ASTM-D4891 Standard Test Method for Heating Value of Gases in Natural Gas and Flare Gases Range by Stoichiometric Combustion

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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.

TABLE 1 Natural Gas Components and Range of Composition Covered

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 


TABLE 2 Natural Gas Components and Range of Composition CoveredA

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

A Flare Gas Heating Value range defined in Table 2 is derived from the Evaluation of the Efficiency of Industrial Flares: Flare Head Design and Gas Composition EPA-600 /2-85-106 September 1985 Table 1-1. Agency Information Collection Activities OMB Responses EPA ICR Number 2411.01; NSPS and NESHAP for Petroleum Refineries Sector Residual Risk and Technology; OMB Number 2060-0657.

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.

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)

To find similar documents by classification:

75.060 (Natural gas)

75.160.30 (Gaseous fuels Including liquefied petroleum gases Hydrogen, see 71.100.20 Natural gas, see 75.060)

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Document Number

ASTM-D4891-13

Revision Level

2013 EDITION

Status

Current

Modification Type

Revision with Title Change

Publication Date

June 1, 2013

Document Type

Test Method

Page Count

6 pages

Committee Number

D03.03