Usage of soda-soda semi-finished products from rape in cardboard composition
DOI:
https://doi.org/10.15587/2312-8372.2015.55481Keywords:
rape, soda-soda method, active alkali, anthraquinone, delignification, semi-chemical pulp, container cardboardAbstract
This article deals with obtaining and using fibrous semi-finished products from annual plants and some results of our research in this area are given. The main aim of the study is the use of clean soda-soda process for broken rape delignification for obtaining fiber semi-finished products to using them in the cardboard manufacture. An influence of the main technological parameters is shown in the article: active alkali charge, addition of NaOH to soda solution, cooking duration, infiltration and presence of anthraquinone catalyst on quality parameters obtained fiber semi-finished products and container cardboard. The proposed technological parameters of soda-soda cooking of broken rape allow to delignificate them to obtain semi-chemical pulp and high yield pulp. It is established the feasibility of using rape fiber semi-finished products for KT-25 and KT-50 container cardboard brands. The research results can be considered as an alternative to waste paper for the cardboard production.
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