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CE 116 Cake and Depth Filtration
Education / GUNT Hamburg / Process Engineering / Mechanical Process Engineering /

With CE 116 the processes in depth filtration and cake filtration can be observed and investigated. The suspension (water and diatomite as the solid) flows from the hopper into the top of the filter element, where the solids are separated off. The filtrate flows through a flow meter into the drain. The filter element has a porous filter medium at the bottom. In cake filtration, the filter medium provides the foundation for build-up of the filter cake. In depth filtration, the filter medium supports the bulk solids (filter medium layer; gravel). A two-tube manometer measures the pressure loss over the filter element. 

  The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.


Learning Objectives / Experiments
- fundamentals of filtration: Darcy’s equation
- depth filtration with different bulk solids and suspensions
- cake filtration with different suspensions
- identification of characteristic filtration values

[1] fundamentals of cake and depth filtration
[2] filter element with sintered filter medium on its bottom to capture the particles
[3] pressure loss measurement with 2-tube manometer
[4] height-adjustable filler hopper made of
DURAN glass
[5] flow meter with needle valve for adjustment 
[6] balance (CE 116.01) to register the filtrate quantity available as accessory


Technical Data

Filter element
- filter chamber height: 8,5cm
- inside diameter: approx. 3,7cm
- cross-sectional area: approx. 11cm2
- tube material: DURAN glass 
Filter medium, sintered filter SIKA 100
- pore size: 100µm

- thickness: 2mm
- material: sintered metal
Measuring ranges
- flow meter: 40...360ml/min
- 2-tube manometer: 0...500mmWC
- thermometer: -10...100°C 
2 measuring cups
- 1.000ml, scale division: 10ml
- 100ml, scale division: 2ml


Dimensions and Weight
LxWxH: 450x410x1.000mm
Weight: approx. 20kg
Required for Operation
Drain recommended
Scope of Delivery
1 experimental unit
1 packing unit of gravel (1...2mm)
1 packing unit of diatomite
2 measuring cups
1 stopwatch
1 thermometer
1 set of instructional material
Order Details
083.11600  CE 116  Cake and Depth Filtration