Water treatment

With over 20 years dedicated to understanding scaling phenomena through research and development, A S Harrison & Co through partnership with AWC, have applied our unique understanding of water chemistry to help resolve complex operational issues, and improve membrane pretreatment processes. With the development of an extensive line of RO antiscalants, RO membrane cleaning chemicals and biocides to control and reverse all scales, AWC® is renowned as one of the most trusted suppliers of membrane chemicals for Reverse Osmosis/Nanofiltration (NF/UF) and Microfiltration/Ultrafiltration (MF/UF) systems.

Membrane Filtration

Membrane filtration plays a key role in water treatment, especially when high purity is required. This filtration process consists of the separation of two water flows, the permeate (purified water) and the concentrate (containing impurity and salts). Mainstream desalination technology is reverse osmosis (RO), while for the removal of different contaminants from water and wastewater, pressure-driven microfiltration (MF), ultrafiltration (UF) and nanofiltration (NF) are used.

Working with such tight tolerances and fine membranes means there are numerous maintenance requirements. These include issues relating to the impurities in the water including scaling, fouling and chemical attack.

Our partners

A S Harrison & Co is the official and exclusive distributor of American Water Chemicals Inc (AWC) within Australia & New Zealand with staff certified to Reverse Osmosis Specialist Level 2 by ASMS. Together with AWC, we offer a full range of services, including but not limited to:

  • Chemical supply
  • Software simulations (PROTON®)
  • Membrane autopsy
  • Testing
  • Engineering advice
  • Troubleshooting
A S Harrison & Co Water


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