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麦草碱性亚硫酸钾制浆工艺研究
Clean pulping technology from wheat straw with alkaline potassium sulfite
【摘要】 进行了碱性亚硫酸钾蒸煮麦草工艺优化研究,结果表明总碱量11%,碱比0.8,AQ0.2%,最高温度165℃和保温150min是最佳蒸煮条件,所得浆的卡伯值是15.8,粗浆得率53.2%。本体系较传统钠基盐蒸煮优势是其经济的废液回收系统。
【Abstract】 The optimization of wheat straw cooking technology with alkaline potassium sulfite has been studied and the the results show that the optimal condition of cooking:alkali charge 11%, alkali ratio 0.8,AQ dosage 0.2%, maximum temperature 165℃ and temperature preseration 150 min. The Kappa number was 15.8 with the digester yield of 53.2%. The advantage of this system over the traditional sodium base cooking system lies in the economical effluent recovery system.
【关键词】 KOH-K2SO3-AQ体系;
蒸煮;
麦草;
工艺;
【Key words】 KOH-K2SO3-AQ system; cooking; wheat straw; technology;
【Key words】 KOH-K2SO3-AQ system; cooking; wheat straw; technology;
- 【文献出处】 中华纸业 ,China Pulp & Paper Industry , 编辑部邮箱 ,2006年08期
- 【分类号】TS743
- 【被引频次】7
- 【下载频次】95