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Левданский, Владимир Александрович; Левданский, Александр Владимирович; Кузнецов, Борис Николаевич (2014)
Publisher: Altai State University
Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material)
Languages: Russian
Types: Article
Subjects: Chemistry, Q, QD1-999, Science, fir-wood, delignification, hydrogen peroxide, acetic acid, sulfuric acid catalyst, alkaline treatment, alpha-cellulose, древесина ели, делигнификация, пероксид водорода, уксусная кислота, сернокислотный катализатор, щелочная обработка, альфа-целлюлоза
The «green» method of obtaining from fir-wood the cellulosic product with high content of alpha-cellulose was developed. It consists of the stage of wood delignification by hydrogen peroxide in the medium «acetic acid – water – sulfuric acid catalyst» and of the stage of alkaline treatment by NaOH. Preparation conditions were selected which allow to obtain with an acceptable yield (30–31% mas.) the cellulosic product containing 97,3–98,0% mas. of alpha-cellulose.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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