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Diefenbach is developing from over a century, exactly since 1907. This development is concretized in design and in a production of machineries for “sludge” filtration and dehydration.
The company ownes its name to the founder, Giorgio Diefenbach, who, at the beginning of the XX century in Monza (near Milan) opened a factory for presses production.
The target of the presses was the squeezing of the olives, process that needed, at the end, the “cleaning” of the product through the aid of filter presses, also made by Diefenbach.
In the 1950 the company focuses the production exclusively on the filter presses, able to filtrate oils and purifies the industrial wastewater.
From the beginning to the present, Diefenbach has been able to develop a know-how to allow itself to product over than 50 machines per year that operate in all the fields where the filtration is necessary. These fields range from Mining to Food Industry, each filter press borns to satisfy the specific requirements of our customers.
We preserve the principles and the approach for more than a century
YEARS IN THE SLUDGE DEHYDRATION MARKET
PROJECTS REALIZED SUCCESSFULLY
COUNTRIES WHERE WE OPERATE
DIEFENBACH RECESSED FILTER PRESS
THE BEST CHOICE FOR THE DEHYDRATION OF SLUDGE WITH HIGH SUSPENDED SOLIDS CONCENTRATION IN THE INLET AND LOW MOISTURE IN THE FINAL PRODUCT.
Reliability is the line guide that identifies Diefenbach filter presses.
Especially the high beam filter presses that guarantee maximum solidity
and high performance.
The high capacity allows the installation of a maximum of
180 plates 2500 x 2500 mm with a filtration pressure over than 16 bars.
• 200 tons of dehydrated product in one hour.
• 35 m³ volume of discharged product each cycle.
These are some performance examples of
Diefenbach filter presses in mining field.
liters: plate pack capacity
We guarantee reliability during the long cycles of clay and inert.
Evacuation of the central core. Performance cloths washing at 100 bar with tailored device.
tons of cake prodused in a week
Reinforced filtration plates.
“Empty chamber” membrane plates. Removable rubber membranes.
Temperature resistance of 120°C.
is the daily cost of maintenance
Design and reliability.
No deformation of any kind.
The opening of the plate pack is instantaneous.
To be able to size the best filter press it is necessary to know all the cycle parameters.
The tests we make in our laboratories offer the opportunity to simulate every process scenario (recessed plate and mix membrane plate with different thickness of the chamber, washing cake, squeezing and blowing of the cake).Tests help us to choose the best cloth for your sludge and help us to optimize parameters like working pressure and temperature.
The versatility of our pilot filters offers the opportunity to make tests directly from our customers using a little quantity of sludge.All these skills are a further added value to the effectiveness of the Diefenbach method.
Installation and start up supervision
Filter presses maintenance
Diefenbach supports the customer in the maintenance phase, in order to reduce problems and minimize downtime.
Innovation of filtration techniques and equipment
The design of the equipment is constantly evolving, to ensure better performance in every area of filtration.
Filtration in Lab
Diefenbach cares about the analysis of the process in every detail.
Analysis is done in the laboratory, where monitoring of each parameter
is guaranteed by the versatility of the pilot filter.
Equipment that simulates each scenario by acting on the individual aspects of filtration.