Precipitation And Flocculation Hydrodynamics Experiment Apparatus Didactic Equipment

SR3023 Precipitation And Flocculation Hydrodynamics Experiment Apparatus Didactic Equipment

The unit shall perform the following experiments and investigations:

Learning Objectives / Experiments

familiarisation with precipitation and flocculation

effect of the pH value on precipitation

creation of a stable operating state

determination of the required metering quantities (precipitant, coagulant, flocculant)

functional principle of a lamella separator

Specification

[1]precipitation and flocculation of dissolved substances (e.g. iron)

[2]separate supply unit with tank and pump for raw water

[3]precipitation tank with stirring machine

[4]flocculation tank with 3 chambers and 4 stirring machines

[5]3 metering pumps for chemicals

[6]sedimentation of the flocs in the lamella separator

[7]measurement of flow rate, temperature and pH value

[8]control of the pH value in the precipitation tank

[9]conductivity meter

Technical Data Tanks

raw water and treated water: each 300L

precipitation tank: 10L

flocculation tank: 45L

sludge tank: 15L Lamella separator

number of lamellas: 6

angle of inclination of lamellas: 60°

Raw water pump

max. flow rate: 180L/h

max. head: 10m Metering pumps

max. flow rate: each 2,1L/h

max. head: each 160m Stirring machines

max speed: each 600rpm Measuring ranges

flow rate: 15…160L/h

pH value: 0…14

temperature: 0…60°C

conductivity: 0…2000µS/cm

Dimensions and Weight

LxWxH: 1550x790x1150mm (supply unit) LxWxH: 3100x790x1950mm (trainer) Total weight: approx. 435kg

Material of construction: stainless steel