Disinfecting RO Membranes - Procuedure

Membrane Chemicals Product Support

To Disinfect RO Membranes:

Clean the membrane with AM-22 or AM-23*. AM-22 or AM-23* will remove deposits in the membrane which harbor microorganisms. After cleaning, flush the membrane with RO permeate.
Clean the membrane with AM-124 to remove iron and other transition metals. After cleaning, flush the membrane with RO permeate.
Circulate a solution of PS-77* through the membrane in a ratio of 1:100 with RO permeate for 30 minutes, at a temperature not to exceed 77°F.
Allow the membrane to soak in the disinfecting solution for 30 minutes. After disinfecting, flush the membrane with RO permeate.

* Items with an asterisk are classified as hazardous materials and are not available for shipment by UPS or air. Available for common carrier or ocean shipment only.

Caution: PS-77* is not recommended in contact with brass, copper, or iron parts and fittings of an RO System. Handle all chemicals with care. Wear protective clothing and eye protection.