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A Critical Review of Green Approach on Wastewater Treatment Strategies
Summary
This critical review examines green approaches to wastewater treatment that aim to be both sustainable and environmentally friendly. The study surveys energy-efficient treatment technologies developed between 2015 and 2023, highlighting methods that reduce the environmental footprint compared to conventional wastewater treatment processes.
Green approach on wastewater treatment strategies aims to promote sustainable and environmentally friendly methods for treating wastewater while also reducing the environmental impact of traditional wastewater treatment processes. Hence, the objective of this paper was to undertake a critical review of green approach on wastewater treatment strategies using standard techniques of harvesting data from secondary sources from 2015 to 2023. Information obtained reveals that energy-efficient treatment technologies, such as anaerobic digestion and membrane bioreactors, use less energy than traditional treatment technologies. Treating wastewater for reuse can reduce the demand for freshwater resources and the energy required for water treatment. Onsite wastewater treatment systems, such as septic systems and composting toilets, can reduce the amount of wastewater that needs to be transported and treated at centralized facilities. Incorporating green infrastructure, such as rain gardens and permeable pavement, into urban areas can help reduce the amount of stormwater runoff that enters the wastewater treatment system. Extracting nutrients, such as nitrogen and phosphorus, from wastewater can be used as a fertilizer for crops, reducing the need for synthetic fertilizers. Overall, these green wastewater treatment strategies aim to reduce the energy consumption, chemical usage, and environmental impact of traditional wastewater treatment processes, while promoting sustainable and efficient use of resources.
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