Life Cycle Assessment of Arc Welding and Gas Welding Processes

被引:30
作者
Sangwan, K. S. [1 ]
Herrmann, Christoph [2 ]
Egede, Patricia [2 ]
Bhakar, Vikrant [1 ]
Singer, Jakob [2 ]
机构
[1] Birla Inst Technol & Sci, Dept Mech Engn, Pilani, Rajasthan, India
[2] Tech Univ Carolo Wilhelmina Braunschweig, Inst Machine Tools & Mfg Technol, Braunschweig, Germany
来源
23RD CIRP CONFERENCE ON LIFE CYCLE ENGINEERING | 2016年 / 48卷
关键词
Welding process; Life cycle assessment; Environment impact; Energy consumption;
D O I
10.1016/j.procir.2016.03.096
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Welding is one of the important processes in most of the manufacturing process chains. In term of material and energy consumption, every welding process is different from each other and thus has different environmental impact. It is estimated that 0.5-1% of the consumables in arc welding are converted into particulate matter, gases and emissions. On global level, the pollutants relea sed through welding process are in tons and a large amount of energy is consumed for the same. This study attempts to evaluate the environmental impact generated due to welding for training purpose. Material and energy flow modeling is carried out using software Umberto NXT universal with database Eco-invent version 3.0. Impact assessment has been carried out using midpoint (CML 2001) and end-point (Impact 2002+) assessment methods. It has been found that in the production of machine/equipment (manufacturing phase) copper and mild steel are major polluter; mild steel is dominant polluter in the use phase; and copper is the major contributor in the end of life phase. This study recommends use of simulation during training for advanced learning technologies for different welding processes (C) 2016 The Authors. Published by Elsevier B.V.
引用
收藏
页码:62 / 67
页数:6
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