The heat balance of butadiene extraction unit by acetonitrile is analyzed, and Suggestions for reducing energy consumption of butadiene extraction unit are pro - posed.
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文章介绍了铝工业存在的主要问题，对其进行了分析，提出了节能降耗的具体措施和建议。
This paper introduced the chief problems in aluminium industry analysing and specific measures of energy saving and consumption in this field were also given.
The achievements of the past 20 years in energy conservation in China's oil refining industry are reviewed, and the gap in energy efficiency with the worlds advanced level is identified.
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