foundry sand


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foundry sand

[′fau̇n·drē ‚sand]
(metallurgy)
Sand used in foundries to make molds for the casting of metal shapes. Also known as molding sand.
References in periodicals archive ?
The report also states, "Local interviews conducted by CT DEEP indicate historically, one of the site's former owners operated an unlicensed metals recycling business on the property that processed suspected foundry sand materials to recover slag metal.
FHWA outreach activities include an October 2007 forum (cosponsored by EPA) on recycling spent foundry sand into roadways and highway embankments and a June 2008 workshop on in-place asphalt recycling.
The Complaint, filed at lodging alleges: illegal treatment of hazardous waste foundry sand in the sand reclamation unit without a permit; illegal storage of the sand; disposal in violation of Land Disposal Restriction lead standards; preparedness and prevention violations; training violations; and container management violations, including management of hazardous waste in open, improperly marked, and unlabeled containers.
Ecomat, which holds patents on compounding with a variety of odd mineral fillers - including foundry sand, blast-furnace slag from steel making, and red mud from aluminum manufacture - plans to build eight compounding plants around the country.
The company earned a "priority waste streams" award for finding new ways to recycle extra foundry sand and broken molds.
When we compared the cost of the harder abrasives (30^ to 55^/lb) to the cost of foundry sand (1^/lb), we decided to use sand and accept lower performance in return for substantial material-cost savings.
The risk assessment marked a significant milestone for the metalcasting industry relative to efforts to gain acceptance of recycled foundry sand in the marketplace.
The production of foundry sand requires special screening and classification systems and involves detailed analysis of feed material and sand grade specifications.
Other operations have included solvent recovery, foundry sand recycling and converting tires into fuel gas.
Other products such as foundry sand, glass culler, recycled plastic and compost are routinely used.
The goal of the three-year project was to establish a way to use spent foundry sand as landfill liner, which could lead to a number of significant benefits, such as:
The EPA encourages foundries and foundry sand recyclers to consult state regulations to ensure planned uses are consistent with state beneficial use and waste management programs and that the chemical and physical properties of the sand meet applicable state environmental limits, engineering performance criteria, and other state requirements.