Effluent Quality of BIOROCK sewage treatment unitsThe effluent from a sewage treatment unit is measured in terms of the Biological Oxygen Demand (BOD), the Suspended Solids (SS) and the Ammonia (NH3). It is expressed in the form BOD:SS:NH3 and is measured in mg/L The Royal Commission Standard for effluent quality from sewage treatment units in the UK is 20:30:20 (BOD:SS:NH3). To understand these figures, septic tank effluent is around 120 :180 :80 and distilled water is 0:0:0, so obviously, the lower the figures the better the quality.
Performance of BIOROCK sewage treatment units
The BIOROCK sewage treatment unit has been tested to EN12566-3 2005 and the EN12566-7 2006 standard in the EU testing facility PIA in Aachen, Germany.
The table below summarises the results from the extensive 38 weeks independent EN testing on the BIOROCK 6 sewage treatment units. Essentially the independent testing showed that the BIOROCK sewage treatment unit produces a very high quality secondary effluent, far better than almost all aquatic systems.
Given normal use, BIOROCK sewage treatment units exceeded normal UK standards of "20BOD:30S.S." by four times.
EN 12566-3 2005 Summary of the Test Results from Aachen using SINGLE CHAMBER Settlement Tank
The BIOROCK stayed within the UK 20:30:20 standard 100% of the time For even cleaner effluent standards, the BIOROCK has just completed EN testing again using two stage septic tanks as the settlement tank. EN 12566-3 2005 Summary of the Latest Test Results from Aachen using a TWO CHAMBER Septic Tank as a Settlement Tank
Full EN test results are available on request
BEFORE you order a rival sewage treatment system, ask the manufacturer for their EN 12566-3 2005 actual test results and compare them with the BIOROCK.
BIOROCK sewage treatment units are cleared for sale in the UK as they have the EN12566-3 2005. This more than satisfies the Environment Agency and Building Control requirements.
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