Here are some links that explain different ways to remove Arsenic from Ar-contaminated water.
- Removing arsenic using PVA bottles.
- Arsenic removal using water hyacinths.
- Improving Water quality in India.
- Safe Water Technology for Arsenic Removal.
- Groundwater Arsenic Contamination in India: Vulnerability and Scope for Remedy
- Using cysteine as an Arsenic magnet – Earthsky; Homeland Security;
- Arsenic conversion from As3 to As5 (What can I do if my water has high arsenic levels? second paragraph)