Itochu Corporation

Itochu Fashion System Co., Ltd.

Kensuke Kodachi

Kentaro Morishita

Provided is a microplastic discharge amount assessment method with which it is possible to objectively quantitatively assess the discharged amount of microplastic discharged from a textile product containing a synthetic resin. The microplastic discharge amount assessment method is characterized by including: a cleaning step for retrieving a test piece of a specified size or mass from a textile product containing a synthetic resin, and cleaning said test piece; a filtering step for using a filter to filter all wastewater discharged in the cleaning step; a measurement step for measuring the mass of textile waste trapped by the filter; and an assessment step for assessing the discharged amount of microplastic discharged from the textile product, on the basis of the measurement result from the measurement step.

Growing community of inventors

Tokyo, Japan

Kensuke Kodachi