Flocculation is most important step in the treatment of sludge produced either by urban or industrial wastewater treatment plants. To remove water from any type of sludge, polymer shall be added in certain quantity, this process is called floculation.
As soon as dosed in sludge, polymer aggregates in order to create flocs which can be thickened or dewatered.
EMO has developped a full range of continuous and automatic polymer preparation plants designed to process needs (solution concentration, maturation time) and external conditions. Prepared polymer can be anionic, cationic, powder or liquid type.
ADVANTAGES
- Wide range
- Robust construction (stainless steel or HDPP)
- Quality components and materials
- Compact installation
- Flexibility of process
- Cleanliness and safety for the operator
OPERATING PRINCIPLE
The continuous and automatic plant consists of one tank divided into 3 compartments: preparation, maturation and pumping.
Maturation tank is equipped with level sensor. When low level is reached, polymer preparation plant starts polymer preparation. Feed water and powder dosing are in corelation to prepare 1 to 5 gr/l primary polymer solution.
Prepared solution goes through three tanks through syphoïd wall.
RANGE
Flow rate at a concentration of 1 g/l:
- without secondary dilution: up to 3960 l/h
- with secondary dilution up to 19800 l/h