One of the parameters affecting the leachability of heavy metals from waste is their contact time with the leachant. In this paper, the leaching behaviour of Zn, Cu, Pb and Ni was evaluated in ...

TORONTO, ONTARIO--(Marketwired - Aug 6, 2013) - Atacama Pacific Gold Corporation (TSX VENTURE:ATM) ("Atacama Pacific") is pleased report that gold recoveries of up to 76% have been achieved from ...

In response to the new directive embodying Waste Acceptance Criteria regulations, Severn Trent Laboratories has recently opened a dedicated Waste Acceptance Criteria (WAC) laboratory at its Midlands ...

Coal fly ash, the finely divided residue from coal combustion, is produced in vast quantities worldwide and commonly stored in ash ponds or used in construction applications. Its mineralogical ...

The company has appointed globally recognised leaders Kappes Cassiday & Associates Australia to lead in-house testwork and provide technical support In-house percolation testwork delivers excellent ...