[S2-08] Dissolution behaviors of silicate minerals in the presence of chelating agents under alkaline conditions | 一般社団法人日本鉱物科学会2021年年会・総会

一般社団法人日本鉱物科学会2021年年会・総会

2021年9月15日〜9月19日オンライン開催

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一般社団法人日本鉱物科学会2021年年会・総会

2021年9月15日〜9月19日オンライン開催

[S2-08]Dissolution behaviors of silicate minerals in the presence of chelating agents under alkaline conditions

*Jiajie Wang¹, Noriaki Watanabe¹, Noriyoshi Tsuchiya¹(1. Tohoku Uni.)

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The dissolution behaviours of silicate minerals have been considered by a lot of studies in part due to their potential to aid in carbon storage. Due to the strong ability to bind metals at acid to alkaline pHs, chelating agents, GLDA and HEDTA, are used in this study to investigate their potential in promoting silicates dissolution under alkaline conditions. Experiments found a significant enhancement on all elements extractions from silicates without the formation of a silica-rich layer.

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