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首页> 外文期刊>ISIJ international >Correlation between Liquid/liquid and Gas/liquid Mass Transfers in a Top/Bottom Blowing Converter
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Correlation between Liquid/liquid and Gas/liquid Mass Transfers in a Top/Bottom Blowing Converter

机译：顶部/底部吹气转化器中液体/液体和气体/液体传质之间的相关性

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摘要

In this study, a calculation procedure of gas/liquid mass transfer capacity coefficients based on liquid/ liquid ones was developed and cold model studies on benzoic acid transfer between water and liquid paraffin, and oxygen transfer among water, liquid paraffin and air was carried out under various top/bottom blowing rates and liquid/liquid volume ratios. The liquid/liquid mass transfer rate increased with the increase in a top blowing rate, but the increasing rate of a larger vessel diameter to the top blowing rate was lower than that of a smaller one. The gas/liquid mass transfer rate increased with the increase in both of top and bottom blowing rates, but the difference became reduced with the increase in the top blowing rate. The bottom blowing rate to minimize the sum of the top and bottom gas flow rates was almost constant for a given gas/liquid or liquid/liquid mass transfer rate. The liquid/liquid mass transfer rate increased and the gas/liquid one decreased with the increase in liquid paraffin volume ratio to water. There was a roughly positive correlation between the liquid/liquid and gas/liquid mass transfer rates throughout a wide range of top and bottom blowing rates, but the tendency was the opposite under the condition of the same paraffin volume and total blowing rate.
机译：本研究开发了一种基于液/液传质系数的气/液传质系数计算程序，并进行了水与液状石蜡之间苯甲酸转移，水，液状石蜡与空气之间氧气转移的冷模型研究。在各种顶/底吹气速率和液/液体积比下液体/液体传质速率随着顶部吹出速率的增加而增加，但是较大的容器直径相对于顶部吹出速率的增加速率小于较小的容器。气/液传质速率随着顶部和底部吹气速率的增加而增加，但是差异随着顶部吹气速率的增加而减小。对于给定的气体/液体或液体/液体传质速率，使顶部和底部气体流速之和最小的底部吹气速率几乎恒定。随着液体石蜡与水的体积比增加，液/液传质速率增加而气/液传质速率降低。在整个顶部和底部吹气速率范围内，液体/液体和气体/液体传质速率之间存在大致正相关关系，但是在相同石蜡体积和总吹气速率的条件下，这种趋势是相反的。

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  • 来源
    《ISIJ international》 |2017年第2期|296-303|共8页
  • 作者

    Yuho KAWABE; Md. Azhar UDDIN; Yoshiei KATO; Min Oh SEOK; Sang Beom LEE;

  • 作者单位

    Formerly Department of Material and Energy Science, Graduate School of Environmental and Life Science, Okayama Uni-versity. Now at Chusei Oil Co., Ltd., 8252-8, Otoshima, Tamashima, Kurashiki, 713-8103 Japan;

    Department of Material and Energy Science, Graduate School of Environmental and Life Science, Okayama University, 1-1 Tsushima-naka, 3-chome, Kita-ku, Okayama, 700-8530 Japan;

    Department of Material and Energy Science, Graduate School of Environmental and Life Science, Okayama University, 1-1 Tsushima-naka, 3-chome, Kita-ku, Okayama, 700-8530 Japan;

    Technical Research Laboratories, Pohang Research Lab., POSCO, 1, Goedong-dong, Nam-gu, Pohang, Gyeongbuk, Pohang P.O. Box 36, 790-300 Korea;

    Technical Research Laboratories, Pohang Research Lab., POSCO, 1, Goedong-dong, Nam-gu, Pohang, Gyeongbuk, Pohang P.O. Box 36, 790-300 Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    liquid/liquid mass transfer; gas/liquid mass transfer; top/bottom blowing converter;

    机译：液/液传质气/液传质上下吹气转换器;

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