Solvent extraction of lithium from Sidoarjo mud using D2EHPA

被引：2

作者：

Juliastuti, S. R. ^{[1
]}

Darmawan, R. ^{[1
]}

Ningsih, E. ^{[1
]}

Rachmaniah, O. ^{[1
]}

Meka, W. ^{[1
]}

机构：

[1] Sepuluh Nopember Inst Technol, Dept Chem Engn, Surabaya 60111, Indonesia

来源：

SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING | 2024年 / 49卷

关键词：

Solvent; Extraction; Lithium; Mud Sidoarjo; sdg; CARBON NANOFIBER; LUMPUR SIDOARJO; ION BATTERIES; RECOVERY; OPTIMIZATION; CHALLENGES; TAGUCHI;

D O I：

10.1016/j.sajce.2024.04.011

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The limited supply of fossil fuels towards carbon neutrality has prompted massive efforts to replace fossil fuel vehicles with electric vehicles. This research investigates the recovery of lithium in leaching solutions through solvent extraction experiments using several experimental parameters such as ratio, extraction time, solvent concentration, type of diluent and stirring speed. Lithium leaching in Sidoarjo mud has been carried out using a hydrometallurgical process followed by solvent extraction. The solvent used is Di-(2-ethylhexyl) phosphoric acid (D2EHPA) with Kerosene and vegetable oil as diluents. The Taghuchi L8 orthogonal arrangement was carried out to identify process parameters that influence the concentration of lithium extract. The influence of parameters was examined by Analysis of Variance (ANOVA) through contribution percentages. Investigation of optimized lithium extraction is a ratio of 1:1, extraction time of 30 min, solvent concentration of 1 M, type of vegetable oil diluent and stirring speed of 300 rpm. Thus, the results show that ratio is the most influential factor with a Lithium contribution percentage of 67.22 %.

引用

页码：146 / 150

页数：5

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