Life Cycle Assessment of Boron Industry from Mining to Refined Products

Tuğçe Türkbay, Bertrand Laratte, Ayşenur Çolak, Semra Çoruh and Birol Elevli
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Tuğçe Türkbay: Arts et Métiers Institute of Technology, University of Bordeaux, CNRS, Bordeaux INP, INRAE, I2M Bordeaux, F-33400 Talence, France
Bertrand Laratte: Arts et Métiers Institute of Technology, University of Bordeaux, CNRS, Bordeaux INP, INRAE, I2M Bordeaux, F-33400 Talence, France
Ayşenur Çolak: Department of Industrial Engineering, Ondokuz Mayıs University, Samsun 55139, Turkey
Semra Çoruh: Department of Environmental Engineering, Ondokuz Mayıs University, Samsun 55139, Turkey
Birol Elevli: Department of Industrial Engineering, Ondokuz Mayıs University, Samsun 55139, Turkey

Sustainability, 2022, vol. 14, issue 3, 1-15

Abstract: Although there are a lot of studies in literature related to the life cycle assessment (LCA) of mining, there are only a few studies done on the boron mining industry. This paper presents an LCA of the boron mining industry including the extraction, beneficiation, and refinement processes. The main purpose is to identify and compare the environmental impacts associated with the production of 1 ton of refined products (boric acid, borax pentahydrate, borax decahydrate, and sodium perborate) starting from an open pit mine located in Turkey. The life cycle inventory (LCI) was obtained from the data collected from the related literature sources and the company’s reports. This cradle-to-gate analysis has been carried out using the commercial software called SimaPro employing the International Reference Life Cycle Data System (ILCD) 2011 Midpoint+ Life Cycle Impact Assessment (LCIA) method. The results showed that the environmental impact of the refinement process is critical compared to the mining and beneficiations processes. Sulphuric acid, steam, hydrogen peroxide, and sodium perborate which are used in refined boron production cause most of the impact and emission into the environment. Among the refined boron products investigated, the impact of sodium perborate is quite high.

Keywords: life cycle assessment; environmental impact; boron mining; colemanite; ulexite; tincal (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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