摘要
该文以氢氧化铝为原料,制备了药物脱色用氧化铝。制备过程的酸洗复合和梯度烘焙等关键工序的技术参数为:复合溶液w(乙酸)=5%和w(PdC l2)=0.6%水溶液,浸泡时间1 h;梯度烘焙活化温度650℃,活化时间1 h,自然冷却。XRD测试结果表明,所得产品w(γ-型)=95%。TEM测试结果表明,产品表面具有独特的蜂窝状孔隙结构。经BET法测定,产品的比表面积为219.5 m2/g。产品对ρ(次亚甲基蓝)=1.5 g/L水溶液的过滤速度为23.0 mL/m in,脱色效率为99.8%。该文报告工作的新颖性,已为河北省科学技术信息研究所于2005年10月21日出具的第200513b15000959 a号《科技查新报告》所证实。
Medical aluminum oxide, a fine chemical often used as a deolorant in antibiotics production, was prepared by using aluminum hydroxide as the starting material. The appropriate parameters in the key of the preparation were： acid washing solution 5% mass fraction of acetic acid with 0. 6% mass fraction of PdC12 ; impregnating time = 1 h in the washing solution ; gradient calcination temperature 650 ℃ ;activation time 1 h;natural cooling in gradient calcination-activation step. The crystal phase of the product characterized by XRD was over 95% mass fraction of T-type. The unique honey-comb like surface appearance was detected by TEM. The surface area was 219.5 m2/g. Filtration speed and decolorating rate of 0. 15% mass concentration of methylene blue were 23.0 mL/min and 99.8% respectively. The novelty of this work has been confirmed in Technology Novelty Search Report No. 200513b15000959a provided by the Institute of Scientific and Technical Information of Hebei on October 21,2005.
出处
《精细化工》
EI
CAS
CSCD
北大核心
2009年第2期173-176,共4页
Fine Chemicals
关键词
医用氧化铝
脱色
医药原料
medical aluminum oxide
decoloration
drug materials
