THE SOLUBILITY OF CO_2 IN MIXED SOLVENTOF PROPYLENE CARBONATE WITH METHYLDIETHANOLAMINE AND WATER

乐清华; 涂晋林; 施亚钧

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THE SOLUBILITY OF CO_2 IN MIXED SOLVENTOF PROPYLENE CARBONATE WITH METHYLDIETHANOLAMINE AND WATER

更新时间：2025-12-16

- THE SOLUBILITY OF CO_2 IN MIXED SOLVENTOF PROPYLENE CARBONATE WITH METHYLDIETHANOLAMINE AND WATER
- CIESC Journal Issue 5, (1993)
- 作者机构：
  
  华东化工学院化学工程研究所,华东化工学院化学工程研究所,华东化工学院化学工程研究所上海200237,上海200237,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 October 1993，
  
  Published：25 October 1993
- 稿件说明：
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乐清华, 涂晋林, 施亚钧. THE SOLUBILITY OF CO_2 IN MIXED SOLVENTOF PROPYLENE CARBONATE WITH METHYLDIETHANOLAMINE AND WATER[J]. CIESC Journal, 1993, (5).
DOI：

乐清华, 涂晋林, 施亚钧. THE SOLUBILITY OF CO_2 IN MIXED SOLVENTOF PROPYLENE CARBONATE WITH METHYLDIETHANOLAMINE AND WATER[J]. CIESC Journal, 1993, (5). DOI：

摘要

近年来，为解决碳酸丙烯酯（Propylene Carbonate简称丙碳）脱除 C风工艺中出现的脱碳净化度低、溶剂循环量大、设备腐蚀严重等问题而相继开发了多种改型丙碳复合溶剂，其中作者等人研制的由丙碳和适量的叔胺（MDEA）、水构成的混合溶剂，不仅脱碳性能明显优于丙碳，而且有效地解决了设备腐蚀问题。本文研究了CO。在此混合溶剂中的溶解度与温度和压力的关系。

Abstract

The solubility of CO2 in a mixed solvent of propylene carbonate (P.C.) with methyldiethanolamine (MDEA) and water was measured at CO2 partial pressure of one atm within the temperature range of 10- 35℃ and at 25℃ over a wide range of CO2 partial pressures. The effect of the miscibihty of P.C. and water in the mixed solvent on the solubility of CO2 was investigated. As a result

immiscible mixed solvent shows significant improvement in absorption of CO2

which can be explained by the chemical equilibrium theory. Appropriate compounding of mixed solvents was determind.

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