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Es tut sich was.... Export Grade Thermal Coal Potential From Mmamantswe 7 February, 2011 Aviva Corporation Ltd (“Aviva” or “the Company”) is pleased to announce that a study completed by A&B Mylec Pty Ltd confirmed that export grade thermal coal can be produced from the Company’s Mmamantswe project in Botswana. A&B Mylec Pty Ltd was engaged to investigate the potential quantity and quality of export thermal coal that could be produced at Mmamantswe. The study demonstrates that the 895Mt Mmamantswe project could yield two products streams, 200Mt of export grade thermal coal and an additional 100-150Mt of domestic power coal capable of supporting a 300MW domestic power station. The key conclusions of the study are listed below: Two stage processing of the Mmamantswe deposit is a viable option to deliver both export grade 20-22MJ/kg (ad) and domestic grade 13.5-16.5GJ/t (ad) thermal products. The whole of plant yield is enhanced by the two stage washing process compared to the previous single stage base case scenario with recoveries lifted to 46%. The preferred process option combines coal from Zones A, C and D in a single feed stream for processing, greatly reducing the complexity of the plant resulting in lower capital, operating and maintenance costs. The conclusions assume that coal from Zone B is discarded as waste but notes that in-pit scalping of Zone B coal could deliver additional feed tonnes at an overall yield of greater than 30% and recommends further evaluation of this option. The A&B Mylec study was based on the 20 year preliminary mine layout prepared by SRK Consulting in the as part of the Mmmantaswe Coal Project Scoping Study completed in 2009. If Zone B is discarded as waste the effective strip ratio of the Mmamantswe deposit would only increase from 1.0 bcm of waste/tonne of coal, to 1.5bcm/t. For further information and to view the ASX release, please click on the link below Quelle: Homepage Aviva |
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| aus der Diskussion: | ....gute Projekte mit spitzen Aussichten !!!! |
| Autor (Datum des Eintrages): | Waterjoe66 (08.02.11 11:30:05) |
| Beitrag: | 57 von 60 (ID:41000655) |
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