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Foundries for the metal-casting industry generate by- products such as used foundry sand. Foundries successfully recycle and reuse sand many a times in a foundry and the remaining sand called ...
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General Stormwater and/or NPDES permits at reuse sites. Other Requirements Each foundry must maintain records at its facility regarding the reuse of foundry sand. These records include a description of the site and its location within a specific township and range, and the volume of foundry sand managed at each location.
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From a circular economy perspective, the recovery and reuse of waste plays a fundamental role. Foundries purchase hundreds of millions of siliceous sands every year to create molds and cores that give shape to the casting. These sands, after several uses, become waste that must be properly recovered or disposed of; they are called waste foundry sands (WFS). …
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After recycling foundry sand several times in various foundry operations when it is discarded it contains residues of the additives with dust particles into the waste foundry sand which limits its further reuse. Some foundries use screening systems and magnetic separators to segregate particles of different size and separates reusable sand from ...
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reuse foundry sand and other solid wastes. Indiana statute allows for specific reuse of type III foundry sand without having to get a permit from IDEM (IC 13-19-3-7). Indiana's Solid Waste Rule (329 IAC 10-3-1) allows for other uses of spent foundry sand and other solid waste when the reuse is determined to be "legitimate."
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Washington not only to keep spent foundry sand out of the landfill, but also to increase the competitiveness of both the foundries and the end-users of the spent foundry sand. Fact Sheet Issue Date: August 1996 For More Information For a copy of the report, Beneficial Reuse of Spent Foundry Sand (IBP-95-1), use the CWC Publication Order Form.
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BENEFICIAL REUSE OF SPENT FOUNDRY SAND The foundry industry generates a number of byproducts, of ... Recycling of spent foundry sand in Washington State must overcome many challenges, including:
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Recycled sand is produced through the recycling process of sand used in foundry cores. This sand is collected, cleaned, and prepared for reuse in the production of new cores. This means that recycled sand is more environmentally friendly than sand, as it reduces the amount of waste produced by the manufacturing industry.
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----- TABLE OF CONTENTS Table of Acronyms 4 I. Overview of Industrial Materials Recycling 6 II. Industrial Materials 101 7 A. Coal Combustion Products 7 B. Construction & Demolition (C&D) Materials 10 C. Foundry Sands 13 D. Pulp and Paper Byproducts 14 E. Scrap Tires 15 F. Blast and Steel Furnace Slags 15 III.
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Keywords Waste Foundry Sand · Characteristics · Reuse Introduction Approximately 250,000 and 25,000 tons of silica and chro-mite molding waste sands, respectively, are generated each ... of study. At present, the recycling of waste sand in South Africa is not well established or popular. In this work, we explore possible alternatives to ...
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Beneficial Reuse of Foundry Sand: A Review of State Practices and Regulations. December 2002. ... please refer to Foundry Industry Recycling Starts Today (FIRST), a non-profit consortium focused on market development of sustainable options for recycling and beneficial reuse of foundry industry by-products. ... a general permit may cover ...
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@conference{osti_682197, author = {Alido, F B and Dasher, D R}, title = {Use, reuse and recycling of waste foundry sand}, annote = {Navistar International Transportation Corp. is a manufacturer of heavy- and medium-duty trucks and smokeless diesel engines. The company has a very proactive environmental protection policy and management program ...
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Processing and beneficial use of drinking water treatment sludges, yard waste, bark ash, coal ash, agricultural residues, waste cardboard and paper, sludge generated by paper of pulp mills, waste from vegetable food processing, unused sands, waste foundry sand that is authorized for use as a soil additive or soil substitute under General Permit ...
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If you would like to review data on the feasibility of reusing foundry sand, please refer to Foundry Industry Recycling Starts Today (FIRST), a non-proit consortium focused on market development of sustainable options for recycling and beneicial reuse of foundry industry by-products. The FIRST website provides links to a
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Recognizing that lack of knowledge of state regulations can be a key barrier impeding foundry sand reuse and recycling, EPA's Environmental Assistance Compliance Platform (EnvCAP) …
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Foundry sand consists primarily of clean, uniformly sized, high-quality silica sand or lake sand that is bonded to form moulds and cores for ferrous (iron and steel) and nonferrous (copper, aluminium, brass) metal castings [16] due to its thermal conductivity [17], [18]. In foundry, the sand is reused several times by regeneration.
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FOUNDRY SAND RECYCLING. Some state and local agencies regulate the beneficial uses of recycled foundry sand. The following uses are common throughout the country. 1. Use in other …
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Foundry Sands Recycling Author: US EPA Subject: increasing the recycling and reuse of foundry sand Keywords: foundry sand,recycle,recycling,reuse,industrial materials Created Date: 4/5/2007 12:26:36 PM
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The authors then focus on the chemical nature of foundry sand and its suitability in concrete. Concrete manufacturers generally require that the chemical percentage of cement be approximately 65% ...
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Sand is the most-mined mineral globally and yet demand is set to increase. With significant environmental and societal consequences driven by sand extraction, facilitating sand circularity to maximize the reuse and recycling of aggregates, particularly from waste from construction and demolition, where sand is primarily used, becomes imperative.
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the sand deteriorates and is no longer useable by the foundry. Nearly all of this sand (98%) is a nonhazardous byproduct that could be used for other purposes, yet 9 to 13 million tons are discarded in landfills each year. Only one million tons per year are currently put to productive use.13 As shown in the Beneficial Reuse of Foundry Sand from the
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EPA's risk assessment for the beneficial uses of spent foundry sands found that that silica-based spent foundry sands produced by iron, steel and aluminum foundries can be …
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waste sand, potential reuse options and the process to achieve reuse • waste service contractors to understand the steps to receiving foundry waste sand for reuse options • Sand users to understand the potential of foundry waste sand as an input to their processes. The benefits of finding smarter reuse options for spent foundry sand include:
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Specific Permitting/Regulatory Requirements for Kurtz Brothers ... foundry sand recycling conducted by, or for, Kurtz. Product Performance ... REUSE OF FOUNDRY SAND IN HIGHWAY CONSTRUCTION - ENCAPSULATED STRUCTURAL FILL – WISCONSIN Description of Beneficial Reuse Activity
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Sand recycling and reuse should be part of a foundry operator's overall goal to improve efficiencies and save money. Additionally, local sand recycling projects can build bridges–both …
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The Institute of Indian Foundrymen, 67, Tughlakabad Institutional Area, New Delhi - 110 062, Phone: 91-11-29960601, Telefax: +91-11-29958028, Email: fic@indianfoundry
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Recognizing that a lack of knowledge of state regulations can be a key barrier impeding foundry sand reuse and recycling, EPA's Environmental Assistance Compliance Platform (EnvCAP) …
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of foundry sand wastes (WFS) and the presence of contaminants, their recovery, regeneration, and recycling are always challenging. The uses of WFS as-it-is in road sub-base or agriculture have been
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Resource conservation, reuse and recycling are important parts of the global movement toward sustainability. The U.S. EPA and other partners have embarked on an effort to close the recycling loop by focusing on reusing and recycling the byproducts of manufacturing industries. Brochure: Foundry Industry… Recycling Yesterday, Today & Tomorrow
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These sands, after several uses, become waste that must be properly recovered or disposed of; they are called waste foundry sands (WFS). The reuse of WFS leads to a reduction in: (i) the ...
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