Once you know what pollutants are in your water, our water testing experts can design bespoke water tests to show how the pollutants are removed from your effluent.

The Process

For us to help clean your water, we will need to understand exactly which pollutants are in the water. We do not do water testing at Arvia but can recommend the use of one of these global water testing labs: ALS Laboratories and Eurofins offer a number of water testing services to support your individual water treatment requirements.

Once they have provided you with the effluent profile, come back to us and we will see if we can help you. The process is as follows:

Water Quality Testing

It starts with understanding what is in your water. Please contact our colleagues at ALS Laboratories or Eurofins who will be able to test your water. Then come back to us and we can take it from there.

Water Treatment Technologies Consultation

We study your effluent and make recommendations as to a suitable water treatment solution which may include Nyex™ in conjunction with other processes.

Treatability Trial

We would then recommend a treatability trial to test which Nyex water treatment system would best suit your water matrix.

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Water Quality Testing

Water quality testing is imperative to ensure that effluent is of a sufficient quality to meet your trade effluent standards or environmental regulations.

The determination of specific water pollutants, their concentrations or levels of COD (amongst other matrix) enables our quality water specialists to recommend the correct water treatment process to meet your water quality targets.

We do not undertake water quality analysis at our facilities in Cheshire, UK, but instead use our colleagues water testing services at ALS Laboratories or Eurofins.

Water Technologies Consultation

After you have tested your effluent, you will have an understanding of the nature of the water in need of treatment. This is where we can help with an initial water technologies consultation, where we discuss the sorts of technologies which you might need to clean your water.

At Arvia, we have an onsite water analysis lab which is equipped with some of the most advanced analytical technologies. These technologies enable us to conduct analyses from basic COD, BOD and TOC levels to the determination of specific pollutants down to part per billion (ppb) and part per trillion (ppt) ranges.

Once we gather an understanding of the nature of the water and the final water quality target, our quality water specialists can make recommendations for which water treatment products will combine to effectively meet your individual requirements.

Irais Baizabal

Wastewater Consultant

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Treatability Trials

Once we have offered our initial consultation on your water matrix, we offer a Treatability Trial. This service is either conducted on a sample of the water at Arvia’s onsite laboratory or on a live side stream of wastewater at your site.

During a Treatability Trial, water technology sizing and energy consumptions are optimised to indicate the most cost-effective treatment results.

This service ensures that optimal conditions are selected to treat your water for its intended use.

Following the treatability trial, we generally move to pilot phase which helps optimise the purchase of a full-scale Nyex™ water treatment process. Once we understand your individual requirements, our specialists scale the Nyex™ reactor tanks to suit your effluent flow rate then deliver and commission the system at your site.

Water Testing to Reduce Trade Effluent Charges

At Arvia, we provide on-site wastewater treatment solutions which bring manufacturers’ effluent in line with their stipulated trade effluent limit for wastewater contaminants.

This process involves water testing at our water testing lab. We characterise the effluent and recommend the most appropriate technologies to meet your trade effluent limit.

The Mogden Formula is a calculation used by utility companies across the UK to inform industrial facilities what their consent to discharge effluent is. Used water from commercial properties is referred to as trade effluent. The cost to collect, treat and dispose of this water is dependent on the volume and contamination level.

Charges for trade effluent in the UK are based on the Mogden formula, which is:

Charge per unit of effluent =

R + [(V + Bv) or M] + B(Ot/Os) + S(St/Ss)7

Reception and conveyance charge [p/m3]

Primary treatment (volumetric) charge [p/m3]

Additional volume charge if there is biological treatment [p/m3]

Treatment and disposal charge where effluent goes to sea outfall [p/m3]

Biological oxidation of settled sewage charge [p/kg]

Chemical oxygen demand (COD) of effluent after one hour quiescent settlement at ph 7

Chemical oxygen demand (COD) of crude sewage one hour quiescent settlement

Treatment and disposal of primary sewage sludge charge [p/kg]

Total suspended solids of effluent at ph 7 [mg/litre]

Total suspended solids of crude sewage [mg/litre]