Flocculation
Controlled floc formation through slow mixing. Particles destabilized during coagulation clump into larger aggregates that are easier to separate.
Physicochemical processSlow mixing in chambers
What is flocculation?
Flocculation is a physicochemical operation designed to condition the particles previously destabilized during coagulation, promoting their transformation into larger, more consistent aggregates. This stage takes place in units designed to provide controlled hydraulic conditions, using slow-mixing systems such as paddle agitators or other low-speed mechanisms.
Sizing the unit takes into account parameters such as treatment flow, retention time and velocity gradient, because these determine the contact conditions between particles. Depending on the design, the process can be distributed across several chambers or compartments with different energy levels.
- 1Slow mixingControlled agitation increases collisions between particles.
- 2Floc formationParticles bind into larger aggregates.
- 3SeparationThe flow moves on to the corresponding separation unit.
Advantages
- Process control. Allows agitation conditions to be adjusted to the water characteristics.
- Greater floc stability. Helps obtain aggregates in suitable condition for subsequent handling.
- Adaptable configuration. Can be implemented with different designs and mixing stages.
- Hydraulic continuity. Easy to place between coagulation and the separation units.
The process, step by step
Coagulated water enters the flocculator and passes through a zone of controlled agitation. The movement increases the collision frequency between destabilized particles, allowing them to stick together and gradually build larger structures.
Along the hydraulic path, the aggregates develop until they are suitable for separation. In staged configurations, agitation intensity can be reduced toward the last chambers to limit shear on the flocs already formed. The flow is then sent to the corresponding separation unit.
From fine particles to separable flocs
Flocculation creates the conditions for the solids in the water to be separated more easily in subsequent stages, improving the overall efficiency of the treatment line.
Works well with
Every technology performs better within a well-designed treatment train.
- PhysicochemicalCoagulationDestabilizes colloids and fine solids through controlled coagulant dosing.View solution
- PhysicochemicalGEM systemFlocculation and flotation with LSGM heads to separate solids, fats and oils.View solution
- Aerobic biologicalMBBR systemBiofilm on moving carriers that degrades organic matter in a compact reactor.View solution
Need to improve flocculation of your effluent?
Send us your wastewater characterization and the flow to be treated. We will assess your case and propose the right solution, with local installation and technical service.
Contact us
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+593 2 280 8126
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+1 786 972 2008