公开(公告)号：US09034174B2

公开(公告)日：2015-05-19

申请号：US13672298

申请日：2012-11-08

申请人： NANOPETRO COMPANY LIMITED

发明人： Man Chung Daniel Cheng

IPC分类号： B01J20/02 ,  B01J20/22 ,  B01J20/28 ,  B01J20/30 ,  B01J20/32 ,  B01J20/34 ,  C10G25/00 ,  C10G25/12 ,  C10G32/02 ,  B01J20/06 ,  B82Y30/00

CPC分类号： B01J20/3231 ,  B01J20/06 ,  B01J20/22 ,  B01J20/28007 ,  B01J20/28009 ,  B01J20/3204 ,  B01J20/3265 ,  B82Y30/00 ,  C10G25/003 ,  C10G25/12 ,  C10G32/02 ,  C10G2300/104 ,  C10G2300/1044 ,  C10G2300/1055 ,  C10G2300/1062 ,  C10G2300/202 ,  C10G2400/02 ,  C10G2400/04 ,  C10G2400/10

摘要： The present invention provides a method of preparing an iron oxide magnetic nanoparticle, comprising the steps of: i) reacting a water-soluble ferrous salt with a water-soluble ferric salt in a mole ratio of 1:2 in the presence of a base and a citrate to give an iron oxide particle surface-coated with the citrate (c-MNP); ii) reacting the c-MNP obtained in step (i) with a thiophilic compound to give a thiophilic compound-bounded iron oxide particle surface-coated with the citrate (thiophilic-c-MNP); and iii) modifying the thiophilic-c-MNP obtained in step (ii) using a surfactant for phase transfer of the thiophilic-c-MNP from aqueous phase to organic phase. The present invention also relates to the iron oxide magnetic nanoparticle prepared by the above-mentioned method and the use of the nanoparticle in desulfurization. The iron oxide magnetic nanoparticle of the present invention is capable of effective deep desulfurization.

摘要翻译： 本发明提供一种制备氧化铁磁性纳米颗粒的方法，包括以下步骤：i）在碱存在下使水溶性亚铁盐与摩尔比为1：2的水溶性铁盐与水溶性铁盐反应， 柠檬酸盐，得到表面涂覆有柠檬酸盐（c-MNP）的氧化铁颗粒; ii）使步骤（i）中获得的c-MNP与亲硫化合物反应，得到表面涂覆有柠檬酸（thiophilic-c-MNP）的硫醇化合物结合的氧化铁颗粒; 和iii）使用表面活性剂修饰在步骤（ii）中获得的嗜硫菌素c-MNP，所述表面活性剂将嗜硫菌c-MNP从水相相转移到有机相。 本发明还涉及通过上述方法制备的氧化铁磁性纳米颗粒和在脱硫中使用纳米颗粒。 本发明的氧化铁磁性纳米粒子能够进行有效的深度脱硫。