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Ultra Filtration Systems

Advanced membrane filtration for water purification, wastewater treatment, and process separation

Capacity Range: 1 m³/hr to 1000 m³/hr
Pore Size: 0.01-0.1 μm MWCO: 10-500 kDa Recovery: 85-95% NSF/CE Certified
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Ultra Filtration Membrane System

UF Technology Overview

Pressure-driven membrane separation between microfiltration and nanofiltration

Ultrafiltration
0.01-0.1 μm
Microfiltration
0.1-10 μm
Nanofiltration
0.001 μm
Reverse Osmosis
0.0001 μm

Pathogen Removal

99.99% removal of bacteria, viruses, and pathogens

Turbidity Removal

SDI reduction to <1, turbidity <0.1 NTU

No Chemicals

Physical barrier filtration without chemical additives

Low Energy

Operating pressure 1-5 bar, minimal energy consumption

UF System Configurations

Various membrane configurations for different applications

Hollow Fiber UF

Most Common
Capacity: 1-500 m³/hr Fiber Diameter: 0.5-2 mm Flow: Outside-In / Inside-Out

Applications: Drinking water, wastewater reuse, RO pretreatment

Key Features:

  • High packing density
  • Good mechanical strength
  • Backwashable design
  • PVDF/PES membrane material
  • Automatic operation
5 m³/hr 25 m³/hr 100 m³/hr Custom

Spiral Wound UF

High Pressure
Capacity: 10-1000 m³/hr Configuration: Spiral Pressure: Up to 10 bar

Applications: High solids applications, food processing, biotechnology

Key Features:

  • High pressure capability
  • Good for viscous fluids
  • Easy membrane replacement
  • Standard 8" / 4" elements
  • Cross-flow operation
10 m³/hr 50 m³/hr 200 m³/hr Custom

Plate & Frame UF

Food & Pharma
Capacity: 0.5-50 m³/hr Design: Stacked plates Sanitary design

Applications: Food & beverage, pharmaceutical, dairy processing

Key Features:

  • Sanitary construction
  • Easy cleaning & inspection
  • Minimal dead volume
  • CIP capable
  • FDA compliant materials
0.5 m³/hr 5 m³/hr 20 m³/hr Custom

Submerged UF

MBR Applications
Capacity: 10-500 m³/hr Operation: Submerged Aeration: Continuous

Applications: Membrane bioreactors (MBR), municipal wastewater

Key Features:

  • Submerged in mixed liquor
  • Constant aeration for cleaning
  • Low energy consumption
  • High MLSS tolerance
  • Ideal for MBR systems
10 m³/hr 50 m³/hr 200 m³/hr Custom

UF Membrane Specifications

Various membrane materials and configurations

PVDF Hollow Fiber

Hydrophobic
Pore Size: 0.01-0.1 μm MWCO: 100 kDa Chlorine Tolerance: High

Technical Specifications:

  • Material: Polyvinylidene fluoride
  • pH Range: 2-11
  • Max Temperature: 40°C
  • Chlorine: Up to 200 ppm
  • Flux: 50-100 LMH
Applications: Surface water, wastewater, RO pretreatment
8" Modules 5" Modules Custom

PES Hollow Fiber

Hydrophilic
Pore Size: 0.02-0.05 μm MWCO: 50 kDa Hydrophilicity: High

Technical Specifications:

  • Material: Polyethersulfone
  • pH Range: 1-13
  • Max Temperature: 50°C
  • Chlorine: Limited tolerance
  • Flux: 40-80 LMH
Applications: Pharma, food, high purity water
8" Modules 5" Modules Custom

PAN Hollow Fiber

Water Treatment
Pore Size: 0.02 μm MWCO: 70 kDa Fouling Resistance: Good

Technical Specifications:

  • Material: Polyacrylonitrile
  • pH Range: 2-10
  • Max Temperature: 45°C
  • Hydrophilic surface
  • Flux: 60-90 LMH
Applications: Drinking water, municipal water
Standard Modules Custom Lengths

Ceramic UF

Industrial
Pore Size: 0.05-0.2 μm Temperature: Up to 350°C Chemical Resistance: Excellent

Technical Specifications:

  • Material: Alumina/Titania
  • pH Range: 0-14
  • Max Temperature: 350°C
  • Pressure: Up to 10 bar
  • Flux: 100-300 LMH
Applications: High temperature, aggressive chemicals, solvents
Multi-channel Single tube Custom

UF Applications

Versatile applications across multiple industries

Drinking Water Treatment

  • Turbidity removal to <0.1 NTU
  • Pathogen removal (bacteria, viruses)
  • SDI reduction for RO pretreatment
  • Color and organic matter removal
  • Alternative to conventional filtration

Industrial Process Water

  • Boiler feed water pretreatment
  • Cooling tower make-up water
  • Process water purification
  • Ultrapure water pretreatment
  • Desalination pretreatment

Wastewater Reuse

  • Tertiary treatment for reuse
  • Membrane bioreactors (MBR)
  • Industrial wastewater recycling
  • Municipal wastewater reuse
  • Zero liquid discharge systems

RO Pretreatment

  • SDI reduction to <3
  • Fouling prevention for RO membranes
  • Reduction in chemical consumption
  • Extended RO membrane life
  • Improved RO system performance

Beverage Industry

  • Juice clarification and concentration
  • Wine and beer clarification
  • Dairy processing (milk, whey)
  • Sugar syrup clarification
  • Process water sterilization

Food Processing

  • Protein concentration and separation
  • Starch processing
  • Gelatin clarification
  • Edible oil processing
  • Food additive purification

Biopharmaceutical

  • Protein concentration and diafiltration
  • Virus removal and retention
  • Pyrogen removal
  • Buffer exchange
  • Cell harvesting

Pharmaceutical Water

  • WFI (Water for Injection) pretreatment
  • Purified water production
  • Endotoxin removal
  • Process water sterilization
  • Clean-in-place (CIP) water

Chemical Industry

  • Latex concentration
  • Paint and pigment recovery
  • Electrocoat paint recovery
  • Chemical process separation
  • Solvent purification

Textile & Paper

  • Dye bath recovery
  • Size recovery
  • Pulp and paper mill effluents
  • Textile wastewater treatment
  • Color removal and recovery

UF System Components

Complete skid-mounted systems with all necessary components

UF Membrane Modules

Hollow fiber or spiral wound modules in pressure vessels

Materials: PVDF, PES, PAN Configurations: Various Size: Standard/Custom

Feed & Backwash Pumps

Multistage centrifugal pumps for filtration and backwashing

Material: SS 316 Pressure: 3-10 bar VFD: Optional

Instrumentation

Complete monitoring with pressure, flow, turbidity sensors

Pressure Transmitters Flow Meters Turbidity Meters

Control Panel

PLC based automatic control with HMI touch screen

PLC: Siemens/Allen Bradley HMI: 7"/10" Touch SCADA: Optional

Pre-filtration

Automatic self-cleaning filters for coarse particle removal

Type: Automatic Filtration: 100-500 micron Material: SS 304/316

CIP System

Clean-in-place system for membrane chemical cleaning

Tank: HDPE/SS Pumps: Chemical resistant Heater: Optional

UF Operation Modes

Different operational configurations for various applications

Dead-End Filtration

Batch Operation
Recovery: High Energy: Low Cycle: Intermittent

Process: All feed water passes through membrane, retained solids accumulate on surface

Operation Cycle:

  1. Filtration phase (10-60 min)
  2. Backwash (30-60 sec)
  3. Forward flush (30 sec)
  4. Return to filtration
Best for: Low solids water, drinking water, RO pretreatment

Cross-Flow Filtration

Continuous
Recovery: Medium Energy: High Flow: Continuous

Process: Feed flows parallel to membrane surface, permeate passes through, concentrate recirculates

Key Parameters:

  • Cross-flow velocity: 1-3 m/s
  • Transmembrane pressure: 1-5 bar
  • Concentration factor: 5-20x
  • Continuous operation
Best for: High solids, viscous fluids, food processing

Submerged Operation

MBR Systems
Recovery: High Energy: Medium Aeration: Constant

Process: Membranes submerged in mixed liquor, permeate extracted by suction, constant aeration for cleaning

Operation Features:

  • Intermittent suction (8-10 min on, 2 min off)
  • Constant coarse bubble aeration
  • Maintenance cleaning (weekly)
  • Recovery cleaning (monthly)
Best for: Wastewater treatment, MBR systems

Performance Specifications

Typical UF system performance for various applications

Application Feed Water Quality Permeate Quality Flux Rate Recovery
Surface Water Treatment Turbidity: 1-10 NTU
SDI: 5-15		 Turbidity: <0.1 NTU
SDI: <3		 60-80 LMH 90-95%
RO Pretreatment SDI: 4-6
Turbidity: 2-5 NTU		 SDI: <3
Turbidity: <0.2 NTU		 50-70 LMH 85-92%
Wastewater Reuse TSS: 10-50 mg/L
COD: 50-200 mg/L		 TSS: <1 mg/L
Turbidity: <0.5 NTU		 30-50 LMH 80-90%
MBR Systems MLSS: 8-12 g/L
COD: 500-2000 mg/L		 TSS: <1 mg/L
Turbidity: <0.2 NTU		 15-25 LMH >99%
Drinking Water Turbidity: <5 NTU
Coliform: Present		 Turbidity: <0.1 NTU
Coliform: 0 CFU		 70-90 LMH 92-96%
Food Processing TS: 5-15%
Viscosity: Medium		 Clarified product
Protein retention		 20-40 LMH 85-95%

ULTRA FILTRATION ENQUIRY

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Water Treatment Experts

+91 97116 23131

Email

info@kdstechnologies.in