Nickel mfr. from oxidised ore - in furnace heated by plasma burner fed with mixt. of argon and hydrogen which reduces ore to molten nickel
The oxidised ore is heated by creating a plasma jet in a reducing gas, which travels through a zone of the ore in which an electric discharge is established. The Ni- and Co-oxides in the ore are reduced to form a molten nickel bath, which is desulphurised and degassed. The amt. of reducing gas emplo...
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| creator | K. V. NIKOLAEVICH, R. N. NIKOLAEVICH, D. A. IVANOVICH, T. J. VLADIMIROVICH, K. G. YANOVICH, P. S. ALEXEEVICH, B. V. ALEXEEVICH ET B. T. NIKOLAEVNA |
| description | The oxidised ore is heated by creating a plasma jet in a reducing gas, which travels through a zone of the ore in which an electric discharge is established. The Ni- and Co-oxides in the ore are reduced to form a molten nickel bath, which is desulphurised and degassed. The amt. of reducing gas employed is 1.2 to 1.75 times the stoichiometric amt. required. For refining the molten Ni, the reducing gas is pref. replaced by a neutral gas, which removes residual Fe- and Co- oxides and gases dissolved in the melt. During refining, the melt is pref. heated to ca. 1620 deg.C for tapping. Used for mfr. of Ni shot or ingots employed in the prodn. of steel, cast iron and various alloys. Nickel with a purity above 99% can be obtd. by a process which is less expensive than conventional processes using electrolysis or nickel carbonyl.
LE PROCEDE DE FABRICATION DU NICKEL METAL A PARTIR D'UNE MATIERE PREMIERE OXYDEE NICKELIFERE COMPREND LA MISE EN OEUVRE D'UN JET DE PLASMA, ENGENDRE EN FAISANT PASSER UN GAZ REDUCTEUR A TRAVERS UNE ZONE OU EST AMORCEE UNE DECHARGE ELECTRIQUE, LE CHAUFFAGE DE LA MATIERE OXYDEE PAR LA CHALEUR DU JET PLASMA JUSQU'A LA TEMPERATURE DE FUSION DU NICKEL. PENDANT LE CHAUFFAGE IL Y A REDUCTION DES OXYDES DE NICKEL EN METAL, REDUCTION PARTIELLE DES OXYDES DE FER ET DE COBALT SE TROUVANT DANS LA MATIERE PREMIERE OXYDEENICKELIFERE ET FORMATION D'UN BAIN DE NICKEL METAL. LA REDUCTION DES OXYDES EN METAL S'EFFECTUE EN PRESENCE DU GAZ REDUCTEUR, DONT LA QUANTITE EST CHOISIE D'UNE VALEUR SE SITUANT ENTRE ENVIRON 1,2 ET ENVIRON 1,75FOIS LA QUANTITE STOECHIOMETRIQUE DE GAZ REDUCTEUR. EN OUTRE, LE PROCEDE COMPREND LA DESULFURATION DU BAIN DE NICKEL METAL OBTENU ET L'ELIMINATION DES GAZ Y SONT DISSOUS, AINSI QUE DES OXYDES DE FER ET DE COBALT INCOMPLETEMENT REDUITS QUI S'Y TROUVENT. |
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LE PROCEDE DE FABRICATION DU NICKEL METAL A PARTIR D'UNE MATIERE PREMIERE OXYDEE NICKELIFERE COMPREND LA MISE EN OEUVRE D'UN JET DE PLASMA, ENGENDRE EN FAISANT PASSER UN GAZ REDUCTEUR A TRAVERS UNE ZONE OU EST AMORCEE UNE DECHARGE ELECTRIQUE, LE CHAUFFAGE DE LA MATIERE OXYDEE PAR LA CHALEUR DU JET PLASMA JUSQU'A LA TEMPERATURE DE FUSION DU NICKEL. PENDANT LE CHAUFFAGE IL Y A REDUCTION DES OXYDES DE NICKEL EN METAL, REDUCTION PARTIELLE DES OXYDES DE FER ET DE COBALT SE TROUVANT DANS LA MATIERE PREMIERE OXYDEENICKELIFERE ET FORMATION D'UN BAIN DE NICKEL METAL. LA REDUCTION DES OXYDES EN METAL S'EFFECTUE EN PRESENCE DU GAZ REDUCTEUR, DONT LA QUANTITE EST CHOISIE D'UNE VALEUR SE SITUANT ENTRE ENVIRON 1,2 ET ENVIRON 1,75FOIS LA QUANTITE STOECHIOMETRIQUE DE GAZ REDUCTEUR. EN OUTRE, LE PROCEDE COMPREND LA DESULFURATION DU BAIN DE NICKEL METAL OBTENU ET L'ELIMINATION DES GAZ Y SONT DISSOUS, AINSI QUE DES OXYDES DE FER ET DE COBALT INCOMPLETEMENT REDUITS QUI S'Y TROUVENT.</description><language>eng ; fre</language><subject>CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>1983</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19831223&DB=EPODOC&CC=FR&NR=2528872A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19831223&DB=EPODOC&CC=FR&NR=2528872A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>K. V. NIKOLAEVICH, R. N. NIKOLAEVICH, D. A. IVANOVICH, T. J. VLADIMIROVICH, K. G. YANOVICH, P. S. ALEXEEVICH, B. V. ALEXEEVICH ET B. T. NIKOLAEVNA</creatorcontrib><title>Nickel mfr. from oxidised ore - in furnace heated by plasma burner fed with mixt. of argon and hydrogen which reduces ore to molten nickel</title><description>The oxidised ore is heated by creating a plasma jet in a reducing gas, which travels through a zone of the ore in which an electric discharge is established. The Ni- and Co-oxides in the ore are reduced to form a molten nickel bath, which is desulphurised and degassed. The amt. of reducing gas employed is 1.2 to 1.75 times the stoichiometric amt. required. For refining the molten Ni, the reducing gas is pref. replaced by a neutral gas, which removes residual Fe- and Co- oxides and gases dissolved in the melt. During refining, the melt is pref. heated to ca. 1620 deg.C for tapping. Used for mfr. of Ni shot or ingots employed in the prodn. of steel, cast iron and various alloys. Nickel with a purity above 99% can be obtd. by a process which is less expensive than conventional processes using electrolysis or nickel carbonyl.
LE PROCEDE DE FABRICATION DU NICKEL METAL A PARTIR D'UNE MATIERE PREMIERE OXYDEE NICKELIFERE COMPREND LA MISE EN OEUVRE D'UN JET DE PLASMA, ENGENDRE EN FAISANT PASSER UN GAZ REDUCTEUR A TRAVERS UNE ZONE OU EST AMORCEE UNE DECHARGE ELECTRIQUE, LE CHAUFFAGE DE LA MATIERE OXYDEE PAR LA CHALEUR DU JET PLASMA JUSQU'A LA TEMPERATURE DE FUSION DU NICKEL. PENDANT LE CHAUFFAGE IL Y A REDUCTION DES OXYDES DE NICKEL EN METAL, REDUCTION PARTIELLE DES OXYDES DE FER ET DE COBALT SE TROUVANT DANS LA MATIERE PREMIERE OXYDEENICKELIFERE ET FORMATION D'UN BAIN DE NICKEL METAL. LA REDUCTION DES OXYDES EN METAL S'EFFECTUE EN PRESENCE DU GAZ REDUCTEUR, DONT LA QUANTITE EST CHOISIE D'UNE VALEUR SE SITUANT ENTRE ENVIRON 1,2 ET ENVIRON 1,75FOIS LA QUANTITE STOECHIOMETRIQUE DE GAZ REDUCTEUR. EN OUTRE, LE PROCEDE COMPREND LA DESULFURATION DU BAIN DE NICKEL METAL OBTENU ET L'ELIMINATION DES GAZ Y SONT DISSOUS, AINSI QUE DES OXYDES DE FER ET DE COBALT INCOMPLETEMENT REDUITS QUI S'Y TROUVENT.</description><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1983</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjkEKwjAURLtxIeod5gItWBHdilhcuRD3JTY_JtjklySl7RU8taF4AFcDb4bhLbPPzTRvamGVL6A8W_BopAkkwZ6Qwzio3jvREDSJmPhzQteKYAWeqSAPleBgooY1YyzACsK_2EE4CT1Jzy9yGLRpNDzJvqEwf0eG5Tamzs0O62yhRBto88tVhuryOF9z6rim0CUFR7Gu7uW-PB4P5Wm7-2PyBbtzSv8</recordid><startdate>19831223</startdate><enddate>19831223</enddate><creator>K. V. NIKOLAEVICH, R. N. NIKOLAEVICH, D. A. IVANOVICH, T. J. VLADIMIROVICH, K. G. YANOVICH, P. S. ALEXEEVICH, B. V. ALEXEEVICH ET B. T. NIKOLAEVNA</creator><scope>EVB</scope></search><sort><creationdate>19831223</creationdate><title>Nickel mfr. from oxidised ore - in furnace heated by plasma burner fed with mixt. of argon and hydrogen which reduces ore to molten nickel</title><author>K. V. NIKOLAEVICH, R. N. NIKOLAEVICH, D. A. IVANOVICH, T. J. VLADIMIROVICH, K. G. YANOVICH, P. S. ALEXEEVICH, B. V. ALEXEEVICH ET B. T. NIKOLAEVNA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_FR2528872A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1983</creationdate><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>K. V. NIKOLAEVICH, R. N. NIKOLAEVICH, D. A. IVANOVICH, T. J. VLADIMIROVICH, K. G. YANOVICH, P. S. ALEXEEVICH, B. V. ALEXEEVICH ET B. T. NIKOLAEVNA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>K. V. NIKOLAEVICH, R. N. NIKOLAEVICH, D. A. IVANOVICH, T. J. VLADIMIROVICH, K. G. YANOVICH, P. S. ALEXEEVICH, B. V. ALEXEEVICH ET B. T. NIKOLAEVNA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Nickel mfr. from oxidised ore - in furnace heated by plasma burner fed with mixt. of argon and hydrogen which reduces ore to molten nickel</title><date>1983-12-23</date><risdate>1983</risdate><abstract>The oxidised ore is heated by creating a plasma jet in a reducing gas, which travels through a zone of the ore in which an electric discharge is established. The Ni- and Co-oxides in the ore are reduced to form a molten nickel bath, which is desulphurised and degassed. The amt. of reducing gas employed is 1.2 to 1.75 times the stoichiometric amt. required. For refining the molten Ni, the reducing gas is pref. replaced by a neutral gas, which removes residual Fe- and Co- oxides and gases dissolved in the melt. During refining, the melt is pref. heated to ca. 1620 deg.C for tapping. Used for mfr. of Ni shot or ingots employed in the prodn. of steel, cast iron and various alloys. Nickel with a purity above 99% can be obtd. by a process which is less expensive than conventional processes using electrolysis or nickel carbonyl.
LE PROCEDE DE FABRICATION DU NICKEL METAL A PARTIR D'UNE MATIERE PREMIERE OXYDEE NICKELIFERE COMPREND LA MISE EN OEUVRE D'UN JET DE PLASMA, ENGENDRE EN FAISANT PASSER UN GAZ REDUCTEUR A TRAVERS UNE ZONE OU EST AMORCEE UNE DECHARGE ELECTRIQUE, LE CHAUFFAGE DE LA MATIERE OXYDEE PAR LA CHALEUR DU JET PLASMA JUSQU'A LA TEMPERATURE DE FUSION DU NICKEL. PENDANT LE CHAUFFAGE IL Y A REDUCTION DES OXYDES DE NICKEL EN METAL, REDUCTION PARTIELLE DES OXYDES DE FER ET DE COBALT SE TROUVANT DANS LA MATIERE PREMIERE OXYDEENICKELIFERE ET FORMATION D'UN BAIN DE NICKEL METAL. LA REDUCTION DES OXYDES EN METAL S'EFFECTUE EN PRESENCE DU GAZ REDUCTEUR, DONT LA QUANTITE EST CHOISIE D'UNE VALEUR SE SITUANT ENTRE ENVIRON 1,2 ET ENVIRON 1,75FOIS LA QUANTITE STOECHIOMETRIQUE DE GAZ REDUCTEUR. EN OUTRE, LE PROCEDE COMPREND LA DESULFURATION DU BAIN DE NICKEL METAL OBTENU ET L'ELIMINATION DES GAZ Y SONT DISSOUS, AINSI QUE DES OXYDES DE FER ET DE COBALT INCOMPLETEMENT REDUITS QUI S'Y TROUVENT.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Nickel mfr. from oxidised ore - in furnace heated by plasma burner fed with mixt. of argon and hydrogen which reduces ore to molten nickel |
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