Industrial Burner Fuels from Used Lubricating Oils
Qualification Tests, ASTM D 6488 Specification
Grades RFO4, RFO5L, RFO5H, and RFO6

 

Test Description

Method


Physical Tests:

Viscosity, Kinematic, at 100°C, cSt

ASTM D 445.b

Flash Point, Pensky-Martens Closed Cup

ASTM D 93

Water by Distillation, Petroleum Products

ASTM D 95

Sediment by Extraction

ASTM D 473

Pour Point of Petroleum Oils Only required for Grade RFO4

ASTM D 97

API Gravity of Petroleum Products, Hydrometer Method (Density, Relative Density, Specific Gravity) Only required for Grade RFO4

ASTM D 1298


Chemical Tests:

Ash Content of Petroleum Products

ASTM D 482

Sulfur by X-Ray Fluorescence Spectroscopy LOD = 0.01 wt%

ASTM D 4294

pH of Waste by Screening Test

ASTM D 4980


Performance Test:

Heat of Combustion by Bomb Calorimeter, Gross Heating Value

ASTM D 240

The parameters listed above may also be used as an indicator of when more extensive testing is required. In the United States, fuel must also meet the Federal Environmental Protection Agency (EPA) parameters for recycled used oils as defined in Federal Code 40 CFR 279.11. Some state and local jurisdictions may have more stringent requirements .

 

Additional Optional Tests:

Carbon, Hydrogen, and Nitrogen in Petroleum Products, Instrumental

ASTM D 5291.a

Microbial Contamination in Fuels and Fuel Systems

ASTM D 6469

Simulated Distillation, SimDis, Lower Temperature Range, 55 to 538°C, C5 to C44

ASTM D 2887.c

Simulated Distillation, SimDis, High Temperature Range, 360 to 575°C, C10 to C50

ASTM D 2887.d

Pumpability of Industrial Fuel Oils

ASTM D 3245

Trace Metals by ICP/MS. Includes: Vanadium, Sodium, Potassium, Lithium, Lead, and Calcium, ppm.
LOD = 0.05 ppm

ASTM D 5673.b