АНАЛИЗ МЕТОДОВ ОПРЕДЕЛЕНИЯ АКТИВНОСТИ КАТАЛИЗАТОРОВ НИЗКОТЕМПЕРАТУРНОЙ КОНВЕРСИИ МОНООКСИДА УГЛЕРОДА ВОДЯНЫМ ПАРОМ В ЛАБОРАТОРНЫХ УСЛОВИЯХ
Аннотация
В работе представлен обзор методов и условий испытаний медь-цинк-алюминиевых (CuO/ZnO/Al2O3) катализаторов, применяемых в процессах конверсии моноок-сида углерода. Проанализированы литературные источники, касающиеся условий проведения данных процессов и способов оценки каталитической активности. Анализ показал, что на-блюдаются значительные различия в подходах к проведению экспериментов. Различные на-учные группы проводят исследования при существенно отличающихся параметрах: условия восстановления катализатора, состав реакционных газовых смесей, температура проведе-ния процесса и т.д. В работе представлены некоторые варианты определения активности и соответствующие им условия испытаний. Показано, что в настоящее время отсутствует единая методика, позволяющая оценивать активность и селективность катализаторов. На основании анализа промышленных условий ведения процесса и данных литературы предло-жены параметры лабораторных испытаний каталитической активности низкотемпера-турного катализатора в процессе конверсии оксида углерода водяным паром, которые могут способствовать стандартизации методик испытаний.
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