Pillar 02 · Membrane Technology
Patented separation,
productized.
When RO can't handle the TDS, when distillation can't break the azeotrope, when evaporators lose on energy, that's where we live. Three productized platforms, built on six base membrane processes, with project data going back to 1999 and 50+ years of combined team experience behind them. AQUA-SEP® treats the hardest aqueous feeds. VOC-SEP® captures and recovers solvents. AZEO-SEP® breaks azeotropic and close-boiling mixtures distillation cannot. Research, pilot validation, and code-stamped fabrication of every system, in our own shops.
Overview
See the technology in action.
A short look at how our membrane systems separate what other processes cannot, from feed to recovered stream.
Productized platforms
What we sell.
Three patented platforms cover the applications customers buy most. Predictable performance, fixed footprint, accelerated delivery, and engineering documentation in the proposal package. Each is built in our own shops on top of one of the six base processes below.
Productized platform
AQUA-SEP®
The factory-packaged vacuum membrane distillation platform for industrial water recovery.
AQUA-SEP® is what happens when vacuum membrane distillation projects going back to 1999 converge on a productized platform. We took the components that won every commissioning (the membrane modules, the vacuum train, the heat-recovery loop, the controls package) and standardized them into a system you can size, quote, and ship inside a quarter. AQUA-SEP® is in service on produced water, landfill leachate, mining tailings, and ZLD-bound brines around the world.
Read the system page
Productized platform
VOC-SEP®
Pervaporation and vapor permeation, packaged for industrial VOC recovery and reuse.
VOC-SEP® turns volatile organic compounds from a permit liability into a recoverable raw material. Built on Petro Sep's pervaporation and vapor permeation membranes, the system captures solvents from process water and exhaust streams at >98%, returning them to your line as virgin-equivalent. Most installations pay back inside two years on solvent purchase and disposal savings alone.
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Productized platform
AZEO-SEP®
Breaking azeotropes that distillation cannot, cleanly, with no entrainer.
AZEO-SEP® dehydrates ethanol, isopropanol, acetonitrile, and other organic solvents past the azeotropes that conventional distillation cannot break. Where alternatives need an entrainer (benzene, cyclohexane), a third column, and the storage and disposal that comes with them, AZEO-SEP® uses pervaporation membranes selected for the specific solvent. The result is fuel-grade, pharma-grade, or chemical-grade purity in a compact skid, with one-quarter to one-half the energy of azeotropic distillation.
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Base technologies
How they work.
Engineering-grade reference for the six membrane processes our platforms run on. Each page covers the working principle, full specs, comparison against alternative technologies (RO, distillation, evaporation), and field deployments. All membrane plants are fabricated in our own shops, see how we build them.
Vacuum Membrane Distillation
High-recovery treatment for high-salinity and complex feeds where reverse osmosis cannot go.
Specs and applications
Membrane Distillation
Thermally driven separation for fluids that defeat conventional distillation.
Specs and applications
Pervaporation
Selective separation of liquid mixtures, including the azeotropes that distillation cannot break.
Specs and applications
Vapor Permeation
Vapor-phase separation for solvent dehydration and VOC recovery in chemical and pharmaceutical operations.
Specs and applications
Solid-Liquid Separation
Concentration and dewatering of complex slurries and biological streams.
Specs and applications
Zero Liquid Discharge
Closed-loop systems that recover water and isolate solids for industrial wastewater.
Specs and applications
In three dimensions
See the technology, not just the spec.
Turn the membrane module and the full rack in your browser, then step through the renders and cutaways that show how a feed stream becomes a purified product across the hollow-fibre bore.
Before you scale
You pilot.
Bench data tells us whether membrane separation will work on your fluid. A pilot tells us how it will run for six months on your site, with your operators, on your real feed.
We ship containerized pilot units, plumb them in, instrument them, sample them, and produce the data your CAPEX committee needs. Most pilots run three to six months. You see real numbers on real feed before a single bolt is torqued on the full-scale system.
See pilot plantsTypical pilot deliverable
Recovery and rejection numbers
Real, repeatable, independently testable on your feed.
Energy and consumables data
kWh per m³ recovered. Membrane life under your conditions.
Sized production proposal
Sized configuration, indicative budget, schedule.
A clear no, if the answer is no
We will tell you when our scope is not the right fit.
Not sure which technology
fits your problem?
Send us a sample and a few lines about your goal. We will tell you which process fits, what to expect, and what would not work. Free, no commitment.