中国粉体技术2012，Vol.18Issue(6)：53-57,5.DOI:10.3969/j.issn.1008-5548.2012.06.013
超声清洗法回收冷轧厂磁过滤物中的纳米铁粉
Recovering Nano-sized Iron Powders from Magnetic Filter Products of Cold Rolling Plant Using Ultrasonic Wave Cleaning Method
赵平 1赵立宁 2张月萍1
作者信息
- 1. 河北科技大学化学与制药工程学院,河北石家庄050018
- 2. 河北科技大学河北省药物化工工程技术研究中心,河北石家庄050018
- 折叠
摘要
Abstract
A method of recovering nano-sized iron powders from the magnetic filter products of cold rolling plant was developed. Pure nano-sized iron powders were obtained after the amusable oil on the surface was removed utilizing ultrasonic wave cleaning method. The influence of the ultrasonic frequency, power and temperature on the oil-removing effect was researched. The samples of iron powders were characterized by XRD and SEM. The results show that corresponding to mechanical stirring cleaning method, the oil removal capability of the cleaning liquid can be improved by using ultrasonic wave cleaning method. The mass fraction of iron in the nano-sized iron powders can reach 95.75% under the conditions that washing the iron powder 4 times of 20 minutes every time with cleaning liquid at 40 ?, ultrasonic frequency is 40 kHz, powder density is 0.44 W/cm2, rinsing with deionized water until clarifying and vacuum drying 5 h.关键词
超声波/冷轧磁过滤物/纳米铁粉Key words
ultrasonic wave/ magnetic filter products of cold rolling/ nano-sized iron powders分类
资源环境引用本文复制引用
赵平,赵立宁,张月萍..超声清洗法回收冷轧厂磁过滤物中的纳米铁粉[J].中国粉体技术,2012,18(6):53-57,5.
