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Extended Aeration System

Extended Aeration System

The extended aeration process is one of the modifications of the ASP. It is a complete mix system and provides biological treatment for the removal of biodegradable organic wastes under aerobic conditions. Air...

Water Treatment Process

Water Treatments Method : Reverse Osmosis (RO) water treatment process involves water being forced under pressure ( Osmotic Pressure ) through a semipermeable  RO water treatments membrane. In this Reverse...
Water Treatments System

Water Treatments System

Objectives of Water Treatment  The Water Treatments are to remove the different impurities present in the raw water, to render the water safe and clean and to ensure the water treatment process and treated...
Trickling Water Filters

Trickling Water Filters

Trickling Filters in Waste Water Treatment Trickling Filter A Trickling water treatment filter (TF), an attached growth system, consists of a fixed bed of highly permeable media on whose surface a mixed...
Waste Stabilization Ponds

Waste Stabilization Ponds

HISTORY OF WASTE STABILIZATION PONDS Wastewater lagoons have been used as a process for wastewater treatment for centuries. In the 1920’s artificial ponds were designed and constructed to receive and...
Cage Rotor

Cage Rotor

Cage Rotor One or more mechanical surface aerators with horizontal axis, generally known as cage rotors are attached to the side of the ditch. Cage rotors generally resemble a large circular brush. The cage...
OXIDATION DITCH

OXIDATION DITCH

Description of Oxidation Ditch Oxidation ditch is an extended aeration activated sludge process. An oxidation ditch is a large holding tank in a continuous ditch with oval shape similar to that of a racetrack....
AERATION

AERATION

Aeration serves three important functions : Mixing the returned sludge with effluent from primary treatment, Keeping the activated sludge in suspension, and Supplying the oxygen to the biochemical...
ROTATING BIOLOGICAL CONTACTOR

ROTATING BIOLOGICAL CONTACTOR

The rotating biological contactor (RBC) has been used in Europe for many years to treat both municipal and industrial waste waters. RBC’s produce a high quality effluent. RBC’s are fixed-film...
TYPES OF TRICKLING FILTERS

TYPES OF TRICKLING FILTERS

The Trickling filters are classified based on hydraulic or organic loading, as low rate trickling filter (LRTF), high rate trickling filter (HRTF) and Roughing Filter. 1 Low Rate Trickling Filter (LRTF) The...
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