ASTM D7666-12
(Specification)Standard Specification for Triglyceride Burner Fuel
Standard Specification for Triglyceride Burner Fuel
ABSTRACT
This specification covers two grades of burner fuel consisting of triglycerides and naturally occurring constituents of triglycerides including monoglycerides, diglycerides, and free fatty acids and distinguished by the pour point. The triglyceride burner fuels, Grade TBF5 and Grade TBF6, are intended for use in commercial or industrial air or steam-atomized fuel oil burning equipment manufactured under various climatic and operating conditions for the purposes of heat generation. This specification describes the properties and limits for triglyceride burner fuels to provide acceptable performance in liquid fuel burning equipment. It also addresses significance and use, sample collection and handling, and properties that are those of greatest significance in obtaining acceptable performance of the burner. The requirements enumerated in this specification shall be determined in accordance with the following ASTM test methods except as noted: pour point (Test Method D97), flash point (Test Method D93, Procedure B, except when other methods may be prescribed by law), water and sediment (Test Method D1796), viscosity (Test Method D445), density (Test Methods D1298, D4052, D5355, or D7042), titer (Test Method D1982), acid number (Test Method D664), ash (Test Method D482), sulfur (Test Method D4294), insolubles (Grade TBF5 and Grade TBF6) (Test Method D128, Section 12, Method 1), and heating value (heat of combustion) (Test Method D240).
SCOPE
1.1 This specification covers two grades of burner fuel consisting of triglycerides and naturally occurring constituents of triglycerides including monoglycerides, diglycerides, and free fatty acids and distinguished by the pour point. The grade designation (TBF) identifies them as triglyceride burner fuels.
1.2 The triglyceride burner fuels specified are intended for use in commercial or industrial air or steam-atomized fuel oil burning equipment manufactured from materials compatible with fuels having an acid number as specified in Table 1 and under various climatic and operating conditions for the purposes of heat generation. The fuels specified herein are not intended for blending with conventional fuel oils for this purpose. They are not intended for use in burners 0.32 GJ/h (0.3 × 106 BTU/h) such as residential burners or small pressure atomization burners nor are they intended for use in internal combustion engines or marine applications.
Note 1—For information on the significance of the terminology and test methods used in this specification, see Appendix X1.
1.3 This specification does not address the frequency with which any particular test shall be run.
1.4 Nothing in this specification shall preclude observance of national or local regulations, which can be more restrictive.
1.5 The text of this standard references notes and footnotes that provide explanatory material and shall not be considered as requirements of the standard. The table in this standard references footnotes, and these are to be considered as requirements of the standard.
1.6 The values given in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
TABLE 1 Detailed Requirements for Triglyceride Burner Fuels PropertiesTest MethodALimitsB TBF5TBF6 Physical: Pour point °C (°F) D97 21 (70) ≥21 (70) Flash point, °C (°F), min D93 93 (200) 93 (200) Water and sediment, % vol, max D17962.02.0 Kinematic viscosity at 100°C, mm2/sC D445Report Report Density, kg/m3 @ 15°CD D1298Report Report Titer, °C D1982ReportReport Chemical: Acid Number, mg KOH/g, maxD66430.030.0 Ash, wt %, max D4820.150.15 Sulfur, wt %E D4294ReportReport Insolubles, %mass D12822 Perform...
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Designation:D7666 −12
Standard Specification for
1
Triglyceride Burner Fuel
This standard is issued under the fixed designation D7666; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
1.1 This specification covers two grades of burner fuel
consisting of triglycerides and naturally occurring constituents
2. Referenced Documents
of triglycerides including monoglycerides, diglycerides, and
2
2.1 ASTM Standards:
free fatty acids and distinguished by the pour point. The grade
D93Test Methods for Flash Point by Pensky-Martens
designation (TBF) identifies them as triglyceride burner fuels.
Closed Cup Tester
1.2 The triglyceride burner fuels specified are intended for
D95Test Method for Water in Petroleum Products and
use in commercial or industrial air or steam-atomized fuel oil
Bituminous Materials by Distillation
burning equipment manufactured from materials compatible
D97Test Method for Pour Point of Petroleum Products
with fuels having an acid number as specified in Table 1 and
D128Test Methods for Analysis of Lubricating Grease
under various climatic and operating conditions for the pur-
D240Test Method for Heat of Combustion of Liquid Hy-
poses of heat generation. The fuels specified herein are not
drocarbon Fuels by Bomb Calorimeter
intended for blending with conventional fuel oils for this
D445Test Method for Kinematic Viscosity of Transparent
purpose. They are not intended for use in burners <0.32 GJ/h
andOpaqueLiquids(andCalculationofDynamicViscos-
6
(0.3×10 BTU/h)suchasresidentialburnersorsmallpressure
ity)
atomization burners nor are they intended for use in internal
D473TestMethodforSedimentinCrudeOilsandFuelOils
combustion engines or marine applications.
by the Extraction Method
NOTE 1—For information on the significance of the terminology and D482Test Method for Ash from Petroleum Products
test methods used in this specification, see Appendix X1.
D664Test Method for Acid Number of Petroleum Products
by Potentiometric Titration
1.3 This specification does not address the frequency with
D974Test Method for Acid and Base Number by Color-
which any particular test shall be run.
Indicator Titration
1.4 Nothing in this specification shall preclude observance
D1266TestMethodforSulfurinPetroleumProducts(Lamp
of national or local regulations, which can be more restrictive.
Method)
1.5 The text of this standard references notes and footnotes
D1298Test Method for Density, Relative Density, or API
that provide explanatory material and shall not be considered
Gravity of Crude Petroleum and Liquid Petroleum Prod-
as requirements of the standard. The table in this standard
ucts by Hydrometer Method
referencesfootnotes,andthesearetobeconsideredasrequire-
D1552Test Method for Sulfur in Petroleum Products by
ments of the standard.
High Temperature Combustion and IR Detection
D1796Test Method for Water and Sediment in Fuel Oils by
1.6 The values given in SI units are to be regarded as the
the Centrifuge Method (Laboratory Procedure)
standard. The values given in parentheses are for information
D1982Test Method for Titer of Fatty Acids
only.
D2622Test Method for Sulfur in Petroleum Products by
1.7 This standard does not purport to address all of the
Wavelength Dispersive X-ray Fluorescence Spectrometry
safety concerns, if any, associated with its use. It is the
D2709Test Method for Water and Sediment in Middle
responsibility of the user of this standard to establish appro-
Distillate Fuels by Centrifuge
1
This specification is under the jurisdiction of ASTM Committee D02 on
2
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Subcommittee D02.P0 on Recycled Products. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved April 24, 2012. Published April 2012. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
D7666–12. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D7666−12
TABLE 1 Detailed Requirements for Triglyceride Burner Fuels
D5185Test Method for Multielement Determination of
B
Limits Used and Unused Lubricating Oils and Base Oils by
A
Properties Test Method
TBF5 TBF6 Inductively Coupled Plasma Atomic Emission Spectrom-
Physical: etry (ICP-AES)
Pour point °C D97 <21 (70
...
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