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Agitated Glass Nutsche Filter

Agitated Glass Nutsche Filter

An Agitated Glass Nutsche Filter combines filtration, cake washing, re-slurrying and drying in one enclosed pressure-and-vacuum system, reducing operator exposure, cross-contamination and product loss. Its motor-driven, height-adjustable agitator smooths the filter cake to prevent channelling, re-slurries the cake during washing and compresses it before drying. Made from high-purity borosilicate glass 3.3, the vessel provides clear visibility throughout the process, allowing operators to monitor cake height, slurry consistency, colour and liquid clarity. The chemically inert glass construction is also suitable for aggressive acids, organic solvents and reactive compounds without metallic contamination or corrosion.
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Key Features

  • Multi-Step Single-Vessel Processing: Executes filtration, solvent washing, re-slurrying, cake compression and vacuum drying within one enclosed system.
  • Corrosion-Resistant Borosilicate Construction: Built with certified borosilicate glass 3.3 and PTFE wetted components to prevent product contamination and handle harsh chemical reagents.
  • Variable-Speed Agitator: Features an adjustable agitator with a mechanical seal that enables bidirectional rotation, vertical movement, cake smoothing and controlled cake discharge.
  • Full Visual Process Control: A clear glass body allows continuous visual monitoring of slurry mixing, cake thickness and wash-fluid drainage.
  • Hermetic Enclosed Safety: Keeps hazardous fumes and volatile solvents contained, protecting laboratory personnel and meeting strict environmental compliance standards.

Specifications

Specification Parameter System Capability
Material Construction Borosilicate Glass 3.3, PTFE seals and linings
Working Volumes 5 Litres up to 200 Litres (Pilot and Production scale)
Operating Modes Positive Pressure Filtration and Deep Vacuum Duties
Temperature Range -50°C to +200°C (via Jacketed Glass Body)
Filtration Media Options Sintered Glass, PTFE Mesh or Stainless Steel Filter Plates
Agitation System Variable-speed drive motor with mechanical seal assembly
Utility Connections Nitrogen purge, vacuum line, heating/cooling fluid, bottom drain

Applications

  • Pharmaceutical Intermediate Isolation: Separates active pharmaceutical ingredients (APIs) and reactive intermediates under sterile, enclosed conditions.
  • Fine Chemical Synthesis: Manages corrosive solid-liquid separations involving concentrated mineral acids and halogenated organic solvents.
  • Crystallisation & Purification: Performs controlled solid precipitation, mother liquor removal and multi-stage solvent washing cycles.
  • Closed-System Drying: Uses jacketed temperature control and vacuum pressure to dry moisture-sensitive compounds without opening the vessel.
  • Pilot Plant Reactor Trains: Integrates smoothly downstream from glass reaction units for seamless scale-up from benchtop R&D to pilot production.

Why Choose Goel Scientific Agitated Glass Nutsche Filters?

Goel Scientific Glass Works Ltd. engineers high-performance glass filtration systems designed for demanding research and industrial production suites. Every Goel Scientific Agitated Glass Nutsche Filter uses precision-engineered borosilicate 3.3 glass, high-integrity mechanical seals and customisable PTFE filter plates that ensure leak-proof vacuum performance and long service life. By combining robust structural frames, precise variable-speed agitators and jacketed temperature zones, Goel Scientific provides complete technical packages tailored to your process requirements, helping chemical facilities improve yields, reduce batch processing times and uphold worker safety.

FAQs

An Agitated Glass Nutsche Filter separates solid products from liquid slurry mixtures. It performs filtration, solvent washing, cake smoothing and vacuum drying within a single, closed borosilicate glass vessel.

Slurry enters the vessel under vacuum or pressure and passes through a porous filter plate at the bottom. An adjustable internal agitator levels and compresses the solid cake, re-slurries it during solvent washing and assists in drying and cake discharge.

A standard Nutsche filter relies on gravity, vacuum or pressure to push liquid through a static filter bed. An agitated Nutsche filter adds a motorised internal impeller that smoothens, stirs and compresses the cake, speeding up washing and drying.

System working capacities range from small-scale 5-litre laboratory units up to 200-litre pilot and production-scale systems.