# Pyrophyllite: An Economic Mineral for Different Industrial Applications
## 4 Enrichment of Low-Grade Pyrophyllite Ore
### Magnetic Separation
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Ore Country** & \
\begin{tabular}{c} **ROM Chemical** \\ **Composition** \\ \end{tabular} & **Main Gangue Minerals** & **Treatment Methods** &
\begin{tabular}{c} **Major Concentrate** \\ **Features** \\ \end{tabular} & **Ref.** \\ \hline \multirow{4}{*}{South Korea} & \(\bullet\) & SiO\({}_{2}\) 78.02\% & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & Magnetic separation (Dry & \(\bullet\) & The Fe removal rates & \\  & \(\bullet\) & Li\({}_{2}\)O\({}_{3}\) 10.12\% & & & pyrite phases & high intensity & obtained were 96\% and 93\%. & [98] \\  & \(\bullet\) & TiO\({}_{2}\) 2.33\% & & & magnetic separation & & \\  & \(\bullet\) & Alkalis 0.54 & & & separation & & \\ \hline \multirow{4}{*}{India} & \(\bullet\) & SiO\({}_{2}\) 63.62\% & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & The Al\({}_{2}\)O\({}_{3}\) content & \\  & \(\bullet\) & Al\({}_{2}\)O\({}_{3}\) 21.36\% & & & & & \\  & \(\bullet\) & Fe\({}_{2}\)O\({}_{3}\) 0.26\% & & & & & \\  & \(\bullet\) & TiO\({}_{2}\) 0.12\% & & & & & \\  & \(\bullet\) & Alkalis 5.57\% & & & & & \\ \hline \multirow{4}{*}{Turkey} & \(\bullet\) & SiO\({}_{2}\) 73.41\% & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & Collectorless & \(\bullet\) & The Al\({}_{2}\)O\({}_{3}\) content & \\  & \(\bullet\) & Al\({}_{2}\)O\({}_{3}\) 20.64\% & & & & & \\  & \(\bullet\) & Fe\({}_{2}\)O\({}_{3}\) 0.06\% & & & kaolinite & & (Direct) & & \\  & \(\bullet\) & TiO\({}_{2}\) 0.42\% & & & & & \\  & \(\bullet\) & Alkalis 0.92\% & & & & & \\ \hline \multirow{4}{*}{India} & \(\bullet\) & SiO\({}_{2}\) 73.41\% & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & A high Al\({}_{2}\)O\({}_{3}\) grade of & \\  & \(\bullet\) & Al\({}_{2}\)O\({}_{3}\) 0.06\% & & & & & \\  & \(\bullet\) & TiO\({}_{2}\) 0.42\% & & & & & \\  & \(\bullet\) & Alkalis 0.92\% & & & & & \\ \hline \multirow{4}{*}{India} & \(\bullet\) & SiO\({}_{2}\) 68.13\% & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} & Quartz, muscovite, orthoclase, and & \multirow{4}{*}{\(\bullet\)} & Leaching by oxalic acid & \(\bullet\) & The Fe removal rate \\  & \(\bullet\) & Al\({}_{2}\)O\({}_{3}\) 2.5\% & & & & & \\  & \(\bullet\) & Alkalis 1.5\% & & & & & \\ \hline \multirow{4}{*}{South Korea} & \(\bullet\) & SiO\({}_{2}\) 71.64\% & \multirow{4}{*}{\(\bullet\)} & Quartz and dickite. & \multirow{4}{*}{\(\bullet\)} & Ammonia & \multirow{4}{*}{\(\bullet\)} & \multirow{4}{*}{\(\bullet\)} \\  & \(\bullet\) & Al\({}_{2}\)O\({}_{3}\) 18.56\% & & & & & \\  & \(\bullet\) & Fe\({}_{2}\)O\({}_{3}\) 3.57\% & & & & & \\  & \(\bullet\) & TiO\({}_{2}\) 0.57\% & & & observed & & \\  & \(\bullet\) & Alkalis 0.48\% & & & & & \\ \hline \multirow{4}{*}{South Korea} & \(\bullet\) & SiO\({}_{2}\) 72.37\% & \multirow{4}{*}{\(\bullet\)} & Impurities appear in the form of & \multirow{4}{*}{\(\bullet\)} & Sequential & \multirow{4}{*}{\(\bullet\)} & Iron and Ti were & \\  & \(\bullet\) & Al\({}_{2}\)O\({}_{3}\) 17.93\% & & pyrite, hematite, & & & \\  & \(\bullet\) & Fe\({}_{2}\)O\({}_{3}\) 2.77\% & & and rutile. & & & \\  & \(\bullet\) & TiO\({}_{2}\) 1.39\% & & Kaolinite, quartz, & & & \\  & \(\bullet\) & Alkalis 1\% & & & & & \\  & \(\bullet\) & Alkalis 0.48\% & & & & & \\ \hline \hline \end{tabular}
\end{table} 
Table 6: Methods of beneficiation for low-grade pyrophyllite ores, description, and results obtained from the literature review.