by Nik Zwaneveld | Jan 28, 2022 | Uncategorized
Ultra-filtration and Micro-filtration Membrane Autopsies Ultra-filtration (UF) and micro-filtration (MF) membranes differ significantly from RO membranes both in their applications and their construction and usage. The first key difference is that UF and MF...
by Nik Zwaneveld | Jan 28, 2022 | Uncategorized
Loss on ignition (LOI) – Inorganic/organic analysis Loss on ignition (LOI) is a test used in inorganic analytical chemistry and soil science, particularly in the analysis of minerals and soil. It involves heating or “igniting” a sample at a high...
by Nik Zwaneveld | Sep 22, 2021 | Uncategorized
Modes of failure in ion exchange resins. Ion exchange resins age in a number of ways, and understanding this is key to both prolonging resin life and minimising regeneration costs. In this article we will discuss a number of the key ways that ion exchange resins can...
by Nik Zwaneveld | Jul 19, 2021 | Uncategorized
We are moving! We are excited to announce that Membrane Works have moved to our new workshop in Penrith. This new facility will allow us to expand our testing and analysis capabilities, and better serve you, our customers. Our new address is: Membrane Works Pty...
by Nik Zwaneveld | Jul 19, 2021 | Uncategorized
Why would you do an autopsy on something that costs $100? This is usually the first question that is asked. Why would you spend money on testing something so simple? There are a number of reasons, but put simply it’s because cartridge filters are very easy to remove...
by Nik Zwaneveld | Jul 19, 2021 | Uncategorized
Oxidative damage of RO membranes One of the particular challenges with thin-film RO and NF membranes is that they are susceptible to oxidative damage. These membranes are made by casting very thin films of polyamide polymers onto a range of supporting substrates. The...
by Nik Zwaneveld | Apr 19, 2021 | Uncategorized
Membrane works are proud to showcase our new pilot Reverse Osmosis and Nanofiltration membrane rig. This rig is a new tool for running pilot testing of the most difficult to treat waters, in those moments where we see the predictive models are no longer effective....
by Nik Zwaneveld | Apr 14, 2021 | Uncategorized
What is calcium carbonate? Of all mineral scales, calcium carbonate or calcite is the most common scale impacting water treatment systems. It is common in both industrial water treatment systems and domestic homes and across the world. Calcium carbonate (CaCO3) is...
by Nik Zwaneveld | Apr 14, 2021 | Uncategorized
SEM for membrane and ion exchange analysis. SEM is one of the most widely used methods for analysing fouling on membranes and ion exchange resins. Its power is in that it allows you to see exactly what is happening on the membrane surface at the microscopic level and...
by Shane Cox | Dec 5, 2016 | Membrane Autopsy
When should I do an autopsy? Over time the performance of all membrane processes degrade. Performance loss may happen gradually or in the case of an unexpected event, a rapid decrease may occur. Membrane performance loss can happen for a range of reasons, which...
