Septic tank effluent ste quality in pnrs ii biofilter performance evaluation the two highly important input factors are the composition of septic tank effluent ste and the system flowrates.
Quality of septic tank effluent.
Residential septic tank waste strength septic tank effluent will vary in quality according to the characteristics of the wastewater and condition of the tank.
It is important to remember that the effluent discharged from a septic tank or sewage treatment plant no matter how well treated is not clean water it is sewage effluent and presents a risk to people and the environment due to the bacteria and viruses still present.
Aerated wastewater treatment systems were found to perform to accreditation guidelines.
Effluent leaving a conventional septic tank one not equipped with an effluent filter typically has concentration of 150 to 250 mg l for bod 5 40 to 140 mg l for tss and 20 50 mg l for.
Quality of the discharged effluent.
Our septic tank effluent filters are perfect examples where innovation and quality come together.
It has been verified in sample events 1 and 2 that target flow rates have been successfully achieved.
However insufficient nutrient data is presently available to assess nutrient loads.
Results from studies of septic tank effluent quality indicated that the effluent is of poorer quality than currently suggested by guidelines.
We offer gravity effluent filters that can handle anywhere from 800 gpd to 10 000 gpd and are available in 1 16 and 1 32 filtration ensuring we have a septic filter for nearly every application.