Dutch Filtration developed a High Flow Filter Press equipped with a semi-automatic plate shifter. The pneumatic plate shifter can very easily the move the plates, even when weighing more than 150 kg (330 lbs) when full.

The system is 100% safe, with two hands on grips with buttons very easy to operate. From both sides a plate shifter will move the plates pneumatically. The semi-automatic plate shifter is very compact compared with full automated systems. The semi- automatic plate shifter is developed for movement of very heavy plates which are difficult to move by one operator.

We design and manufacture Filter Presses with various filtration areas, ranging from 600 till 2,400 sq. ft.

Features Filter Press Dutch Filtration

  • Compact footprint
  • Frame designed according to, and certified to DNV 2.7-1
  • Pneumatic powered hydraulic system and plate shifting system
  • All wetted parts SS316
  • Connections unions fig. 206
  • Stainless steel control cabinet

Benefits

  • Fits on every on-/offshore installation
  • Designed to global on-/offshore requirements
  • Simple and reliable
  • No corrosion issues
  • 100% leak-proof and easy sealing with uniform pressure
  • Robust and no corrosion
  • Able to handle high solid loaded fluids

What is a Filter Press

A Filter Press is used for liquid/solid separation. It’s called a Filter Press because pressure is used to separate the liquids and the solids. The Filter Press consists of a set of vertical recessed plates pressed by each other through hydraulic cylinder. A slurry is pumped into a Filter Press and under pressure water flows through the plates and build up filter cake. Each filter plate must withstand the internal pressure developed by the sludge pumped into the Filter Press. Therefor the it must withstand high pressures. The main components of a Filter Press include the filter plates with filter cloths, the frame, piping and valves. The working principle of a filter press is based on slurry solids (mostly Diatomaceous Earth) building up on the filter cloth forming the filter cake. The slurry is mixed in a slurry tank and is pumped into the Filter Press. The wastewater is then pumped into it and passes through the filter cake and cloths, the filtered water exits the filter plates through the outlet. The solids will be built up within the chambers until they are full and the cycle is completed. The filter cake must be released and filter cloth must be cleaned.

Filtration time depends on:

  • Sludge concentration
  • Specific resistance
  • Cake thickness
  • Compressibility coefficient

The first filter press was built around the 1800’s and then it was called a “plate and frame” filter, sometimes people still use this term.

Filter Press Applications

Because the size of a filter press can vary from very small (lab-scale) to very large Filter Presses (250m2) filter presses can be used in a broad spectrum of applications such as;

  • Completion Fluids
  • Work-over Fluids
  • Gravel-pack Fluids
  • Wellbore Clean-up fluids
  • Food and Beverage
  • (Bio) Diesel
  • Surface Water Intake
  • Process Water
  • Frac Fluids
  • Wastewater
set-equipment-Dutch-Filtration

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