Table 18.

Performance of a new Toray TM820H-400 (Toray, Japan) seawater membrane and when exposed to 100 ppm-hours of chlorine dioxide (5-h exposure at 20 ppm) at 49 bar and 25 °C. Testing pH for the new membrane was not disclosed. Permission has been granted by the author and publisher (Balaban Desalination Publications), as adapted from Desalination and Water Treatment (2012) 45(1–3) 84–90. [214].

Condition of ClO2 Exposure	Permeate Flux (l/m2-h)	Salt Rejection (%)
New Membrane—no exposure	439.491	99.46
pH = 4	588.265	98.47
pH = 7	587.462	99.39
pH = 9	779.308	97.97