4000 Litre sewage treatment plant.

Designed and tested in accordance with BSEN12566-3:2005 and with the British Water Code of Practice for Flows and Loads, the Clereflo ASP will serve a population range from 6-20 persons and is suitable for residential and commercial projects where mains drainage is not available. Typical applications include single dwellings, small communities or developments, refurbishments and rural barn conversions.
For homeowners and self-builders the key features of the new Clereflo ASP are its discreet below ground installation, its quiet odourless operation and the low ongoing maintenance and running costs. For builders and developers, as well as being price competitive, the Clereflo ASP’s compact design offers a low-cost, easy installation process.

Features And Benefits
Independently Tested to BSEN12566-3:2005
Value for money
Completely below-ground installation
Easy to install – reduced costs
Proven technology with reliable performance
Quiet, odourless operation
Compact design with no moving parts
Typically 1 to 3-year desludging period
Deeper inverts available with a standard extension kit
Option for pumped influent or effluent
Effluent Standard: 20mg/l BOD 30mg/l SS 20mg/l NH3
Suitable for discharge to ground orwatercourse (subject to Environment Agency consent)

All applications should be specified to comply with the British Water Code of Practice for Flows and Loads. Further advice and assistance is available from our experienced internal and external sales teams.
Site visits and assessments are recommended to ensure the correct equipment is proposed for each application.
Standard range plants produce an effluent quality of 20mg/l BOD 30mg/l SS 20mg/l NH3. The correct plant should be selected to meet the requirements of the discharge consent granted by the Environment Agency, SEPA or EHS.


The Clereflo ASP treatment plant comprises a single tank. Within the tank there is an inner central bio-zone chamber and an outer settlement zone. The plant accepts and treats the incoming sewage, using the extended aeration principle, in the central bio-zone chamber. A simple coarse bubble diffuser, housed in a draft tube, introduces the air that provides the oxygen to the bacteria, which then treats the sewage. The bio-zone retains the mixture of sewage and bacteria until the level of treatment has been achieved.

The treated effluent then enters the settlement zone where settlement takes place. The settled solids are drawn back towards the draft tube, with the diffuser in it, and are returned via the airlift principle to the bio-zone for further treatment. The treated (final) effluent subsequently leaves the plant over a weir, at the outlet level, that extends around the circumference of the tank. The movement of fluid through the whole system is by gravity displacement. There are no moving parts in the treatment plant.

Population Eqiuvalent: 20
Hydraulic Load (I/day): 4000 Litres
Organic Load (g BOD5/per day): 1200
NH3 (g per day): 160
O/A Diameter (mm) A: 2080mm
Stanadard Inlet Invert (mm) B: 780mm
Inlet Invert to Base (mm) C: 2000mm
Outlet Invert to Base (mm) D: 1900mm
O/A Depth (mm) E: 2780mm
Pipework Fitting (mm): 110mm
Max Rated Power (Watts): 300mm
Estimated Power Consumption at working pressure (Watts): 220
Cover Size: 750SQ
PlantWeight: 360kg

Installation
Tanks Direct advises the use of a suitably experienced and qualified installation company to install any of its products. For suggested installers in your area, please contact our sales team on: 01643 703358. Care should be taken to fully assess the site ground conditions prior to commencement of installation. The ASP range requires a relatively low cost installation, typically using only a 200mm deep concrete base followed by pea shingle or self compacting backfill.

Detailed installation guidelines are provided for each product. All electrical work should be carried out in accordance with current regulations (for example NIC EIC/Building Regulations).

To download product information click on the PDF icons below.
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CAD Drawing	Data Sheet