IT1121991B - Metodo per produrre leghe di metallo refrattario e metallo nobile nonche'leghe e catalizzatori cosi'ottenuti - Google Patents

Metodo per produrre leghe di metallo refrattario e metallo nobile nonche'leghe e catalizzatori cosi'ottenuti

Info

Publication number
IT1121991B
IT1121991B IT24031/79A IT2403179A IT1121991B IT 1121991 B IT1121991 B IT 1121991B IT 24031/79 A IT24031/79 A IT 24031/79A IT 2403179 A IT2403179 A IT 2403179A IT 1121991 B IT1121991 B IT 1121991B
Authority
IT
Italy
Prior art keywords
catalysts
objects
well
metal
noble metal
Prior art date
Application number
IT24031/79A
Other languages
English (en)
Other versions
IT7924031A0 (it
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of IT7924031A0 publication Critical patent/IT7924031A0/it
Application granted granted Critical
Publication of IT1121991B publication Critical patent/IT1121991B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/928—Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
    • H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
    • H01M2004/8684—Negative electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
    • H01M2004/8689—Positive electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0002—Aqueous electrolytes
    • H01M2300/0005—Acid electrolytes
    • H01M2300/0008—Phosphoric acid-based
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/921—Alloys or mixtures with metallic elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Inert Electrodes (AREA)
IT24031/79A 1978-07-03 1979-07-02 Metodo per produrre leghe di metallo refrattario e metallo nobile nonche'leghe e catalizzatori cosi'ottenuti IT1121991B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/922,004 US4186110A (en) 1978-07-03 1978-07-03 Noble metal-refractory metal alloys as catalysts and method for making

Publications (2)

Publication Number Publication Date
IT7924031A0 IT7924031A0 (it) 1979-07-02
IT1121991B true IT1121991B (it) 1986-04-23

Family

ID=25446324

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24031/79A IT1121991B (it) 1978-07-03 1979-07-02 Metodo per produrre leghe di metallo refrattario e metallo nobile nonche'leghe e catalizzatori cosi'ottenuti

Country Status (16)

Country Link
US (1) US4186110A (it)
JP (1) JPS5916495B2 (it)
AU (1) AU527322B2 (it)
BE (1) BE877414A (it)
BR (1) BR7904198A (it)
CA (1) CA1123417A (it)
CH (1) CH645037A5 (it)
DE (1) DE2926615A1 (it)
DK (1) DK150707C (it)
EG (1) EG13886A (it)
FR (1) FR2430264A1 (it)
GB (1) GB2024868B (it)
IL (1) IL57702A (it)
IT (1) IT1121991B (it)
NL (1) NL7905122A (it)
SE (1) SE445611B (it)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316944A (en) * 1980-06-18 1982-02-23 United Technologies Corporation Noble metal-chromium alloy catalysts and electrochemical cell
US4437926A (en) 1980-07-07 1984-03-20 Regie Nationale Des Usines Renault Metal alloy with high catalytic activity
US4383940A (en) * 1980-12-05 1983-05-17 Phillips Petroleum Company Catalysts for hydrogenation of unsaturated dinitriles
US4822699A (en) * 1982-12-20 1989-04-18 Engelhard Corporation Electrocatalyst and fuel cell electrode using the same
US4457986A (en) * 1982-12-30 1984-07-03 International Business Machines Corporation Use of underpotential deposited layers of metals on foreign metal substrates as catalysts for electrolytic cells
US4447506A (en) * 1983-01-17 1984-05-08 United Technologies Corporation Ternary fuel cell catalysts containing platinum, cobalt and chromium
US5079107A (en) * 1984-06-07 1992-01-07 Giner, Inc. Cathode alloy electrocatalysts
JPS62163746A (ja) * 1986-01-13 1987-07-20 Nippon Engeruharudo Kk 白金合金電極触媒およびそれを使用した酸電解質燃料電池用電極
JPS62269751A (ja) * 1986-05-16 1987-11-24 Nippon Engeruharudo Kk 白金−銅合金電極触媒およびそれを使用した酸電解質燃料電池用電極
JP2977199B2 (ja) * 1988-01-22 1999-11-10 田中貴金属工業株式会社 電極触媒
US5246791A (en) * 1988-07-06 1993-09-21 Johnson Matthey Public Limited Company Fuel cell containing a reforming catalyst
US4937220A (en) * 1988-08-08 1990-06-26 International Fuel Cells Corporation Method to retard catalyst recrystallization
CA2016517C (en) * 1989-05-11 1999-01-12 Dale R. Shackle Solid state electrochemical cell having microroughened current collector
US5068161A (en) * 1990-03-30 1991-11-26 Johnson Matthey Public Limited Company Catalyst material
US5126216A (en) * 1990-11-27 1992-06-30 Universite Du Quebec A Montreal Ternary alloy electrocatalysts
US5183713A (en) * 1991-01-17 1993-02-02 International Fuel Cells Corporation Carbon monoxide tolerant platinum-tantalum alloyed catalyst
DE19517598C1 (de) * 1995-05-13 1997-01-02 Degussa Platin-Aluminium-Legierungskatalysator und dessen Verwendung in Brennstoffzellen
JP3903598B2 (ja) * 1997-09-24 2007-04-11 トヨタ自動車株式会社 排ガス浄化用触媒およびその製造方法
US6297185B1 (en) * 1998-02-23 2001-10-02 T/J Technologies, Inc. Catalyst
US6417133B1 (en) 1998-02-25 2002-07-09 Monsanto Technology Llc Deeply reduced oxidation catalyst and its use for catalyzing liquid phase oxidation reactions
US6284402B1 (en) * 1998-06-05 2001-09-04 The Penn State Research Foundation Electrocatalyst compositions
US6239065B1 (en) * 1998-12-22 2001-05-29 Hydro-Quebec Process for the preparation of a supported catalyst
US7015351B2 (en) * 2000-05-22 2006-03-21 Monsanto Technology Llc Reaction systems for making N-(phosphonomethyl) glycine compounds
JP3783530B2 (ja) * 2000-06-22 2006-06-07 ヤマハ株式会社 光酸化触媒
DE10059743A1 (de) * 2000-12-01 2002-06-20 Rolf Hempelmann Verfahren zur Katalysatorabscheidung
EP1236509A1 (en) * 2001-02-23 2002-09-04 Degussa Aktiengesellschaft Catalytic precious metal-treated carbon black
ATE309861T1 (de) * 2001-02-23 2005-12-15 Umicore Ag & Co Kg Verfahren zur herstellung einer elektrokatalytischen verbindung
JP2008100227A (ja) * 2001-06-01 2008-05-01 Sony Corp 導電性触媒粒子及びその製造方法、ガス拡散性触媒電極及び電気化学デバイス
US6670300B2 (en) 2001-06-18 2003-12-30 Battelle Memorial Institute Textured catalysts, methods of making textured catalysts, and methods of catalyzing reactions conducted in hydrothermal conditions
JP4963147B2 (ja) * 2001-09-17 2012-06-27 株式会社豊田中央研究所 燃料電池用電極触媒体およびその製造方法
US20070054802A1 (en) * 2003-05-27 2007-03-08 Symyx Technolgies, Inc. Platinum-vanadium-iron fuel cell electrocatalyst
WO2005024982A2 (en) * 2003-08-18 2005-03-17 Symyx Technologies, Inc. Platinum-copper fuel cell catalyst
JP4463522B2 (ja) * 2003-10-16 2010-05-19 日揮触媒化成株式会社 電極の触媒用微粒子および該電極触媒用微粒子分散液、該電極触媒用微粒子分散液の製造方法
JPWO2005120703A1 (ja) * 2004-06-10 2008-04-03 住友電気工業株式会社 金属触媒とその製造方法
WO2006031938A2 (en) * 2004-09-15 2006-03-23 Monsanto Technology Llc Oxidation catalyst and its use for catalyzing liquid phase oxidation reactions
US7736790B2 (en) 2004-12-06 2010-06-15 Honda Motor Co., Ltd. Platinum and tungsten containing electrocatalysts
US7718309B2 (en) 2004-12-06 2010-05-18 Honda Motor Co., Ltd. Platinum and tungsten containing electrocatalysts
US20070037696A1 (en) * 2005-01-24 2007-02-15 Symyx Technologies, Inc. Platinum-palladium-titanium fuel cell catalyst
US20080044719A1 (en) * 2005-02-02 2008-02-21 Symyx Technologies, Inc. Platinum-copper-titanium fuel cell catalyst
US7732080B2 (en) * 2005-04-25 2010-06-08 Uchicago Argonne, Llc Catalytic membranes for CO oxidation in fuel cells
US7435504B2 (en) * 2005-08-25 2008-10-14 Honda Motor Co., Ltd. Platinum, tungsten, and nickel or zirconium containing electrocatalysts
KR100757585B1 (ko) * 2005-12-12 2007-09-10 현대자동차주식회사 고분산 백금 담지 촉매의 제조방법
US7740975B2 (en) * 2006-01-06 2010-06-22 Honda Motor Co., Ltd. Platinum and titanium containing electrocatalysts
US7318977B2 (en) * 2006-01-06 2008-01-15 Honda Motor Co., Ltd. Platinum and titanium containing electrocatalysts
US7691522B2 (en) * 2006-03-09 2010-04-06 Honda Motor Co., Ltd. Platinum, titanium and copper, manganese and iron containing electrocatalysts
US7704628B2 (en) * 2006-05-08 2010-04-27 Honda Motor Co., Ltd. Platinum, titanium, cobalt and palladium containing electrocatalysts
US20070160899A1 (en) * 2006-01-10 2007-07-12 Cabot Corporation Alloy catalyst compositions and processes for making and using same
KR100738062B1 (ko) * 2006-05-16 2007-07-10 삼성에스디아이 주식회사 막 전극 접합체 및 이를 이용한 연료전지
KR100846478B1 (ko) * 2006-05-16 2008-07-17 삼성에스디아이 주식회사 담지 촉매, 그 제조방법 및 이를 이용한 연료전지
US7842639B2 (en) * 2006-05-19 2010-11-30 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Mechanical alloying of a hydrogenation catalyst used for the remediation of contaminated compounds
KR101350865B1 (ko) * 2006-07-24 2014-01-13 주식회사 동진쎄미켐 연료전지용 담지 촉매 및 그 제조방법, 상기 담지 촉매를포함하는 연료전지용 전극, 상기 전극을 포함하는 막전극접합체 및 상기 막전극 접합체를 포함하는 연료전지
KR101149408B1 (ko) * 2006-11-15 2012-06-01 삼성전자주식회사 연료 전지용 전극의 제조 방법 및 제조 장치
US8383293B2 (en) * 2006-11-22 2013-02-26 GM Global Technology Operations LLC Supports for fuel cell catalysts based on transition metal silicides
KR101397020B1 (ko) * 2007-11-20 2014-05-21 삼성에스디아이 주식회사 연료전지용 전극촉매, 그 제조방법, 상기 전극촉매를포함하는 전극을 구비한 연료전지
KR20100116623A (ko) * 2008-02-19 2010-11-01 캐보트 코포레이션 메조기공성 탄소 블랙 및 그의 제조 방법
US9017837B2 (en) 2008-02-19 2015-04-28 Cabot Corporation High surface area graphitized carbon and processes for making same
US8252953B2 (en) 2008-05-01 2012-08-28 Monsanto Technology Llc Metal utilization in supported, metal-containing catalysts
JP2016506019A (ja) 2012-11-21 2016-02-25 ダンマークス テクニスク ユニバーシテット 燃料電池電極として好適な白金およびパラジウム合金
US9359681B1 (en) * 2013-03-11 2016-06-07 Alexey Serov CO2 electroreduction on metals and metal alloys prepared by a sacrificial support-based method

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2384501A (en) * 1942-02-02 1945-09-11 American Platinum Works Platinum metal catalysts and the manufacture thereof
LU28048A1 (it) * 1942-02-07
US3085876A (en) * 1960-03-01 1963-04-16 Du Pont Process for dispersing a refractory metal oxide in another metal
US3428490A (en) * 1962-08-29 1969-02-18 Sun Oil Co Noble metal aluminum alloys as catalysts for fuel cell electrodes
DE1287051B (de) * 1962-09-07 1969-01-16 Bosch Gmbh Robert Verfahren zur Herstellung von poroesen Gasdiffusionselektroden mit Raney-Katalysatoren
US3340097A (en) * 1964-01-22 1967-09-05 Air Prod & Chem Fuel cell electrode having surface co-deposit of platinum, tin and ruthenium
US3481787A (en) * 1964-06-11 1969-12-02 Engelhard Ind Inc Fuel cell comprising a raney catalyst alloy consisting of platinum and a member selected from the group consisting of zirconium,tungsten and rhenium
US3424619A (en) * 1964-09-28 1969-01-28 Engelhard Ind Inc Process for using fuel cell with hydrocarbon fuel and platinum-niobium alloy catalyst
US3506494A (en) * 1966-12-22 1970-04-14 Engelhard Ind Inc Process for producing electrical energy utilizing platinum-containing catalysts
US3433680A (en) * 1967-01-31 1969-03-18 Us Interior Platinum type electrode for a solid electrolyte fuel cell
US3414439A (en) * 1967-03-13 1968-12-03 Engelhard Ind Inc Fuel cell and process of using with ruthenium-tantalum alloy catalyst
US3989515A (en) * 1972-02-11 1976-11-02 Carl Haas Alloys for tension bands
GB1456369A (en) * 1972-11-30 1976-11-24 Stamicarbon Catalyst preparation
NL7502841A (nl) * 1975-03-11 1976-09-14 Stamicarbon Werkwijze voor het vervaardigen van een metaal- elektrode.
US4053566A (en) * 1975-09-30 1977-10-11 Thiokol Corporation Method of making diammonium hydrazinium tetraperchlorate
LU76107A1 (it) * 1976-10-29 1978-05-16

Also Published As

Publication number Publication date
IT7924031A0 (it) 1979-07-02
NL7905122A (nl) 1980-01-07
AU4860779A (en) 1980-02-07
DK150707C (da) 1988-01-25
DK280279A (da) 1980-01-04
DK150707B (da) 1987-06-01
GB2024868A (en) 1980-01-16
JPS5916495B2 (ja) 1984-04-16
AU527322B2 (en) 1983-02-24
EG13886A (en) 1982-09-30
FR2430264A1 (fr) 1980-02-01
SE7905541L (sv) 1980-01-04
FR2430264B1 (it) 1985-03-22
CA1123417A (en) 1982-05-11
JPS5524595A (en) 1980-02-21
US4186110A (en) 1980-01-29
SE445611B (sv) 1986-07-07
BR7904198A (pt) 1980-04-29
BE877414A (fr) 1979-11-05
GB2024868B (en) 1982-08-25
DE2926615A1 (de) 1980-01-24
IL57702A0 (en) 1979-11-30
IL57702A (en) 1982-08-31
CH645037A5 (de) 1984-09-14
DE2926615C2 (it) 1989-07-06

Similar Documents

Publication Publication Date Title
IT1121991B (it) Metodo per produrre leghe di metallo refrattario e metallo nobile nonche'leghe e catalizzatori cosi'ottenuti
IT1121990B (it) Metodo per produrre un catalizzatore in lega di vanadio e metallo nobile e catalizzatore cosi'ottenuto
IT1106029B (it) Metodo per produrre composizioni di catalizzatore e composizioni cosi' prodotte
IT1107587B (it) Procedimento per migliorare il bilancio termico nella affinazione dell'acciaio
FR2301602A1 (fr) Preconditionnement mecanique d'alliages metalliques
JPS54149392A (en) Resinnliganddtransition metal complex composition and method of using said composition as catalyst
IT1077877B (it) Metodo ed apparecchio per produrre polvere di metallo
IT1098111B (it) Processo per la produzione di microsfere e microsfere cosi' ottenute
IT1097864B (it) Processo per migliorare le caratteristiche di corrosione di manufatti in alluminio e in leghe di alluminio cromati
IT1164719B (it) Cilindro di lega di alluminio e procedimento per produrlo
IT1095276B (it) Procedimento di trattamento termico di lamiere in leghe d'alluminio
IT1122979B (it) Procedimento di trattamento termico delle leghe alluminio-rame-magnesio-silicio
IT1149121B (it) Recupero di quantita' di metallo nobile da residui di carbonelazione
BR8204957A (pt) Processo de refundicao para produzir lingote com liga lingote com liga
IT1125579B (it) Articolo dhacciaio di lega bainitica inferiore e metodo per produrlo
OA06353A (fr) Compositions inhibitrice de corrosion, son procédé de préparation et son application dans la protection des surfaces métalliques.
IT1088834B (it) Procedimento per la colata continua di leghe metalliche,specie di leghe di ottone,e conchiglia a colata continua per attuare il procedimento stesso
IT8267639A0 (it) Composizione e procedimento per inibire la corrosione di metalli ferrosi
BE874591A (fr) Alliage contenant des metaux du groupe platine
ZA784678B (en) Production of metal and alloy granulates
IT1076068B (it) Composizione per proteggere dalla corrosione metallo in strutture a base di calcestruzzo,e metodo di suo impiego
IT1096691B (it) Procedimento per recuperare quantita' preziose di titanio
SE7813323L (sv) Dentallegering av edelmetall med forbettrad guldferg
IT1094856B (it) Procedimento di produzione continua di leghe metalliche
IT1067044B (it) Impianto per limitare l'ossidazione superficiale di raschiature e scorie metalliche incandescenti