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Energy and Water Optimization in Biofuel Plants 被引量:5

Energy and Water Optimization in Biofuel Plants
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摘要 In this paper we address the topic of energy and water optimization in the production of bioethanol from corn and switchgrass. We show that in order for these manufacturing processes to be attractive,there is a need to go beyond traditional heat integration and water recycling techniques. Thus,we propose a strategy based on mathe-matical programming techniques to model and optimize the structure of the processes,and perform heat integration including the use of multi-effect distillation columns and integrated water networks to show that the energy effi-ciency and water consumption in bioethanol plants can be significantly improved. Specifically,under some circum-stances energy can even be produced and the water consumption can be reduced below the values required for the production of gasoline. In this paper we address the topic of energy and water optimization in the production of bioethanol from corn and switchgrass. We show that in order for these manufacturing processes to be attractive,there is a need to go beyond traditional heat integration and water recycling techniques. Thus,we propose a strategy based on mathe-matical programming techniques to model and optimize the structure of the processes,and perform heat integration including the use of multi-effect distillation columns and integrated water networks to show that the energy effi-ciency and water consumption in bioethanol plants can be significantly improved. Specifically,under some circum-stances energy can even be produced and the water consumption can be reduced below the values required for the production of gasoline.
出处 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2010年第6期914-922,共9页 中国化学工程学报(英文版)
基金 the Center for Advanced Process Decision-making at Carnegie Mellon University and NSF Grant CBET096654
关键词 BIOETHANOL water networks energy optimization mathematical programming 生物质能源 水资源 优化 回收利用技术 生物乙醇 生产订单 编程技术 综合网络
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