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Amrit Technology for Arsenic and Metal Removal

By Amigos IAS

Why is it in the news?

  • IIT-Madras has developed a technology named ‘AMRIT’ (Arsenic and Metal Removal by Indian Technology).

More about the Technology

  • Utilizes nano-scale iron oxy-hydroxide.
  • Selectively removes arsenic and metal ions when water passes through it.
  • Aims to address the removal of arsenic and metal ions from water sources.
  • Aligns with the Government of India’s goal under the Jal Jeevan Mission to provide a safe and adequate water supply.


Jal Jeevan Mission

·       Launched in 2019 under the Ministry of Jal Shakti.

·       Aims to create water supply infrastructure for rural households, ensuring every household has Functional Tap Connection (FHTC) by 2024.

·       Focus Areas: Recharge and reuse through grey water management; Water conservation initiatives; and Rainwater harvesting to ensure sustainable water supply.


Arsenic (As)

·       Naturally occurring trace element found in many minerals, usually in combination with sulphur and metals.

·       Highly toxic in its inorganic form.

·       Long-term exposure linked to cancer, skin lesions, cardiovascular diseases, and diabetes.

·       In-utero and early childhood exposure linked to negative impacts on cognitive development and increased deaths in young adults.

·       In Taiwan, arsenic exposure linked to “Blackfoot disease,” a severe vascular disease leading to gangrene.

·       World Health Organization’s provisional guideline value for arsenic in drinking water: 0.01 mg/l (10 μg/l).

·       India’s permissible limit in the absence of an alternative source: 0.05 mg/l (50 μg/l).

·       Arsenic in groundwater first reported in 1980 in West Bengal, India.

·       Maximum number of arsenic-affected habitations exists in the Ganga and Brahmaputra alluvial plains.

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