发明名称 METHOD OF BLEACHING PULP WITHOUT USING CHLORINE-CONTAINING CHEMICALS
摘要 <p>The present invention relates to a process for producing pulp which is cooked under alkaline conditions and which is bleached without using chlorine-containing bleaching chemicals, in which process used cooking chemicals are recovered in a first recovery installation (18) and used bleaching chemicals are recovered in a second recovery installation (12), and, preferably, these bleaching chemicals are regenerated, wholly or in part, and reused in an oxygen-delignification stage (7) and/or in a TCF bleaching stage (9).</p>
申请公布号 WO1994012720(A1) 申请公布日期 1994.06.09
申请号 SE1993000925 申请日期 1993.11.05
申请人 发明人
分类号 主分类号
代理机构 代理人
主权项
地址