Q1: What is the primary advantage of a membrane filter press over a conventional chamber press?

The primary advantage is the significantly lower moisture content achieved in the filter cake. Membrane plates use high-pressure squeezing (air or water) after the initial filtration, reducing the cycle time and the volume of wet waste.

Q2: What is the typical range of cake solids content for a membrane press?

Membrane filter presses can typically achieve cake solids contents ranging from 40% to over 60%, depending on the slurry type, which is significantly higher than conventional chamber presses.

Q3: How does the membrane squeezing process work?

After the filtration stage, water or compressed air is pumped into the hollow area between the membrane and the backing plate, causing the flexible membrane to inflate and compress the filter cake.

Q4: Is the membrane plate suitable for all applications?

Membrane plates are suitable for most applications, especially those where high cake dryness and short cycle times are critical. They are often less suitable for highly abrasive slurries that could damage the flexible membranes.

Q5: What are the main components of a membrane filter press?

Key components include the frame, hydraulic system, filter plates (chamber and membrane), filter cloths, and the automatic cake discharge mechanism.

Q6: What maintenance is required for the membrane plates?

Maintenance mainly involves periodic inspection for tears or leaks in the membrane material. If a membrane is punctured, it must be replaced to maintain high squeezing pressure.

Q7: Does membrane technology reduce filtration cycle time?

Yes, by incorporating the high-pressure squeezing phase, the membrane technology can drastically reduce the overall filtration cycle time compared to traditional presses that rely solely on filtration pressure.

Q8: What is the maximum squeezing pressure used in a membrane press?

Squeezing pressures typically range from 8 bar up to 16 bar, sometimes higher for specialized applications, depending on the plate design and the strength of the filtration medium.

Q9: How is the filtrate clarity affected by the membrane press?

The filtrate clarity is primarily determined by the filter cloth and the initial filtration pressure. The squeezing phase maximizes dewatering but does not significantly change the filtrate clarity achieved during the previous stage.

Q10: Are membrane presses more energy efficient?

While they require energy for the squeezing phase, the reduced filtration time and the lower residual moisture often translate to lower overall operational costs and greater efficiency compared to other dewatering technologies.

Q11: Can a membrane press be fully automated?

Yes, modern membrane presses are typically equipped with full automation, including automatic cloth washing, plate shifting, and intelligent control systems for optimizing the pressing cycle.

Q12: What is the typical lifetime of a membrane plate?

The service life of a membrane plate depends on operating conditions and chemicals used, but with proper care, it generally lasts between 1 to 3 years before replacement is needed.

Membrane Filter Press

Achieve Lowest Cake Moisture With High-Pressure Secondary Squeezing Technology

Superior Solid-Liquid Separation With Membrane Squeeze Technology

The Membrane Filter Press (also known as a diaphragm filter press or membrane squeeze filter press) represents the pinnacle of solid-liquid separation technology. Engineered for demanding industrial applications, this membrane squeeze technology significantly reduces cake moisture content by 5-15% compared to chamber filter presses, resulting in lower disposal costs, reduced drying time, and improved downstream processing efficiency.

At Loway Equipment, we specialize in delivering robust, high-performance membrane plate filter press solutions that maximize operational efficiency and minimize environmental impact. Our systems are designed for reliability, ease of maintenance, and seamless integration into your existing process line.

Contact our engineering team for technical specifications and pricing.

Key Features & Benefits

Why Choose Loway Membrane Filter Press?

Your choice of dewatering equipment directly impacts profitability and compliance. Our diaphragm filter press technology provides a clear competitive edge through measurable performance improvements.

Key Benefit	Loway Membrane Filter Press Performance	Value Proposition for Your Business
Lowest Cake Moisture	The membrane squeeze function applies mechanical pressure (up to 16 bar or higher) to the cake. Achieves 15% to 30% moisture content, often 5-15% lower than conventional presses.	Reduced Disposal Costs: Lower moisture means less weight to transport and dispose of, leading to significant cost savings.
Faster Cycle Times	The membrane squeeze cycle reduces filtration time by up to 50%.	Increased Throughput: Higher production capacity without increasing the machine footprint.
Optimized Cake Washing	Allows for more effective cake washing and recovery of valuable filtrate. Perfect for chemical and mining applications.	Improved Product Recovery: Maximizes the yield of valuable materials, enhancing profitability.
Flexible Operation	Variable squeeze pressure allows for process optimization based on slurry characteristics.	Process Versatility: Handles a wider range of slurries and ensures consistent results.
Automated Efficiency	Our automatic membrane filter press systems feature PLC controls, automatic plate shifting, and drip tray integration for 24/7 operation.	Lower Labor Costs: Minimal operator intervention required, improving workplace safety and efficiency.
Robust Plate Design	We use high-quality reinforced Polypropylene (PP) for our diaphragm filter press plates, ensuring durability under high-pressure inflation.	Lower total cost of ownership (TCO)

Applications Across Industries

Our membrane plate filter press systems deliver reliable performance in demanding industrial environments:

Dewatering concentrates and tailings (e.g., copper, gold, iron ore) where low moisture is critical for transportation and processing.

Tailings dewatering and management
Concentrate thickening
Mine water treatment
Reduced environmental impact through lower moisture waste

Separation of fine chemicals, pigments, and pharmaceutical intermediates often requires superior cake washing capabilities.

Catalyst recovery
Pigment and dye filtration
Fine chemical purification
Waste volume reduction

Achieving the lowest possible moisture content in municipal and industrial sludge significantly reduces disposal volume and cost.

Municipal sludge dewatering
Industrial effluent treatment
Drinking water clarification
Landfill leachate processing

Processing edible oils (like membrane filter press for palm oil), fruit juices, and brewing waste, where hygiene and material compatibility are paramount.

Edible oil refining
Starch recovery
Brewery and distillery waste
Fruit juice clarification

Pulp and paper industry
Ceramic and clay processing
Metal finishing wastewater
Fine sand moisture removal for construction materials

How the Membrane Squeeze Filter Press Works

Membrane Filter Press Working Principle

The core innovation of the membrane filter press working principle lies in the secondary dewatering stage. After the initial filtration phase, where slurry is pumped into the chambers and filtrate passes through the filter cloth, the membrane plates are inflated.

Feeding: Slurry is pumped into the filter chambers at controlled pressure (0.6-1.0 MPa). Solids are retained by the filter press membrane cloth, forming a cake.
Initial Filtration: Similar to a chamber press, filtrate passes through the cloth and exits the machine.
Membrane Squeeze (The Key Difference): Once the feed pump stops, a squeezing medium (compressed air or water) is pumped behind the flexible membrane of the membrane plate (up to 2.0 MPa). This inflates the membrane, physically compressing the filter cake to squeeze out remaining moisture.
Air Blow (Optional): High-pressure air is blown through the cake to remove final residual liquid.
Discharge: Hydraulic system opens the plate pack, and the dry cake is discharged automatically. Automatic cloth washing system (optional) prepares for the next cycle

This two-stage process ensures maximum dewatering efficiency, making it the preferred solution for applications requiring the driest possible cake.

The squeezing pressure can be adjusted based on slurry characteristics, making this the ideal filter press to remove moisture from fine sand, sludge, or biological waste.

Get Your Custom Membrane Filter Press Solution

Whether you need a compact unit for pilot testing or a high-capacity automatic system, Loway Equipment delivers reliable membrane filter press solutions backed by expert engineering support.

Contact our technical sales team now

Technical Specifications

Plate Sizes: 800mm, 1000mm, 1250mm, 1500mm, 2000mm.
Squeeze Pressure: Standard 1.0 MPa (10 Bar), High Pressure up to 1.6 MPa (16 Bar).
Squeezing Medium: Compressed Air or Water.
Plate Material: Reinforced PP / TPE Membrane.
Control System: Siemens/Schneider PLC.

X(AMYZ)G20-80/800-U(BK) diaphragm filter press technical parameter table
Technical parameters: Cylinder working stroke 380, maximum stroke 410, filter plate size length × width × thickness: 800 * 800 * 60; diaphragm plate size length × width × thickness: 800 * 800 * 65 Note: The foundation of the automatic pull plate model is extended by 100mm
Model	Filtration area (m²)	Diaphragm plate/ filter plate quantity (pieces)		Filter cake thickness (mm)	Filter chamber volume	Foundation size (mm)	Machine weight (Kg)	Dimensions (mm)
Model	Filtration area (m²)	Diaphragm plate/ filter plate quantity (pieces)		Filter cake thickness (mm)	Filter chamber volume	Foundation size (mm)	Machine weight (Kg)	Length	Width	high
X(AMYZ)G20/800-U(BK)	20	10	11	30	320	2380	2280	3080	1200	1150
X(AMYZ)G30/800-U(BK)	30	15	16		480	3000	2830	3700
X(AMYZ)G40/800-U(BK)	40	20	21		640	3620	3380	4330
X(AMYZ)G50/800-U(BK)	50	25	26		800	4250	3930	4950
X(AMYZ)G60/800-U(BK)	60	30	31		960	4880	4480	5580
X(AMYZ)G70/800-U(BK)	70	35	36		1120	5500	5030	6200
X(AMYZ)G80/800-U(BK)	80	40	41		1280	6130	5580	6830

X(AMYZ)G40-120/1000-U(BK) diaphragm filter press technical parameter table
Technical parameters: working stroke 480, maximum stroke 510, filter plate size length × width × thickness: 1000mm * 1000mm * 70mm; diaphragm plate size: length × width × thickness: 800 * 800 * 72 Note: The foundation of the automatic plate model is extended by 120mm
Model	Filtration area (m²)	Diaphragm plate/ filter plate quantity (pieces)		Filter cake thickness (mm)	Filter chamber volume (L)	Foundation size L (mm)	Machine weight (Kgs)	Dimensions (mm)
Model	Filtration area (m²)	Diaphragm plate/ filter plate quantity (pieces)		Filter cake thickness (mm)	Filter chamber volume (L)	Foundation size L (mm)	Machine weight (Kgs)	Total length L	Width	high
X(AMYZ)G40/1000-U(BK)	40	12	13	30	600	2829	4300	3630	1520	1400
X(AMYZ)G50/1000-U(BK)	50	15	16		750	3255	4700	4050
X(AMYZ)G60/1000-U(BK)	60	18	19		900	3681	5100	4480
X(AMYZ)G70/1000-U(BK)	70	21	22		1050	4107	5500	4900
X(AMYZ)G80/1000-U(BK)	80	24	25		1200	4513	5800	5330
X(AMYZ)G90/1000-U(BK)	90	27	28		1350	4959	6250	5750
X(AMYZ)G100/1000-U(BK)	100	30	31		1500	5385	6650	6180
X(AMYZ)G110/1000-U(BK)	110	33	34		1650	5811	7050	6610
X(AMYZ)G120/1000-U(BK)	120	36	37		1800	6237	7500	7030

X(AMYZ)G100-300/1250-U(BK) diaphragm filter press technical parameter table
Technical parameters: working stroke 750, maximum stroke 830, filter plate size length × width × thickness: 1250mm1250mm72mm; diaphragm plate length × width × thickness: 1250125078
Model	Filtration area (m²)	Diaphragm plate/ filter plate quantity (pieces)		Filter cake thickness (mm)	Filter chamber volume	Foundation size L (mm)	Machine weight (Kgs)	Dimensions (mm)
Model	Filtration area (m²)	Diaphragm plate/ filter plate quantity (pieces)		Filter cake thickness (mm)	Filter chamber volume	Foundation size L (mm)	Machine weight (Kgs)	Length	Width	high
X(AMYZ)G100/1250-U(BK)	100	19	20	30	1500	4534	8800	5764	1600	1550
X(AMYZ)G110/1250-U(BK)	110	21	22		1650	4846	9500	6074
X(AMYZ)G125/1250-U(BK)	125	24	29		1875	5314	10200	6430
X(AMYZ)G140/1250-U(BK)	140	27	28		2100	5782	11500	6835
X(AMYZ)G160/1250-U(BK)	160	31	32		2400	6404	12500	7424
X(AMYZ)G180/1250-U(BK)	180	34	35		2700	6874	13800	8104
X(AMYZ)G200/1250-U(BK)	200	38	39		3000	7498	14500	8728
X(AMYZ)G225/1250-U(BK)	225	43	44		3375	8220	15300	9228
X(AMYZ)G250/1250-U(BK)	250	48	49		3750	9056	16700	10280
X(AMYZ)G300/1250-U(BK)	300	57	58		4500	10614	18500	12010

X(AMYZ)G200-500/1500-U(BK) diaphragm filter press technical parameter table
Technical parameters: working stroke 800, maximum stroke 1000, filter plate size length × width × thickness: 1500mm * 1500mm * 80mm diaphragm plate size length × width × thickness: 1500mm * 1500mm * 85mm
Model	Filtration area (m²)	Diaphragm plate/ filter plate quantity		Filter cake thickness (mm)	Filter chamber volume	Foundation size L (mm)	L2 size (mm)	Machine weight (Kgs)	Dimensions (mm)
Model	Filtration area (m²)	Diaphragm plate/ filter plate quantity		Filter cake thickness (mm)	Filter chamber volume	Foundation size L (mm)	L2 size (mm)	Machine weight (Kgs)	Length	Width	high
X(AMYZ)G200/1500-U(BK)	200	25	26	30	3000	6225		18500	7450	2080	1960
X(AMYZ)G224/1500-U(BK)	224	27	28		3360	6720		19500	7945
X(AMYZ)G250/1500-U(BK)	250	30	31		3750	7256		21000	8481
X(AMYZ)G280/1500-U(BK)	280	34	35		4200	7875		225	9183
X(AMYZ)G315/1500-U(BK)	315	39	40		4725	8650		23500	9895
X(AMYZ)G340/1500-U(BK)	340	42	43		5100	9195	5000	25100	10420
X(AMYZ)G400/1500-U(BK)	400	50	51		6000	10510	5500	28300	11740
X(AMYZ)G450/1500-U(BK)	450	55	56		6750	11500	6000	30400	12730
X(AMYZ)G500/1500-U(BK)	500	62	53		7500	12600	6500	32800	13885

Key Components and Quality Assurance

Membrane Filter Press Plates: Our durable filter press membrane plate is manufactured from high-grade, chemically resistant materials, ensuring a long service life and minimal maintenance.

Material: Reinforced polypropylene (PP) or cast iron with PP coating

Membrane Type: High-elasticity rubber diaphragm (EPDM or natural rubber)

Design: Patented drainage channel system for faster filtrate removal

Durability: 3,000+ cycle lifespan under normal operating conditions

Hydraulic System: Precision-engineered hydraulic closing system provides consistent, reliable pressure for safe operation.

Closing Force: 150-350 bar (customizable)

Control: PLC-automated with pressure sensors and safety interlocks

Speed: Fast close/open cycles reduce non-productive time

Protection: Automatic pressure relief and filter plate protection system

Frame & Construction: heavy-duty carbon steel or stainless steel frame, built to withstand continuous, high-pressure industrial use.

Frame Type: Welded steel construction with corrosion-resistant coating

Footprint: Compact design optimized for space efficiency

Mobility: Optional skid-mounted type for flexible installation

Membrane Filter Press Design Considerations

When selecting a membrane squeeze filter press for your application, consider these critical factors:

Slurry Characteristics

• Solid particle size distribution • Solid concentration range • Chemical properties (pH, temperature, corrosivity) • Compressibility and settling rate

Performance Requirements

• Target cake moisture content • Required throughput (m³/hour or tons/day) • Cycle time constraints • Final cake handling method

Operating Environment

• Available floor space and headroom • Electrical power supply specifications • Compressed air or hydraulic fluid availability • Indoor vs. outdoor installation

Automation Level

• Labor availability and cost • Production shift patterns • Integration with existing process control systems • Maintenance capabilities

Precision Manufacturing and Quality Assurance

We understand that in industrial filtration, quality is non-negotiable. Our manufacturing process is centered on durability, efficiency, and compliance with international standards.

Proprietary Plate Technology: We utilize advanced CNC machining to produce our membrane plate filter press components, ensuring perfect sealing, optimal filtration area, and extended lifespan for the filter press diaphragm plate.
Robust Structural Integrity: All frames are constructed from high-grade steel, stress-relieved, and finished with industrial-grade anti-corrosion coatings, guaranteeing stability and longevity even in harsh operating environments.
Global Component Sourcing: We integrate world-class components, including hydraulic systems and PLC controls, to ensure reliability and ease of local maintenance for our international clients.

Comprehensive Technical Service and Support

Our commitment to your operation begins long before installation and continues throughout the equipment’s lifecycle.

Service Advantage	Description	Value to the Customer (Engineer/Manager)
Customized Slurry Testing	We conduct in-house laboratory testing of your specific slurry to determine optimal filtration parameters (pressure, cycle time, cake thickness).	Guarantees the delivered diaphragm filter press is perfectly sized and configured for your material, maximizing efficiency from day one.
Expert Installation & Commissioning	Our certified engineers oversee installation, ensuring correct setup and seamless integration with your existing plant infrastructure.	Minimizes downtime and accelerates the path to full operational capacity.
Operator Training & Documentation	Comprehensive on-site training for your technical team, covering operation, routine maintenance, and troubleshooting.	Empowers your staff to manage the equipment effectively, reducing reliance on external support.
24/7 Aftermarket Support	Dedicated technical support for parts, maintenance, and emergency troubleshooting, ensuring continuous operation.	Protects your investment and minimizes the risk of costly production interruptions.

Frequently Asked Questions

Have More Questions? Our technical team is ready to provide detailed, personalized guidance.

Q1: What is the main advantage of a membrane filter press over a standard chamber filter press?

The key benefit is significantly lower cake moisture content. The membrane squeeze action applies additional pressure after initial filtration, forcing out residual liquid that conventional filter presses cannot remove. This typically results in 5-15% lower moisture content, which translates to reduced disposal costs, faster downstream processing, and lower transportation expenses.

Q2: How does membrane filter press cloth selection affect performance?

Filter cloth selection is critical for optimal results. The cloth must match your slurry’s particle size, chemical properties, and operating temperature. We offer:

Monofilament cloths for easy cake release and cleaning

Multifilament cloths for fine particle retention

Needle-punched fabrics for high solids capture and rapid drainage

Our technical team can recommend the ideal cloth specification based on your application.

Q3: What is the typical lifespan of membrane filter press plates?

With proper operation and maintenance, our membrane plates typically last 3,000-5,000 filtration cycles. Factors affecting lifespan include:

Operating pressure levels

Slurry abrasiveness

Proper squeeze pressure settings

Regular inspection and maintenance

We provide detailed maintenance guidelines and offer replacement membranes with minimal downtime for installation.

Q4: Can I retrofit existing chamber filter presses with membrane plates?

In many cases, yes. Retrofitting depends on your current filter press frame design, hydraulic system capacity, and plate configuration. Our engineering team can assess your existing equipment and provide a feasibility analysis with cost estimates. Retrofitting can be cost-effective compared to purchasing entirely new equipment.

Q5: What maintenance does a membrane filter press require?

Regular maintenance includes:

Daily: Visual inspection of plates and cloths, check for leaks

Weekly: Filter cloth cleaning, hydraulic oil level check

Monthly: Membrane condition inspection, drainage port cleaning

Quarterly: Hydraulic system service, pressure calibration

Annually: Complete system inspection, gasket replacement as needed

We provide comprehensive maintenance manuals and training for your operators.

Q6: How do I determine the right size membrane filter press for my application?

Sizing depends on several factors:

Daily slurry volume to process

Desired cycle time

Target cake dryness

Available operating hours per day

Contact our sales engineering team with your process parameters. We’ll recommend the optimal configuration and can arrange pilot testing if needed to validate performance.

Q7: What is the typical price range for a membrane filter press?

Membrane filter press pricing varies based on:

Filter area and number of plates

Automation level (manual, semi-automatic, fully automatic)

Material of construction (PP, stainless steel, special coatings)

Additional features (cloth washing, cake discharge systems)

As a manufacturer, we offer competitive factory-direct pricing. Request a detailed quotation with your specific requirements for cost-effective solutions.

Q8: How much dryness can a membrane filter press achieve?

Membrane squeezing typically improves cake dryness by 5–15% compared with chamber presses, depending on the material. Achieves 15% to 30% moisture content.

Q9: Is it suitable for palm oil sludge?

Yes. Membrane presses are widely used in palm oil mills because membrane squeezing improves oil recovery and reduces waste volume.

Q10: What is the typical cycle time?

Depending on sludge type and configuration, cycle times usually range 10–60 minutes.

Q:11 Do you support OEM or turnkey projects?

Yes. Loway provides OEM manufacturing, engineering design, automation integration, and full system supply.

Q:12 Do you supply membrane filter presses for international markets?

Yes, Loway Equipment is an experienced membrane filter press exporter serving customers worldwide. We provide:

Export-standard packaging and documentation

Compliance with destination country regulations (CE, ASME, etc.)

English technical documentation and drawings

Installation supervision and commissioning support

International warranty and spare parts supply

Related Equipment & Complete Dewatering Systems

As a leading membrane filter press manufacturer and supplier, Loway Equipment is committed to providing tailored filtration solutions that drive down your operational costs and improve product quality.

Membrane Filter Press

Achieve Lowest Cake Moisture With High-Pressure Secondary Squeezing Technology

Superior Solid-Liquid Separation With Membrane Squeeze Technology