LIFE CYCLE ASSESSMENT OF HIGH PURITY MAGNESIUM PRODUCTION

LIU Yu-tong; ZHANG Yun; HOU Hao-chen; GAO Qiu-feng; XU Xiao-zhu

doi:10.13205/j.hjgc.202106028

Volume 39 Issue 6

Jan. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(6): 187-191

LIU Yu-tong, ZHANG Yun, HOU Hao-chen, GAO Qiu-feng, XU Xiao-zhu. LIFE CYCLE ASSESSMENT OF HIGH PURITY MAGNESIUM PRODUCTION[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(6): 187-191. doi: 10.13205/j.hjgc.202106028

Citation:

LIU Yu-tong, ZHANG Yun, HOU Hao-chen, GAO Qiu-feng, XU Xiao-zhu. LIFE CYCLE ASSESSMENT OF HIGH PURITY MAGNESIUM PRODUCTION[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(6): 187-191. doi: 10.13205/j.hjgc.202106028

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LIFE CYCLE ASSESSMENT OF HIGH PURITY MAGNESIUM PRODUCTION

doi: 10.13205/j.hjgc.202106028

Key Laboratory of Industrial Ecology and Environmental Engineering(MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China

Received Date: 2020-09-04
Available Online: 2022-01-18

Abstract

Abstract

High-purity magnesia was one of the most demanded and widely used products among many magnesia refractories. However, in recent years, high-purity magnesia manufacturers have faced problems such as high energy consumption, high pollution emissions, and difficulties in pollution control. This study used life cycle assessment to analyze the environmental impact of high-purity magnesia production, from cradle to gate, divided the entire process into six stages, selected 12 key environmental impact types, and established the list of material input and emissions. This study was modeled and calculated based on eBalance software. The results showed that the total environmental impact of high-purity magnesia production was 4.23×10^-12, of which GWP was the largest environmental impact contribution type in the production of high-purity magnesia. The light burning stage and heavy burning stage had the largest environmental impact contribution, followed by the fine grinding stage, mining stage, and ball pressing stage, while the environmental impact contribution of the transportation stage was small.
- high purity magnesia,
- magnesium refractory,
- life cycle assessment (LCA),
- environmental impact

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