Home Scientific concepts

Scientific concepts

Water filtration by forward and reverse osmosis explained in 4 paragraphs

The shortest possible explanation of water filtration, forward osmosis, and reverse osmosis - here's our attempt Membrane based water filtration systems and processes require energy to extract clean water from impaired water...

Overview of concentration polarization effects in forward osmosis membranes by McCutcheon et. al. 2006

Why McCutcheon et. al. 2006 is a must read within the field of forward osmosis R&D In their article "Influence of concentrative and dilutive internal concentration polarization on flux behaviour in forward...
Schematic diagram of a forward osmosis membrane in action

Forward osmosis (FO) membranes and membrane processes

Q: What is a membrane? In the context of the water treatment industry, a membrane is a thin, porous structure that can be used as a selective barrier between two aqueous solutions...
Schematic diagram of a forward osmosis membrane in action

Inquiry: draw and feed circulation paths in FO modules

How do draw and feed streams circulate in an FO module? Most of us who are interested in forward osmosis technologies and their applications are familiar with the general concept of how...

Forward osmosis draw solutions and draw solution recovery methods

Draw solutions and draw solution recovery methods are key to unlocking the business potential of forward osmosis I am a membrane enthusiast working in Aquaporin for the past 3 years. Previously, I...

New calculator for estimating structural parameters (S-values)

The structural parameter (S-value) of a forward osmosis membrane determines how severely the membrane is affected by concentration polarization This makes the S-value one of the 3 most important FO membrane performance...
An all-encompassing review of the forward osmosis technology anno 2012

An all-encompassing review of forward osmosis technologies anno 2012 by Zhao et. al.

Why Zhao et. al. 2012 is one of the best recent review articles on forward osmosis technologies In their article “Recent developments in forward osmosis: Opportunities and challenges ” from 2012, Zhao...

Forward osmosis video tutorial

Breaking the ice with a forward osmosis video tutorial Forward Osmosis technology is still a novel and developing technology. And as something innovative and original, it comes with some degree of excitement...
Relationship between forward osmosis membrane structure and performance

The relationship between forward osmosis membrane structure and performance by Tiraferri et. al. 2011

Why Tiraferri et. al. 2011 is a must read within the field of forward osmosis membrane development. In their article "Relating performance of thin-film composite forward osmosis membranes to support layer formation...

Draw solutions and their recovery methods for dairy and food industries – a brief...

Introduction Currently, Forward Osmosis (FO) is well suited for applications in which water needs to be removed in a gentle manner (e.g. food processing and concentration of valuable such as flavors &...