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Davis Catalytic Converter Recycling, Scrap Metal

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Davis Recycling Incorporated

We BUY Nationally. We will come pick them up.
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    Idaho State Flag

1410 N. Hilton
Boise, ID 83706
ph: (208) 373-0502
fx: (208) 373-0417
The Idaho Water Center
322. E. Front Street
Boise, Idaho 83720-0098
Tel: (208) 287-4800
Fax: (208) 287-6700

Laws and Regulations
No law, however there is a non-binding resolution that was passed encouraging state achievement of 25% waste reduction goal. Legislation has given a 5% purchasing preference to those items meeting recycled content standards.
EPA Office for Idaho:
CAA 608 Enforcement Contact: EPA Region X; Mail Code OAQ-107;
1200 Sixth Ave.; Seattle, WA 98101

A hot exhaust pipe or catalytic converter can ignite dry grass.

Catalytic Converter Companies
[an error occurred while processing this directive] Smart Plugs
Mr. Cherry says his invention provides a "very powerful combustion event" which results in a more complete burn of the fuel in the cylinder. This in turn significantly reduces emissions - "down to what we see from a modern catalytic converter," says Mr. Cherry.

Educational Opportunities

  • Idaho Forest Products Commissions
  • Recycling in Idaho (PDF file)
  • Palouse-Clearwater Environmental Institute (PCEI)
  • University of Idaho Recycling
  • Brigham Young University Recycling

    The Platinum Group Metals (PGM) includes platinum, palladium, rhodium, ruthenium, iridium, and osmium. They are considered to be among the scarcest of metallic elements. Because of their physical and chemical properties, PGMs are used as catalysts in a wide variety of industrial applications. In particular, automotive manufacturers use platinum, palladium and rhodium in catalytic converters to reduce automobile emissions. As reported by Johnson Matthey, industry demand for platinum in 2005 was 46 percent for auto catalyst, 24 percent for industrial processing, and 30 percent used in jewelry. What will likely be a growing market segment for platinum is fuel cell technology. Fuel cells generate electricity by combining a hydrogen fuel with oxygen from the air via a catalyst such as platinum.
    Industry has found the recycling of PGMs to be cost effective, particularly for catalytic converters where today over 40 percent of the platinum used in new catalytic converters is recovered from old catalytic converters. PGMs are typically recovered by dissolving the metal coating in aqua regia (i.e. a mixture of hydrochloric and nitric acid) or sulfuric acid, and then reducing the salts to recover the metals. Due to growing health concerns regarding potential toxicity, industry is taking measures to reduce environmental emissions of platinum during processing procedures.
    University of Idaho researchers have developed a technology for recovering PGMs. This technology involves treating the PGM-containing material with a supercritical carbon dioxide-based solution of nitric acid and tri-n-butylphosphate (TBP) and then extracting the PGM as a nitric acid/TBP/water complex from the remaining wastes. The solution containing PGM is then stripped from the nitric acid/TBP/water and the PGM is recovered. Benefits of this supercritical carbon dioxide extraction technology over current recovery processes include, system operating temperature and pressure are lower, reagents are recycled, and extraction process is conducted within a closed system that essentially eliminates any PGM loss during the recovery process. A potential business opportunity would be the recovery of PGMs from catalytic converters, fuel cells, jewelry, dental scrap, and/or other materials.
    A US patent was issued October 31, 2006, number 7,128,840. http://www.uro.uidaho.edu/default.aspx?pid=95343

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