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Position: Home > Articles > Study on application of absorbing protein in potato starch waste water by magnetic chitosan microspheres Science and Technology of Food Industry 2010 (9) 251-253

磁性壳聚糖微球吸附马铃薯淀粉废水中蛋白的应用研究

作  者:
张轶;杨大林;韩杰;朱向玲;赵坤;赵萍
单  位:
兰州理工大学石油化工学院;兰州理工大学生命科学与工程学院
关键词:
磁性壳聚糖微球;马铃薯淀粉废水;蛋白质;吸附
摘  要:
利用高分子絮凝结合磁分离技术对从马铃薯淀粉废水中回收蛋白进行初步研究。采用反向悬浮交联法制备得到磁性壳聚糖微球,用扫描电镜对其进行形貌观察,并研究了该微球对马铃薯淀粉废水中蛋白的吸附效果。结果表明:合成的磁性微球外表呈球形,粒径为20~50μm;当马铃薯淀粉废水中磁性壳聚糖用量为2mg/mL(磁性壳聚糖微球:马铃薯蛋白=4:1),吸附时间为30min,温度为45℃,pH为7·0时,吸附率最高,达到80%。该研究为马铃薯淀粉废水的综合处理开辟了新的途径。
译  名:
Study on application of absorbing protein in potato starch waste water by magnetic chitosan microspheres
作  者:
ZHANG Yi1,YANG Da-lin1,HAN Jie1,ZHU Xiang-ling1,ZHAO Kun2,ZHAO Ping1(1. College of Life Science and Engineering,Lanzhou University of Technology,Lanzhou 730050,China;2. College of Petrochemical Technology,Lanzhou University of Technology,Lanzhou 730050,China)
关键词:
magnetic chitosan microspheres;potato starch waste water;protein;absorb
摘  要:
Polymeric flocculation and magnetic separation technology were used absorbing potato protein from potato starch waste water.The magnetic chitosan microspheres(M-CS)were prepared by reverse-phase suspension polymerization,its morphology were observed by using SEM,and adsorption effects of magnetic chitosan microspheres on protein of potato starch waste water were studied.The results showed that the shape of the microspheres was spherical,and their sizes were at 20 ~ 50μm,absorb rate of protein can reached 80%.The effective treatment conditions were:addition amount of magnetic chitosan microspheres 2mg/mL(agnetic chitosan microspheres:potato protein=4:1),absorbing time 30min,temperature 45℃,and pH7.0.The research opened up a new way for comprehensive treatment of potato starch waste water.

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