Mono-ethanolamine breakdown by UV/hydrogen peroxide via MEA photolysis: kinetics, energy rate/order and degradation efficiency for mono-ethanolamine wastewater treatment
Atif Khan, Saima Yasin, Hamayoun Mahmood, Tanveer Iqbal
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引用次数: 0
Abstract
The ultraviolet light combined with hydrogen peroxide (UV/H2O2) was applied to break down mono-ethanolamine (MEA) in an aqueous solution. The coupled UV/H2O2 advanced oxidation process (AOP) was primarily responsible for the breakdown of MEA, with pseudo-first-order reaction kinetics. It was discovered that the reaction factors like MEA and H2O2 initial dosages affected reaction rates and MEA removal efficiency. The maximum removal efficiency was determined to be 77.35%. The hydroxyl ion (•OH) radical is primarily accountable for breaking down MEA in an aqueous environment. The energy consumed per reaction order calculations are performed by considering of the concentration factor of maximum degradation, in conjunction with the intensity of UV light. Overall, this work provides useful kinetic data that may be applied to the creation of an effective remediation strategy for MEA effluents.
紫外线和过氧化氢（UV/H2O2）被用来分解水溶液中的单乙醇胺（MEA）。紫外线/过氧化氢耦合高级氧化过程（AOP）是分解 MEA 的主要过程，其反应动力学为假一阶反应。研究发现，MEA 和 H2O2 初始剂量等反应因素会影响反应速率和 MEA 去除效率。经测定，最大去除率为 77.35%。在水环境中，羟基离子 (-OH) 自由基主要负责分解 MEA。在计算每个反应阶次所消耗的能量时，考虑了最大降解浓度因子和紫外线强度。总之，这项研究提供了有用的动力学数据，可用于制定有效的 MEA 污水修复策略。
期刊介绍：
The Brazilian Journal of Chemical Engineering is a quarterly publication of the Associação Brasileira de Engenharia Química (Brazilian Society of Chemical Engineering - ABEQ) aiming at publishing papers reporting on basic and applied research and innovation in the field of chemical engineering and related areas.
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