Industrial RO performance data, supply chain strategies, and drop-in replacement guides designed for engineers.
Membrane filtration in water treatment splits into four classes. What MF, UF, NF and RO each remove, the pressure each costs, and how to choose.
Low pressure RO membrane data sheets quote flow at different test pressures. How to normalize them, and what the pressure saving is really worth.
Ultrafiltration vs reverse osmosis, compared on pore size, pressure, and what UF pretreatment does to your RO design flux. With real manufacturer numbers.
Deionized water vs reverse osmosis is rarely an either or call. The resin math, the CO2 trap that wrecks DI sizing, and how to spec the RO feeding it.
The Langelier Saturation Index only predicts RO scaling when it's run on the concentrate. The math, the vendor limits, and the recovery that breaks it.
Most RO membrane housing specs stop at the pressure rating. Qualification pressure and the head's pH limit decide more, and both are on the datasheet.
Reverse osmosis water pressure is set by feed TDS, temperature and membrane permeability. How to read the gauge, and what to do when it climbs.
Reverse osmosis waste water is set by array design and feed chemistry. The element limits that put a hard floor under your drain flow, and what lowers it.
How activated carbon water treatment actually protects RO membranes — EBCT sizing, chloramine math, the mesh trap, and the biofouling failure nobody plans for.
Before you buy point-of-entry reverse osmosis, check the reject water, concentrate disposal, and the storage-plus-repressurization build the quote leaves out.
What reverse osmosis desalination takes in practice: 800+ psi, energy recovery, boron limits, and the seawater membranes that do the work.
Does reverse osmosis remove chlorine? Not the way you'd hope. Free chlorine destroys polyamide RO membranes — here's what actually takes it out and why it matters.