COALESCER FILTER USED IN SOLVENT EXTRACTION METHOD

• Main Authors: KUSAKABE, JUNICHI, TANIGUCHI, KOHEI, TSURITANI, KANOKO, MIYAJI, KIYOSHI, UTSUMI, TAKAMITSU
• Format: Patent
• Language: English; French
• Published: 06.07.2023
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; ELECTRICITY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRETREATMENT OF RAW MATERIALS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; PRODUCTION AND REFINING OF METALS; SEPARATION; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The present disclosure provides a coalescer filter, which is used in a solvent extraction method for recovering metal contained in a secondary battery, wherein the coalescer filter includes a first filter medium and a second filter medium, an average pore diameter of the first filter medium is 0.8 ?m or more and 8 ?m or less, and an average pore diameter of the second filter medium is 9 ?m or more and 100 ?m or less. La présente invention concerne un filtre coalesceur qui est utilisé dans un procédé d'extraction par solvant pour collecter du métal contenu dans une batterie secondaire, ledit filtre coalesceur comprenant des premier et second milieux filtrants, le premier milieu filtrant ayant un diamètre de pore moyen de 0,8 à 8 µm, et le second milieu filtrant ayant un diamètre de pore moyen de 9 à 100 µm.