The Recent Activities of ECF Bleaching

Abstract

Elementary Chlorine Free (ECF) bleaching, the bleaching method with no chroline gas, has now become global standard. With the raising concern over environmental issue and to meet the demand from consumers, ECF bleaching is rapidly spreading among Japanese paper industries as well.
In accordance with the Nippon Paper Group’s Environment Charter (established in 1993) , Nippon Paper Industries has been keenly engaged in sustainable business activities that are in harmony with nature. Conversion of all bleaching lines to ECF is one of such activities.
When installing ECF bleaching, Nippon Paper Industries pioneered in introducing new technologies such as ozone bleaching and hot acid treatment in Japan. In this report details of NPI’s introduction of those new technologies in ECF bleaching are presented.