BIOROCK Independent Test Results

Effluent Quality of BIOROCK sewage treatment units

The 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. Only sewage plants that have this standard are able to apply for the Discharge or Exemption Permit from the Environment Agency.
 
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. 
 
When tested at The EN Test Centre, the BIOROCK consistently produced an effluent quality (in mg/L) of (BOD:SS:NH3) > 4:3:3
 
 
Given normal use, BIOROCK sewage treatment units exceeded normal UK standards of "20BOD:30S.S." by five times.

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
Parameter
Results inc. shock and overloading tests
Average
BOD5
 
100% less than 7 mg/L
 
3.5mg/L
Suspended Solids
 
100% less than 11 mg/L
 
2.9mg/L
Ammonia (NH3)
 
100% less than 9 mg/L
 
2.7mg/L

The BIOROCK stayed within the UK 20:30:20 standard 100% of the time
 

BEFORE you order a rival sewage treatment system, ask the manufacturer for their EN 12566-3 2005 actual test report and compare it with the BIOROCK. 
The BIOROCK sewage treatment unit also normally achieves between 1000 to 10,000 times reduction in Thermotolerant Coliform bacteria

EN 12566-3 2005 Summary of the Test Results from Aachen using SINGLE CHAMBER Settlement Tank

Parameter
Results inc. shock and overloading tests
Average
BOD5
 
100% less than 20 mg/L
 
7.9mg/L
Suspended Solids
 
100% less than 15 mg/L
 
7.7mg/L
Ammonia (NH3)
 
100% less than 20mg/L
 
8.8mg/L
 
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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Superior septic tank systems used as part of the BIOROCK system

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