本文選題：擬薄水鋁石 + 介孔氧化鋁載體　； 參考：《石油化工》2017年01期

【摘要】：分別采用醇鋁法和沉淀法制備氧化鋁,借助N_2物理吸附-脫附、XRD和SEM等技術(shù)對(duì)試樣進(jìn)行了表征,并對(duì)制備的載體進(jìn)行對(duì)比。表征結(jié)果顯示,醇鋁法制備的擬薄水鋁石純度及結(jié)晶度更高,雜質(zhì)少;小孔氧化鋁孔徑分布峰集中且峰形尖銳,峰寬較窄;大孔氧化鋁孔徑分布峰更寬甚至消失;氧化鋁由粒徑均勻且完整度高的球形顆粒聚集而成;小孔氧化鋁載體孔徑分布集中,沒(méi)有大孔;而大孔氧化鋁載體除介孔外還含有許多大孔。將兩種方法制得的大孔氧化鋁載體制備成催化劑,以渣油和蠟油混合油為原料,在氫分壓15.5 MPa、氫油體積比650∶1、反應(yīng)溫度390℃、液態(tài)空速0.5 h~(-1)的條件下對(duì)催化劑進(jìn)行評(píng)價(jià)。評(píng)價(jià)結(jié)果顯示,醇鋁法制備的催化劑具有較為優(yōu)異的加氫脫硫、加氫脫氮、加氫脫殘?zhí)考凹託涿摻饘倩钚浴?br/>[Abstract]:Alumina was prepared by aluminol method and precipitation method. The samples were characterized by N _ 2 physical adsorption-desorption XRD and SEM, and the carrier was compared. The results of characterization show that the pseudo-boehmite prepared by aluminol method has higher purity and crystallinity and less impurity, the pore size distribution peak of porous alumina is concentrated and sharp, the peak width is narrow, the pore size distribution peak of macroporous alumina is wider or even disappeared. Alumina consists of spherical particles with uniform particle size and high integrity. The pore size distribution of the porous alumina carrier is concentrated and there is no macropore, while the macroporous alumina carrier contains many macropores in addition to the mesopore. The catalyst was prepared from macroporous alumina carrier prepared by two methods. The catalyst was evaluated under the conditions of hydrogen partial pressure 15.5 MPA, hydrogen / oil volume ratio 650: 1, reaction temperature 390 鈩，

本文編號(hào)：1774356