Mercury

Hg

Metal

Limit values

WHO Limit

6 µg/L

EU Limit

1 µg/L

US Limit

2 ppb

EWG Limit

1.2 ppb

Ratings

Distillation
Carbon filters
Membrane filters

References

  1. M Chandrashekara and Avadhesh Yadav,
    Water desalination system using solar heat - A review, Renewable and Sustainable Energy Reviews (2017)
  2. Sunil Wimalawansa,
    Effective Solution of Providing Clean Water for Human Needs in Developing Countries Purification of Contaminated Water with Reverse Osmosis:, International Journal of Emerging Technologies (2013)
  3. EWG,
    EWG Tap Water Database Contaminant list, https://www.ewg.org/tapwater/chemical-contaminants.php ()