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首页> 外文期刊>Journal of industrial and engineering chemistry >Evaluation of a rotating packed bed equipped with blade packings for methanol and 1-butanol removal
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Evaluation of a rotating packed bed equipped with blade packings for methanol and 1-butanol removal

机译：评估配有刀片式填料的旋转填料床以除去甲醇和1-丁醇

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摘要

Absorption removal of methanol and 1 -butanol from gaseous streams with water was investigated in the RPB equipped with blade packings. The removal efficiency (E) of methanol and 1 -butanol was found to increase with the RPB speed and the liquid flow rate but decrease with the gas flow rate. Also, the overall volumetric gas-side mass transfer coefficient (K_Ga) for methanol and 1 -butanol absorption was observed to increase with the RPB speed, the gas flow rate, and the liquid flow rate. According to the obtained dependence of K_Ga on the gas and liquid flow rates, the mass transfer in methanol and 1-butanol absorption was observed to be controlled primarily by the gas-side mass transfer. Furthermore, the height of a transfer unit (HTU) for methanol and 1 -butanol absorption decreased with the RPB speed and the liquid flow rate but increased with the gas flow rate. The obtained results demonstrated that mass transfer efficiency of the RPB equipped with blade packing was comparable to that of a hollow fiber absorber. Consequently, the RPB equipped with blade packings has a great potential in the removal of alkanols from the exhausted gases.
机译：在装有叶片填料的RPB中研究了用水从气流中吸收去除甲醇和1-丁醇的过程。发现甲醇和1-丁醇的去除效率（E）随RPB速度和液体流量的增加而增加，但随气体流量的增加而降低。同样，观察到甲醇和1-丁醇吸收的总体积气体侧传质系数（K_Ga）随RPB速度，气体流速和液体流速而增加。根据所获得的K_Ga对气体和液体流速的依赖性，观察到甲醇中的传质和1-丁醇的吸收主要受气体侧传质控制。此外，用于甲醇和1-丁醇吸收的转移单元（HTU）的高度随RPB速度和液体流速降低，但随气体流速升高。所得结果表明，装有叶片填料的RPB的传质效率与中空纤维吸收剂的传质效率相当。因此，配备有叶片填料的RPB在从废气中去除链烷醇方面具有很大的潜力。

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