Sodium carbonate pre-extraction of Trema orientalis in the production of paper grade pulp

IF 0.8 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Drewno Pub Date : 1900-01-01 DOI:10.12841/WOOD.1644-3985.110.06

M. Jahan, M. Sarkar, M. Rahman

引用次数: 7

Abstract

To increase the profitability of the pulp and paper industry, additional value added products from lignocelluloses are needed, and consistent with this goal, a biorefinery concept based on the sodium carbonate pre-extraction of Trema orientalis prior to pulping was proposed. The solid content in the sodium carbonate pre-extracted liquor was much lower than the hot water pre-extraction, which affected the pre-hydrolysis yield and overall pulp yield positively. The alkaline pre-extraction had a beneficial effect on delignification in the subsequent soda-AQ-pulping. In addition, the alkaline pre-extraction improved the pulp bleachability. The papermaking properties of the alkaline pre-extracted soda-AQ pulp were very close to non-extracted pulp after D0EpD1 bleaching.

查看原文本刊更多论文

碳酸钠预萃取在纸级纸浆生产中的应用

为了提高纸浆和造纸工业的盈利能力，需要从木质纤维素中获得额外的附加值产品，为了实现这一目标，提出了一种基于碳酸钠预提取东方耳制浆前的生物精炼概念。碳酸钠预提液固含量远低于热水预提液，这对预水解得率和总纸浆得率有积极影响。碱预萃取对后续碱- aq法制浆的脱木素作用有利。此外，碱预浸提高了纸浆的可漂白性。经D0EpD1漂白后，碱预提碱- aq浆的造纸性能与未提碱浆非常接近。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Drewno MATERIALS SCIENCE, PAPER & WOOD-

CiteScore

1.10

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： Wood. Research papers. Reports. Announcements" ("Drewno") is an international scientific journal that publishes original results of innovatory basic and applied research concerning technological, technical, economic and ecological issues important for the wood science and forest-based industries, including their environment, and interesting to the international recipients. "Drewno" is an Open Access biannual journal. Aims and scope: wood science: anatomy, biology, chemistry, physics wood mechanical and chemical technology, inter alia, sawmilling, composite wood products, wooden construction, furniture making, wood pulp, paper making material engineering, biocomposites, nanocomposites material management environmental protection, safety of the processes, products and working stations biotechnology bioenergy, biofuels forestry: harvesting and wood quality wood-based industries economics The Editorial Board of the journal especially welcomes articles concerning increase in wood resources (wood mobilisation); innovative composites and lignocellulosic materials; new trends in the protection, modification and finishing of wood; biorefining of raw wood material; "green" building; new technologies of wood waste recycling; sustainable development; innovation management; and business networks.