METHOD AND APPARATUS FOR PURIFYING LIQUID

摘要

In a method and an apparatus of purifying a liquid to be dated, which contains magnetic solid particles therein, by feeding said liquid to a container (8) of an electromagnetic filter including a matrix (9) disposed inside said container and a coil (13) disposed so as to encompass the outer circumference of said container and generating a line of magnetic force to magnetize said matrix (9) when a current is applied thereto, the improvement wherein said coil (13) is cooled by said liquid to be treated.