Modelling storage for disinfection

Water disinfection is a key issue in the water industry. There are three main techniques used for this purpose: chlorination, ozonation and ultra-violet disinfection....

Thoughts on leakage

The 9th Global Leakage Summit took place in London on 13-14 March 2018 looking at efficiency, resilience and sustainability. Here, Bob Taylor of South West...

Wastewater Anaerobic Digestion: challenges and opportunities

Using the right technology, in the correct way, and maintaining it properly, are key to making more of your wastewater anaerobic digestion (AD) combined...

Leeds boosts sludge recycling

Knostrop waste water treatment works (WwTW) has been treating sewage from domestic properties and industry in Leeds for approximately 100 years. It serves the...

Leakage matters

Leakage is probably the indicator of water companies’ performance that gets the highest profile with customers. Quite rightly, customers see excessive leakage as a...

Pathogen tests for sludge

Each year, the UK generates about 15,000 tonnes of sewage sludge and, like many developed countries, has a commitment both to minimise the amount...

Coagulation for phosphorus removal

An examination of the efficient use of coagulation for phosphorus (P) removal and energy reduction in wastewater treatment plant operation. Increasing energy costs and...

Coagulation and flocculation: Improvement through understanding

In the world of water and wastewater treatment, coagulation and flocculation are processes that have been used for many years (reportedly, both the Egyptians...

Technology flows on

Flow is the most important parameter measured by the water industry to manage and control the clean and wastewater networks from source to tap...

Why we all need flow measurement

Without flow, the water industry quite literally would not exist. Gigalitres of water and waste water are abstracted, treated, delivered, consumed, collected, treated and...

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