METHOD FOR REMOVING IMPURITIES FROM PLASTIC

• Main Authors: YOSHIKAWA, Seishi, TASHIRO, Yuuki, NAGAO, Jotaro, OTSUKI, Azusa
• Format: Patent
• Language: English; French; Japanese
• Published: 16.06.2022
• Subjects: MAKING GRANULES OR PREFORMS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The present invention is characterized in that impurities are removed from a plastic through cleaning by using, as a cleaning medium, water that is heated to a level at which the dielectric constant of water is at most 60. La présente invention est caractérisée en ce que des impuretés sont éliminées d'une matière plastique par nettoyage à l'aide, en tant que milieu de nettoyage, d'eau qui est chauffée à un niveau auquel la constante diélectrique de l'eau est d'au maximum 60. 誘電率が６０以下となるレベルに加熱されている水を洗浄媒体として用いての洗浄により、プラスチックから不純物質を除去することを特徴とする。