Which Aquatic plant is used for sewage treatment?
Aquatic plants have been used for centuries as a natural way to treat sewage water. One such plant that is commonly used in sewage treatment is the Water Hyacinth (Eichhornia crassipes). This aquatic plant is known for its ability to purify water and has been used in many countries around the world as a natural means of wastewater treatment.
In this blog, we will explore how Water Hyacinths work to treat sewage water and why they are such an effective solution.
Function of Water Hyacinth in Sewage Treatment
Water Hyacinth is a fast-growing aquatic plant that has a unique ability to absorb nutrients and pollutants from the water. When used in sewage treatment, the plant acts as a filter, removing organic and inorganic pollutants, as well as heavy metals from the wastewater. Water Hyacinths also help to oxygenate the water, which is essential for the survival of aerobic bacteria that break down organic matter.
Working Process of Water Hyacinth in Sewage Treatment
The working process of Water Hyacinth in sewage treatment is a natural one. As the plant grows, its roots and leaves absorb pollutants from the water, including nutrients such as nitrogen and phosphorus. These nutrients are then used by the plant for growth and reproduction. Water Hyacinth can absorb large quantities of pollutants from the water, with studies showing that the plant can remove up to 90% of the nutrients present in wastewater.
In addition to nutrient removal, Water Hyacinth also helps to remove organic matter from the water. The plant absorbs and breaks down organic matter, which is then used as a source of energy for the plant. The process of organic matter breakdown is facilitated by the bacteria that live in and around the plant. These bacteria help to break down the organic matter into simpler compounds that can be easily absorbed by the plant.
Water Hyacinth also plays a crucial role in oxygenating the water. As the plant photosynthesizes, it releases oxygen into the water, which is essential for the survival of aerobic bacteria. These bacteria break down organic matter into simpler compounds, such as carbon dioxide and water, which are then absorbed by the plant. Without oxygen, anaerobic bacteria would dominate the treatment process, producing methane and other gases that are harmful to the environment.
Conclusion
Water Hyacinth is a highly effective means of treating sewage water. The plant's ability to absorb nutrients and pollutants from the water, remove organic matter, and oxygenate the water make it an ideal solution for wastewater treatment. Moreover, Water Hyacinth is a natural and environmentally friendly solution that does not require the use of chemicals or energy-intensive processes. Its effectiveness in wastewater treatment has made it a popular choice in many countries around the world, especially in developing countries where access to advanced wastewater treatment technologies is limited.
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