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Integrated e-waste processing facility nears completion

By Mary Page Bailey |

Although it contains many valuable metals, electronic waste (e-waste) is an exceedingly difficult material stream to process, and the vast majority of e-waste is not recycled. EnviroLeach Technologies Inc. (Vancouver, B.C.; www.enviroleach.com) is currently preparing to start up a first-of-its-kind integrated processing facility in Vancouver that combines advanced separation technologies with proprietary chemistry to process up to 20 ton/d of e-waste. The process uses a novel equipment arrangement that includes a vacuum belt filter for solid-liquid separation, optical sorting and a leaching circuit to maximize recovery of several valuable product streams from e-waste. EnviroLeach’s technology runs at ambient conditions and a neutral pH, with zero effluent water and no landfill waste, while exhibiting comparable recovery rates to traditional e-waste processing methods, says the company. Furthermore, e-waste dismantling is simplified, when compared to other processing methods, as the end-to-end process can handle any type of printed circuit board, as well as complete components, including modems and power supplies. “We can actually take a whole cable box and shred it, separating the steel first and removing the plastic casing. Then…
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