FILTRATION & SEPARATION
unusual in produced water treatment. Longevity is another major differentiator. Polymeric membrane suppliers may advertise lifespans of five years, but operators working in oily water applications often report real-world replacement intervals of one to three years. Ceramic membranes are fundamentally different. LiqTech guarantees the membranes for five years, but many installations are expected to last the life of the facility, with some already operating for more than a decade without replacement. Perhaps the biggest advantage, however, is the concept of “absolute barrier” protection. Upsets and contamination spikes are prevented from cascading downstream into sensitive desalination or advanced treatment systems. That becomes increasingly important as operators begin exploring higher-value reuse applications for produced water. Q: How do filtration systems maintain performance under extreme conditions such as high temperature and pressure? Ceramic ultrafiltration behaves very differently from conventional chemically driven treatment systems under extreme operating conditions. In flotation systems, elevated temperatures can create major treatment difficulties because floc formation becomes unstable. Operators often encounter “pin floc”, where particles fail to aggregate and separate effectively. Ceramic ultrafiltration effectively reverses that relationship. As temperature increases, water viscosity decreases,
which improves filtration performance. Warmer water flows more efficiently through the membrane, so elevated temperatures become an operational advantage rather than a limitation. Pressure is similarly less problematic for ceramic systems than for polymeric membranes. Polymeric materials can suffer from compaction under high pressure, reducing performance and shortening lifespan. Ceramic membranes are inherently robust and can tolerate very high pressures without structural degradation.
In many cases, the greater engineering challenge is not the membrane itself, but designing the surrounding mechanical systems, pumps, piping, and pressure containment equipment, capable of handling extremely high-pressure operating environments. Q: What’s next for filtration in process streams, and what impact will legislation, compliance, and sustainability have on filter product development?
The industry is now moving beyond simple produced water recycling for hydraulic fracturing operations. The long-term objective is to clean produced water to a level where it can be reused outside the oil and gas sector entirely. Today, much of the produced water reuse market
revolves around using wastewater as frac supply for future wells. That already provides environmental benefits because it reduces demand on freshwater
resources. However, the bigger question is what happens when drilling activity slows or stops. That is where desalination and advanced reuse become critically important. The industry is beginning to explore whether produced water can eventually support agricultural irrigation, industrial reuse, or other external applications. There is also a growing social and sustainability dimension to produced water treatment, while the next phase of development will be scale. This shift reflects a broader industry reality. Produced water is no longer simply a disposal problem. It is increasingly becoming a resource management challenge, and filtration technology is moving to the centre of that transition.
LiqTech International
liqtech.com
Running your operation comes with enough challenges. Managing your industrial filtration systems doesn’t have to be one of them.
PEACE OF MIND. DELIVERED BY DONALDSON.
YOUR PARTNER FOR PEACE OF MIND
SCAN to schedule a free consultation with a Donaldson expert.
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40
