负载co2的双(3-氨基丙基)胺及其与2-氨基-2-甲基-1-丙醇混合物的物理化学特性

IF 2.1 3区 工程技术 Q3 CHEMISTRY, MULTIDISCIPLINARY
Mehul Darji, Chetna Shukla, Sukanta K. Dash* and Kalisadhan Mukherjee*, 
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引用次数: 0

摘要

从工业废气中去除二氧化碳是至关重要的,通常通过使用新配制的溶剂进行化学吸收来实现。在二氧化碳吸收过程中,碳酸溶液的密度和粘度是选择有效溶剂的关键物理化学性质。在这项工作中,双(3-氨基丙基)胺(APA)及其与2-氨基-2-甲基-1-丙醇(AMP)的混合物被认为是CO2捕获过程中有前途的吸收剂。在303.25-328.25 K的温度范围和不同CO2浓度的气体吸收条件下,测定了CO2负载的APA和APA + AMP混合物的新实验密度和粘度数据。利用热力学模型对负载co2的APA和APA- amp溶剂体系的密度和粘度进行了关联,并在研究的温度范围内确定了不同含水碳酸溶剂组成的参数。模拟结果表明,三元体系(APA + H2O + CO2)的密度与模型结果的平均绝对偏差百分比(% AADs)为0.03,四元体系(APA + AMP + H2O + CO2)的密度平均值为0.13。实验数据与模型数据的AADs分别为0.88和2.97。所获得的结果为开发高效二氧化碳捕获应用的胺基溶剂提供了有价值的见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Physicochemical Characteristics for CO2-Loaded Aqueous Bis(3-aminopropyl)amine and Its Mixture with 2-Amino-2-methyl-1-propanol

Physicochemical Characteristics for CO2-Loaded Aqueous Bis(3-aminopropyl)amine and Its Mixture with 2-Amino-2-methyl-1-propanol

Removal of CO2 from industrial exhaust gas is vital and is commonly achieved by using chemical absorption with newly formulated solvents. The density and viscosity of carbonated solutions are critical physicochemical properties for selecting an efficient solvent in the CO2 absorption processes. In this work, aqueous bis(3-aminopropyl)amine (APA) and its mixture with 2-amino-2-methyl-1-propanol (AMP) are considered to be promising absorbents for the CO2 capture process. New experimental density and viscosity data for CO2-loaded APA and APA + AMP mixtures were determined over a temperature range of 303.25–328.25 K and different CO2 concentrations pertaining to the gas absorption condition. The density and viscosity of the CO2-loaded APA and APA-AMP solvent systems were correlated using thermodynamics models, with parameters determined for different aqueous carbonated solvent compositions across the studied temperature range. The modeling results show that the percentage average absolute deviations (% AADs) between the experimental and model results of density were 0.03 for the ternary system (APA + H2O + CO2) and 0.13 for the quaternary system (APA + AMP + H2O + CO2). The % AADs between experimental and model viscosity data are 0.88 and 2.97, respectively. The obtained results provide valuable insights into the development of amine-based solvents for efficient CO2 capture applications.

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来源期刊
Journal of Chemical & Engineering Data
Journal of Chemical & Engineering Data 工程技术-工程:化工
CiteScore
5.20
自引率
19.20%
发文量
324
审稿时长
2.2 months
期刊介绍: The Journal of Chemical & Engineering Data is a monthly journal devoted to the publication of data obtained from both experiment and computation, which are viewed as complementary. It is the only American Chemical Society journal primarily concerned with articles containing data on the phase behavior and the physical, thermodynamic, and transport properties of well-defined materials, including complex mixtures of known compositions. While environmental and biological samples are of interest, their compositions must be known and reproducible. As a result, adsorption on natural product materials does not generally fit within the scope of Journal of Chemical & Engineering Data.
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