Froth Formation in Yamuna

Froth Formation in Yamuna

News: The visuals of devotees taking a dip in the froth-filled waters of the Yamuna River sent chills down the spine of the residents of Delhi.

What is Froth Formation?
• This is a phenomenon that takes place on many lakes and streams.
• Foam bubbles are produced when organic matter decomposes.
• These foam-producing molecules have one end that repels water and another that attracts water and they work to reduce the surface tension on the surface of the water.
• These foam bubbles are lighter than water, so they float on the surface as a thin film that gradually accumulates.
• The presence of phosphates and surfactants in untreated sewage from Delhi, Haryana and Uttar Pradesh is a major reason behind frothing.
• While these two components comprise of 1 per cent, the remaining 99 percent is air and water.
• Sources include:
Untreated sewage may contain soap-detergent particles.
The other sources are industrial effluents, organic matter from decomposing vegetation, and the presence of filamentous bacteria.
The pollution from the sugar and paper industries in Uttar Pradesh also causes pollution in the Yamuna.
• Short-term exposure can lead to skin irritation and allergies.If ingested, these chemicals may cause gastrointestinal problems and diseases like typhoid.Long-term exposure to heavy metals in industrial pollutants can cause neurological issues and hormonal imbalances. 

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