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SectionWater InsightsSectionProcesses & OperationsSectionWater TechnologiesAvailable inEnglishAvailable inالعربيةClear all
- Article· Water TechnologiesHow reverse osmosis worksOsmosis, the pressure that reverses it, and why the dense layer of an RO membrane keeps salt out.3 Nov 2026Read article
- Article· Water TechnologiesReverse Osmosis Membrane Selection: An Engineering Guide for Water Treatment ProjectsSelecting the right RO membrane element requires balancing salt rejection, permeate flux, fouling resistance, pressure rating, and total cost of ownership. This guide walks through the key parameters, qualification testing, and the CAPEX/OPEX trade-offs relevant to seawater, brackish water, and wastewater reuse applications.3 Nov 2026Read article
- Article· Processes & OperationsCT Disinfection Control: Managing Chlorine Contact Time in Drinking Water PlantsCT (concentration × time) is the regulatory metric for drinking water disinfection efficacy. This article explains how to calculate, monitor and optimise CT under variable flow, temperature and pH conditions, with worked examples for free-chlorine, chloramine and UV systems.3 Nov 2026Read article
- Article· Water InsightsPFAS in Drinking Water: A Policy Watch for 2024 and BeyondThe US EPA's April 2024 Maximum Contaminant Levels for six PFAS compounds, the EU's proposed 0.10 µg/L sum-of-PFAS standard, and the WHO 2022 interim guideline of 0.10 µg/L for PFOA/PFOS define the new regulatory landscape utilities must prepare for.3 Nov 2026Read article
- Article· Water InsightsGlobal Desalination Capacity: Trends Driving the Next Wave of PlantsInstalled desalination capacity crossed 100 million m³/d in 2023. This analysis examines the technology mix, regional distribution, energy intensity and cost trajectories shaping the next decade of seawater and brackish water treatment.3 Nov 2026Read article
- Article· Water InsightsTransboundary: an introductionWhat Transboundary covers within Policy & Standards, the questions it answers in practice, and where to read next.3 Nov 2026Read article
- Tip sheet· Processes & OperationsWet Well Maintenance ChecklistTen checks that prevent most emergency callouts.3 Nov 2026Read the tips
- Case study· Processes & OperationsRiyadh Lift Station ModernisationReplacing 14 ageing lift-station pumps cut blockage callouts by 71% and energy use by 19%.3 Nov 2026See the case
- Article· Processes & OperationsReducing Non-Revenue Water with District MeteringDistrict metered areas turn an unmanageable network-wide loss figure into a set of tractable local problems.3 Nov 2026Read article
- Article· Processes & OperationsCutting Aeration Energy in Activated-Sludge PlantsAeration typically consumes 50–60% of a treatment plant’s electricity. Most of that is recoverable without new blowers.3 Nov 2026Read article
- Blog post· Water InsightsNon-revenue water, with the arithmetic shownSplitting real losses from apparent ones, and what each is actually worth fixing.31 Oct 2026Read the post
- Article· Water TechnologiesNF: an introductionWhat NF covers within Filtration & Membranes, the questions it answers in practice, and where to read next.29 Oct 2026Read article
- Blog post· Processes & OperationsWhy the pump curve on the datasheet is not the one you getEvery curve is measured on clean water at a fixed speed. Here is what suction conditions, wear rings and a worn impeller do to it.28 Oct 2026Read the post
- Blog post· Processes & OperationsCommissioning a pump station in a weekWhat was specified, what we found on site, and the four changes that made the difference.23 Oct 2026Read the post
- Article· Processes & OperationsPressure: an introductionWhat Pressure covers within Distribution Systems, the questions it answers in practice, and where to read next.21 Oct 2026Read article
- Article· Processes & OperationsJar Testing: an introductionWhat Jar Testing covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.18 Oct 2026Read article
- Article· Water TechnologiesCoagulants: an introductionWhat Coagulants covers within Chemicals & Materials, the questions it answers in practice, and where to read next.13 Oct 2026Read article
- Blog post· Processes & OperationsHolding a chlorine residual at the far end of the networkBooster placement, tank turnover and the trade-off between disinfection and taste complaints.10 Oct 2026Read the post
- Article· Water TechnologiesAOPs: an introductionWhat AOPs covers within Chemical Treatment, the questions it answers in practice, and where to read next.7 Oct 2026Read article
- Article· Water InsightsSmart Infrastructure: an introductionWhat Smart Infrastructure covers within Digital Trends, the questions it answers in practice, and where to read next.3 Oct 2026Read article
- Blog post· Processes & OperationsPumping energy per cubic metre, month by monthThe one number worth putting on a wall, and the three ways it gets reported wrongly.1 Oct 2026Read the post
- Article· Processes & OperationsSedimentation: an introductionWhat Sedimentation covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.28 Sept 2026Read article
- Article· Water TechnologiesDecentralised: an introductionWhat Decentralised covers within Selection & Emerging Systems, the questions it answers in practice, and where to read next.25 Sept 2026Read article
- Article· Water TechnologiesCAPEX/OPEX: an introductionWhat CAPEX/OPEX covers within Selection & Emerging Systems, the questions it answers in practice, and where to read next.24 Sept 2026Read article