Auto Shredder Residue (ASR) presents a growing problem for landfills in the United States and around the world. In recent years, technology and equipment have advanced to more efficiently and safely shred, process, and recycle ASR. By employing more efficient methods of handling ASR, more materials...
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Auto shredder residue, or ASR, comprises the remaining non-metallic materials left over after an end-of-life vehicle is recycled. This residual “fluff” contains some materials that are valuable in the recovery market, predominantly as a fuel. However, other materials are potentially hazardous. In fact, some countries have...
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What Is E-Waste? Electronic waste, often referred to as e-waste, refers to discarded electronic devices. Because of the quick introduction of new electronics to the global market, many people discard electronic devices after only a few years of use. The most significant sources of e-waste include...
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As the need to maintain water resources continues to grow, so do the challenges of sustainable water management in aggregate mining operations. Irregularity between mining operations causes contention in dewatering requirements, particularly in the aggregate washing and dewatering processes. However, there are several solutions to...
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Sustainability is increasingly important in everything from manufacturing to construction practices. The materials that are used in construction are now also scrutinized for their environmental impacts and sustainable manufacturing practices. In light of a push for sustainability, concrete recycling has become more common since the 1980s....
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Screen mesh blinding occurs when fines become stuck inside the holes of the screen media. Blinding of mesh prevents other fines from passing through the screen. As a result, efficiency is limited, production is reduced, and time will be needed to clean or replace the...
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Aggregates — such as gravel, sand, or crushed stone — are among the world’s most important building materials. Roughly 60-75% of concrete is comprised of aggregates, and aggregates make up around 90% of paving asphalt. To create strong, stable construction materials, the aggregate used must...
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Sand is an important construction aggregate used in the production of concrete mixes. However, before it can be used for concrete and cement production, sand must meet specific grain size and cleanliness requirements. As concrete mix specifications change, so too must the aggregate used in...
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Vibratory screens are one of the main types of industrial screening equipment. There are several mechanical screening solutions available across the solid waste management, recycling, and aggregate industries; however, vibrating screens offer a number of unique advantages that make them a first-line option for a...
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Construction and demolition (C&D) waste materials are generated in new construction, demolitions, and renovations. C&D materials contribute heavily to the United States waste stream. In fact, the EPA reported that 569 million tons of C&D waste was created in the U.S. in 2017. That’s more...
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