OXTEC PLUS

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Efficient, reliable and cost-effective sewage treatment plant for larger applications.

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Viltra's OXTEC PLUS is a 3-stage sewage treatment system in a single tank structure that uses a biological process to effectively treat sewage. It provides a very efficient, reliable and cost-effective solution to sewage disposal for any commercial, industrial or municipal application where there is no access to a main sewer.
Benefits

• Manufactured from robust, impact resistant tank grade polypropylene – unlike alternatives which are prone to cracking if not handled carefully.

• Single tank up to 300 person equivalent (Larger systems available in modular basis)

• Low maintenance and running costs

• Complete system can be manufactured to suit individual sites

• Tested and Certified to EN12566-3 European Standards

• Bespoke construction for deep and shallow inverts

• Customisable for non-standard applications, i.e. schools, restaurants, etc.

• Reliable and compact

 

Key Features

 Single tank installation to minimise costs

 Robust polypropylene construction for easy and cost-effective installation

 Non-mechanical recirculation

 Flat, flush ground-level access covers

 Failure alarm systems included as standard

 No mechanical or electrical parts within unit

 

It is important to note that the new standard relates to all units in the range from 6 persons, (residential equivalent) and includes process and structural testing, including installation in groundwater conditions.

BOD removal
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Installation Available
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Service contracts available
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Free commissioning
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CE Certified

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How it works

Viltra's OXTEC PLUS is a 3-stage biological process sewage treatment system contained within a single tank structure

Primary Settlement

• The primary settlement tank (PST) is a two-stage tank designed to maximize the removal of gross and suspended solids. The PST also incorporates for a sludge storage volume depending on desludge periods.

Biozone

• The biological treatment phase incorporates two proven principles of biological process in the form of a fixed film reactor and a suspended floc dispersed growth system for high transfer rates and operational control, achieving a stable treatment process unaffected by shock loads.

• The heart of the process is a submerged, high rate, plastic media on which a fixed film of biomass is grown. The film consumes incoming settled effluent and oxygen, which is provided by a small blower. The media is aerated through HDPE membrane diffusers that provide fine bubble aeration.

• The fine bubble aeration is carefully controlled, providing optimum oxygen transfer rates and scouring to slough off excess biomass, while keeping the thickness of the fixed biological film at optimum levels.

• The fact that the media remains submerged means that there will be biomass which is “unfixed” to the media but this is treated through suspended aeration.

Final Settlement

• The final settlement tank is designed to provide maximum settlement of any suspended solids prior to discharge. The system incorporates continuous sludge return airlift to return sludge from both the final settlement tank back to the primary settlement tank.

• This system also provides for continuous recycling of treated effluent back to  the PST to not only provide dilution of incoming settled effluent, but also to ensure continuous flow during periods of low or no flow, thereby keeping the biomass in prime condition.

Why choose a Viltra sewage treatment system?

• Custom designed and manufactured in Northern Ireland.

• Fully comprehensive mechanical and electrical installation with technical support from design through to installation and final commissioning.

• Viltra have a team of dedicated and skilled engineers with over 35 years' combined experience.

• Proven track record of supplying cost-effective wastewater treatment systems within the waste water market.

• High quality products and services tailor-made to our customers’ requirements.

• Dedicated after-sales service to give our customers complete peace of mind.

• 24 hour emergency breakdown service only a phone call away.

• Our products are tested and certified to EN12566-3 European Standards.

 

Country Specific Measures

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Call us today to speak to our experts about Viltra's OXTEC PLUS sewage treatment system

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