980-05-16

Publications (3)

Publication Number Publication Date
FI801878A true FI801878A (fi) 1980-12-14
FI67353B FI67353B (fi) 1984-11-30
FI67353C FI67353C (fi) 1985-03-11

Family

ID=25697889

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801878A FI67353C (fi) 1979-06-13 1980-06-11 Indunstningsanordning foer koncentrering av mineralsyra speciellt svavelsyra

Country Status (5)

Country Link
US (1) US4274910A (fi)
EP (1) EP0021210B1 (fi)
CA (1) CA1149722A (fi)
ES (1) ES8103191A1 (fi)
FI (1) FI67353C (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1144497B (it) * 1981-06-12 1986-10-29 Mc Quay Europa Spa Evaportatore ad espansione diretta facilmente pulibile in particolare per refrigerazione d'acqua
CH654282A5 (de) * 1983-02-09 1986-02-14 Bertrams Ag Verfahren und einrichtung zum konzentrieren und reinigen von organische verunreinigungen enthaltender schwefelsaeure.
DE3409719A1 (de) * 1984-03-16 1985-09-19 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von dinitrotoluol
DE3409717C2 (de) * 1984-03-16 1994-03-31 Bayer Ag Verfahren zur Herstellung von Nitrobenzol
WO2012069270A1 (en) 2010-11-22 2012-05-31 Teijin Aramid B.V. Method for increasing the sulfuric acid concentration of a sulfuric acid solution

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854327A (en) * 1927-07-11 1932-04-19 Niagara Electro Chemical Compa Process of making hydrogen peroxide
DE611992C (de) * 1933-04-27 1935-04-12 Ehr Harry Pauling Dipl Ing Dr Verfahren und Vorrichtung zur Konzentration von Abfallschwefelsaeure
DE1233368B (de) * 1962-08-13 1967-02-02 Heraeus Schott Quarzschmelze Verfahren zur kontinuierlichen Destillation von Schwefelsaeure in Apparaturen aus keramischen Werkstoffen
DE2311085A1 (de) * 1973-03-06 1974-09-19 Bayer Ag Trennung von fluessigen aggressiven stoffgemischen
US4014735A (en) * 1973-03-06 1977-03-29 Hch. Bertrams Aktiengesellschaft Concentration and separation of corrosive liquid mixtures
JPS5237662U (fi) * 1975-09-10 1977-03-17

Also Published As

Publication number Publication date
EP0021210A1 (de) 1981-01-07
CA1149722A (en) 1983-07-12
FI67353C (fi) 1985-03-11
ES492363A0 (es) 1981-02-16
ES8103191A1 (es) 1981-02-16
EP0021210B1 (de) 1983-07-13
FI67353B (fi) 1984-11-30
US4274910A (en) 1981-06-23

Similar Documents

Publication Publication Date Title
FI65323B (fi) Foerfarande foer minskning av nox-straolning
FI64188B (fi) Foerfarande foer selektiv lakning av nickel-kopparskaersten
FI791512A (fi) Foerfarande foer foam-skin isolering av telefontraodar
FI791513A (fi) Foerfarande foer snabb reglering av telefontraodars skumplastisoleringsprocess
FI791059A (fi) Foerfarande foer framstaellning av en haeftplastprodukt
FI790162A (fi) Jordbearbetningsanordning foer bearbetning av skogsmark
FI792995A (fi) Framstaellning av kefalosporiner
FI793089A (fi) Torrfoderautomat foer utfodring av paelsdjur
FI792426A (fi) Foerfarande foer framstaellning av karbostyrilderivat
FI792674A (fi) Foerfarande foer fininstaellning av vaexelstroemshiss
FI792723A (fi) Tillverkningsmetod av aluminium- eller staolbaot
FI791627A (fi) Laosnings- och avfyrningsanordning av bogserkrok
FI791707A (fi) Anordning foer oeppenhaollande av traolets mynning
FI792377A (fi) Vattenregleringsanordning av flottoertyp
FI790560A (fi) Luftrensare av regenerationstypen
FI790579A (fi) Anordning foer hopsamling av olja fraon vattenyta
FI790765A (fi) Reaktor foer utveckling av metan
FI791015A (fi) Foerfarande foer framstaellning av kokvaetska
FI791144A (fi) Foerfarande foer framstaellning av pyrimidonderivat
FI791238A (fi) Foerfarande foer framstaellning av aminosyra
FI791566A (fi) Anordning foer utjaemning av sidorna av en saogvirkesmatta
FI791608A (fi) Anordning foer maetning av en skenas foerslitning
FI791628A (fi) Anordning foer rengoering av vaegar
FI790492A (fi) Anordning foer tillvaratagande av avgasenergi
FI791779A (fi) Foerfarande foer framstaellning av fyllmedelsuspension

Legal Events

Date Code Title Description
MA Patent expired

Owner name: BAYER AKTIENGESELLSCHAFT

Owner name: BERTRAMS AKTIENGESELLSCHAFT