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Welcome
to the American Recovery Refining tour. Here you will follow
the highlights of a typical scrap lot from start to finish.
We hope this raises your understanding of how your scrap is
processed. |
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Scrap
shipments arrive in a wide verity of forms, shown here are
old crowns and bridges along with spills and slag from the
casting unit. Grindings, central suction, filters, vacuum
bags, floor sweepings, carpets, and aluminum oxide are
accepted.
The scrap is then documented and entered into our computer
system. Each part of the scrap lot is itemized by type,
weight, and even color. For example, a typical scrap lot may
consist of three parts: solids, grindings, sweeps. Each
component is processed and assayed separately which insures
the customer of 100% accountability. Crushing, blending,
and sifting are also procedures used to prepare your scrap
shipment for analysis. Knowledge of where your scrap
dollars are being generated from is a vital part of owning a
profitable dental laboratory.
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The high
heat induction melter is going through its pre heating
phase. This procedure raises the temperature of the crucible
enabling a fast and homogeneous melt. |
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For
smaller shipments the gas and air melting pot is utilized.
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After
the scrap lot has been properly melted it is then carefully
poured into a bar mold. |
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Here the
molten metal cools before quenching and scrubbing. The bars
need to be free from all flux and debris before the next
step can be taken. |
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These
bars are now ready for drilling. Each bar is drilled on all
sides and at a specific depth assuring a proper sample. It
is critical each drill sample is precise to allow for the
shavings to be electronically weighted.
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Electronic weight scale used for samples prior to assay. |
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The American Recovery
standard operating procedure utilizes 3 methods for assaying
ICP
(Inductively Coupled Plasma)
shown right, the SAE2001 shown below and
fire assay (not shown).
After the samples have been dissolved in acid the solution
is introduced into a high temperature plasma, where the
emission spectrum is produced. State of the art solid state
detectors read the emission spectrum and report the percentages
of gold, platinum, palladium and silver. Quality control is
maintained by the running of "standards" or check samples
after every fifth run. |
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The
SEA-2001 from Seiko Instruments is the newest piece of
equipment used by American Recovery for fast and easy
elemental analysis. The SEA-2001 is a x-ray element
analyzer that can detect all elements used in dental alloys.
Simply stated, we are able to detect base metal and precious
metal compositions equaling 100% of metal recovery. Every
sample is monitored and is then cross referenced with
samples analyzed by ICP or fire assay.
These procedures are necessary to obtain highly reliable
data used to give you the most accurate return on your
scrap. |
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We at American Recovery, hope that this tour has both
enlightened and educated you to our refining process.
American Recovery strives to provide you with most accurate
return on your scrap.
We look forward to the opportunity of working with you on
your next scrap lot. |
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Schedule
A Scrap Pickup Today! |
