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Assessment of Critical Metals in Waste Catalysts.

Authors
Hennion-FJ; Farkas-J
Source
NTIS: PB/83-144832 :170 pages
Link
NIOSHTIC No.
10002681
Abstract
A survey was conducted of the U.S. catalyst industry for the purpose of defining critical metals usage and disposition. This report encompasses the petroleum, chemical, and environmental (industrial and automotive emission control) industries. Metals used for catalysts in these industries include nickel, cobalt, molybdenum, vanadium, tungsten, chromium, iron, copper, zinc, and precious metals--platinum, palladium, rhodium, rhenium, silver, and gold. In recent years, about 27 million pounds of non-noble metals have been consumed for catalysts annually. Over half of this, primarily metals of lower value or concentration, is currently not recycled. However, the more valuable nickel, cobalt, molybdenum, and tungsten are extensively recycled. About 1 million troy ounces of platinum- group metals are consumed annually for catalyst applications. The automotive industry uses over 60 percent of these metals, and only a negligible amount is currently being recycled, although the technology for recovery has been demonstrated. Of the precious metal catalysts consumed by the chemical and petroleum industries, about 15 percent is lost. The balance is recycled, primarily by toll refining.
Publication Date
19820101
Document Type
CP; Final Contract Report;
Fiscal Year
1982
NTIS Accession No.
PB83-144832
NTIS Price
A09
Identifying No.
OFR 197-82
NIOSH Division
ALRC;
Source Name
NTIS: PB/83-144832
Performing Organization
Inco Res. & Development Inc.
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