Photocatalytic-based Titanium Dioxide and Its Application in Reducing Organic Pollutant of River Water

KnE Engineering Pub Date : 2024-03-07 DOI:10.18502/keg.v6i1.15457

Fisca Dian Utami, Paulina Mutiara Latuheru, Yulia Puspita Sari, Noor Sulistiyono, Handika Dany Rahmayanti, Dui Yanto Rahman, Indah Rosidah Maemunah

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Abstract

The Indonesian region of Sumatra has many rivers, and several of them are currently polluted by household and industrial wastes. Due to this, the river water looks cloudy and not clear. An easy method is needed to reduce the impact of this organic waste pollution. Photocatalysts are known for their ability to destroy organic pollutants which are environmentally friendly, cheap, and have the potential to be widely developed on a large scale. The principal mechanism of photocatalyst are generating the hydroxyl radicals (OH), which act as strong oxidants to mineralize organic contaminants. These principal photocatalyst mechanism includes the generation of hydroxyl radicals (OH), which act as strong oxidants to mineralize organic contaminants. A handy sprayimmobilization method of TiO2 powders on the solid plastic buffer has been utilized in a destroying effluent system. The photocatalytic activity of the TiO2-immobilized transparent plastic were evaluated by the degradation of organic contaminant under sunlight irradiation. The titania catalyst have the most potential destroying impact of about 98% after 10 days of sun irradiation. This investigation proved the potential of titanium oxide in handling organic waste in rivers. Keywords: titanium dioxide, photocatalytic, water treatment, river

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光催化二氧化钛及其在减少河水有机污染物中的应用

印度尼西亚苏门答腊岛地区有许多河流，其中有几条河流目前受到家庭和工业废物的污染。因此，河水看起来浑浊不清。需要一种简便的方法来减少这种有机废物污染的影响。光催化剂以其破坏有机污染物的能力而闻名，它对环境友好，价格低廉，具有大规模广泛开发的潜力。光触媒的主要机理是产生羟基自由基（OH），羟基自由基是一种强氧化剂，可将有机污染物矿化。这些光催化剂的主要机理包括产生羟基自由基（OH），羟基自由基可作为强氧化剂矿化有机污染物。在破坏性污水处理系统中采用了一种简便的喷雾固定方法，将二氧化钛粉末固定在固体塑料缓冲器上。通过在阳光照射下降解有机污染物，对二氧化钛固定化透明塑料的光催化活性进行了评估。经过 10 天的阳光照射后，二氧化钛催化剂对有机污染物的潜在降解率达到 98%。这项研究证明了氧化钛在处理河流中有机废物方面的潜力。关键词：二氧化钛、光催化、水处理、河流

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KnE Engineering

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