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Amrit Technology for Arsenic and Metal Removal


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

路聽聽聽聽聽聽 Launched in 2019 under the Ministry of Jal Shakti.

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

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

 

Arsenic (As)

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

路聽聽聽聽聽聽 Highly toxic in its inorganic form.

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

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

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

路聽聽聽聽聽聽 World Health Organization鈥檚 provisional guideline value for arsenic in drinking water: 0.01 mg/l (10 渭g/l).

路聽聽聽聽聽聽 India’s permissible limit in the absence of an alternative source: 0.05 mg/l (50 渭g/l).

路聽聽聽聽聽聽 Arsenic in groundwater first reported in 1980 in West Bengal, India.

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

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