It is become the conjunct developing direction in international society to develop low carbon economy with scientific supporting. And stone mine is usually produced by high carbon company, so it’s a great question to adopt low carbon economy development, which require immediately solve.

Magnetic separation is a separation of mineral beneficiation methods, suffered the size of the magnetic force in the magnetic field are sorted according to magnetic differences between the mineral particles and minerals. According to different magnetic properties of various materials in the future by the magnetic field generated, where that can be magnetized material, are…