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Comment Business & Economics

A push for advanced cellulose-ethanol technology

By Gerald Ondrey |

The ChemPro Group, LLC (Boonton, N.J.; www.thechemprogroup.com) and Mo-Fuel (Rural Bio-waste; Sikeston, Missouri), have formed an alliance to commercialize a patented process that will economically and efficiently produce ethanol from cellulose feedstocks. According to Steve Lavorerio, president of ChemPro, the process can handle a full spectrum of cellulosic feedstock, from wood chips and pulp-and-paper-plant byproducts to corn stover, rice straw, grass, and even municipal waste. “The process is unique,” says Ted Lewis, president and owner of Mo-Fuel (Rural Bio-waste) and holder of the patent rights. “According to an independent study done by the U.S. Dept of Energy, the process has the potential for considerable economic savings, as well as reducing the U.S.’s dependence on foreign oil.”   “The process, which lends itself to modular construction, is also economical as an add-on to existing corn ethanol plants,” says Lavorerio. “It can process the low-value waste product with the potential to increase yields of ethanol by 15% and improve the value of by-products by 50%.”   The technology, a continuous catalytic hydrolysis, produces a high conversion of biomass feedstock…
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PTA production: Lowering OPEX without compromising on quality

A paper that looks at how the earlier PTA production method involving a multi-stage process with pressure and atmospheric centrifuges and a re-slurry tank can be replaced with one stand-alone device – the rotary pressure filter (RPF).

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