Recovery of Silica from Sidoarjo Mud by Alkali Fusion

Abstract:

Sidoarjo mud contains potentially valuable minerals, the largest content of which is silica. Silica decomposition from Sidoarjo mud can be done by using alkaline fusion method. The purpose of this study is the recovery of silica from the Sidoarjo mud against variations in Na₂CO₃ alkaline fusion time. Stages Sidoarjo mud mass ratio Na₂CO₃ 1:3 is inserted into the furnace at a temperature of 700°C with a long alkaline fusion time of 1:1.5;2;2.5; and 3 hours. Based on the calculation results, the best % recovery occurred for 3 hours, which was 48.3%. It can be concluded that the alkaline fusion time can affect the silica decomposition of the Sidoarjo mud

• Periodical: Materials Science Forum (Volume 1113)
• Pages: 127-132
• DOI: https://doi.org/10.4028/p-mBGw98
• Online since: February 2024
• Authors: Sri Rachmania Juliastuti*, Erlinda Ningsih, Raden Darmawan, Nuniek Hendrianie, Orchidea Rachmaniah
• Keywords: Alkali Fusion, Mud, Recovery, Sidoarjo, Silica

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