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BMS BLIVETTM Package STP

Compact

The BMS Blivet has proven itself to be one of the most compact Sewage Treatment Plants in the world. Utilising "Parallel Plates" (Lamella Plates) in both the Primary and Secondary Zones along with the "BMS Aerotor" results in a very compact unit. The Parallel plates reduce the settlement zones to approximately one quarter the required area of normal sedimentation tanks. The "Aerotor" or the heart of the Blivet system treats the effluent by a combination of "Active Aeration" and "Passive Contact" which results in very high treatment rates per area required. Three months sludge storage is also provided in the base of each unit. The largest BMS Blivet model fits inside a 40' container and can treat the effluent from a population equivalent of between 400-500(temperature dependant).
 

factory aerobic waste water treatment plantEconomical

The BMS Blivet is the most efficient means of treating wastewater in the low to medium population ranges. There are only two electrical components in each unit. The "Main Drive Motor" and a "Sludge Return Pump". The motor sizing on a 4-500 Population Equivalent unit is 0.75 Kw three phase (single phase also available). The total electrical consumption of this size unit per day is approximately 13 Kw.Hrs. This is approximately 1/4 of the electrical consumption of a similar sized extended aeration plant.
 

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The BMS Blivet utilises the patented BMS "Aerotor" as its main central treatment section. The "Aerotor" although looking like an RBC is in fact a combination of two types of treatment systems, "Active Aeration" (similar to activated sludge) and "Passive Contact" (similar to filter media/RBC systems) treatment. The treatment sections are composed of drums with a very large surface area inside (Patented design). The effluent is drawn in via holes in its periphery. Once inside it passes through the maze of surfaces. The combined effect of being actively mixed with air and passing over the bacterial surfaces provides an exceptionally efficient and robust treatment as outlined above. Normal treatment standards are 20mg/L BOD & 30 mg/L SS although higher standards can be obtained if required.
 

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  mobile package sewage treatment plants

 

Mobile

Blivets can be utilised for permanent installations or for mobile applications. Some previous mobile applications include sewage treatment for army camps as well as backup units for STP's during overload periods. Specialist units installed in insulated, air-conditioned containers have been supplied for mobile oil fields in the Middle East.
 

Head Gain

The effluent level leaving a Blivet is higher than the effluent entering it (150mm higher). This is a result of the head gain provided by the first "Rotor". Advantages of head gain include the extra capability of approx 250m gravity discharge. Current treatment plants can be upgraded without the need for extra pumping equipment. For high strength effluents the units can be connected in series without extra pumping equipment.

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