ClearFuel™ Polishing Systems
Eliminate contamination and protect your operations
Fuelcare's ClearFuel™ Polishing Systems eliminate the three main forms of fuel contamination - solid particulates, water, and microbial growth - protecting your operations and extending equipment life.
We offer fixed and skid-mounted units for continuous, round-the-clock polishing in large storage tanks (typically over 20,000 litres), and mobile units for rapid deployment across the UK.
All systems deliver better than ISO 4406 18/16/13 filtration, 99% water removal efficiency, and real-time cloud-based performance monitoring.
Why Choose ClearFuel™ Fuel Polishing Systems for Your Fuel Operations?
ClearFuel™ fuel polishing systems are designed to maintain stored diesel and hydrocarbon fuel within ISO 4406 cleanliness specification, preventing contamination spread and protecting downstream equipment.
With proven performance across industrial, forecourt and marine applications, ClearFuel™ supports operational readiness where continuous fuel quality is essential.
Improved Fuel Cleanliness
ClearFuel™ continuously removes water, particulates and sludge from stored fuel, helping maintain fuel in a cleaner, more stable condition and reducing the impact of contamination over time.
Reduced Equipment Downtime
By addressing contamination before it affects engines, burners and fuel transfer systems, ClearFuel™ helps lower the risk of blocked filters, poor combustion and unplanned maintenance interruptions.
Extended Fuel Storage Life
Routine fuel polishing supports longer-term fuel storage by managing degradation factors within the tank, helping preserve fuel condition and making stored reserves more dependable when needed.
Enhanced Operational Assurance
ClearFuel™ provides a practical, preventative approach to fuel maintenance, supporting compliance, site resilience and greater confidence in fuel quality across standby and operational systems.
Built for Scale and Speed
A defined engineering process covering assessment, specification, installation and ongoing support to ensure each system is appropriate to site conditions, operational requirements and compliance standards.
Continuous Tank Conditioning
Our fixed and skid-mounted ClearFuel™ units provide round-the-clock polishing for large storage tanks (typically over 20,000 litres). They continuously remove deposits, water, and microbial growth, ensuring reliable fuel quality and uptime.
Rapid Mobile Deployment
For urgent or one-off diesel fuel polishing requirements, our mobile units are deployable anywhere across the UK, providing fast and effective fuel filtration with minimal infrastructure requirements.
Precision Filtration to ISO Standards
Two-stage filtration - coalescing and 5 micron absolute filtration - removes free and emulsified water and solid particulates, consistently achieving ISO 4406 18/16/13 cleanliness across all fuel polishing runs.
Real-time Performance Monitoring
Gain data-driven insights into your fuel quality with cloud-based monitoring. Our systems provide continuous reporting on filter performance and fuel condition, allowing you to proactively manage your fuel infrastructure and ensure optimal operation.
From Assessment To Operation
A defined engineering process covering assessment, specification, installation and ongoing support to ensure each system is appropriate to site conditions, operational requirements and compliance standards.
System Assessment & Analysis
Our experts examine your existing fuel infrastructure to identify potential vulnerabilities, assess current fuel quality, and pinpoint contamination risks.
Engineered Solution Proposal
Based on our assessment, we design a bespoke ClearFuel™ solution tailored precisely to your infrastructure, specific fuel types, and all relevant compliance requirements, ensuring optimal performance.
Turnkey Installation & Commissioning
Fuelcare's skilled technicians manage the entire installation and commissioning process, undertaking all necessary engineering work with minimal disruption to your daily operations.
Continuous Monitoring & Support
Beyond installation, we provide ongoing support with real-time data monitoring and expert guidance, ensuring your fuel remains clean, compliant, and your engines run reliably.
Micron-Level Fuel Cleaning
ClearFuel™ systems combine advanced coalescing and absolute filtration to eradicate water and particulates, consistently delivering fuel that exceeds stringent OEM specifications.
Water removal efficiency
Effectively eliminates both free and emulsified water from your fuel supply, achieving 99% per SAE J1488 (emulsified) and SAE J1839 (free).
ISO 4406 cleanliness achieved
Our advanced two-stage filtration consistently delivers fuel cleanliness better than the stringent ISO 4406 18/16/13 standard.
Particle filtration capability
High-efficiency filtration systems remove particulates and contaminants down to 5 microns (B5=100), significantly extending equipment lifespan.
Real-Time IoT Monitoring of Fuel Infrastructure
Monitor tank condition, contamination levels, fuel quality and dosing activity across multiple fuel storage locations from a centralised dashboard.
The Fuelcare IoT dashboard provides real-time visibility of fuel system condition across all connected monitoring points. The system delivers data 24/7 across single-site installations, multi-location depot networks, and distributed fleet applications.
The dashboard monitors key fuel quality indicators and generates alerts when intervention is required. This enables proactive response to potential fuel system degradation.
Real-time tank contamination alerts and notifications
Automated dosing schedules with precision dose control
Fuel quality trend reports and historical data analysis
Fuelcare ClearFuel™ Polishing Systems FAQs
Find answers to frequently asked questions about Fuelcare's ClearFuel™ Polishing System and its applications.
Fuel polishing is a multi-stage filtration and conditioning process that removes solid particulates, free water and microbial contamination from stored fuel - returning it to a clean condition suitable for engines and generators. It is required when stored fuel has degraded, contains visible contamination, is causing filter blockages, or has failed a quality test. It is also recommended as part of a regular preventative maintenance programme for any standby or long-term storage fuel system.
ClearFuel™ removes three categories of contamination: (1) solid particulates - rust particles, soot, colloid carbon and sediment - using 5μm filtration (B5=100); (2) free water - to below 200 ppm (EN590 compliant) with 99% water removal efficiency (SAE J1488); and (3) microbial contamination — including diesel bug (Hormoconis resinae), biofilm, bacteria, fungi and yeast. It also removes biofilm from tank surfaces, which standard filtration alone cannot address.
ClearFuel™ systems deliver fuel cleanliness at ISO 4406 18/16/13 - the international standard for particle count in hydraulic and fuel systems, also required under EN590 (the European automotive diesel standard). This is the cleanliness level required for reliable performance in high-pressure common rail injection systems and sensitive engine fuel systems.
Fixed and skid-mounted units are installed permanently at a storage location and are recommended for tanks over 20,000 litres or where ongoing polishing is part of a continuous fuel management programme. Mobile units can be rapidly deployed across UK sites for emergency treatment or scheduled polishing visits. Contact Fuelcare to determine the most appropriate configuration for your operation.
Frequency depends on contamination risk, fuel turnover rate and application criticality. For standby power systems (generators, emergency diesel), annual polishing combined with regular biocide treatment is a typical minimum. For higher-risk environments - data centres, hospitals, marine vessels, offshore platforms - more frequent treatment may be required. Fuelcare can recommend a polishing and treatment schedule based on your specific operation.
Yes. ClearFuel™ is particularly well-suited to standby and backup power applications where fuel may sit in storage for extended periods, increasing degradation, water ingress and microbial growth risk. Clean fuel is critical for standby generators - contamination is a leading cause of generator start failures during power outages. Fuelcare recommends a combined programme of ClearFuel™ polishing, FuelClear™ M15 biocide treatment and OptiClear™ stability improvement for all standby fuel systems.