NL193344C - Werkwijze en inrichting voor de toevoer van aluminiumoxyde of gehalogeniseerde toevoegsels aan een elektrolysevat voor de bereiding van aluminium. - Google Patents

Werkwijze en inrichting voor de toevoer van aluminiumoxyde of gehalogeniseerde toevoegsels aan een elektrolysevat voor de bereiding van aluminium. Download PDF

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Publication number
NL193344C
NL193344C NL8201542A NL8201542A NL193344C NL 193344 C NL193344 C NL 193344C NL 8201542 A NL8201542 A NL 8201542A NL 8201542 A NL8201542 A NL 8201542A NL 193344 C NL193344 C NL 193344C
Authority
NL
Netherlands
Prior art keywords
aluminum oxide
halogenated
dosing
compressed air
opening
Prior art date
Application number
NL8201542A
Other languages
English (en)
Dutch (nl)
Other versions
NL8201542A (nl
NL193344B (nl
Original Assignee
Aluminium Grece
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 FR8107855A external-priority patent/FR2504158B1/fr
Priority claimed from FR8123328A external-priority patent/FR2517705B2/fr
Application filed by Aluminium Grece filed Critical Aluminium Grece
Publication of NL8201542A publication Critical patent/NL8201542A/nl
Publication of NL193344B publication Critical patent/NL193344B/xx
Application granted granted Critical
Publication of NL193344C publication Critical patent/NL193344C/nl

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/14—Devices for feeding or crust breaking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
NL8201542A 1981-04-15 1982-04-13 Werkwijze en inrichting voor de toevoer van aluminiumoxyde of gehalogeniseerde toevoegsels aan een elektrolysevat voor de bereiding van aluminium. NL193344C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8107855 1981-04-15
FR8107855A FR2504158B1 (fr) 1981-04-15 1981-04-15 Procede et appareillage d'alimentation ponctuelle en alumine de cuves d'electrolyse pour la production d'aluminium
FR8123328A FR2517705B2 (fr) 1981-12-08 1981-12-08 Perfectionnement du procede et de l'appareillage d'alimentation ponctuelle de cuves d'electrolyse, et application a l'introduction controlee d'additifs halogenes
FR8123328 1981-12-08

Publications (3)

Publication Number Publication Date
NL8201542A NL8201542A (nl) 1982-11-01
NL193344B NL193344B (nl) 1999-03-01
NL193344C true NL193344C (nl) 1999-07-02

Family

ID=26222341

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8201542A NL193344C (nl) 1981-04-15 1982-04-13 Werkwijze en inrichting voor de toevoer van aluminiumoxyde of gehalogeniseerde toevoegsels aan een elektrolysevat voor de bereiding van aluminium.

Country Status (5)

Country Link
US (1) US4435255A (es)
CA (1) CA1165720A (es)
ES (1) ES511415A0 (es)
GR (1) GR75552B (es)
NL (1) NL193344C (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8514287D0 (en) * 1985-06-06 1985-07-10 Alcan Int Ltd Feeding particulate material
US4938848A (en) * 1989-02-13 1990-07-03 Aluminum Company Of America Method and apparatus for conveying split streams of alumina powder to an electrolysis cell
NO167873C (no) * 1989-07-03 1991-12-18 Norsk Hydro As Punktmater for elektrolyseceller for fremstilling av aluminium.
EP0552152A4 (en) * 1990-10-05 1993-10-27 Portland Smelter Services Pty. Ltd Apparatus for controlled supply of alumina
WO1993014247A1 (en) * 1992-01-10 1993-07-22 Comalco Aluminium Limited Continuous alumina feeder
CA2671136A1 (en) * 2009-07-06 2011-01-06 Alcan International Limited Removable spout for a hopper
CN105200454B (zh) * 2015-07-02 2018-06-29 中电投宁夏能源铝业工程检修有限公司 一种防止吸铝管电击损耗的方法

Also Published As

Publication number Publication date
ES8307927A1 (es) 1983-08-01
ES511415A0 (es) 1983-08-01
CA1165720A (fr) 1984-04-17
NL8201542A (nl) 1982-11-01
NL193344B (nl) 1999-03-01
GR75552B (es) 1984-07-27
US4435255A (en) 1984-03-06

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Lapsed because of reaching the maximum lifetime of a patent

Free format text: 20020413

V4 Lapsed because of reaching the maximum lifetime of a patent

Effective date: 20020413