ASTM-D4891 › Historical Revision Information
Standard Test Method for Heating Value of Gases in Natural Gas and Flare Gases Range by Stoichiometric Combustion
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Scope
1.1 This test method covers the determination of the heating value of natural gases and similar gaseous mixtures within the range of composition shown in Table 1, and Table 2 that covers flare components but is not intended to limit the components to be measured in flare gases.
| Compound | Concentration Range, mole, % |
| Helium | 0.01 to 5 |
| Nitrogen | 0.01 to 20 |
| Carbon dioxide | 0.01 to 10 |
| Methane | 50 to 100 |
| Ethane | 0.01 to 20 |
| Propane | 0.01 to 20 |
| n-butane | 0.01 to 10 |
| isobutane | 0.01 to 10 |
| n-pentane | 0.01 to 2 |
| Isopentane | 0.01 to 2 |
| Hexanes and heavier | 0.01 to 2 |
| Compound | CAS Number | ||
| Volatile Analytes | |||
| Acetone | 67-64-1 | ||
| Acetonitrile | 75-05-8 | ||
| Acrolein | 107-05-8 | ||
| Acrylonitrile | 107-13-1 | ||
| Benzene | 71-43-2 2 | ||
| 1,3-Butadiene | 106-99-0 | ||
| Carbon disulfide | 75-15-0 | ||
| Chlorobenzene | 108-90-7 | ||
| Cumene (isopropylbenzene) | 98-82-8 | ||
| 1,2-Dibromoethane | 106-93-4 | ||
| Ethylbenzene | 100-41-4 2,2,4 | ||
| Hexane | 110-54-3 | ||
| Methanol | 67-56-1 | ||
| Methyl isobutyl ketone | 108-10-1 | ||
| Methyl t-butyl ether | 1634-04-4 | ||
| Methylene chloride | 75-09-2 | ||
| Nitrobenzene | 98-95-3 | ||
| Nitropropane | 79-46-9 | ||
| Pentane2 | 109-66-0 | ||
| Styrene | 100-42-5 | ||
| Tetrachloroethene | 127-18-4 | ||
| Toluene | 108-88-3 | ||
| Trichloroethene | 79-01-6 | ||
| Trimethylpentane | 2 540-84-1 | ||
| Xylenes (mixed isomers) | 1330-20-7 | ||
| Trimethylpentane | 2 540-84-1 | ||
| Xylenes (mixed isomers) | 1330-20-7 | ||
|
|
| ||
| Semi-volatile Analytes | |||
| Acenaphthene | 83-32-9 | ||
| Acenaphthylene | 208-96-8 | ||
| Aniline | 62-53-3 | ||
| Anthracene | 120-12-7 | ||
| Benzidine1 | 92-87-5 | ||
| Benz[a]anthracene | 56-55-3 | ||
| Benzo[b]fluoranthene | 205-99-2 | ||
| Benzo[k]fluoranthene | 207-08-9 | ||
| Benzo[g,h,i]perylene | 191-24-2 | ||
| Benzo[a]pyrene | 50-32-8 | ||
| Benzo[e]pyrene2 | 192-97-2 | ||
| Biphenyl2, | 92-52-4 | ||
| Cresol (mixed isomers) | 1319-77-3 | ||
| Chrysene | 218-01-9 | ||
| Dibenz[a,h]anthracene | 53-70-3 | ||
| Dibenzofuran | 132-64-9 | ||
| Dibenzo(a,e)pyrene | 192-65-4 | ||
| 3,3’- Dimethoxybenzidine | 119-90-4 | ||
| Dimethylaminobenzene | 60-11-7 | ||
| 7,12-Dimethylbenz(a)anthracene | 57-97-6 | ||
| 3,3’- Dimethylbenzidine | 119-93-7 | ||
| á,á- Dimethylphenethylamine | 122-09-8 | ||
| 2,4-Dimethylphenol | 105-67-9 | ||
| Fluoranthene | 206-44-0 | ||
| Fluorene | 86-73-7 | ||
| Indeno(1,2,3-cd)pyrene | 193-39-5 | ||
| Isophorone | 78-59-1 | ||
| 3-Methylcholanthrene | 56-49-5 | ||
| 2-Methylnaphthalene | 91-57-6 | ||
| Naphthalene | 91-20-3 | ||
| Perylene2 | 198-55-0 | ||
| Phenanthrene | 85-01-8 | ||
| Phenol | 108-95-2 | ||
| 1,4-Phenylenediamine | 106-50-3 | ||
| Pyrene | 129-00-0 | ||
| o-Toluidine | 95-53-4 | ||
|
|
| ||
| Aldehydes | |||
| Methanol | 67-56-1 | ||
| Formaldehyde | 50-00-0 | ||
| Acetaldehyde | 75-07-0 | ||
| Propanal | 123-38-6 | ||
|
|
| ||
| C1 to C5 Hydrocarbons | |||
| Description | Compound | CAS Number | |
| C1 Alkanes | Methane | 74-82-8 | |
| C2 Alkanes | Ethane | 74-84-0 | |
| C3 Alkanes | Propane | 74-98-6 | |
| C4 Alkanes | n-Butane | 106-97-8 | |
| Isobutane | 75-28-5 | ||
| C5 Alkanes | n-Pentane | 109-66-0 | |
| 2-Methylbutane | 78-78-4 | ||
| Cyclopentane | 287-92-3 | ||
| C2 Olefins | Ethylene | 74-85-1 | |
| C2 Alkanes | Acetylene | 74-86-2 | |
| C3 Olefins | Propylene | 115-07-1 | |
| C4 Olefins | 1-Butene | 106-98-9 | |
|
| 2-Butene | 107-01-7 | |
|
| Isobutene | 115-11-7 | |
| C5 Olefins | 1-Pentene | 109-67-1 | |
|
| Cis-2-pentene | 627-20-3 | |
|
| Trans-2-pentene | 646-04-8 | |
|
| 2-Methyl-1-butene | 563-46-2 | |
|
| 3-Methyl-1-butene | 563-45-1 | |
|
| 2-Methyl-2-butene | 513-35-9 | |
|
| Cylcopentene | 142-29-0 | |
| C3 Alkadienes | Propadiene | 463-49-0 | |
| C4 Alkadienes | 1,2-Butadiene | 590-19-2 | |
|
| 1,3-Butadiene | 106-99-0 | |
| C5 Alkadienes | 1,2-Pentadiene | 591-95-7 | |
|
| 1-cis-3-Pentadiene | 1574-41-0 | |
|
| 1-trans-3- Pentadiene | 2004-70-8 | |
|
| 1,4-Pentadiene | 591-93-5 | |
|
| 2,3-Pentadiene | 591-96-8 | |
|
| 3-Methyl-1,2- butadiene | 598-25-4 | |
|
| 2-Methyl-1,3- butadiene | 78-79-5 | |
|
| Cyclopentadiene | 542-92-7 | |
| Heating Value Range | |||
| Unit | Lower | Upper | |
| Btu/ft3 | 83 | 2350 | |
1.2 This standard involves combustible gases. It is not the purpose of this standard to address the safety concerns, if any, associated with their 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.
Significance and Use
5.1 This test method provides an accurate and reliable procedure to measure the total heating value of a fuel gas, on a continuous basis, which is used for regulatory compliance, custody transfer, and process control.
5.2 Some instruments which conform to the requirements set forth in this test method can have response times on the order of 1 min or less and can be used for on-line measurement and control.
5.3 The method is sensitive to the presence of oxygen and nonparaffin fuels. For components not listed and composition ranges that fall outside those in Table 1 and Table 2, modifications in the method and changes to the calibration gas or gasses being used may be required to obtain correct results.
Keywords
calorimeter; flare gas; heating value; natural gas; stoichiometric conversion; ICS Number Code 75.060 (Natural gas); 75.160.30 (Gaseous fuels)
To find similar documents by ASTM Volume:
05.06 (Gaseous Fuels; Coal and Coke)
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Document Number
ASTM-D4891-13
Revision Level
2013 EDITION
Status
Superseded
Modification Type
Revision with Title Change
Publication Date
June 1, 2013
Document Type
Test Method
Page Count
6 pages
Committee Number
D03.03