Standard Historical Last Updated: Nov 15, 2023 Track Document
ASTM D2892-20

Standard Test Method for Distillation of Crude Petroleum (15-Theoretical Plate Column)

Standard Test Method for Distillation of Crude Petroleum (15-Theoretical Plate Column) D2892-20 ASTM|D2892-20|en-US Standard Test Method for Distillation of Crude Petroleum (15-Theoretical Plate Column) Standard new BOS Vol. 05.01 Committee D02
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Significance and Use

5.1 This test method is one of a number of tests conducted on a crude oil to determine its value. It provides an estimate of the yields of fractions of various boiling ranges and is therefore valuable in technical discussions of a commercial nature.

5.2 This test method corresponds to the standard laboratory distillation efficiency referred to as 15/5. The fractions produced can be analyzed as produced or combined to produce samples for analytical studies, engineering, and product quality evaluations. The preparation and evaluation of such blends is not part of this test method.

5.3 This test method can be used as an analytical tool for examination of other petroleum mixtures with the exception of LPG, very light naphthas, and mixtures with initial boiling points above 400 °C.


1.1 This test method covers the procedure for the distillation of stabilized crude petroleum (see Note 1) to a final cut temperature of 400 °C Atmospheric Equivalent Temperature (AET). This test method employs a fractionating column having an efficiency of 14 to 18 theoretical plates operated at a reflux ratio of 5:1. Performance criteria for the necessary equipment is specified. Some typical examples of acceptable apparatus are presented in schematic form. This test method offers a compromise between efficiency and time in order to facilitate the comparison of distillation data between laboratories.

Note 1: Defined as having a Reid vapor pressure less than 82.7 kPa (12 psi).

1.2 This test method details procedures for the production of a liquefied gas, distillate fractions, and residuum of standardized quality on which analytical data can be obtained, and the determination of yields of the above fractions by both mass and volume. From the preceding information, a graph of temperature versus mass % distilled can be produced. This distillation curve corresponds to a laboratory technique, which is defined at 15/5 (15 theoretical plate column, 5:1 reflux ratio) or TBP (true boiling point).

1.3 This test method can also be applied to any petroleum mixture except liquefied petroleum gases, very light naphthas, and fractions having initial boiling points above 400 °C.

1.4 This test method contains the following annexes and appendixes:

1.4.1 Annex A1Test Method for the Determination of the Efficiency of a Distillation Column,

1.4.2 Annex A2Test Method for the Determination of the Dynamic Holdup of a Distillation Column,

1.4.3 Annex A3Test Method for the Determination of the Heat Loss in a Distillation Column (Static Conditions),

1.4.4 Annex A4Test Method for the Verification of Temperature Sensor Location,

1.4.5 Annex A5Test Method for Determination of the Temperature Response Time,

1.4.6 Annex A6Practice for the Calibration of Sensors,

1.4.7 Annex A7Test Method for the Verification of Reflux Dividing Valves,

1.4.8 Annex A8Practice for Conversion of Observed Vapor Temperature to Atmospheric Equivalent Temperature (AET),

1.4.9 Appendix X1Test Method for Dehydration of a Sample of Wet Crude Oil, and

1.4.10 Appendix X2Practice for Performance Check.

1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.6 WARNING—Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Use Caution when handling mercury and mercury-containing products. See the applicable product Safety Data Sheet (SDS) for additional information. The potential exists that selling mercury or mercury-containing products, or both, is prohibited by local or national law. Users must determine legality of sales in their location.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see Section 10.

1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Book of Standards Volume: 05.01
Developed by Subcommittee: D02.08
Pages: 34
DOI: 10.1520/D2892-20
ICS Code: 75.040