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Study on a novel operation of dynamic-accumulation batch distillation

Peng Bai

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Abstract

A novel operation mode by reflux at bottom was put forward based on the theory of the dynamic-accumulation batch distillation.1-propanol-isopropanol mixture as the separated system,compared with the conventional dynamic-accumulation distillation in energy saving was studied.The results show that the novel operation mode can reduce the operating time with the purity of isopropanol over 85% on the top of column,and energy consumption was saved by 17%-33%.At the same time,the yield percentage of product recovery increased by 1.5%-2.2%.

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What this paper is about

A novel operation mode by reflux at bottom was put forward based on the theory of the dynamic-accumulation batch distillation.1-propanol-isopropanol mixture as the separated system,compared with the conventional dynamic-accumulation distillation in energy saving was studied.The results show that the novel operation mode can reduce the operating time with the purity of isopropanol over 85% on the top of column,and energy consumption was saved by 17%-33%.At the same time,the yield percentage of product recovery increased by 1.5%-2.2%.

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Available abstract

A novel operation mode by reflux at bottom was put forward based on the theory of the dynamic-accumulation batch distillation.1-propanol-isopropanol mixture as the separated system,compared with the conventional dynamic-accumulation distillation in energy saving was studied.The results show that the novel operation mode can reduce the operating time with the purity of isopropanol over 85% on the top of column,and energy consumption was saved by 17%-33%.At the same time,the yield percentage of product recovery increased by 1.5%-2.2%.

Key concepts: Batch distillation, Fractional distillation, Process engineering, Distillation, Yield (engineering), Energy consumption, Chemistry, Continuous distillation

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