scholarly journals Nickel-copper sulphide

1995 ◽  
Author(s):  
O R Eckstrand
Keyword(s):  
Copper Sulphide ◽  
Nickel Copper

Bioleaching strategies for the treatment of nickel–copper sulphide concentrates

2011 ◽  
Vol 24 (11) ◽  
pp. 1106-1112 ◽  
Author(s):  
Mariekie Gericke ◽  
Yageshni Govender
Keyword(s):  
Copper Sulphide ◽  
Nickel Copper

scholarly journals Noritic rocks and associated nickel-copper-sulphide occurrences in Sukkertoppen district, central West Greenland

1983 ◽  
Vol 115 ◽  
pp. 30-34
Author(s):  
K Secher
Keyword(s):  
Mineral Resources ◽  
Field Work ◽  
General Description ◽  
Copper Sulphide ◽  
West Greenland ◽  
Gneiss Complex ◽  
Nickel Copper ◽  
Geophysical Investigations ◽  
Geochemical Investigation ◽  
Rock Suite

Field work in 1982 included detailed mapping and collection of samples of sulphide occurrences in the so called 'norite belt', Sukkertoppen district. Several nickel-copper-sulphide mineralisations related to norite rocks are known from the work of Kryolitselskabet Øresund A/S who mapped this rock suite and carried out exploratory investigations of the sulphides (Nielsen, 1976). The earlier mapping has revealed a suite of metabasic plutonic rocks of mainly noritic composition which are situated in an arcuate belt, approximately 15 x 75 km, curving around the Finnefjeld gneiss complex east of Sukkertoppen (fig. 8). Metanorites are embedded in quartzo-feldspathic gneisses and rarely in amphibolitic rocks, and they occur as a series of irregular pods up to 6 km Iong within the arcuate belt. The present investigation was carried out as part of GGU's mineral resources mapping and evaluation programme in central West Greenland, which this year focussed on the area covered by the 1:250000 map sheet 65 V.2. The fieId work was carried out in dose cooperation with teams doing systematic reconnaissance geochemical stream-sediment and water sampling (to be discussed elsewhere), detailed soil geochemical investigation (Jensen & Secher, this report) and experimental geophysical investigations (Thorning, this report). The present work aimed at a general description of the structure and the metallogenetic behaviour of the known norite-related sulphide occurrences in order to reach an understanding of the mineral genesis within this section of the Archaean environment.

A cupric chloride-oxygen leach process for a nickel-copper sulphide concentrate

1985 ◽  
Vol 15 (1) ◽  
pp. 25-32 ◽  
Author(s):  
T.K. Mukherjee ◽  
R.C. Hubli ◽  
C.K. Gupta
Keyword(s):  
Cupric Chloride ◽  
Copper Sulphide ◽  
Nickel Copper

A nitric acid route for processing a nickel/copper sulphide concentrate

1978 ◽  
Vol 3 (1) ◽  
pp. 55-64 ◽  
Author(s):  
P.P. Shukla ◽  
T.K. Mukherjee ◽  
C.K. Gupta
Keyword(s):  
Nitric Acid ◽  
Copper Sulphide ◽  
Nickel Copper

A ferrous chloride-oxygen leach process for nickel-copper sulphide concentrations

1983 ◽  
Vol 10 (3) ◽  
pp. 359-366 ◽  
Author(s):  
R.C. Hubli ◽  
T.K. Mukherjee ◽  
C.K. Gupta
Keyword(s):  
Copper Sulphide ◽  
Ferrous Chloride ◽  
Nickel Copper

Treatment of a Nickel-Copper Sulphide Concentrate Using Bioleaching

2013 ◽  
Vol 825 ◽  
pp. 464-467
Author(s):  
Mariekie Gericke ◽  
Stefan Robertson
Keyword(s):  
Residence Time ◽  
Process Parameters ◽  
Copper Sulphide ◽  
Bench Scale ◽  
Solids Concentration ◽  
Nickel Copper ◽  
Ultrafine Grinding ◽  
Moderate Thermophile ◽  
And Performance ◽  
Scale Reactor

This paper describes bioleach test work performed in continuously operated bench-scale reactor systems on a nickel-copper containing sulphide concentrate at 45 and 70°C, respectively. Optimisation of the process focused on determining the effects of process parameters such as residence time, grind size and feed solids concentration on the leach kinetics, metal extractions and performance of both the moderate thermophile and thermophile cultures. The results showed that nickel recoveries in excess of 96% could be achieved using a moderate grind size and leach temperatures, whereas ultrafine grinding and higher operating temperatures were required to achieve Cu extractions in excess of 93%.

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