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Life Cycle Assessment of Boron Industry from Mining to Refined Products

Article dans une revue avec comité de lecture
Author
TÜRKBAY, Tuğçe
1002421 Institut de Mécanique et d'Ingénierie [I2M]
LARATTE, Bertrand
198759 Institut français d'études anatoliennes - Georges Dumezil [IFEAGD]
555877 APESA [Pau]
1002421 Institut de Mécanique et d'Ingénierie [I2M]
ÇOLAK, Ayşenur
ÇORUH, Semra
ELEVLI, Birol

URI
http://hdl.handle.net/10985/21576
DOI
10.3390/su14031787
Date
2022
Journal
Sustainability

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.

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