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L8 front cover

Managing Contractors

L8 4th Edition states: “Employing contractors or consultants does not absolve the dutyholder of responsibility for ensuring that control procedures are carried out to the standard required to prevent the proliferation of legionella bacteria. Dutyholders should make reasonable enquiries to satisfy themselves of the competence of contractors in the area of work before they enter […]

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glossary

Water Treatment Glossary

ACID A chemical compound whose aqueous solution turns blue litmus paper red, reacts with and dissolves certain metals to form salts, and reacts with bases to produce salts and water. They are capable of transferring a hydrogen ion (proton) in solution. ACUTE Describes a severe and often dangerous condition in which relatively rapid changes occur. […]

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Heat exchanger

What is corrosion?

The above figure shows a typical corrosion cell for iron and its chemical reactions. Corrosion is a natural process that is thermodynamically preferable for the metal concerned as it attempts to return from a high energy state (manufactured metals required a large amount of energy create them) to a low energy natural state i.e. the […]

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BS7592

Testing for Legionella and Pseudomonas in the presence of copper and silver

Testing for Legionella is covered by BS7592 but in the presence of copper/silver biocides this may be incorrect. Find out why in this article.

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CPE WHO

What are CPE?

The picture above is taken from the world Health Organisation guidelines on preventing CPE infections. Carbapenemase-Producing Enterobacteriaceae (CPE) are Gram-negative bacteria that are resistant to the carbapenem class of antibiotics, considered the drugs of last resort for such infections. Every healthy person has bacteria in their gut, they do no harm in your gut and […]

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LSIRSI

What are Langelier Saturation Index and Ryznar Stability Index?

Want to know how to calculate LSI or RSI then check out this article, or you can download a calculator to do it for you.

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steam boiler

Alkali Boil Out of Steam Boilers

A systematic approach is required in preparing any steam boiler for service. This may include an alkali boiler out. Read more about the process involved.

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legionella in amoeba

Preventing Legionella contamination and Legionnaires’ disease outbreaks in the UK

Learn how to prevent Legionnaires’ disease using cutting edge technology

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CPD logo

CPD Accredited training courses

Collaton Consultancy Limited are proud to announce that our face to face training has become CPD accredited.

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steam boiler

Basic chemistry for steam boilers

Water is known as a universal solvent because almost anything with dissolve into it and it is this property that leads to the problems within a steam system. Water evaporates from bodies of water such as oceans, seas, lakes and rivers; it rises into the air to form clouds from where eventually it will fall […]