Extended Aeration is an activated sludge process with no primary settling and a very long aerobic detention. It is ideal for places where land is not an issue and requires low maintenance.
SAFF technology incorporates the advantages of Fixed Film Technology combined with Fine Bubble diffused Aeration. BOD removal efficiency possible using a SAFF reactor is 95 – 97%.
MBBR is based on the attached growth process and is the most commonly used technology. It is efficient in de-nitrification treatment, has very low capital and operating costs and requires a small footprint.
MBR technology is far the best technology for wastewater treatment It integrates membrane separation and biotechnology, It gives very good results and can work in extreme weather conditions since it is based on membrane technology