Preservol™

Preservol™ membrane preservative allows membranes to be stored for short and extended periods without loss of performance. This product is reliable at extreme temperatures and has an extended shelf-life, maintaining product stability long-term.
Preservol™ is safe for use on polyamide thin-film composite membranes, cellulose acetate membranes, nanofiltration and ultrafiltration membranes.

Request Preservol™ SDS

Certifications

NSF Approved

Product Selector

Need help identifying the appropriate product for your system?

Search no more, we have the answer! Answer a few specific questions and we will indicate which product is best suited for your situation.

Find the right product

Preservol™ P

PreservolTM P is a powdered membrane preservative for MF/UF and NF/RO systems. PreservolTM P provides a safe and effective solution for the storage of membrane elements for extended periods without loss of performance. Store membranes in-situ to avoid shipping, offsite preservation and storage costs, while also reducing the potential for biological growth in the ancillary tanks and piping of the system. Best suited to membrane systems intending to be offline for more than a few days. PWT highly recommends a full system cleaning (such as OptiCleanTM B and OptiCleanTM A) prior to preservation with PreservolTM P.

Benefits & Features

  • Powdered formulation is more convenient to store
  • Easy to handle and may be transported more economically
  • Reliable at extreme temperatures
  • Highly stable product extends shelf life

Uses

  • Safe for use on polyamide thin-film composite membranes, cellulose acetate membranes, nanofiltration and ultrafiltration membranes
  • To be used following a cleaning cycle with Lavasol™ or OptiClean™

Preservol™ P

Appearance White powder
pH 5.5-6.0
Download Specsheet

Preservol™ L

PreservolTM L is a liquid membrane preservative for MF/UF and NF/RO systems. PreservolTM L provides a safe and effective solution for the storage of membrane elements for extended periods without loss of performance. Store membranes in-situ to avoid shipping, offsite preservation and storage costs, while also reducing the potential for biological growth in the ancillary tanks and piping of the system. Best suited to membrane systems intending to be offline for more than a few days. PWT highly recommends a full system cleaning (such as LavasolTM 2 and LavasolTM 1) prior to preservation with PreservolTM L.

Benefits & Features

  • Reliable at extreme temperatures
  • Highly stable product extends shelf life

Uses

  • Safe for use on polyamide thin-film composite membranes, cellulose acetate membranes, nanofiltration and ultrafiltration membranes
  • To be used following a cleaning cycle with Lavasol™ or OptiClean™

Preservol™ L

Appearance Clear Liquid
pH 5.5 – 6.0
Download Specsheet

Chemical safety is important. Please use caution when handling our specialty chemicals.

ProDose XPRT™ Scaling Prediction Software

ProDose XPRT™ provides immediate dosage capabilities for our specialty chemicals. The software can create cases to study multiple operating conditions, and directly enter concentrate analyses leading to the optimal selection of PWT product and dosage.