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Pressure Nutsche Filter are closed vessel filtration systems that are used for controlled batch-wise solid-liquid separation under pressure or vacuum. They can operate in an enclosed environment and thus are suitable for toxic, flammable, moisture-sensitive, and high-value products for which product containment, purity and operator safety are important.
The filtration process takes place inside a pressure-rated vessel fitted with a perforated support plate and suitable filter media. The pressure or vacuum is applied to push the liquid through the filter medium and the solids build up a uniform filter cake. The same vessel is used for washing and displacement of solvent and drying, which also minimises material transportation and product losses.
Geo Drytech's pressure nutsche filter can be customised to meet different batch capacities, product characteristics, operating conditions, and material requirements. These systems are widely used in pharmaceutical, chemical, fine chemical, agrochemical and speciality chemical industries where reliable filtration and controlled processing are required.
| MODEL NO. |
GEO PNF-100 |
GEO PNF-200 |
GEO PNF-500 |
GEO PNF-1000 |
GEO PNF-2000 |
GEO PNF-3000 |
GEO PNF-4000 |
GEO PNF-5000 |
GEO PNF-6000 |
GEO PNF-8000 |
GEO PNF-10000 |
GEO PNF-15000 |
GEO PNF-20000 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Working Capacity | 100 | 200 | 500 | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | 8000 | 10000 | 15000 | 20000 |
| Filtration Area (M²) |
0.2 | 0.28 | 0.78 | 1.1 | 2 | 3.1 | 4.1 | 5 | 6.1 | 8 | 10.1 | 12.5 | 16 |
| Cake Capacity (Liters) |
40 | 55 | 230 | 350 | 750 | 1160 | 1650 | 2000 | 2450 | 3100 | 4050 | 6250 | 8000 |
| Internal Dia (MM) |
600 | 800 | 1000 | 1200 | 1600 | 2000 | 2200 | 2600 | 2800 | 3200 | 3600 | 4200 | 4500 |
| Overall Height (MM) |
2600 | 3000 | 3200 | 3600 | 4200 | 4400 | 4600 | 4700 | 4800 | 5000 | 5300 | 5800 | 6000 |
|
Height Above Perforated Plate (MM) |
1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
Designed to handle controlled operating pressure and vacuum to ensure safe and reliable batch filtration. The hard-to-handle industrial applications are managed with the robust vessel design, which helps to maintain process integrity.
Enables a combination of processing stages like filtering, washing the cake, drying, etc., to be completed in a single vessel. This minimises product transfer, handling time and contamination or loss of material.
These may be made of suitable materials like stainless steel, Hastelloy, PFA, Tefzel or Halar Coating to accommodate various chemical environments. The type of material can be tailored to reflect product properties and process requirements.
For smooth and efficient removal of the filtered solid cake post-processing. This can minimise manual handling and facilitate cleaner, faster and sanitary product discharge.
Controlled operation and process monitoring is supported by safety features like sight glasses, safety valves and sampling ports. These conditions allow for operators to monitor and control the filtration process in a safer manner.
Agitation is available as an optional feature, which enhances the washing of the cake, mixing of the product and can increase the uniformity of the cake. It is especially beneficial in areas where there is a need for regular washing and better filtration.
Pharmaceutical products, intermediates, high purity materials are filtered using Pressure / Nutsche Filters. They are closed, which aids in the maintenance of product integrity, reduction of product contamination and safe processing.
The filters are appropriate for fine chemical plants as precise filters, cake washers and filters with controlled drying. Closed-vessel operation helps reduce material handling and product losses during processing.
Pigments, dyes and related chemical products are separated / washed with the help of Pressure / Nutsche Filter. They are well-built and have appropriate filter media so that they can offer effective filtration in challenging production situations.
These filtration systems can be used for solid-liquid separation in industrial wastewater treatment applications. They extract the suspended solids and filter cakes effectively and ensure controlled and sanitary handling of material.
Fully enclosed and sealed filtration helps minimise external contamination during processing. This is especially advantageous for high-purity, sensitive and valuable products.
This closed system minimises direct operator contact with process materials that could be toxic, flammable or dangerous. It offers a safe working environment and yet maintains controlled processing conditions.
The filtration, washing and drying process can be performed in the same vessel. This minimises the requirements for extra equipment, product transfers, handling losses and possible product contamination between processing stages.
Minimal exposure to the external environment helps to maintain product quality and purity in controlled batch processing. This renders the system appropriate for drug and fine chemical processing.
The built-in process design can be used to reduce the need for cleaning and solvent usage when compared to existing open filtration systems. This enhances operational efficiency and reduces processing costs.
A filtered solids cake discharge system which is properly designed allows for the filtered solids to be removed smoothly and efficiently. This will help in reducing batch turnaround time, material handling requirements, and production productivity.
