Double-Pass RO and EDI: How Pharma and Boiler Purified Water Is Actually Made
A single RO takes borewell water at 1,500 mg/L TDS and delivers permeate at 20–40 mg/L. That is a remarkable thing for one membrane to do, and for most proces..
4 min readSilica in Water: The Hidden Limit on RO Recovery in Indian Groundwater
Ask an RO designer in Gujarat, Rajasthan, Andhra Pradesh or Karnataka what limits the recovery on a borewell feed, and the answer is rarely hardness. It is sili..
4 min readRO Membrane Types: Brackish, Seawater, Low-Energy and Fouling-Resistant Elements Compared
Walk through any RO membrane catalogue and the choice looks bewildering: brackish, seawater, low-energy, high-rejection, fouling-resistant, low-pressure, extra-..
4 min readAll Posts
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Silt Density Index (SDI): What the RO Feed Water Test Really Tells You · 4 min read -
RO Membrane Cleaning: When to CIP, Which Chemicals, and the Step-by-Step Procedure · 4 min read -
RO Membrane Fouling vs Scaling: How to Tell Which One You Have · 4 min read -
UF Membrane Fouling and Cleaning: Backwash, CEB and CIP Explained · 5 min read -
Submerged MBR vs Pressurised UF: Choosing the Barrier After PSF and ACF · 4 min read -
MBR Membranes: Hollow-Fibre vs Flat-Sheet · 3 min read -
Getting RO Recovery Right: Recovery Rate, Reject and Antiscalant · 4 min read