Technical News
Notes from our marine desalination, island water supply and industrial pure water projects: how to choose a process, how to calculate water cost, how to maintain membranes, how to troubleshoot a system. If your question is not covered here, contact us directly.
Choosing a Desalination Process: RO, MSF and MED Compared
A side-by-side comparison of reverse osmosis (RO), multi-stage flash (MSF) and multi-effect distillation (MED)…
Read more →How a Marine RO Watermaker Makes Fresh Water: Five Subsystems and the Full Process
How shipboard reverse osmosis watermakers work: the five subsystems (pretreatment, high-pressure desalination,…
Read more →What Does Desalinated Water Really Cost per Cubic Metre?
Desalinated water cost breaks down into electricity, membrane and cartridge replacement, chemicals, labour and…
Read more →Why RO Membranes Foul: Four Fouling Types, Pretreatment Design and CIP Procedure
RO membrane fouling falls into scaling, organic, colloidal and biological categories. How to identify each fro…
Read more →Sizing a Small Desalination System for Islands, Fishing Villages and Remote Sites
A practical sizing method for small seawater desalination systems: demand calculation, intake selection, equip…
Read more →Reaching 18 MΩ·cm: RO + EDI Ultrapure Water Process and Troubleshooting
The mainstream route to industrial pure and ultrapure water is pretreatment + reverse osmosis + EDI. What each…
Read more →Watermaker, Freshwater Generator or Desalination Plant? A Buyer's Guide to the Terminology
The three industries behind seawater desalination use three different names for the same reverse osmosis techn…
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