著者

藤安 洸一郎

出版者

JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY

雑誌

紙パ技協誌 (ISSN:0022815X)

巻号頁・発行日

vol.54, no.2, pp.156-165, 2000-02-01 (Released:2009-11-19)

参考文献数

12

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Formamidine sulfinic acid (FAS) has been attracting attention as a new bleaching agent in the pulp and paper industry. Though FAS is less powerful for reducing groups of pulp than hydrosulfite, it works effectively for decoloring dyes in pulp suspension.As recycled fiber is more commonly used, and ingredients such as inks and fillers originating from reclaimed papers gets diverse, FAS becomes interesting to the industry. The author shows that the two stage bleaching with hydrogen peroxide and FAS is very efficient for those troubles.