Blog

Water treatment, engineered in Brisbane.

Longer-form articles from the Blue Quest engineering team — on dynamic-membrane filtration, industrial water economics, and the trade-offs you actually face on site. Curated, not noisy. Posted when there’s something worth saying.

Technology 4 November 2026

Cycles of concentration in cooling towers: how to calculate them and what limits them

The one number that links make-up water, blowdown and water treatment: what cycles of concentration are, how to work them out and what stops you running higher.

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Technology 15 October 2026

Cooling tower side-stream filtration vs blowdown recovery: which lever first?

Side-stream cleans the circulating loop. Blowdown recovery cuts make-up and trade waste. Which cooling-tower lever to pull first, and when to combine them.

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Technology 12 October 2026

How Australian data centres can cut WUE without touching the IT load

Practical ways Australian data centres can improve onsite WUE by treating and reusing cooling water, without changing compute load. Planning, not slogans.

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Technology 29 June 2026

Cooling-tower blowdown: the opportunity hiding in your discharge

Treating cooling tower blowdown so it can return to the loop cuts make-up demand and the WUE data centres now watch. Where a solids stage fits.

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Technology 22 June 2026

What WUE actually measures — and how onsite recycling moves it

Water usage effectiveness for a data centre, explained: what WUE measures in L/kWh, why it's under scrutiny, and how onsite recycling moves it.

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Technology 9 June 2026

What is dynamic-membrane filtration, really?

A plain-English guide to dynamic-membrane filtration — how it differs from cartridges and conventional membranes, and where it earns its keep.

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