Sustainable wastewater treatment by RO and hybrid organic polyamide membrane nanofiltration system for clean environment

One of the environmental pollution is happened by the discharge of industrial wastewater that needs to be adequately filtered. Given that the effluent from the leather industry contains high levels of chromium, heavy metals, lipids, and Sulphur, it is one of the wastewater disposals that are most da...

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Bibliographic Details
Published in:Chemosphere (Oxford) 2023-10, Vol.337, p.139336-139336, Article 139336
Main Authors: Saravanan, R., Sathish, T., Sharma, Kamal, Rao, A. Venkateswara, Sathyamurthy, Ravishankar, Panchal, Hitesh, Abdul Zahra, Musaddak Maher
Format: Article
Language:English
Subjects:
Environmental
Filtration
Membranes, Artificial
Nanofiltration
Nylons
Osmosis
Sustainable
Thin film
Waste Disposal, Fluid
Wastewater
Wastewater treatment
Water Purification
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Summary:One of the environmental pollution is happened by the discharge of industrial wastewater that needs to be adequately filtered. Given that the effluent from the leather industry contains high levels of chromium, heavy metals, lipids, and Sulphur, it is one of the wastewater disposals that are most damaging. This experimental study focuses on reverse osmosis and hybrid organic polyimide membrane for nanofiltration for sustainable wastewater treatment. In the RO and organic polyamide Nano-porous membranes, a thin film of polyamide membrane was used for efficient filtration. Taguchi analysis optimized process parameters such as pressure, temperature, pH, and volume reduction factor. The outcome shows an 89% reduction in total wastewater hardness, an 88% reduction in sulfate, and an 89% efficiency reduction in COD. As a result, the proposed technology significantly increased filtration efficiency. [Display omitted] •Achieved effective filtration of wastewater with a thin film polyamide and organic polyamide Nano porous membranes.•Optimized operating parameters of pressure, temperature, pH, and Volume Reduction Factor by Taguchi analysis.•Reduction of total hardness 89%, sulphate reduction 88% and COD removal efficiency 89% were achieved.
ISSN:0045-6535
1879-1298
DOI:10.1016/j.chemosphere.2023.139336