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Wastewater Treatment Blog

In-depth engineering guides on industrial wastewater treatment technologies. Written by the engineers who design, manufacture and commission these plants — not marketing copy.

Buyer's Guide

Wastewater Treatment Companies in Turkey

Who does what, and how to choose: company types and the comparison criteria that matter.

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Technology Comparison 2026-07-01

DAF or Sedimentation? Which One, When?

A comparison by surface loading, space requirement, sludge dry solids and pollutant type — plus a scenario-based decision guide for choosing between flotation and settling.

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Water Reuse 2026-03-06

Water Reuse and Zero Liquid Discharge (ZLD)

The UF + RO + evaporator + crystalliser chain explained step by step, with the levels of recovery, typical rates by sector and operating tips. Reuse is GESU's strategic focus.

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Advanced Membrane 2026-03-02

What Is Reverse Osmosis (RO)?

Osmotic pressure, cross-flow, recovery and concentration factor; a table of typical design parameters and fouling/scaling/CIP troubleshooting.

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Biological Treatment 2026-02-12

MBR Cost and Operation Guide

The factors that set MBR cost, submerged/external and flat sheet/hollow fibre membrane selection, operating tips, typical values by sector, and effluent ready for reuse with MBR+RO.

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Chemical Treatment 2026-01-20

What Are Coagulation and Flocculation?

Why colloids never settle: zeta potential, charge neutralisation, rapid/slow mixing (G value), how a jar test is run, and the five most common conditioning problems in the field.

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Chemical Treatment 2026-01-15

What Is DAF? Dissolved Air Flotation Guide

The physics of flotation, the A/S ratio, micro-bubble size, surface loading and recycle rate, chemical conditioning and the operating problems most often seen in the field.

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All numerical ranges given in these articles are typical orders of magnitude found in the literature and in practice; they are not commitments. The exact design for a given plant is established by wastewater analysis, jar testing and, where appropriate, pilot work.

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