Process and apparatus for use with copper containing components providing low copper concentrations portable water
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United States of America Patent
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Sep 25, 2001
Grant Date -
N/A
app pub date -
Jun 18, 1999
filing date -
Jun 18, 1999
priority date (Note) -
Expired
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Abstract
A process for annealing copper or copper-containing components, such as copper tubing, and/or for selecting copper with an appropriate grain size, such that potable water in contact with the properly treated and/or selected copper, has substantially decreased copper emissions, and may comply with ANSI/NSF 61. In one preferred embodiment, an ANSI/NSF 61 -compliant water cooler may be constructed using a storage tank with wrapped copper water tubing treated and/or selected in this manner. The storage tank is preferably designed from non-copper components.
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