Contents - Pyro.co.za

TABLE OF CONTENTS
CONSTRUCTION AND OPERATION OF THE SHAFT TYPE Fe-Mn SMELTING FUfu~ACE A. Kitera, S. Sakurai, J. Kurihara, M. Yoshimoto, N. Fukushima, Y. Serizawa
'(Mizushima Ferro Alloy Co, Ltd. and Kawasaki Steel Corp., Japan)
1
THE DESIGN AND DEVELOPMENT OF FURNACE LININGS FOR MANGANESE ALLOYS SMELTING
N. J. van der WaIt (Tubatse Ferrochrome, South Africa)
17
PRODUCTION OF MANGANESE ALLOYS WITH ORE FROM CARAJAS
B. V. Gorini and L. T. Castro ( Cia Vale do Rio Doce, Brazil)
31
MANGANESE SMELTING IN AUSTRALIA USING LUMPY ORE AND SINTER
A. H. Olsen and A. M. Lee (Tasmanian Electra Metallurgical Co. Pty. Ltd.,
Australia)
IMPROVEMENT OF ENERGY EFFICIENCY BY PROCESS COMPUTER FOR FERROALLOY ELECTRIC
FURNACE AND PRODUCTION OF MEDIUM OR LOW CARBON FERROMANGANESE BY DIRECT
DECARBONIZATION OF FMnH MELT
K. Yamamoto, S. Ita, S. Terada, T. 'Soejima and Y. Kurita (Kobe Steel Ltd.,
Japan)
CONTROL OF FURNACE CHARGE BY MICROCOMPUTER.NEW TECHNOLOGY
P. E. L. Pires and J. N. Monteiro Jr. (Eirich Industrial Ltda, Brazil)
STATISTICAL PROCESS CONTROL. A TOOL FOR PROFIT
J. F. Collins and J. E. Cumbo ( SKW Alloys, Inc., United States)
43
63
79
91
FACTORS AFFECTING THE REDUCTION
RATE OF CHROMITE
N. F. Dawson and R. I. Edwards (Council for Mineral Technology and
University of Natal, South Africa)
105
AN ASSESMENT OF SMELTING REDUCTION PROCESSES IN THE PRODUCTION OF Fe-Cr-C
ALLOYS
M. J. Niayesh and G. W. Fletcher (Council for Mineral Technology, South
Africa)
115
FERROCHROME PRODUCTION AT FERROCHROME PHILIPPINES, INC.
F. BrHuer and W. Weber (Voest Alpine and Ferrochrome Philippines, Austria
and Philippines)
125
CHROME ORE FINES SINTERING IN FERBASA - G. O. Lopes (Cia Ferro-Ligas da
Bahia, Brazil)
147
INDUSTRIAL APPLICATION OF DENSE MEDIA SEPARATION FOR RECOVERING FeCr ENTRAINED
IN SLAG AND DISCARDING SLAG ADMIXED WITH FeCr FINES - G. A. Apostolides
(Hellenic Ferroalloys SA, Greece)
157
PRODUCTION OF CHARGE CHROME IN A 45 MVA SUBMERGED ELECTRIC ARC FURNACE AT
FACOR, INDIA, USING A MIX OF BRIQUETTED AND LUMPY CHROME ORES M. Subramanian, N. Harman, M. Saraf and R. Saraf (Ferro Alloys Corp., India)
161
THE CONTROL AND OPERATION OF A PILOT-PLANT D.C. PLASMA FURNACE K. C. Nicol, M. S. Rennie and A. B. Stewart (Council for Mineral Technology,
South Africa)
179
TECHNOLOGY FOR THE PRODUCTION OF NEW GRADES AND TYPES OF FERRO-ALLOYS USING
THERMAL PLASMA - D. Slatter, N. A. Barcza, T. R. Curr, K. U. Maske and L. B.
McRae (Middelburg Steel and Alloys (Pty.) Ltd and Council for Mineral
Technology, South Africa)
191
PYROMETALLURGICAL PROCESSING OF POLYMETALLIC NODULES M. Demange and L. Septier (Pechiney Electrometallurgie, France)
205
OPTIMUM UTILIZATION OF BY-PRODUCTS IN FERROALLOY INDUSTRY T. Senga, H. Saito and M. Takabatake (Japan Metals & Chemicals Co., Ltd,
Japan)
223
RECYCLING OF FINES GENERATED IN THE FERRO ALLOY PRODUCTION THROUGH COLDBONDED AGGLOMERATION PROCESS. PRELIMINARY TESTS - J. Martins (Funda~ao
Centra Tecnologico de Minas Gerais - CETEC, Brazil)
237
CHROMITE POTENTIAL OF THE VALE DO JACURICIP. B. de Deus, M. M. Marinho, G. M. F. Rocha and J. S. Viana (Superintendencia
de Geologia
~ecursos Minerais
and Cia Ferro-Ligas da Bahia, Brazil)
245
EVOLUTION OF HSLA STEELS PRODUCTION IN BRAZIL. AN INFLUENCING FACTOR IN THE INCREASING
CONSUMPTION OF SPECIAL FERRO-ALLOYS
P. J. P. Bordignon, E. Q. Oliveira, J. R. P. Schiesari and S. A. Machado (Cia Brasileira de Metalurgia e Mineracao, Cia Siderurgica Nacional and Cia Siderurgica Paulista,
Brazil)
263
THE MICROALLOYING INDUSTRY
H. Stuart and F. Heisterkamp (Niobium Products Co. Inc. and Niobium Products Co.
GmbH, United States and Germany)
279
THE POTENTIAL DEMAND FOR FERROBORON IN LARGE SCALE APPLICATIONS OF AMORPHOUS METALS
FOR TRANSFORMER CORES AND IN OTHER USES - W. J. Rosenfelder (Borax Holdings Ltd.,
United Kingdom)
297
PRODUCTION OF FERRO-BORON BY ELECTRIC FURNACE
and T. Inoue (Nippon Denko Co. Ltd., Japan)
309
EFFECT OF CURRENT VARIATIONS ON MATERIAL PROPERTIES
S0DERBERG ELECTRODES
R. Innvaer, K. Fidje, R. Ugland (Elkem a/s, Norway)
- K. Seki, T. Hiromoto
AND THERMAL STRESSES IN
321
D-C ARC SINGLE ELECTRODE SMELTING FURNACE
B. Kjellberg and B. Orrling (As ea Metallurgy, Sweden)
.......
331
PAST EXPERIENCE AND FUTURE TRENDS ON FUME CONTROL SYSTEM IN THE FERRO ALLOY
INDUSTRY
F. C. Schmitt (Filter Media SA, France)
.......
343
ALUMINOTHERMIC REDUCTION OF ANATASE CONCENTRATES
L. R. Freitas, P. R. Mazoni and M. W. Saab (Cia Vale do Rio Doce, Brazil)
.......
349
MANUFACTURING OF NODULIZING ALLOYS AND THEIR APPLICATION
M. Sarlo and H. Richter (Italmagnesio SA, Brazil)
.......
363
THE USF OF SILICON CONTAINING ALLOYS IN IRON FOUNDRIES - B. Scheffler
(SKW rostberg AG, Federal Republic of Germany)
.......
375
METALLURGICAL PRODUCTION OF HIGH PURITY SILICON
A. Schei (Elkem a/s, Norway)
SILICON METAL SUPPLY AND DEMAND SITUATION IN THE PERIOD
PROBABLE IMPACT ON THE INTERNATIONAL MARKET SITUATION
F. Myhre and A. G. Arnesen (Elkem a/s, Norway)
389
1986-1991 AND ITS
399
AVAILABILITY OF MANGANESE ORE AND FUTURE PRODUCTION OF HIGH CARBON FERROMANGANESE
E. Madero B. (Compania Minera Autlan, Mexico)
LONG TERM TRENDS IN THE PRODUCTION AND CONSUMPTION OF FERRO-ALLOY METALS
J.L.T. Davies (World Bureau of Metal Statistics, United Kingdom)
411
.......
423
.......
433
PRODUCAO E USO DE ENERGIA DERIVADAS DA BIOMASSA FLORESTAL
M. H. Borges, M. R. Almeida and J. C. R. Magalhaes (Cia Acos Especiais Itabira ACESITA and Acesita Energetica SA, Brazil)
.......
447
o CARVAO VEG~TAL NO BRASIL
A. Marri and P. A. Gomes (Fundacao Centro Tecnologico de Minas Gerais-CETEC,
Brazil)
.......
473
FERRO~A~~OYS
Russell
IN A GLOBAL CONTEXT. AN ECONOMIC VIEW OF THE FUTURE - B. G.
Bureau, South Africa)
~inerals
ANALISE T~CNICA DA UTILIZACAO DE CARVAO VEGETAL PELA INDUSTRIA DE FERRO-LIGAS NO
BRASIL - R. C. Silveira, W. F. Carmo and M. V. Braga Neto (Cia de Cimento Portland
Maringa, Brazil)
481
AUTHOR INDEX
501
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