DBS SSU:200 Saves £25k Per Month : CASE STUDY: Ultrafines from Road Sweepings Recycled at Suez Plant in Midlands

Suez operates one of the largest road sweepings washing and recycling facilities in the midlands. To reduce costs the facility has installed an ultrafine removal system from Nottingham, UK based DBS Processing.

Based in Coleshill and taking road sweepings waste from Lancashire, Warwickshire, North London, Leicestershire and Gloucestershire the site processes around 26,000 tonnes per year.

According to DBS the new SSU:200 fines recovery system has resulted in significant operational efficiencies for Suez due to the increased removal of ultrafine particles contained within the effluent currently being discharged.

The company explained that the removal of ultrafine particles from the effluent prior to discharge into the sewage works is crucial as the disposal costs are greatly increased dependent on the amount of suspended solids it contains.

Since the introduction of the SSU:200 Mobile screening unit DBS said there has been an 80% (60,000 litres per hour) reduction in the total amount of water being used to run the entire processing plant.

The overall ultrafine particles in the liquid are also claimed to have been considerably reduced resulting in monthly saving of approximately £25,000 and the effluent sufficiently cleanded to allow it to be reused within the primary washing process again.

The SSU:200 was installed for Suez as an immediate solution to increasing operational costs due to additional tonnages being processed at the site, the screening system has been in operation since mid-September last year.

Quick Install

According to the manufacturer it has delivered a substantial cost saving while having no negative impact on the sites ability to process at full capacity during or after installation.

This was said to have been achieved due to the mobile nature of the screening system, the rapid installation and set up time meant that the machine was fully installed other than a single pipe connection which was subsequently completed outside of processing hours.

The system is capable of processing 180,000 litres of liquid per hour and able to effectively separate up to 40 tonnes of grit or sand per hour.

DBS added that the processing does not require any manual intervention during normal working conditions and requires little preventative maintenance or servicing in order to keep the machine at an optimum operational state.

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