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AM2
is a hydroxamate based mineral flotation reagent which has been
developed and patented by Ausmelt. It has been found in laboratory
and plant evaluations to be effective at floating oxidised
ores of copper, molybdenum, nickel and lead. It also recovers
tin, PGM’s, gold and silver. Work is in progress to develop
an AM2 derivative for zinc.
The product can be used in conventional flotation circuits as
the prime reagent to recover metal from ore with a high proportion
of oxidised ore (instead of xanthates or other standard collectors).
It can also be used as a tertiary collector with other reagents
on mixed sulphide and oxidised ores to increase recovery.
AM2 has been tested in laboratories by a number of the world’s
leading mining houses in Chile, Australia, Indonesia, gif, Peru
and the Republic of South Africa (RSA). To date most test work
has been on copper, copper/molybdenum, copper/gold and platinum
bearing ores although tests have been carried out on nickel and
tin.
AM2 can be useful in increasing metal recoveries from a wide range
of ore types and a wide range of applications. |
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| AM2 will
float copper, gold, silver, molybdenum, nickel, tin, PGMs
and lead. |
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| It can
be used as part of the collector suite, in standard flotation
circuits, particularly in scavengers, to increase the recovery
of minerals from mixed sulphide and oxidised ores, particularly
transition zone ore. |
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| Oxidised
ores or weathered tailings can be treated to recover metal
from flotation circuits with out the need for sulphidisation.
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