摘要
将实验室合成的腰果酚聚氧乙烯醚(CPE)与其他市售表面活性剂复配使用制备环保高效脱墨剂,用于混合办公废纸浮选脱墨。研究其脱墨效果及最优工艺。实验结果表明:C PE对混合办公废纸有较好的脱墨效果,且具有良好的配伍性,与多种表面活性剂复配可以达到更好的效果。CPE与其他表面活性剂三组分复配使用时脱墨效果优于双组分使用,更优于CPE单独使用。当CPE/AEO-9/AES质量比为1∶1∶1时复配使用效果最好,脱墨浆白度达到90.45%ISO,油墨去除率达到91.96%,纸浆得率75.7%。最优脱墨工艺条件为:脱墨剂用量0.3%,碎浆时间30min,碎浆温度55℃,浮选时间20min,浮选温度50℃。
Combination of CPE with other commercially available surfactant was used for flotation deinking of MOW.The deinking effect and the optimum process were studied.The experimental results showed that CPE has a good deinking effect for mixed office paper,having a good compatibility with other surfactant.A better effect can be reached when mixed with a variety of surfactant.The deinking effect of CPE with three component blending is better than double component blending,and rather better than CPE alone.The experimental results show that blending of the three surfactant of CPE∶AES∶AEO-9 with mass ratio of 1∶1∶1 can provide the best effect,with brightness of the recycled pulp reaching up to 90.45%ISO,ink removal rate 91.96%and pulp yield to 75.7%.The optimum deinking conditions are as follows:dosage of deinking agent is 0.3%,the defiberating time 30min,the defiberating temperature 55℃,the flotation time 20min,and flotation temperature 50℃.
作者
王凤
龙柱
WANG Feng;LONG Zhu(Institute of Paper Technology,School of Textiles&Clothing,Jiangnan University,Wuxi 214122,Jiangsu,China;Key Laboratory of Eco-textiles,Ministry of Education,Jiangnan University,Wuxi 214122,Jiangsu,China)
出处
《中华纸业》
CAS
2018年第6期33-38,共6页
China Pulp & Paper Industry
关键词
腰果酚聚氧乙烯醚
表面活性剂
脱墨剂
办公废纸
浮选脱墨
cardanol polyoxyethylene
surfactant
deinking agent
mixed office waste
flotation deinking
