Based on cellulosic feedstock characteristic and key issues related to conversion process and product engineering, the concept of biobased product process engineering is proposed.

本工作从生物质的原料特点、转化过程和产品工程关键问题入手，综合多学科知识，提出了生物基产品过程工程这一理念。

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The desulfurization conversion of the feedstock diesel, diesel yield and gasoline yield can be got, and the optimum operation parameters can be chosen by the model.

该模型能够给定原料柴油的脱硫转化率、柴油的收率和汽油的收率，并能选取最佳操作条件。

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However, early efforts to manufacture MES resulted in products with high color and low conversion of methyl ester(ME)feedstock to MES.

但是，早期研究脂肪酸甲酯磺酸盐生产的成果不理想，产品色泽深，从原料甲酯（ME）到MES的收率也低。

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All of these cleantech companies are building not geographic monopolies for which few alternatives exist, but commodity conversion businesses, whose economic viability is exquisitely sensitive to shifts in both feedstock prices and energy alternatives across global markets.

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