{"title":"Photocatalytic oxidative removal of the organic pollutant from wastewater using recyclable Ag2O@CRA heterojunction photocatalyst","authors":"Abdelmoneim S. Adday, Sama M. Al-Jubouri","doi":"10.1016/j.cscee.2024.100852","DOIUrl":null,"url":null,"abstract":"<div><p>The extracted ash from common water reeds locally available in Iraq was used as a cost-effective silica source for single-step synthesis of a heterojunction photocatalyst (Ag<sub>2</sub>O@CRA) combining 9.75 % Ag<sub>2</sub>O and a surface area of 99.849 m<sup>2</sup>/g. The Ag<sub>2</sub>O@CRA photocatalyst was used to investigate methylene blue (MB) degradation which was eliminated at an initial MB concentration of 20 mg/L, Ag<sub>2</sub>O@CRA dose of 0.1g/100 mL, pH of 7 after 60 min at visible light. This photocatalyst displayed excellent stability after five cycles with more than 91 % removal of MB dye. The <sup>⦁</sup>OH was the main radical involved in the MB degradation.</p></div>","PeriodicalId":34388,"journal":{"name":"Case Studies in Chemical and Environmental Engineering","volume":"10 ","pages":"Article 100852"},"PeriodicalIF":0.0000,"publicationDate":"2024-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666016424002469/pdfft?md5=7908047e7318ef8a14931f996dc2b299&pid=1-s2.0-S2666016424002469-main.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Case Studies in Chemical and Environmental Engineering","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2666016424002469","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"Environmental Science","Score":null,"Total":0}
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Abstract
The extracted ash from common water reeds locally available in Iraq was used as a cost-effective silica source for single-step synthesis of a heterojunction photocatalyst (Ag2O@CRA) combining 9.75 % Ag2O and a surface area of 99.849 m2/g. The Ag2O@CRA photocatalyst was used to investigate methylene blue (MB) degradation which was eliminated at an initial MB concentration of 20 mg/L, Ag2O@CRA dose of 0.1g/100 mL, pH of 7 after 60 min at visible light. This photocatalyst displayed excellent stability after five cycles with more than 91 % removal of MB dye. The ⦁OH was the main radical involved in the MB degradation.
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