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Nature Medicine 11, 1128 (2005)
Published online: 27 October 2005 | doi:10.1038/nm1105-1128a

In Bangladesh, arsenic-free water set to flow from cheap new filter

Gretchen Cuda1

  1. San Francisco


New technology uses waste products from Indian power plants.


Sacks of coal ash, a widely available waste product, promise to make arsenic-contaminated water safe to drink and provide relief to millions in South Asia.A new filter dubbed ARUBA—for Arsenic Removal Using Bottom Ash—uses fine ash particles from coal-burning power plants in India.

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