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Notes from AFG Dubai Engineering

Practical articles on desalination, reverse osmosis, pre-treatment and water reuse, written for people who have to specify, buy or run a water plant in the UAE and the GCC.

All articles

Buying guide5 min read

Containerised RO plants: when a skid or container makes sense

When a containerised (containerized) RO plant or a skid-mounted RO system is the right choice, what to check before ordering, and what to specify.

Desalination5 min read

How a desalination plant works: from seawater intake to drinking water

A walk through a seawater desalination plant: intake, pre-treatment, high-pressure RO, energy recovery, post-treatment and concentrate discharge.

Buying guide4 min read

Reverse osmosis plant vs reverse osmosis system: what the terms mean and what to specify

RO plant, RO system, RO unit: what buyers mean by each term, and the data a specification needs so every quote covers the same scope.

Wastewater4 min read

Packaged wastewater treatment plants (MBBR) for UAE buildings and industry

How packaged MBBR wastewater treatment plants work, where they suit UAE buildings and factories, and what data is needed to specify one.

Desalination4 min read

Seawater RO vs brackish RO: which one do you need in the Gulf?

Seawater and brackish RO differ in pressure, materials, pre-treatment and running cost. How to tell which one your Gulf site actually needs.

Design4 min read

How to size a reverse osmosis plant: m³/day, recovery and feed TDS

Daily demand, peak flow, recovery and feed TDS decide the size of an RO plant. A plain guide to the numbers you need before asking for a quote.

Design4 min read

What to ask in a water analysis before ordering an RO plant

A good water analysis is the foundation of RO design. Which parameters to request, how to sample and what the results tell the engineer.

Desalination4 min read

Pre-treatment for Gulf seawater: SDI, ultrafiltration and why fouling kills membranes

Most SWRO problems start before the membranes. How fouling happens, what SDI tells you and how filters and ultrafiltration protect a Gulf plant.

Buying guide4 min read

What drives the cost of an RO plant

Capacity is only one part of what an RO plant costs to buy and run. The design choices that move capital and operating cost, explained without price lists.

Reuse4 min read

Greywater and wastewater reuse in UAE buildings

UAE hotels, towers and homes produce water that can be treated and reused. How greywater and wastewater reuse work, and what to plan for.

Aquaculture4 min read

RAS fish farming: a water treatment checklist

A practical checklist of the water treatment a recirculating aquaculture system needs, from intake and make-up water to solids, disinfection and effluent.

Agriculture4 min read

Hydroponic water: RO, EC and common mistakes

Why hydroponic growers use RO water, how source EC affects the nutrient solution, and the water mistakes that most often cost crops.

Treatment4 min read

Remineralisation and UV: making RO water safe to drink

RO permeate is pure but not ready to drink. Why it is remineralised and disinfected, and how dolomite, dosing and UV fit together.

Buying guide4 min read

Manufacturer vs trader: why it matters when you buy a water plant

Buying a water plant from the company that designs and builds it differs from buying via a trader. What changes for design, spares and support.

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Capacity and source water are enough to start. A full analysis lets our engineers choose the right membranes and pre-treatment.

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Dubai officeSilver Tower, Office 2102, Business Bay, Dubai, UAE
Engineering and manufacturingAFG, Kepez, Antalya, Türkiye

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