Filtration separator for magnetic particles and filtration separation method for magnetic particles

A filtration separator for magnetic particles, comprising:

• a storage tank that stores a liquid in which the magnetic particles are dispersed, and that has a bottom portion and a side wall portion, wherein the side wall portion is different from the bottom portion;
• a stirring mechanism having a rotating shaft portion inserted into the storage tank in a direction crossing a face of the bottom portion, and a stirring impeller that is coupled to the rotating shaft portion and that stirs the liquid by rotation of the rotating shaft portion;
• a magnet mechanism that is provided in an entire part of the side wall portion, and that can switch a magnetic force in the storage tank between an on state and an off state, and that adsorbs the magnetic particles in the liquid to the side wall portion when the magnetic force is in the on state, wherein
• the magnet mechanism includes a magnet that has a circular ring shape, and
• the magnet is coupled to an entire circumference of the side wall portion;
• and
• a filtration mechanism having a filter disposed on the face of the bottom portion of the storage tank, and a discharge port from which the liquid after passing through the filter is discharged.