首页> 外文期刊>Separation and Purification Technology >Kinetics of absorption of carbon dioxide into aqueous solutions of 2-amino-2-hydroxymethyl-1,3-propanediol
【24h】

Kinetics of absorption of carbon dioxide into aqueous solutions of 2-amino-2-hydroxymethyl-1,3-propanediol

机译:2-氨基-2-羟甲基-1,3-丙二醇水溶液中二氧化碳吸收的动力学

获取原文
获取原文并翻译 | 示例
           

摘要

This work presents the kinetics of the reaction of CO2 with aqueous 2-amino-2-hydroxymethyl-1,3-propanediol (AHPD) solutions at 303, 313, and 323 K within the amine concentration range of 0.179-1.789 kmol m~(-3) using a wetted wall column absorber. The reaction was described by zwitterionic mechanism to interpret the kinetic data. The reaction order was found to be in between 1.0 and 1.1 with respect to amine for the above-mentioned concentration range. The kinetic rate parameters were calculated and presented at each experimental condition. The second order rate constants, k2, were obtained as 532.7, 1096, and 2380 m3 kmol~(-1) s~(-1) at 303, 313, and 323 K, respectively with activation energy of 65.2 kJ mol~(-1). A parametric sensitivity analysis was carried out to study the effect of different key system parameters on the rate of CO2 absorption.
机译:这项工作提出了胺在0.179-1.789 kmol m〜(胺)浓度范围内,CO2与2-氨基-2-羟甲基-1,3-丙二醇(AHPD)水溶液在303、313和323 K下反应的动力学。 -3)使用湿式壁柱吸收器。通过两性离子机理描述该反应以解释动力学数据。对于上述浓度范围,相对于胺,发现反应级在1.0至1.1之间。计算动力学速率参数,并在每个实验条件下给出。在303、313和323 K处分别获得532.7、1096和2380 m3 kmol〜(-1)s〜(-1)的二级速率常数k2,活化能为65.2 kJ mol〜(- 1)。进行了参数敏感性分析,以研究不同关键系统参数对CO2吸收率的影响。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号