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Home SectionsProcesses & Operations

28 published items

Processes & Operations

Running the process: O&M, control, distribution, performance and risk. Equipment design belongs elsewhere.

Focuses on process execution and operational control, not equipment design. Use when the focus is how a process is run and maintained.

Covers

Execution, O&M, CT control, network hydraulics, emergency planning, performance management.

Found in other sections

Equipment design, technology-family comparison, vendor selection.

Everything Intake & Pretreatment Coagulation & Clarification Filtration & Disinfection Distribution Systems Performance & Risk

Published in this section

28 results

Article
CT Disinfection Control: Managing Chlorine Contact Time in Drinking Water Plants
CT (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.

1 2

3 Nov 2026Read article

Wet Well Maintenance Checklist

Ten checks that prevent most emergency callouts.

3 Nov 2026Read the tips

Riyadh Lift Station Modernisation

Replacing 14 ageing lift-station pumps cut blockage callouts by 71% and energy use by 19%.

3 Nov 2026See the case

Reducing Non-Revenue Water with District Metering

District metered areas turn an unmanageable network-wide loss figure into a set of tractable local problems.

3 Nov 2026Read article

Cutting Aeration Energy in Activated-Sludge Plants

Aeration typically consumes 50–60% of a treatment plant’s electricity. Most of that is recoverable without new blowers.

3 Nov 2026Read article

Why the pump curve on the datasheet is not the one you get

Every 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

Commissioning a pump station in a week

What was specified, what we found on site, and the four changes that made the difference.

23 Oct 2026Read the post

Pressure: an introduction

What Pressure covers within Distribution Systems, the questions it answers in practice, and where to read next.

21 Oct 2026Read article

Jar Testing: an introduction

What Jar Testing covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.

18 Oct 2026Read article

Holding a chlorine residual at the far end of the network

Booster placement, tank turnover and the trade-off between disinfection and taste complaints.

10 Oct 2026Read the post

Pumping energy per cubic metre, month by month

The one number worth putting on a wall, and the three ways it gets reported wrongly.

1 Oct 2026Read the post

Sedimentation: an introduction

What Sedimentation covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.

28 Sept 2026Read article

UF/MF Ops: an introduction

What UF/MF Ops covers within Filtration & Disinfection, the questions it answers in practice, and where to read next.

22 Sept 2026Read article

Sludge: an introduction

What Sludge covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.

21 Sept 2026Read article

KPIs: an introduction

What KPIs covers within Performance & Risk, the questions it answers in practice, and where to read next.

20 Sept 2026Read article

UV: an introduction

What UV covers within Filtration & Disinfection, the questions it answers in practice, and where to read next.

21 Aug 2026Read article

Control: an introduction

What Control covers within Coagulation & Clarification, the questions it answers in practice, and where to read next.

16 Aug 2026Read article

Ozone: an introduction

What Ozone covers within Filtration & Disinfection, the questions it answers in practice, and where to read next.

14 Aug 2026Read article

Storage: an introduction

What Storage covers within Distribution Systems, the questions it answers in practice, and where to read next.

24 Jul 2026Read article

Residuals: an introduction

What Residuals covers within Distribution Systems, the questions it answers in practice, and where to read next.

22 Jul 2026Read article

Protection: an introduction

What Protection covers within Intake & Pretreatment, the questions it answers in practice, and where to read next.

13 Jul 2026Read article

Pretreatment: an introduction

What Pretreatment covers within Intake & Pretreatment, the questions it answers in practice, and where to read next.

21 Jun 2026Read article

Chlorine: an introduction

What Chlorine covers within Filtration & Disinfection, the questions it answers in practice, and where to read next.

15 Jun 2026Read article

Optimisation: an introduction

What Optimisation covers within Performance & Risk, the questions it answers in practice, and where to read next.

10 Jun 2026Read article