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ANDRITZ AG
ANDRITZ Krauss-Maffei DCF crossflow filter

ANDRITZ Krauss-Maffei DCF crossflow filter

Product catalog summary

Krauss-Maffei DCF Crossflow Filter Overview
The Krauss-Maffei DCF crossflow filter utilizes dynamic membrane filtration, a state-of-the-art method for separating substances with poor filtration properties, particularly in chemical applications involving solvents and abrasive materials. This technology is gaining popularity due to its efficiency in handling sensitive or highly viscous products where traditional cross-flow filtration methods fall short.

Dynamic Crossflow Filtration (DCF) Technology
DCF technology employs overlapping, rotating discs to create a turbulent cross-flow without the need for a pump, significantly reducing the formation of clogging layers on filter membranes. This method allows for higher wall shear stress, at least 50% more than conventional systems, enhancing permeate flow and reducing energy consumption. Ceramic filter membranes are standard, with options for metal and polymer membranes.

Advantages of DCF

Higher permeate flux and retentate concentration.
Processes highly concentrated suspensions up to 3,000 mPas viscosity.
80% reduction in energy consumption compared to traditional membranes.
Substantial savings in subsequent evaporation or drying processes.
Reduced operation costs and a wider range of applications.
Effective prevention of clogging layers, reducing supply pressure.
Homogeneous trans-membrane pressure and low dead volume.
Easy inspection due to external filtration surface.

Applications
DCF technology is applicable in various sectors, including bio-pharma (cell harvesting, proteins, enzymes), food and beverages (biomass, juices, vegetable oil), chemical industry (hydroxides, pigments, polymers), and alternative energy sources (silicon-cutting slurry, micro-algae). It is also used in processing liquids and separation/washing of materials.

Technical Data

Filter area: 0.03 m²-16.4 m²
Viscosity: up to 3,000 mPas
Membrane pore size: 7 nm-2 µm

Contact Information
ANDRITZ AG, Stattegger Strasse 18, 8045 Graz, Austria. Phone: +43 (316) 6902 0. Email: [email protected]. Website: www.andritz.com
ANDRITZ KMPT GmbH, Industriestrasse 1-3, 85256 Vierkirchen, Germany. Phone: +49 (0)8139 80299 - 0. Email: [email protected]

Disclaimer
All information provided is without obligation and does not form part of any sales contracts. Unauthorized use of this material is a violation of copyright laws.

Catalog excerpts

ANDRITZ Krauss-Maffei DCF crossflow filter-1

Krauss-Maffei DCF crossflow filter Dynamic membrane filtration

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ANDRITZ Krauss-Maffei DCF crossflow filter-2

Krauss-Maffei DCF crossflow filter Dynamic membrane filtration Crossflow methods for separating branes are installed as standard, but metal substances with poor filtration prop- and polymer filter membranes can also be erties are state of the art. In chemical installed. Upgrades for existing plants by ar- applications with solvents, abrasive ranging a DCF downstream of a traditional crossflow filter enhances the process, re- ramic filter membranes is gaining duces energy costs, and increases the throughput. In any event, removal of bottle- In traditional cross-flow filtration, the devel-...

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ANDRITZ Krauss-Maffei DCF crossflow filter-3

Applications Concentration of material Food & beverages • Cell harvesting • Gelatine • Rnzymes Food & beverages • Recovery of water in starch processes • Aromatics Biodiesel Chemical industry • Raw oil from solids, sludge • Hydroxides, colloids • Pigments • Waste streams • Latex • Titanium oxide Chemical industry • Calcium carbonate • Recovery of solvents and valuable liquids Alternative energy sources • Silicon-cutting slurry Food & beverages Technical data (per module): Filter area Highly viscous chemical retentate Highly viscous biotech retentate Purified fermentation broth

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ANDRITZ Krauss-Maffei DCF crossflow filter-4

ANDRITZ stands for ultimate know-how in solid/liquid separation. Our decade-long background in this field and comprehensive technology offering enable us to supply our customers with the best solution for each application, whether in municipal or industrial sewage sludge treatment, the chemical or food industry, or for preparation of minerals and ores. Food ANDRITZ KMPT GmbH Industriestrasse 1-3 85256 Vierkirchen, Germany Phone: +49 (0)8139 80299 - 0 [email protected] ANDRITZ AG Stattegger Strasse 18 8045 Graz, Austria Phone: +43 (316) 6902 0 [email protected] www.andritz.com All data, information,...

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