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Closed Loop Extraction
The biggest benefit of closed-loop extraction is that it offers a method of working with flammable (and explosive) materials with equipment that has no openings for the solvents to escape or leak through. This is especially important when working with pressurized liquids that become gaseous in the absence of pressure. Closed-loop systems deliver two important benefits for extract artists: first, allowing them to reuse their chemical solvents, which means less waste and more money saved; and, second, significantly reducing the risk of explosion, because the system is extremely well-sealed.