Table 20 Maintenance for ion exchange technologies
Intervention | Comments |
|---|---|
AFDWS-2000 (patent pending) | Maintenance - Requires periodical sludge removal or backwash (Hossain et al., 2005). |
Ferric hydroxide | - |
Bucket of resins (patented) | - |
Tetrahedron/Tetratreat | Negative - Sutherland et al. (2002) reported an issue with taste, smell and costs. |
ArsenX | Maintenance - Filter needs to be backwashed every morning for 10–15 minutes. Fresh or regenerated media is required upon exhaustion of adsorption column. Potential issues with sludge disposal (Sarkar et al., 2007). |