GB1187771A - Protection of Metal Equipment for Use in Chemical Plant by Coatings formed by Anodising - Google Patents

Protection of Metal Equipment for Use in Chemical Plant by Coatings formed by Anodising

Info

Publication number
GB1187771A
GB1187771A GB1921566A GB1921566A GB1187771A GB 1187771 A GB1187771 A GB 1187771A GB 1921566 A GB1921566 A GB 1921566A GB 1921566 A GB1921566 A GB 1921566A GB 1187771 A GB1187771 A GB 1187771A
Authority
GB
United Kingdom
Prior art keywords
hydrogen
anodising
chemical plant
protection
coatings formed
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.)
Expired
Application number
GB1921566A
Inventor
John Grahame Hines
Joseph Bernard Cotton
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB1921566A priority Critical patent/GB1187771A/en
Priority to DE19671621472 priority patent/DE1621472B2/en
Priority to NL6706085A priority patent/NL6706085A/xx
Priority to FR104856A priority patent/FR1521286A/en
Priority to JP2778967A priority patent/JPS525454B1/ja
Publication of GB1187771A publication Critical patent/GB1187771A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/005—Apparatus specially adapted for electrolytic conversion coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/26—Anodisation of refractory metals or alloys based thereon
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Arc Welding In General (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)

Abstract

1,187,771. Hydrogen-resisting plant. IMPERIAL CHEMICAL INDUSTRIES Ltd. 11 April, 1967 [2 May, 1966], No. 19215/66. Heading B1X. [Also in Division C7] Chemical plant used in a process which involves the presence of hydrogen or the formation of hydrogen by corrosive action such as the production of urea, vinyl acetate, phenol, or terephthalic acid, is characterised in that equipment exposed to the hydrogen is made of Ti, Zr, Nb or Ta or an alloy of one or more of these having corrosion characteristics comparable with those of the metals themselves and at least part, and preferably the whole, of the surface of which is anodised. Preferably the protective anodic film is of thickness 200 to 4000A, typically 2000 to 3000A and as described the film is an oxide and the metal oxidised contains less than 0.1% of iron and other base metals. Examples are given of anodising a cylindrical pressure vessel with end domes, a tube, all of Ti, and a Ti tube plate heat exchanger (see Division C7).
GB1921566A 1966-05-02 1966-05-02 Protection of Metal Equipment for Use in Chemical Plant by Coatings formed by Anodising Expired GB1187771A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1921566A GB1187771A (en) 1966-05-02 1966-05-02 Protection of Metal Equipment for Use in Chemical Plant by Coatings formed by Anodising
DE19671621472 DE1621472B2 (en) 1966-05-02 1967-04-27 USE OF DEVICES WITH ANODIC LAYER IN CHEMICAL PLANTS
NL6706085A NL6706085A (en) 1966-05-02 1967-04-28
FR104856A FR1521286A (en) 1966-05-02 1967-05-02 Protection of certain metals against deterioration during their use in a chemical treatment plant
JP2778967A JPS525454B1 (en) 1966-05-02 1967-05-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1921566A GB1187771A (en) 1966-05-02 1966-05-02 Protection of Metal Equipment for Use in Chemical Plant by Coatings formed by Anodising

Publications (1)

Publication Number Publication Date
GB1187771A true GB1187771A (en) 1970-04-15

Family

ID=10125647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1921566A Expired GB1187771A (en) 1966-05-02 1966-05-02 Protection of Metal Equipment for Use in Chemical Plant by Coatings formed by Anodising

Country Status (3)

Country Link
DE (1) DE1621472B2 (en)
GB (1) GB1187771A (en)
NL (1) NL6706085A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577098A1 (en) * 1992-06-30 1994-01-05 Phillips Petroleum Company Process for the preparation of poly(arylene sulfide) with low metal contamination and polymer produced

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0577098A1 (en) * 1992-06-30 1994-01-05 Phillips Petroleum Company Process for the preparation of poly(arylene sulfide) with low metal contamination and polymer produced

Also Published As

Publication number Publication date
NL6706085A (en) 1967-11-03
DE1621472A1 (en) 1971-08-26
DE1621472B2 (en) 1971-08-26

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE Patent expired