CAST IRON / MILD STEEL
12" TO 48" / SS 304/PP
MANUAL, RATCHED GEAR, HAND HYDRAULIC AND POWER HYDRAULIC
UPTO 7 kg/cm2
PP/NYLON/ POLYESTER/ COTTON
UPTO 60 C
In many industrial processes, separating solids from liquids is a critical step. Whether you’re working in chemical manufacturing, pharmaceuticals, food processing, or waste management, handling slurry or sludge efficiently can directly affect productivity, cost, and compliance. One solution that consistently delivers results across multiple sectors is the industrial filter press.
A filter press is not just a machine. It’s a key part of a well-functioning system that improves filtration quality, reduces waste, and minimizes downtime. Over the years, its role has evolved, but its core function remains the same: providing a reliable and cost-effective way to separate solids from liquids.
| Industry | Common Applications | Material Preferences |
|---|---|---|
| Chemical | Pigment recovery, wastewater treatment | PP, SS316, PVDF |
| Pharmaceutical | API filtration, solvent recovery | SS316L, EPDM seals |
| Food & Beverage | Juice clarification, oil filtration | Food-grade PP, SS304 |
| Mining & Minerals | Slurry dewatering, metal recovery | High-pressure PP, Rubber lined |
| Textile | Dye recovery, effluent treatment | PP, SS |
| Ceramics | Clay recovery, glaze filtration | PP, Ceramic-coated plates |
Industrial filter presses have been adopted widely for several reasons:
High filtration efficiency
Low moisture content in the filter cake
Consistent performance over long cycles
Customizable design for different applications
Lower operational cost compared to other filtration methods
These benefits make filter presses suitable for a wide range of industries, each with its own unique requirements.
Pharmaceutical processes demand a high degree of precision, cleanliness, and regulatory compliance. Filter presses play a critical role in applications like:
Filtering active pharmaceutical ingredients (APIs)
Clarifying liquids before further processing
Managing biological waste and fermentation by-products
Solvent recovery
Materials like SS316L are used to meet hygiene standards and resist chemical corrosion. Equipment must also allow for easy cleaning and validation. In this industry, traceability and documentation are just as important as performance.
Food and beverage production often involves handling natural materials that vary in composition. Filtration is needed to ensure consistent quality and safety. Filter presses are ideal for:
Food-grade components and hygienic design are essential. Equipment must also be easy to clean and should not affect the taste, color, or smell of the final product. For these reasons, materials like food-grade polypropylene and stainless steel are commonly used.
Vasu’s PP Filter Press gave us consistent output with zero downtime. Quality is better than other vendors.
We switched to Vasu’s MBBR Media in our ETP plant. Biofilm grew faster and media remained stable under load.
Tube Deck Media from Vasu reduced our settling time and sludge issues. Good performance in compact STPs.
Coarse Bubble Diffuser gave even air distribution. Setup was quick and it’s been running well for over a year.
We installed Fine Disc Diffusers in our plant. Noticed better oxygen levels and lower energy use immediately.
We trust Vasu for Tube Settler Media. The material quality is great and works efficiently even in high TSS.
We’ve been using PP Filter Press from Vasu for 2+ years. Strong build, smooth performance, and zero leakage issues.
Vasu’s MBBR Media helped improve our STP output quickly. No clogging, fast biofilm growth, and great durability.
After installing their Tube Deck Media, settling improved instantly. Easy to handle and works well in clarifiers.
The chemical industry deals with aggressive, reactive, and often hazardous materials. Filtration here is about more than just separating solids and liquids—it’s about safety, efficiency, and product purity.
Filter presses are commonly used for:
Recovering catalysts
Separating pigments and dyes
Treating chemical wastewater
Removing impurities from process liquids
Depending on the chemical nature of the slurry, the press is often made with corrosion-resistant materials such as stainless steel or polypropylene. The equipment is designed to withstand high pressure and operate safely under demanding conditions.
The basic operation of a filter press can be broken down into a few steps:
Filling: Slurry is pumped into the press and spreads through the chambers between the filter plates.
Filtration: Pressure forces the liquid through the filter cloths while the solids remain trapped, forming a cake.
Cake Drying (Optional): Additional air or pressure may be applied to remove excess moisture.
Plate Opening: Once the cycle is complete, the plates are separated and the dry cakes fall out.
This cycle can be adjusted based on the specific needs of the process—some materials require faster cycles, others benefit from longer drying phases.
Apart from chemical, pharmaceutical, and food processing, filter presses are used in:
Mining and minerals: For dewatering mineral slurries and tailings
Textile manufacturing: For dye recovery and wastewater treatment
Ceramics and glass: To recycle glaze or clay slurry
Wastewater treatment plants (ETP/STP): For sludge dewatering and compliance with disposal standards
Paper and pulp: For fiber recovery and effluent treatment
Each of these applications has unique challenges, and the filter press must be customized accordingly—from the type of filter cloth used to the materials used in construction.
To understand the system better, it helps to know what goes into a filter press:
Filter Plates: These hold the filter cloths and form the chambers where the cake is collected.
Filter Cloths: The actual filtration media, selected based on particle size and chemical compatibility.
Hydraulic System: Used to clamp the plates tightly and ensure a leak-proof seal.
Feed Pump: Supplies slurry into the press at controlled pressure.
Control Panel: Automates the filtration cycle, especially in semi-automatic and automatic models.
Each of these components must be chosen carefully to match the process conditions and desired output.
In industries where solid-liquid separation is a routine but critical step, an industrial filter press provides a dependable, efficient, and adaptable solution. Whether you’re looking to improve your filtration process, reduce operational costs, increase throughput, or meet stricter environmental guidelines, the filter press is a tool worth considering.
Its design may be simple, but its impact is significant. From reducing waste volume and improving product clarity to lowering disposal costs and optimizing production cycles, the benefits of a well-chosen filter press are hard to ignore. And when it’s built with your specific process in mind—using the right materials, filter media, settings, and automation level—it can become a cornerstone of your production system that delivers long-term reliability and consistent performance across shifts, batches, and product lines.
At the core, the success of any industrial filtration system depends on alignment—between the equipment and the application, the output and the expectations, and the design and the demands of day-to-day operation. A properly selected and maintained industrial filter press can not only handle tough jobs but also streamline your workflow, improve regulatory compliance, and lower your total cost of ownership.
An industrial filter press is a solid-liquid separation device used in various industries. It uses pressure filtration to separate sludge or slurry into a solid cake and clear filtrate. The slurry is pumped into the chambers, where pressure is applied, and the liquid passes through filter media, leaving solids behind.
In the chemical industry, filter presses are used to separate chemical compounds, remove impurities, and recover valuable solids. They are ideal for corrosive environments due to their robust construction and chemical-resistant materials like SS 304 and PP nozzles.
Pharmaceutical companies use filter presses to maintain product purity and remove fine particles from suspensions. Filter media like polypropylene or nylon ensure compliance with sanitary standards while offering efficient filtration under pressure.
Key factors include filter size (12” to 48”), material (cast iron, mild steel), type of closing device (manual, ratchet gear, hydraulic), working pressure (up to 7 kg/cm²), and compatibility with filter media (PP, nylon, polyester, cotton). Also, consider operating temperature and chemical resistance based on your application.
Yes, filter presses are widely used in the food industry for applications like juice clarification, edible oil purification, and starch recovery. Materials and filter media used must comply with food-grade standards to ensure safety and hygiene.
Lalit Nankani
Managing Partner, Vasu Pharmatech
Lalit Nankani has over 12 years of experience in the filtration and water treatment industry. He leads Vasu Pharmatech, a trusted name in making PP Filter Press Systems, MBBR Filter Media, and other filtration products.
Under his leadership, the company has delivered high-quality solutions to many industries like pharmaceuticals, chemicals, food and beverage, textiles, and wastewater treatment. Lalit believes in providing strong, easy-to-use, and cost-effective systems that help businesses clean and reuse water.
We certify that M/s. Vasu Pharmatech, located at 66B, Pocket AD Shalimar Bagh, Delhi-110088, supplied us with a Pharmatech filter press for our 275 KLD ETP plant at M/s. Asian Colour Coated Ispat Ltd. in Bawal, Dist: Rewari (Hr.). The plant was started in January 2018 and is still working well. The product and its performance have been satisfactory up to now.
Industrial Filter Press, filter press in chemical industry
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