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An emissions-free recycling machine that converts auto scrap into fuel

By Chemical Engineering |

Global Resource Corp. (GRC; West Berlin, N.J.; edlinks.chemengonline.com/6897-534) is commercializing a technology that converts auto shredder residue (ASR) into combustible gases, liquid fuels and scrap metal using microwaves. The use of microwaves to achieve this goal has been attempted in the past, but GRC is one of the first to succeed at an economically viable level, says GRC’s chief engineer Hawk Hogan. Unil now, the technology was kept in house for research and development, but last month GRC sold its first commercial Hawk-10 (high-frequency, attenuating-wave kinetics) unit to Gershow Recycling (Long Island, N.Y.), which will use it to recycle ASR. ASR — a product of the scrap industry containing plastics, rubber, wood, paper, fabrics, glass, sand and metals — is normally landfilled. The Hawk 10 will allow Gershow to recover more metal from materials that were difficult to scrap in the past, allowing them to reduce landfill waste by 65%. In practice, Hawk 10 uses microwaves of a specific, patent-pending frequency to “excite” hydrocarbons (HCs) in the ASR. This selective heating — the same principle used by household microwave ovens, which heat food by “exciting” water molecules…
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