It has been verified in sample events 1 and 2 that target flow rates have been successfully achieved.
Quality of septic tank effluent.
Quality of the discharged effluent.
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.
These additives which are commonly based on effective microorganisms are usually costly in the longer term and fail to live up to expectations.
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.
Results from studies of septic tank effluent quality indicated that the effluent is of poorer quality than currently suggested by guidelines.
Septic tank additives have been promoted by some manufacturers with the aim to improve the effluent quality from septic tanks reduce sludge build up and to reduce odors.
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.
Residential septic tank waste strength septic tank effluent will vary in quality according to the characteristics of the wastewater and condition of the tank.
Aerated wastewater treatment systems were found to perform to accreditation 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.