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Year 2002 No 1
NIESLER M.
METHOD OF TESTING OF REACTIVITY OF COKE WITH DIFFERENT GRAIN SIZES AND ITS VERIFICATION UNDER INDUSTRIAL CONDITIONS
Keywords: coke reactivity|reactivity testing|grain size|blast furnace|coke|
No 1 (2002), p. 5-17
  mag01.pdf (111 kB)
mag01_eng.txt (908 B)  
Mulak W., Chojnacka M., Sułek B.
ENHANCEMENT OF NICKEL SULPHIDES LEACHING BY ACTIVATED CARBON
Abstract
The possibility and efficiency of the leaching of Ni3S2 and ?-NiS in dilute nitric acid and hydrochloric acid solutions in the presence of activated carbon were investigated.
Activated carbons were prepared from various types of coal. Influence of the addition of six various types of activated carbon on leaching rate was tested. In general, such an addition protects the retarding of Ni3S2 leaching in diluted nitric acid at 80°C, and considerably increases nickel extraction. Similar results were achieved for the leaching of ?-NiS in dilute hydrochloric acid solutions.
It was found that the leaching rate of nickel extraction for both sulphides increases depending on the capillary structure of activated carbon.

Keywords: hydrometallurgy|millerite|leaching|activated carbon|
No 1 (2002), p. 18-23
  mag02.pdf (90 kB)
mag02_eng.txt (737 B)  
Kohútek I., Käerdi H., Besterci M., Kulu P., Mikli V., Velgosová O.
CHARACTERISATION OF MORPHOLOGY OF POWDER PARTICLES
Keywords: powder particles|morphology and geometrical shape parameter|
No 1 (2002), p. 24-29
  mag03.pdf (154 kB)
mag03_eng.txt (1 kB)  
Blacha L., Steindor J., Sosnowski R.
THE INFLUENCE OF AN APPLIED ATMOSPHERE ON PB EVAPORATION RATE FROM CU-PB ALLOYS
Keywords: Metal refining|Copper metallurgy|Lead metallurgy|
No 1 (2002), p. 30-34
  mag04.pdf (194 kB)
mag04_eng.txt (1 kB)  
Marasová D., Najajreh A.
SOLUTION OF WIRE ROPE NET FOR SAFETY PLATFORMS BY FINITE ELEMENT METHOD
Keywords: cable net platform|finite element method|stress-strain states|Cosmos/M|
No 1 (2002), p. 35-42
  mag05.pdf (166 kB)
mag05_eng.txt (915 B)  
Trišč A., Čurilla J., Kendera J.
OPTIMISATION OF COLD BONDED PELLETS PRODUCTION FROM BOF SLUDGES AND DUSTS
Keywords: sludge|dust|pellets|cement|
No 1 (2002), p. 43-49
  mag06.pdf (195 kB)
mag06_eng.txt (1 kB)  
Petrík J., Szarvasy P., Špeťuch V.
THE INFLUENCE OF COOLING RATE AND MN AND FE CONTENT ON THE STRUCTURE AND MECHANICAL PROPERTIES OF AL-SI ALLOY
Keywords: AlSi alloy|cooling rate|structure|mechanical properties|
No 1 (2002), p. 50-58
  mag07.pdf (169 kB)
mag07_eng.txt (5 kB)  
Bauer V., Škvarla J., Zeleňák F.
PRESENT STATE OF ORE MINING IN SLOVAK REPUBLIC
Keywords: mining|gold ore|deposit|marketing|
No 1 (2002), p. 59-68
  mag08.pdf (204 kB)
mag08_eng.txt (1 kB)  
Gülbas M., Kammel R., Lieber H.-W.
IMPROVEMENTS OF HYDROMETALURGICAL PROCESSESBY APPLICATION OF THE ACID RETARDATIONPROCEDURE - ACTUAL SITUATION AND DEVELOPMENTS
Keywords: hydrometallurgy|acid retardation procedure|pickling solution|acid waste solutions|ecological aspects|economical aspects|
No 1 (2002), p. 69-76
  mag09.pdf (101 kB)
mag09_eng.txt (1 kB)  
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