ZERO-EFFLUENT P-RC APMP PROCESS:SILICATE FREE BLEACHING WITH FENNOBRITE

摘要：

High brightness hardwood chemi-mechanical pulps are today most commonly bleached with hydrogen peroxide. Process conditions in the peroxide bleaching are challenging: high pH, high temperature and transition metals may decompose peroxide. To prevent peroxide decomposition, special stabilizers, like sodium silicate, are used. However, in zeroeffluent mills utilizing evaporation plants for waste water treatment silicate scaling might become an issue. This article will present results from pilot scale eucalyptus P-RC APMP tests, where silicate was replaced with a silicate-free Fennobrite?peroxide stabilizer. Brightness levels up to 80+ ％ISO were reached. Based on pilot scale results, Fennobrite?products were selected for industrial scale operation

作者: Minna Sankari Irene Liu Minli Huang Eric Xu Anna llom(a)ki Jonas Konn Dieter Teubner Peter Braeuer

作者单位: Kemira Germany Sales GmbH,Marie-Curie Strasse10,51377 Leverkusen,Germany Kemira Chemicals(Shanghai)Co.Ltd,4E,Building 10, No. 1188 Lianhang Road,Minhang, Shanghai,201112, Ch Andritz Inc., 3200Upper Valley Pike,Springfield,Ohio, 45504, USA 4Kemira Oyj,P.O.Box330,Helsinki, 00101, Finland 5Andritz AG,Statteggersstrasse 18,Graz, A-8045,Austria Andritz AG,Statteggersstrasse 18,Graz, A-8045,Austria

会议类型: 国际会议

会议名称: International Mechanical Pulping Conference 2011(2011国际机械浆学术会议)

会议地点: 西安

会议语种:英文

页码: 275-278

在线出版日期: 2011-06-26（万方平台首次上网日期，不代表论文的发表时间）