● Extractant selection, identification, degradation, rejuvenation and regeneration.

● Extraction process design and optimization.

● Layout design and optimization of solvent extraction system.。

● Design, selection, optimization and improvement of solvent extraction equipments.

● Disposal of the entrainment and crud.

●Solvent extraction process pilot service.

● Extractant replacement design. Study on extractant performance, make up, compatibility and sustainability.

● Process design for extraction and separation of copper, zinc, nickel, cobalt, uranium, molybdenum, precious metals and rare earth metals.