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AI & Data Centres: Energy & Water
Explore the latest developments in artificial intelligence and data centres, from AI infrastructure, cloud computing and high-performance chips to energy demand, cooling, sustainability and investment. Stay informed about the technologies, companies and trends shaping the future of digital infrastructure.


DC-MU make-up and reclaimed-water conditioning for AI data centres
How to specify DC-MU make-up and reclaimed-water conditioning modules for reliable AI data-centre cooling in hot, water-constrained markets.
Mark Cullens
2 days ago5 min read


Brine minimisation and discharge control for blowdown recovery
A practical hierarchy for minimising blowdown brine while maintaining an approved and reliable residual-disposal route.
Mark Cullens
2 days ago6 min read


Standard capacity and redundancy options for data-centre water modules
Contents Direct answer 1. Define the standard module family 2. Build the capacity basis 3. Size for phased campus growth 4. Select a redundancy philosophy 5. Identify common-mode failures 6. Design turndown and standby operation 7. Use storage without overstating resilience 8. Plan expansion interfaces 9. Compare lifecycle cost and footprint 10. Specify the selection schedule 11. How Crescent Engineering can support the project 12. References and further reading Direct answer
Mark Cullens
2 days ago4 min read


Retrofitting blowdown recovery into an operating data centre
A live-site guide to surveying, installing and commissioning blowdown recovery without compromising cooling continuity.
Mark Cullens
2 days ago6 min read


Managing silica, hardness and salinity in cooling-tower blowdown
How silica, hardness and salinity control cooling-tower blowdown recovery, membrane performance and discharge.
Mark Cullens
2 days ago6 min read


Recycled-water utility interfaces and compliance for GCC data centres
A practical guide to recycled-water utility agreements, compliance, monitoring and residual approvals for GCC data-centre cooling.
Mark Cullens
2 days ago7 min read


How far should cooling-tower cycles of concentration be increased?
How to increase cooling-tower cycles safely, measure the saving and identify the point where further concentration becomes uneconomic.
Mark Cullens
2 days ago6 min read


The business case for cooling-tower blowdown recovery in AI data centres
A commercial and technical framework for evaluating cooling-tower blowdown recovery in AI data centres.
Mark Cullens
2 days ago8 min read


Municipal recycled water for AI data-centre cooling: a Middle East & UAE design guide
A practical utility-to-tower guide to using municipal recycled water for AI data-centre cooling across the Middle East and UAE.
Mark Cullens
2 days ago10 min read


Storage, blending and monitoring for reliable recycled cooling water
Designing storage, blending, monitoring and backup controls for dependable recycled-water cooling systems.
Mark Cullens
2 days ago8 min read


DC-BR packaged blowdown-recovery modules for AI data centres
Contents Direct answer 1. Position DC-BR within the water system 2. Confirm the baseline and opportunity 3. Characterise blowdown as a variable feed 4. Select the recovery process 5. Control scaling and fouling 6. Design the residual pathway 7. Configure capacity and redundancy 8. Integrate product reuse and controls 9. Specify guarantees and verification 10. Plan retrofit and commissioning 11. How Crescent Engineering can support the project 12. References and further readin
Mark Cullens
7 days ago4 min read


Battery limits, controls, FAT and commissioning for packaged data-centre water plants
Contents Direct answer 1. Establish physical battery limits 2. Define utilities and design conditions 3. Allocate instruments and control ownership 4. Write the sequence of operation 5. Design alarms, trips and safe states 6. Prepare a meaningful FAT 7. Plan installation and pre-commissioning 8. Prove site integration 9. Conduct performance and reliability tests 10. Complete handover and lifecycle records 11. How Crescent Engineering can support the project 12. References and
Mark Cullens
7 days ago4 min read


Recovery guarantees and measurable water savings for data centres
How to specify sustainable recovery guarantees and verify actual water and cost savings after commissioning.
Mark Cullens
7 days ago6 min read


Protecting cooling assets from fouling and corrosion with recycled water
How to protect cooling towers and heat exchangers from fouling, corrosion, deposits and biological risk when using recycled water.
Mark Cullens
7 days ago8 min read


UF, RO and polishing for recycled cooling water: a practical selection guide
A practical guide to selecting ultrafiltration, reverse osmosis and polishing for reliable recycled cooling-water treatment.
Mark Cullens
7 days ago8 min read


DC-RW wastewater treatment and reuse for data-centre campuses
Contents Direct answer 1. Define the reuse objective 2. Map and segregate wastewater sources 3. Set the treatment and compliance envelope 4. Select biological and polishing processes 5. Protect cooling systems receiving reused water 6. Design storage, disinfection and distribution 7. Manage sludge and concentrate 8. Configure redundancy and upset response 9. Measure the real site saving 10. Commission and operate the reuse scheme 11. How Crescent Engineering can support the p
Mark Cullens
7 days ago4 min read


DC-LC liquid-cooling water quality for AI data centres
Contents Direct answer 1. Separate the liquid-cooling loops 2. Establish supplier and material requirements 3. Define fill-water quality 4. Manage closed-loop chemistry 5. Control particles and microbiology 6. Monitor condition without overreacting 7. Design make-up, dosing and side-stream treatment 8. Protect interfaces and redundancy 9. Commission and preserve cleanliness 10. Operate and investigate excursions 11. How Crescent Engineering can support the project 12. Referen
Mark Cullens
Sep 55 min read


Reclaimed-water applications for data-centre cooling in the UAE
How UAE data-centre projects can assess reclaimed-water networks, treatment, approvals and cooling applications.
Mark Cullens
Sep 58 min read


Filtration, softening and high-recovery RO for cooling-tower blowdown
A practical process-selection guide for filtration, softening and high-recovery reverse osmosis applied to cooling-tower blowdown.
Mark Cullens
Sep 56 min read


DC-ZD minimum and zero-liquid-discharge systems for AI data centres
Contents Direct answer 1. Define what minimum or zero discharge means 2. Start with the site salt balance 3. Reduce load before adding thermal treatment 4. Select membrane concentration stages 5. Decide when thermal concentration is justified 6. Manage scaling, corrosion and organics 7. Define solids and intermittent wastes 8. Configure capacity, redundancy and bypass 9. Integrate energy and heat recovery 10. Specify guarantees and acceptance tests 11. How Crescent Engineerin
Mark Cullens
Sep 54 min read
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