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STAL Technology is a hydrometallurgy-based metal & mineral purification technology that is more efficient, safe for the environment, and profitable.

The STAL technology currently used for nickel refining has several advantages, such as:

1. Flexible: Utilizing the limonite layer in laterite ore which has not been utilized, makes STAL Technology a solution for low-grade laterite that was previously not utilized.

2. Efficient: Differences from other hydrometallurgical processes. In the STAL process, iron which is the largest element in laterite, and aluminum do not consume acids.

3. Efficient: At the optimum temperature, cracks occur in the silica that covers the Nickel inside. The cracks in the silica, make STAL can recover more nickel.

4. Less Acid Residue: After going through gradual heating, the resulting Residue can be said to contain only a little acid.

5. Scalable: STAL which is modular in nature can be added to the capacity