Agitated Nutsche Filter Dryers Overview – Ideal For Processing High-Purity Substances

Perfect for a range of high-purity applications including pharmaceuticals, biomaterials, electronics-grade materials, and fine specialty chemicals, our Nutsche filters are the preferred choice for solid-liquid separation. This crucial operation often represents the final step in the manufacturing process before packaging. Typically, the valuable solids are suspended in a solvent slurry, filtered to remove liquid, further dried, and then harvested. In specialized cases where the liquid discharge is the product, our designs ensure effective separation while retaining unwanted solids within the filter. Pope Scientific’s systems reflect the highest standards in design, materials, manufacturing, welding, finishes, components, and functionality.

Our Agitated Nutsche filter dryers excel by integrating solids filtering, washing, re-slurrying, and drying into a single vessel, enhancing process efficiency and reducing both equipment cleaning times and exposure risks. These systems feature pressure capabilities that accelerate the filtering rate and vacuum capabilities that optimize filter cake drying at reduced temperatures, further supported by optional heating and cake agitation.

ANFD Units Available From Lab to Production Scale

From laboratory benches to pilot plants and full production scales, our Agitated Nutsche filter dryers cater to a vast range of volume requirements, from 0.2 to 1000 liters. Common features across our diverse models include:

• 316L stainless steel fabrication or other alloys including Hastelloy C-276/C-22 optionally available.
• ASME stamped and certified for full vacuum and pressures up to 200 psi, at a wide range of temperatures. Other certifications, including CE/PED, CRN and NR-13 available.
• High purity design, various pharmaceutical grade finishes including electropolishing; sanitary type ports are standard.
• Various harvest designs including side discharge valves or isolation systems.
• Optional jacketing for heating/cooling or electric heaters.
• Optional coatings including Teflon.
• Full range of optional agitation, including raising/lowering agitators and conventional mixers.
• Safety pressure relief valves or rupture disks.
• Spray assemblies for admitting filter cake washing/re-slurrying liquid and for CIP use.
• Valves for pressurization, vacuum, venting, slurry addition, draining, etc.
• Pressure/vacuum gauges, optional transmitters.
• Sight glasses and sampling ports.
• Other instrumentation such as temperature transmitters, level, pH, controllers, etc. available.
• Wide variety of filter pore sizes and types, 0.1 to 200 micron pore sizes, stainless steel, Hastelloy, polypropylene, special membrane and other filter materials available.

For more information on Pope Nutsche Filter Dryers, contact us today.