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Elga Process Water, a Veolia Water Solutions and Technologies company, has supplied a second MidiRO reverse-osmosis system to The Deep aquarium in Hull.

The Deep is an aquarium that combines education, conservation and research and is home to more than 3,500 freshwater and sea fish including spectacular sharks and rays.

The welfare of the fish is of paramount importance and water treatment is critical.

Ben Jones, The Deep’s senior aquarist, said: ‘Fish excrete high levels of ammonia.

‘The water is continuously circulated through a biological treatment plant that converts the ammonia into nitrate but we have to control the nitrate concentration by discharging some of the water to waste and replacing it with make-up water.’ This is where the reverse osmosis system comes in.

Make-up water is taken from the mains supply, pre-treated by a Selectron low salt-usage softener before passing through the MidiRO’s low-pressure reverse osmosis membrane, which removes more than 95 per cent of the dissolved salts while minimising energy consumption and thus helping to keep operating costs low.

The Deep can then re-mineralise the purified water under controlled conditions to give the precise chemical constituents for their freshwater or seawater aquaria.

As a bonus, the reverse-osmosis-treated water is pure enough to be used in The Deep’s laboratories for glassware washing and reagent preparation.

The new compact treatment plant serves The Deep’s quarantine facility, where sick fish can be isolated and treated.

Both plants are covered by a single Aquaservice service contract.

Elga Process Water

Elga Process Water specialises in delivering water purification systems and service support for the scientific, healthcare, industrial and pharma/biothech markets. Our focus on innovation, new technologies and customer service enables us to continually deliver innovative, sustainable products and services.

With over 80 years' experience in water treatment, we offer a variety of systems which use the latest technologies to provide the quality and quantity of water that you require.

We can support your water treatment system through our AQUAservice contracts with four, eight or 24-hour response. In addition, we offer short and long term hire of mobile water solutions that provide independent supply of process water to support you during plant shutdown or increased capacity demands.

We also provide a free carbon and water footprint assessment of your water treatment system, which can help you to reduce your energy and water consumption and more importantly, save money.

Whatever pure water quality you require, ELGA has the solution:

  • Water purification systems using latest technologies
  • SDI/Cylinder exchange service
  • Nationwide team of engineers
  • Wide range of service agreements to suit your needs
  • Large stock of consumables and accessories

Accreditations: ISO9001, ISO14001. Our safety record has been recognised by National Britannia Safe Contractors Awards and CHAS (Contractors Health & Safety). We're a member of the British Safety Council and RoSPA.

ELGA Process Water is part of Veolia Water, the world leader in water treatment.

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