NO940897D0 - An. av plastiske mat. og stöpemat. samt sveisetilsatsmat. for bygningsdeler som kommer i kontakt med varm, konsentr. svovelsyre el. oleum, fremgm. for fremst. av svovelsyre samt fremgm. for konsentrering og rensing av svovelsyre - Google Patents

An. av plastiske mat. og stöpemat. samt sveisetilsatsmat. for bygningsdeler som kommer i kontakt med varm, konsentr. svovelsyre el. oleum, fremgm. for fremst. av svovelsyre samt fremgm. for konsentrering og rensing av svovelsyre

Info

Publication number
NO940897D0
NO940897D0 NO940897A NO940897A NO940897D0 NO 940897 D0 NO940897 D0 NO 940897D0 NO 940897 A NO940897 A NO 940897A NO 940897 A NO940897 A NO 940897A NO 940897 D0 NO940897 D0 NO 940897D0
Authority
NO
Norway
Prior art keywords
sulfuric acid
food
oleum
advgm
foremost
Prior art date
Application number
NO940897A
Other languages
English (en)
Other versions
NO940897L (no
Inventor
Helmut Diekmann
Gunter Lailach
Stylianos Savakis
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of NO940897D0 publication Critical patent/NO940897D0/no
Publication of NO940897L publication Critical patent/NO940897L/no

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
    • C01B17/74—Preparation
    • C01B17/76—Preparation by contact processes
    • C01B17/80—Apparatus
    • C01B17/806—Absorbers; Heat exchangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/02—Apparatus characterised by their chemically-resistant properties
    • B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
    • B01J2219/0277—Metal based

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Heat Treatment Of Steel (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Mold Materials And Core Materials (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Food-Manufacturing Devices (AREA)
NO940897A 1993-03-15 1994-03-14 An. av plastiske mat. og stöpemat. samt sveisetilsatsmat. for bygningsdeler som kommer i kontakt med varm, konsentr. svovelsyre el. oleum, fremgm. for fremst. av svovelsyre samt fremgm. for konsentrering og rensing av svovelsyre NO940897L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4308151A DE4308151C2 (de) 1993-03-15 1993-03-15 Verwendung von Knet- und Gußwerkstoffen sowie Schweißzusatzwerkstoffen aus austenitischem Stahl für mit heißer konzentrierter Schwefelsäure oder Oleum beaufschlagte Bauteile

Publications (2)

Publication Number Publication Date
NO940897D0 true NO940897D0 (no) 1994-03-14
NO940897L NO940897L (no) 1994-09-16

Family

ID=6482816

Family Applications (1)

Application Number Title Priority Date Filing Date
NO940897A NO940897L (no) 1993-03-15 1994-03-14 An. av plastiske mat. og stöpemat. samt sveisetilsatsmat. for bygningsdeler som kommer i kontakt med varm, konsentr. svovelsyre el. oleum, fremgm. for fremst. av svovelsyre samt fremgm. for konsentrering og rensing av svovelsyre

Country Status (6)

Country Link
EP (1) EP0615950B1 (no)
JP (1) JPH0711393A (no)
AT (1) ATE159002T1 (no)
CA (1) CA2118830A1 (no)
DE (2) DE4308151C2 (no)
NO (1) NO940897L (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719394C1 (de) * 1997-05-07 1999-01-07 Bayer Ag Verfahren zum Konzentrieren oder Reinigen von Schwefelsäure
DE19807632A1 (de) * 1998-02-23 1999-09-02 Bayer Ag Vorrichtung zum Konzentrieren und Reinigen von Schwefelsäure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5591960A (en) * 1978-12-28 1980-07-11 Sumitomo Chem Co Ltd High silicon-nickel-chromium steel with resistance to concentrated
CA1181569A (en) * 1982-06-11 1985-01-29 Frank Smith Apparatus and process
US4576813A (en) * 1983-07-05 1986-03-18 Monsanto Company Heat recovery from concentrated sulfuric acid
DE3901028A1 (de) * 1989-01-14 1990-07-19 Bayer Ag Nichtrostende knet- und gusswerkstoffe sowie schweisszusatzwerkstoffe fuer mit heisser, konzentrierter schwefelsaeure beaufschlagte bauteile
US5118490A (en) * 1989-06-21 1992-06-02 Monsanto Company Absorption of wet conversion gas
JP2634299B2 (ja) * 1990-05-23 1997-07-23 三菱重工業株式会社 高温、高濃度硫酸用Ｐｄ添加ステンレス鋼
DE4118437A1 (de) * 1991-06-05 1992-12-10 I P Bardin Central Research In Hochsiliziumhaltiger, korrosionsbestaendiger, austenitischer stahl
DE4213325A1 (de) * 1992-04-23 1993-10-28 Bayer Ag Verwendung von Knet- und Gußwerkstoffen sowie Schweißzusatzwerkstoffen für mit heißer konzentrierter Schwefelsäure oder Oleum beaufschlagte Bauteile sowie Verfahren zur Herstellung von Schwefelsäure

Also Published As

Publication number Publication date
NO940897L (no) 1994-09-16
ATE159002T1 (de) 1997-10-15
DE4308151A1 (de) 1994-09-22
EP0615950A1 (de) 1994-09-21
CA2118830A1 (en) 1994-09-16
DE4308151C2 (de) 1995-01-19
JPH0711393A (ja) 1995-01-13
EP0615950B1 (de) 1997-10-08
DE59404239D1 (de) 1997-11-13

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