Industry | Manufacturing | Percentage distribution (%) and Emission factors (mg-VOC kg− 1) of the top 5 VOC species | References | ||||
---|---|---|---|---|---|---|---|
1st | 2nd | 3rd | 4th | 5th | |||
Chemical | Organic solvent | Ethyl acetatec | Acetonec | Methyl isobutyl ketonec | Tolueneb | Isopropyl alcoholc | This study |
51% (2.3 mg-VOC kg− 1) | 14% (0.64 mg-VOC kg− 1) | 8% (0.35 mg-VOC kg− 1) | 6% (0.25 mg-VOC kg− 1) | 4% (0.16 mg-VOC kg− 1) | |||
Synthetic resin | Acetonec | Methylcyclohexanea | Tolueneb | Methyl ethyl ketonec | 3-Methylpentanea | This study | |
56% (0.023 mg-VOC kg−1) | 16% (0.0067 mg-VOC kg− 1) | 8% (0.0033 mg-VOC kg− 1) | 3% (0.0011 mg-VOC kg− 1) | 2% (0.0091 mg-VOC kg− 1) | |||
Acrylic resin | m-Xyleneb | p-Xyleneb | o-Xyleneb | Ethylbenzeneb | Tolueneb | This study | |
42% (0.087 mg-VOC kg−1) | 28% (0.058 mg-VOC kg− 1) | 16% (0.033 mg-VOC kg− 1) | 10% (0.020 mg-VOC kg− 1) | 1% (0.0026 mg-VOC kg− 1) | |||
Polyester resin | Ethyl acetatec | Tolueneb | o-Ethyltolueneb | p-Ethyltolueneb | m-Ethyltolueneb | This study | |
80% (0.026 mg-VOC kg−1) | 16% (0.0053 mg-VOC kg− 1) | 1% (0.00027 mg-VOC kg− 1) | 1% (0.00027 mg-VOC kg− 1) | 1% (0.00024 mg-VOC kg− 1) | |||
Plastic | Plastic tape | Tolueneb | Ethyl acetatec | m-Xyleneb | p-Xyleneb | Ethylbenzeneb | This study |
44% (11 mg-VOC kg−1) | 16% (4.0 mg-VOC kg− 1) | 10% (2.5 mg-VOC kg− 1) | 10% (2.5 mg-VOC kg− 1) | 5% (1.3 mg-VOC kg− 1) | |||
Metal | Integrated iron and steel | Benzeneb | Tolueneb | Methyl ethyl ketonec | 1,3-Butadiene+ | Ethyl acetatec | This study |
41% (0.024 mg-VOC kg−1) | 38% (0.023 mg-VOC kg− 1) | 7% (0.0043 mg-VOC kg− 1) | 2% (0.0012 mg-VOC kg− 1) | 2% (0.0011 mg-VOC kg− 1) | |||
Aluminum foundry | Tolueneb | Ethyl acetatec | n-Nonanea | n-Octanea | 2,3,4-Trimethylpentanea | This study | |
40% (0.012 mg-VOC kg−1) | 10% (0.0029 mg-VOC kg− 1) | 7% (0.0021 mg-VOC kg− 1) | 4% (0.0013 mg-VOC kg− 1) | 4% (0.0013 mg-VOC kg− 1) | |||
Steel foundry | Tolueneb | Acetonec | n-Butanea | Methyl ethyl ketonec | Ethanolc | This study | |
12% (0.00031 mg-VOC kg−1) | 11% (0.00029 mg-VOC kg− 1) | 8% (0.00023 mg-VOC kg− 1) | 5% (0.00015 mg-VOC kg− 1) | 5% (0.00014 mg-VOC kg− 1) | |||
Metal products and machinery | 1-Butene+ | Ethanolc | cis-2-Butene+ | n-Butanea | Acroleinc | This study | |
40% (4.2 mg-VOC kg−1) | 29% (2.9 mg-VOC kg− 1) | 18% (1.9 mg-VOC kg− 1) | 6% (0.65 mg-VOC kg− 1) | 5% (0.56 mg-VOC kg− 1) | |||
Non-ferrous metal | Ethyl acetatec | Acetonec | Tolueneb | Methyl ethyl ketonec | n-Undecanea | This study | |
38% (0.0041 mg-VOC kg−1) | 14% (0.0015 mg-VOC kg− 1) | 14% (0.0015 mg-VOC kg− 1) | 7% (0.00078 mg-VOC kg− 1) | 3% (0.00027 mg-VOC kg− 1) | |||
Leather | PU leather | Methyl ethyl ketonec | Tolueneb | Methyl methacrylatec | Ethyl acetatec | Acetonec | This study |
60% (0.40 mg-VOC kg−1) | 24% (0.16 mg-VOC kg− 1) | 13% (0.085 mg-VOC kg− 1) | 2% (0.011 mg-VOC kg− 1) | 1% (0.0018 mg-VOC kg− 1) | |||
Printing | Plastic coating | Tolueneb | Acetonec | Methyl ethyl ketonec | Ethyl acetatec | 2-Methylhexanea | This study |
64% (0.0099 mg-VOC kg−1) | 25% (0.0039 mg-VOC kg− 1) | 8% (0.0012 mg-VOC kg− 1) | 1% (0.00013 mg-VOC kg− 1) | 1% (0.000038 mg-VOC kg− 1) | |||
Stencil printing | Tolueneb | 1,2,4-Trimethylbenzeneb | m-Ethyltolueneb | 1,3,5-Trimethylbenzeneb | 1,2,3-Trimethylbenzeneb | This study | |
35% (149 mg-VOC kg−1) | 20% (85 mg-VOC kg− 1) | 10% (42 mg-VOC kg− 1) | 7% (31 mg-VOC kg− 1) | 6% (26 mg-VOC kg− 1) | |||
Printing | Gravure printing | Ethyl acetate | Isopropyl alcohol | Methylene chloride | n-Propyl acetate | Toluene | [28] |
64% | 14% | 7% | 4% | 4% | Â | ||
Letterpress printing | Benzene | Toluene | Ethyl-benzene | 1,2-Dichloropropane | Acetic acid, methyl ester | Â | |
15% | 13% | 5% | 5% | 4% | Â | ||
Coating | Wood furniture | Styrene | Ethyl acetate | Acetic acid, butyl ester | Toluene | m/p-Xylene | [28] |
20% | 16% | 10% | 7% | 6% | Â | ||
Metal surface | Styrene | Methyl isobutyl ketone | Toluene | 1,2-Dichloroethane | Ethyl acetate | [28] | |
23% | 8% | 8% | 5% | 5% | Â | ||
Paint manufacturing | – | Ethyl acetate | Acetic acid, butyl ester | Ethyl-benzene | Toluene | m/p-Xylene | [28] |
11% | 9% | 7% | 5% | 5% | Â | ||
Shoemaking | – | 2-Butanone | Acetone | Ethyl acetate | Toluene | Cyclohexane | [28] |
29% | 19% | 19% | 7% | 5% | Â | ||
Integrated iron and steel industryd | Coke making | Toluene | 1,2,4-Trimethylbenzene | m/p-Xylene | Ethylbenzene | Trichloroethylene | [36] |
16 ± 10 | 5.5 ± 1.5 | 3.4 ± 1.8 | 2.6 ± 1.3 | 2.6 ± 1.1 |  | ||
Sintering | Toluene | Benzene | Isopentane | m/p-Xylene | 1,2,4-Trimethylbenzene | [36] | |
63 ± 73 | 13 ± 14 | 13 ± 8.8 | 13 ± 11 | 9.8 ± 9.1 |  | ||
Hot forming | Carbon tetrachloride | Toluene | 1,2,4-Trimethylbenzene | m/p-Xylene | Ethylbenzene | [36] | |
7.5 ± 11 | 1.7 ± 0.31 | 1.1 ± 0.24 | 1.1 ± 0.18 | 0.74 ± 0.14 |  | ||
Cold forming | Toluene | o-Xylene | Benzene | m/p-Xylene | Isopentane | [36] | |
15 ± 2.4 | 4.7 ± 0.45 | 3.8 ± 0.32 | 3.8 ± 0.36 | 3.4 ± 2.4 |  | ||
Solvent use | Architectural paints | Toluene | m/p-xylene | Ethylbenzene | o-Xylene | Benzene | [29] |
20% | 14% | 9% | 8% | 8% | Â | ||
Printing factory | n-Decane | n-Nonane | n-Undecane | n-Octane | m/p-Xylene | [29] | |
17% | 15% | 13% | 7% | 6% | Â | ||
Printing shop | i-Pentane | n-Hexane | Toluene | m/p-xylene | Ethane | [29] | |
12% | 9% | 8% | 6% | 5% | Â | ||
PU factories | Coating | Dimethyl formamide | Toluene | Methyl ethyl ketone | – | – | [51] |
2500 ± 1460 ppm | 1320 ± 210 ppm | 570 ± 320 ppm | – | – |  | ||
Adhering | Dimethyl formamide | Methyl ethyl ketone | Toluene | – | – | [51] | |
600 ± 100 ppm | 250 ± 50 ppm | 150 ± 30 ppm | – | – |  |