DARRINGTON QUARRY - ELAIS FUEL CLEAN CASE STUDY

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Case study - CAT LOADER Fuel tank clean - before / after

ISO CODE ; 21/19/15

DARRINGTON QUARRIES FILTRATION & FUEL SAMPLING SITE VISIT REPORT EUROPEAN METAL RECYCLING Your dedicated KLEENOIL Engineer contact details;

(was 21/20/18)

IMPROVED – To excellent

SUMMARISED UPDATE

Jonathan Brough

• PARTICULATE:

NONE

TEL -07775 641250

• CHEMISTRY:

STABLE

john@kleenoil.co.uk

• WEAR:

STABLE

Matthew Johnson

• MOISTURE:

NOT REPORTABLE

TEL -07775 641247

ADVISE – The ELAIS system effectively eliminated detectable particulate contamination and halved the dissolved water content

matthew@kleenoil.co.uk

MACHINE DETAILS: CAT LOADER

What do your colour codes indicate?

GREEN is GOOD – ISO 19/16/15 or better

EXISTING FILTRATION Pressure filter s Air filtration By-pass filtration

AMBER is CAUTION - ISO 22/20/16 or worse

RED

is SERIOUS – ISO 24/23/18 or

1 X KLEENFUEL ELAIS

worse; ACTION NEEDED

This latest change was done ; CURRENT CHANGE (Qtr) We will contact site to arrange your NEXT CHANGE / SAMPLING DUE ; Around (Qtr) - 04/08/25

If you need any assistance between quarterly visits, please do not hesitate to contact us on the above numbers

through our office – TEL; 01977 682810 ; sales@kleenoil.co.uk

Notes

For new, clean diesel fuel , ISO cleanliness codes typically fall in the ISO 18/16/13 range or cleaner when measured to ISO 4406 standards.

What That Means

ISO Code 18/16/13 corresponds to: o 4 μm particles : ≤ 2,500 particles per mL o 6 μm particles : ≤ 640 particles per mL o 14 μm particles : ≤ 80 particles per mL

•

This is considered very clean for bulk diesel, meeting or exceeding most OEM requirements for modern common-rail injection systems.

OEM Recommendations

• High-pressure common-rail engines often require ISO 18/16/13 or better to avoid premature wear. • Some manufacturers specify ISO 16/14/11 for optimum protection, which is cleaner than most as delivered fuel and usually requires filtration at the point of use.

Reality in the Field

• Freshly delivered diesel from suppliers can often be ISO 21/19/16 or dirtier, especially if storage tanks or delivery systems aren’t perfectly maintained. • Achieving ISO 18/16/13 or lower generally requires polishing or onboard filtration — exactly what your ELAIS system is designed to do.

Diesel Fuel Sample Analysis – Before & After ELAIS Filtration

Following the cleaning process using the ELAIS diesel fuel cleaning system , we compared a “before” and “after” fuel sample to assess removal of contaminants and water.

Before Cleaning

• Appearance: Clear and bright to the naked eye, though a slight haze was visible in photographs. • Particulate Level: Trace amount, described as dirt. • Water Content: 41 ppm dissolved water, free water = none. • Fuel Colour: Yellow. • Biological Contamination: Bacteria = negative; Fungus = negative. • Other Fuel Properties: FAME = 0.8%, Sulphur = 15 ppm. • Particle Counts: o 4 μm: 16,040 o 6 μm: 7,390 o 14 μm: 1,376

• •

ISO Code: 21/20/18

After ELAIS Cleaning

• Appearance: Clear and bright, no haze. • Particulate Level: None detected. • Particulate Description: None. • Water Content: Reduced to 20 ppm dissolved water, free water = none. • Biological Contamination: Bacteria = negative; Fungus = negative. • Fuel Colour: Yellow. • Other Fuel Properties: FAME = 0.8%, Sulphur = 11 ppm.

Note: The reduction in sulphur from 15 ppm to 11 ppm is well within the permitted ultra-low sulphur diesel specification (≤ 10– 15 ppm). The ELAIS system does not chemically alter the fuel; this minor change is attributed to normal laboratory test variation and the removal of trace sulphur-containing particulate.

Particle Counts: o 4 μm: 331 o 6 μm: 331 o 14 μm: 16

•

• •

ISO Code: 16/14/11

Summary of Improvement

The ELAIS system effectively eliminated detectable particulate contamination and halved the dissolved water content , while maintaining the original fuel characteristics. The slight sulphur reduction is within normal tolerances and has no operational or compliance impact. From an ISO cleanliness level of 21/20/18 before cleaning, the fuel improved to 16/14/11 after a single filtration pass — representing a significant cleanliness upgrade and improved protection for fuel system components.

Summary Report view

Client Name

Darrington Quarry

Machine Name

CAT LOADER DIESEL TANK

Site Name

Darrington

Report Date

Result

4 Micron 6 Micron 14 Micron Moisture (ppm) Client Button

17 July 2025 Monitor

16040

7390

1376

411 201

17 July 2025 Pass

331

18000

16000

14000

12000

4 Micron 6 Micron 14 Micron Moisture (ppm) Client Button

10000

8000

6000

4000

2000

Monitor

Pass

17/07/2025

COMMENTS / SUGGESTIONS

LATEST REPORT ; Shows the three total particle counts that make up an ISO Code New oil - World Wide Fuel Charter Cleanliness Standard is ISO 18/16/13 (NAS7)

w 4 Micron - generally least damaging but potentially causes clogging and varnishing issues, especially on fine tolerances. 6 Micron - these act like sandpaper, causing scoring, pitting, and polishing wear on gears, pistons, and bearings. 14 Micro - At this size, particles are big enough to cut into metal surfaces with significant force during sliding or rolling contact. Moisture - BLUE - ppm - parts per million

RESULT - see notes

KLEENOIL UK LIMITED, FENTON LANE, LEEDS LS25 6EZ

01977 682810

sales@kleenoil.co.uk

A X - Immediate Action C - Action B - Monitor A - No Action

2ND SAMPLE CAT LOADER

Unit Number Serial Number

KLEENOIL FILTRATION LTD

Customer Name

Make Model

DIESEL STORAGE TANK UNKNOWN FCC DARRINGTON

Address

SHERBURN IN ELMET,WEST YORKSHIRE FENTON LANE,

Location

17/07/2025

Sample Date

Job No

BULK DIESEL STORAGE TANK

Component Lubricant

Received Date

29/07/2025

Diesel Fuel unknown

Ian Burton

Interpreted By

Reported Date

04/08/2025

Sample Details

Test Method

Units

Current Result

Previous #1

Previous #2

Lab No

- - - - - - - - -

552119618 17/07/2025

Sample Date

Meter Hrs Fluid Hrs Oil Added

0 0

0.00

Fluid Changed Filter Changed

No No

Lubricant Label No

Diesel Fuel

Physical Tests Appearance Colour Shade

In-House In-House In-House In-House

n/a n/a n/a n/a

Clear / Bright

Normal

Particulate Amount Particulate Description

None None

Water

ASTM D6304 ASTM D6304

ppm

Water (% Wt)

% Wt.

0.0020

Particles

14µ 21µ 38µ

ISO 4406:2021 ISO 4406:2021 ISO 4406:2021 ISO 4406:2021 ISO 4406:2021 ISO 4406:2021 ISO 4406:2021 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97 ASTM D5185-97

Counts/ml Counts/ml Counts/ml Counts/ml Counts/ml Counts/ml

7 1

4µ 6µ

331

70µ

ISO Code

Code

16/14/11

Oil Contaminants

Silicon

ppm

Wear Metals

Copper

ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm

0 0 0 0 0 0 0 0 0 0

Iron

Lead

Tin

Additives Barium Calcium

Magnesium Molybdenum Phosphorus

Zinc

Fuel Contaminants

Bacteria (Neg / Trace / Pos) In-House

N/T/P

Negative

Fluid and Condition Monitoring Services, Unit 3 Triangle Business Park, Oakwell Way, Birstall, Batley, West Yorkshire, WF17 9LU. Tel: 0113 201 2065 Email: Oillab@finning.co.uk. For more information, or to view your results online, please visit www.fluid-analysis.com This information is supplied for your benefit only and should not be relied on by any third party whatsoever.

Page 1 of 2

A X - Immediate Action C - Action B - Monitor A - No Action

2ND SAMPLE CAT LOADER

Unit Number Serial Number

KLEENOIL FILTRATION LTD

Customer Name

Make Model

DIESEL STORAGE TANK UNKNOWN FCC DARRINGTON

Address

SHERBURN IN ELMET,WEST YORKSHIRE FENTON LANE,

Location

17/07/2025

Sample Date

Job No

BULK DIESEL STORAGE TANK

Component Lubricant

Received Date

29/07/2025

Diesel Fuel unknown

Ian Burton

Interpreted By

Reported Date

04/08/2025

Fuel Contaminants

Free Water

1 - None Negative

Fungus (Neg / Trace / Pos) In-House

N/T/P

Fuel Physical Tests

Colour - Fuel

In-House

n/a

Yellow

FAME

EN 14078:2009 ASTM D5185-97

% VOL

0.8

Sulphur

ppm

A - No Action A

Diagnosis: FROM THE TESTS CARRIED OUT, THE FUEL APPEARS TO BE IN ACCEPTABLE CONDITION AND IS FIT FOR USE.

X - Immediate Action C - Action B - Monitor

Page 2 of 2

C X - Immediate Action C - Action B - Monitor A - No Action

1ST SAMPLE CAT LOADER

Unit Number Serial Number

KLEENOIL FILTRATION LTD

Customer Name

Make Model

DIESEL STORAGE TANK UNKNOWN FCC DARRINGTON

Address

SHERBURN IN ELMET,WEST YORKSHIRE FENTON LANE,

Location

17/07/2025

Sample Date

Job No

BULK DIESEL STORAGE TANK

Component Lubricant

Received Date

29/07/2025

Diesel Fuel unknown

Ian Burton

Interpreted By

Reported Date

04/08/2025

Sample Details

Test Method

Units

Current Result

Previous #1

Previous #2

Lab No

- - - - - - - - -

552119617 17/07/2025

Sample Date

Meter Hrs Fluid Hrs Oil Added

0 0

0.00

Fluid Changed Filter Changed

No No

Lubricant Label No

Diesel Fuel

Physical Tests Appearance Colour Shade

In-House In-House In-House In-House

n/a n/a n/a n/a

Clear / Bright

Normal

Particulate Amount Particulate Description

Trace

Dirt

Water

ASTM D6304 ASTM D6304

ppm

Water (% Wt)

% Wt.

0.0041

Particles

14µ 21µ 38µ

Counts/ml Counts/ml Counts/ml Counts/ml Counts/ml Counts/ml

1376

513

4µ 6µ

16040

7390

70µ

ISO Code

Code

21/20/18

Oil Contaminants

Silicon

ppm

Wear Metals

Copper

ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm

0 0 0 0 0 0 0 0 0 0

Iron

Lead

Tin

Additives Barium Calcium

Magnesium Molybdenum Phosphorus

Zinc

Fuel Contaminants

Bacteria (Neg / Trace / Pos) In-House

N/T/P

Negative

Page 1 of 2

C X - Immediate Action C - Action B - Monitor A - No Action

1ST SAMPLE CAT LOADER

Unit Number Serial Number

KLEENOIL FILTRATION LTD

Customer Name

Make Model

DIESEL STORAGE TANK UNKNOWN FCC DARRINGTON

Address

SHERBURN IN ELMET,WEST YORKSHIRE FENTON LANE,

Location

17/07/2025

Sample Date

Job No

BULK DIESEL STORAGE TANK

Component Lubricant

Received Date

29/07/2025

Diesel Fuel unknown

Ian Burton

Interpreted By

Reported Date

04/08/2025

Fuel Contaminants

Free Water

1 - None Negative

Fungus (Neg / Trace / Pos) In-House

N/T/P

Fuel Physical Tests

Colour - Fuel

In-House

n/a

Yellow

FAME

EN 14078:2009 ASTM D5185-97

% VOL

0.8

Sulphur

ppm

A - No Action C

Diagnosis: ACTION REQUIRED! THE PARTICLE COUNT IS RATHER HIGHER THAN TARGET (ISO 18/16/13). THE SAMPLE HAS BEEN VISUALLY INSPECTED AND FOREIGN DEBRIS IS APPARENT. ASSUMING THIS IS A REPRESENTATIVE SAMPLE, THEN STEPS NEED TO BE TAKEN TO IMPROVE THE PARTICLE COUNT AND REMOVE THE VISIBLE DEBRIS. WE RECOMMEND THE USE OF AN OFFLINE FILTRATION SYSTEM TO ACHIEVE THIS.

X - Immediate Action C - Action B - Monitor

Page 2 of 2

Key Benefits of Fuel at This Standard

• Improved EGR → Less soot, fewer blockages • Improved SCR → Lower NOx/PM, better catalyst efficiency • Improved DPF → Less soot, longer service intervals • Strengthened ESG → Emission reductions and sustainability reporting • Independently Proven → Millbrook validation of KleenFuel ELAIS performance •

Technical Highlights

1. Improved EGR (Exhaust Gas Recirculation)

• Challenge: Contaminated fuel → incomplete combustion → excess soot → clogged valves/coolers. • With ELAIS: ISO-clean fuel ensures more complete combustion, reducing soot build-up, lowering maintenance, and extending system efficiency.

2. Improved SCR (Selective Catalytic Reduction)

• Challenge: High PM and hydrocarbons overwhelm SCR efficiency → higher AdBlue dosing and catalyst wear. • With ELAIS: Cleaner combustion lowers PM and NOx, reducing AdBlue use and extending catalyst life.

3. Improved DPF (Diesel Particulate Filter)

• Challenge: Poor-quality fuel → more soot → frequent regenerations, higher fuel use, blockages. • With ELAIS: Independent Millbrook testing showed a 12% PM reduction, leading to longer regeneration intervals, lower fuel consumption, and extended DPF life.

4. ESG Strengthening

• Impact: Cleaner combustion reduces CO, NOx, PM, and CO₂, aligning with Euro 6, Stage V, and Tier 4 Final standards. • With ELAIS: o Demonstrates measurable emission reductions o Supports accurate emissions reporting o Reinforces sustainability credentials through proactive fuel quality management

5. Millbrook Validation (Volvo B7 Bus Tests) on already test standard cleansed diesel fuel

CO reduced by 11.5% PM reduced by 12% HC reduced by 4.3%

•

• NOx increased slightly (+4.4%), within expected tolerance due to combustion dynamics • Fuel consumption unchanged (-0.1%), confirming no efficiency penalty in this case.

The Millbrook report illustrates the reductions in PM and CO, validating ELAIS as a proven method for improving after-treatment system performance and strengthening ESG compliance.

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