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Jul 21, 2019
12:46PM

Researchers develop an eco-friendly process to remove pollutants from water

AIR
Researchers have developed a wastewater treatment process that uses a common agricultural byproduct to effectively remove pollutants and environmental hormones, known as endocrine disruptors.

The sewage and wastewater that are inevitably produced at any industrial worksite often contain large quantities of pollutants and environmental hormones.

Because environmental hormones do not break down easily, they can have a significant negative effect on not only the environment but also the human body. To prevent this, a means of removing environmental hormones are required.

According to the study, the performance of the catalyst that is currently being used to process sewage and wastewater drops significantly with time. Because high efficiency is difficult to achieve given the conditions, the biggest disadvantage of the existing process is the high cost involved. 

Furthermore, the research done thus far has mostly focused on the development of single-substance catalysts and the enhancement of their performance. Little research has been done on the development of eco-friendly nanocomposite catalysts that are capable of removing environmental hormones from sewage and wastewater.

The research team utilised biochar, which is eco-friendly and made from agricultural byproducts, to develop a wastewater treatment process that effectively removes pollutants and environmental hormones. The team used rice hulls, which are discarded during rice harvesting, to create something eco-friendly and economical, biochar.

The surface of the biochar was coated with nano-sized manganese dioxide to create a nanocomposite. The high efficiency and low cost of the biochar-nanocomposite catalyst are based on the combination of the advantages of the biochar and manganese dioxide.

The catalyst developed through this study makes use of a common agricultural byproduct. Researchers hope that additional research on alternative substances will lead to the development of catalysts derived from various types of organic waste biomass. 
 

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