2. Method and device for high-voltage electrostatic separation of waste printed circuit board particles
3. The method of removing iron from Al-Si alloy by electromagnetic filtration.
4. Method for preparing modified asphalt by using nonmetallic powder of waste circuit boards.
5. A method for manufacturing a recycled board made of base material particles of waste printed circuit boards.
6. Vacuum sublimation separation method of zinc in copper-zinc mixed metal powder
7. Purification and separation method of mixed metal particles in high-voltage electrostatic field
8. A method for preparing phenolic molding compound from nonmetallic materials in waste printed circuit boards.
9. Multi-roller high-voltage electrostatic separation method for recycling waste circuit boards