Сравнительное исследование синтеза и структуры наночастиц оксида меди при использовании различных прекурсоров и анализ возможности применение их в качестве адсорбентов

Наночастицы оксида меди были получены пятью золь-гель методами. Сравнительное исследование было выполнено с помощью таких методов, как FTIR, SEMEDX, XRD. На основании анализа результатов выявлено, что пятый метод является более подходящим и дает более точные и правильные результаты. Из данных EDX также установлено, что пятый метод дает более высокие выходы наночастиц оксида меди. Исследована эффективность этих наночастиц в качестве недорогого адсорбента для удаления метиленового синего (МС) из водных растворов. Было изучено влияние различных параметров, таких как количество адсорбента, концентрация красителя, время контакта, рН, температура, на адсорбционную способность и адсорбционное поведение наночастиц в различных условиях. Изучены экспериментальные изотермические данные. Кинетическое исследование адсорбции подчиняется модели псевдопервого порядка. Термодинамические параметры, а именно свободная энергия Гиббса, энтальпия и энтропия, показали, что адсорбция метиленового синего на наночастицах возможна, спонтанна и экзотермична.

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