RU93033695A - METHOD FOR PROCESSING METAL SLAGS FOR EXTRACTION OF THE LAST - Google Patents

METHOD FOR PROCESSING METAL SLAGS FOR EXTRACTION OF THE LAST

Info

Publication number
RU93033695A
RU93033695A RU93033695/02A RU93033695A RU93033695A RU 93033695 A RU93033695 A RU 93033695A RU 93033695/02 A RU93033695/02 A RU 93033695/02A RU 93033695 A RU93033695 A RU 93033695A RU 93033695 A RU93033695 A RU 93033695A
Authority
RU
Russia
Prior art keywords
furnace
slag
extraction
aluminum
slags
Prior art date
Application number
RU93033695/02A
Other languages
Russian (ru)
Other versions
RU2085601C1 (en
Inventor
Г.Драут Мичел
Original Assignee
Хайдро Квебек
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 CA 2030727 external-priority patent/CA2030727C/en
Application filed by Хайдро Квебек filed Critical Хайдро Квебек
Publication of RU93033695A publication Critical patent/RU93033695A/en
Application granted granted Critical
Publication of RU2085601C1 publication Critical patent/RU2085601C1/en

Links

Claims (1)

Целью настоящего изобретения является создание улучшенного способа извлечения металлов, в частности алюминия, из содержащих их шлаков, который не требует внесения шлакообразующих солей и значительно более безопасный, чем существующие способы, в частности способы, использующие плазменную горелку для подогрева обрабатываемых шлаков. В предлагаемом способе обрабатываемые шлаки вводятся во вращающуюся или в качающуюся печь. Введенные таким образом шлаки подогреваются до температуры, превышающей температуру плавления алюминия, а печь при этом вращается или качается для облегчения отделения металла. Отделенный таким образом алюминий выводится из печи перед удалением оставшихся шлаков. Этот способ отличается тем, что в качестве печи используют печь с излучающей дугой, содержащей два разноименных электрода, выполненные, предпочтительно, из графита, между которыми образуется электрическая дуга и поддерживается для обеспечения нагрева.The aim of the present invention is to provide an improved method for the extraction of metals, in particular aluminum, from slags containing them, which does not require the addition of slag-forming salts and is much safer than existing methods, in particular methods using a plasma torch to heat the treated slag. In the proposed method, the processed slag is introduced into a rotary or into a swinging furnace. The slags introduced in this way are heated to a temperature higher than the melting point of aluminum, while the furnace rotates or swings to facilitate the separation of the metal. The aluminum thus separated is removed from the furnace before the remaining slag is removed. This method is characterized in that a furnace with a radiating arc containing two opposite electrodes, preferably made of graphite, between which an electric arc is formed and maintained to provide heating, is used as a furnace.
RU93033695A 1990-11-23 1991-10-25 Method of isolation of metals from alloys RU2085601C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA2030727 1990-11-23
CA 2030727 CA2030727C (en) 1990-11-23 1990-11-23 Rotary arc furnace for treating aluminum dross
PCT/CA1991/000387 WO1992009708A1 (en) 1990-11-23 1991-10-25 Slag processing in a rotary arc furnace

Publications (2)

Publication Number Publication Date
RU93033695A true RU93033695A (en) 1996-09-27
RU2085601C1 RU2085601C1 (en) 1997-07-27

Family

ID=4146517

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93033695A RU2085601C1 (en) 1990-11-23 1991-10-25 Method of isolation of metals from alloys

Country Status (12)

Country Link
US (1) US5245627A (en)
EP (1) EP0558510B1 (en)
JP (1) JP2638681B2 (en)
AT (1) ATE123535T1 (en)
AU (1) AU649288B2 (en)
BR (1) BR9106999A (en)
CA (1) CA2030727C (en)
DE (1) DE69110298T2 (en)
DK (1) DK0558510T3 (en)
ES (1) ES2075471T3 (en)
RU (1) RU2085601C1 (en)
WO (1) WO1992009708A1 (en)

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DK0627014T4 (en) * 1992-02-25 2004-10-25 Aga Ab Recycling of non-ferrous metals from slag
ATA100393A (en) * 1993-05-24 1995-03-15 Kos Bernd Dipl Ing Dr METHOD FOR OBTAINING THE METALLIC PHASE FROM DISPERSE MIXTURES OF LIGHT METALS AND NON-METAL COMPONENTS
FR2706910A1 (en) * 1993-06-21 1994-12-30 Affimet Process for the recovery of the aluminium present in waste by remelting
NL9401087A (en) 1994-06-29 1996-02-01 Hoogovens Groep Bv Fireproof construction.
US5470376A (en) * 1994-07-15 1995-11-28 Alcan International Limited Recovery of non-ferrous metals from dross
US5808267A (en) * 1995-01-09 1998-09-15 Eckhoff; Paul S. Plasma gun with gas distribution plug
US5798496A (en) * 1995-01-09 1998-08-25 Eckhoff; Paul S. Plasma-based waste disposal system
US5599379A (en) * 1995-03-29 1997-02-04 Spoel; Han Apparatus and method for recovering non-ferrous metals from hot dross
JPH0949616A (en) * 1995-08-10 1997-02-18 Ngk Insulators Ltd Waste melting furnace and waste melting method
ES2144896B1 (en) * 1996-03-28 2001-02-01 Iberdrola Sa ALUMINUM RECOVERY PROCEDURE FROM ALUMINUM ESCORIES.
CA2251099C (en) * 1996-04-15 2007-03-20 Pyrogenesis Inc. Recovery of metal from dross
GB2327683B (en) * 1997-07-24 2001-01-17 Mcintyre J Improvements in or relating to dross presses
BRPI0403000B1 (en) * 2004-07-19 2017-04-18 Antonio Carlos Da Cruz process and equipment for treating cargo or waste non-ferrous metals and their alloys
JP5521262B2 (en) * 2006-12-01 2014-06-11 株式会社デンソー Melting and holding furnace
DE102007048962A1 (en) * 2007-10-12 2009-04-16 Sms Demag Ag electric oven
CA2842587C (en) 2013-02-12 2018-09-04 9255-8444 QUEBEC INC. dba METKEM INNOVATION Method for the production and the purification of molten calcium aluminate using contaminated aluminum dross residue
GB201311344D0 (en) * 2013-06-26 2013-08-14 Taha Internat S A R L Aluminium dross processing

Family Cites Families (11)

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US3102154A (en) * 1958-12-16 1963-08-27 Shaw Process Dev Corp Electric arc furnaces
US3917241A (en) * 1973-01-15 1975-11-04 Lectromelt Corp Molten metal holding furnace system
US3795752A (en) * 1973-04-25 1974-03-05 Soudure Electr Aatogene Electric furnace
BE806181A (en) * 1973-10-17 1974-02-15 Soudure Autogene Elect PROCESS FOR PRIMING A COLUMN OF PLASMA INSIDE AN ENCLOSURE AND ROD-ELECTRODE FOR THE EXECUTION OF THE SAID PROCESS
CA1055553A (en) * 1975-04-16 1979-05-29 Tibur Metals Ltd. Extended arc furnace and process for melting particulate charge therein
US4217462B1 (en) * 1978-05-09 1996-04-09 Minco Inc Rotary furnace for the fusion of mineral bearing substances apparatus and method
US4320098A (en) * 1979-03-29 1982-03-16 Imperial West Chemical Company Aluminum sulfate manufacture from aluminum dross tailings
JPS5948656A (en) * 1982-09-13 1984-03-19 Toshiba Corp Apparatus for analysis of gas in containing vessel of nuclear reactor
DE3629055A1 (en) * 1986-08-27 1988-03-03 Kloeckner Cra Tech METHOD FOR INCREASING ENERGY IN ELECTRIC ARC FURNACES
US4959100A (en) * 1987-12-22 1990-09-25 Alcan International Limited Recovery of non-ferrous metals from dross
CA1255914A (en) * 1987-12-22 1989-06-20 Ghyslain Dube Recovery of non-ferrous metals from dross

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