AU5565790A - Aluminium oxide tubes and process for manufacturing them - Google Patents

Aluminium oxide tubes and process for manufacturing them

Info

Publication number
AU5565790A
AU5565790A AU55657/90A AU5565790A AU5565790A AU 5565790 A AU5565790 A AU 5565790A AU 55657/90 A AU55657/90 A AU 55657/90A AU 5565790 A AU5565790 A AU 5565790A AU 5565790 A AU5565790 A AU 5565790A
Authority
AU
Australia
Prior art keywords
manufacturing
aluminium oxide
oxide tubes
tubes
aluminium
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
AU55657/90A
Other versions
AU639926B2 (en
Inventor
Gunter Adash
Gunter Frankfurter
Reinhard Manner
Ulf Plocker
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.)
Ceramtec GmbH
Evonik Operations GmbH
Original Assignee
Hoechst Ceram AG
Ceramtec GmbH
Degussa GmbH
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 Hoechst Ceram AG, Ceramtec GmbH, Degussa GmbH filed Critical Hoechst Ceram AG
Publication of AU5565790A publication Critical patent/AU5565790A/en
Application granted granted Critical
Publication of AU639926B2 publication Critical patent/AU639926B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/92—Methods or apparatus for treating or reshaping
    • B28B21/98—Methods or apparatus for treating or reshaping for reshaping, e.g. by means of reshape moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4338—Mixers with a succession of converging-diverging cross-sections, i.e. undulating cross-section
    • 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
    • B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
    • B01J12/007—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor in the presence of catalytically active bodies, e.g. porous plates
    • 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
    • B01J19/0053—Details of the reactor
    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2425—Tubular reactors in parallel
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/02—Preparation, separation or purification of hydrogen cyanide
    • C01C3/0208—Preparation in gaseous phase
    • C01C3/0229—Preparation in gaseous phase from hydrocarbons and ammonia in the absence of oxygen, e.g. HMA-process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
AU55657/90A 1989-05-11 1990-05-05 Aluminium oxide tubes and process for manufacturing them Ceased AU639926B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3915428A DE3915428A1 (en) 1989-05-11 1989-05-11 ALUMINUM OXIDE TUBES AND METHOD FOR THEIR PRODUCTION
DE3915428 1989-05-11

Publications (2)

Publication Number Publication Date
AU5565790A true AU5565790A (en) 1990-11-29
AU639926B2 AU639926B2 (en) 1993-08-12

Family

ID=6380468

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55657/90A Ceased AU639926B2 (en) 1989-05-11 1990-05-05 Aluminium oxide tubes and process for manufacturing them

Country Status (7)

Country Link
EP (1) EP0471714B1 (en)
JP (1) JPH0626805B2 (en)
AU (1) AU639926B2 (en)
BR (1) BR9007360A (en)
DE (2) DE3915428A1 (en)
ES (1) ES2048490T3 (en)
WO (1) WO1990013405A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4128202A1 (en) * 1991-08-26 1993-03-04 Hoechst Ceram Tec Ag Sintered alumina reaction tube - with internal spiral rib, esp. for high temp. hydrogen cyanide synthesis
DE4128201A1 (en) * 1991-08-26 1993-03-04 Hoechst Ceram Tec Ag Sintered alumina reaction tube - contg. spiral insert, esp. for high temp. hydrogen cyanide synthesis
DE10025356A1 (en) * 2000-05-23 2001-11-29 Gewerk Keramchemie Hard rubber coatings for corrosion protection
WO2014167506A1 (en) * 2013-04-10 2014-10-16 Council Of Scientific & Industrial Research Flow reactor with pinched pipe sections for mixing and heat transfer
EP2813286A1 (en) 2013-06-11 2014-12-17 Evonik Industries AG Reaction tube and method for the production of hydrogen cyanide
US10441942B2 (en) 2013-10-11 2019-10-15 Evonik Degussa, GmbH Reaction tube and method for producing hydrogen cyanide
EP3301075A1 (en) 2016-09-28 2018-04-04 Evonik Degussa GmbH Method for producing hydrogen cyanide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1150246A (en) * 1955-05-27 1958-01-09 Improvements in apparatus for manufacturing tubular bodies exhibiting constriction
FR1425435A (en) * 1964-12-07 1966-01-24 Rhone Poulenc Sa Variable orifice extrusion die
US3708253A (en) * 1970-09-01 1973-01-02 J Lemelson Extrusion apparatus
FR2503615B1 (en) * 1978-11-27 1985-10-11 Commissariat Energie Atomique METHOD FOR MANUFACTURING CERAMIC CYLINDRICAL TUBES HAVING LOCALIZED FOOTPRINTS AND DEVICE FOR CARRYING OUT SAID METHOD
EP0097750A3 (en) * 1982-06-30 1984-05-09 COMMISSARIAT A L'ENERGIE ATOMIQUE Etablissement de Caractère Scientifique Technique et Industriel Method and apparatus for forming impressions on ceramic tubes

Also Published As

Publication number Publication date
BR9007360A (en) 1992-04-28
DE3915428A1 (en) 1990-11-15
EP0471714B1 (en) 1993-12-15
EP0471714A1 (en) 1992-02-26
WO1990013405A1 (en) 1990-11-15
AU639926B2 (en) 1993-08-12
DE59003906D1 (en) 1994-01-27
JPH0626805B2 (en) 1994-04-13
JPH04505134A (en) 1992-09-10
ES2048490T3 (en) 1994-03-16

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