The manufacturing method of a bleached pulp
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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(Amended) SUBJECT of the Invention Provision of the new manufacturing method of the bleached pulp which was excellent in various performance， such as a whiteness and fading property， at the comprehensive target. PROBLEM to be solved The digestion stage which digests lignocellulose material， The alkali oxygen-bleaching process of carrying out the alkali oxygen bleaching of the unbleached pulp obtained by a digestion stage， The chlorine-dioxide treatment process which processes the pulp obtained by an alkali oxygen-bleaching process with a chlorine dioxide using mono-persulfuric acid together， The manufacturing method of a bleached pulp which is a manufacturing method of the bleached pulp provided with these， and has pH value of the process liquid in a chlorine-dioxide treatment process in the range of 2-8. SELECTED DRAWINGS FIG. 1 [FIG. 1] [MAT_IMAGE 000004] [FIG. 2] [MAT_IMAGE 000005] [FIG. 3] [MAT_IMAGE 000006]
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国家林业和草原科学数据中心
创建时间：
2023-02-12
