Generation of Polycyclic Aromatic Hydrocarbons During Coking

钢铁研究学报(英文版), 2010, 17(12): 6-10.

^1, , ^2, , ^3, , ^4, , ^5,

1.State Key Laboratory of Advanced Steel Processing and Products, Central Iron and Steel Research Institute, Beijing 100081, China

2.Tangshan Environmental Protection Bureau, Tangshan 063000, Hebei, China;School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China

3.School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China

4.College of Metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009, Hebei, China

5.College of Metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009, Hebei, China

Generation of Polycyclic Aromatic Hydrocarbons During Coking

CHENG Xiang-li ^1, , LI En-ke ^2, , CANG Da-qiang ^3, , SHI Yan ^4, , LI Mao-jing ^5,

1.State Key Laboratory of Advanced Steel Processing and Products, Central Iron and Steel Research Institute, Beijing 100081, China

2.Tangshan Environmental Protection Bureau, Tangshan 063000, Hebei, China;School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China

3.School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China

4.College of Metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009, Hebei, China

5.College of Metallurgy and Energy, Hebei Polytechnic University, Tangshan 063009, Hebei, China

Keywords： polycyclic aromatic hydrocarbon

The generation of polycyclic aromatic hydrocarbons (PAHs) during coking was studied and the contents of sixteen PAHs were measured by the devices of ultrasonic abstraction and high performance liquid chromatography for single coal coking and blended coal coking. The results indicated that the amount of generated PAHs during the first 1-4 h of coking is the most. Among these PAHs, the tetranuclear PAHs have a major portion and the Benzo[a]pyrene which can cause cancer, and teratogenesis and mutation is generated for a larger concentration more than emission standard value. Two PAHs are the main pollutants of PAHs pollution.

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