吸附法脱除汽油中有机硫的研究

来源 :华东理工大学 | 被引量 : 0次 | 上传用户:chen17983
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The new challenge over the world is to control the pollution of sulfur Compound in the air using new facilities and new technology to produce cleaner products(gasoline,diesel,jet fuels).Activated carbon and zeolite have excellent adsorption to desulphurize characteristics.Because using activated carbon and zeolite to desulphurize the liquid hydrocarbon fuel like gasoline can control the risks thiophene effectively and simplify the operation process,it is a promising new technology.The purpose of this work is the use of molecular sieve Y type zeolite partially exchanged,the adsorption behavior of sulfur by different adsorbents were investigated by dynamic and static adsorption desulfurization experiments on straight-run gasoline with a sulfur content of 334.70 mg/1 and FCC gasoline with a sulfur content of 169.23 mg/1.The adsorbents were prepared by liquid phase ion-exchange method using an aqueous solution of Zn(NO3)2.Cu(NO3)2,CsCl,Ce(NO3)2,AgNO3,Ni(NO3)2 and Na-Y like support.We will focus our work on NaY zeolite exchanged partially with zinc(Zn-Y)due to the best result than others adsorbents to achieve a deep adsorptive desulfurization,it has been demonstrated that the metal ion as well as calcination conditions have much influence on the absorption rate,for that reason the influence of loading concentration of Zn(NO3)2,calcination Temperature,calcination atmosphere adsorption temperature and space velocity were studied.The results showed that the adsorption desulfurization of Zn-Y under the condition as follows:Zn2+ loading concentration 0.5 mol/1,calcination,temperature 450℃ under N2,adsorption temperature 30℃ and adsorption space velocity 0.5 h-1,shown higher capacity and performance rate on straight-run gasoline and under the condition as follows:Zn2+ loading concentration 0.3 mol/1,calcination temperature 500 ℃ under N2,adsorption temperature 30 ℃ and adsorption space velocity 0.5 h-1,shown an excellent capacity and performance desulfurization rate for the removal of sulfur compounds on FCC gasoline.
其他文献
口蹄疫病毒(Foot-and-mouth disease virus FMDV)主要引起牛、猪、羊等偶蹄动物的口蹄疫(Foot-and-mouth disease,FMD)。FMD是一种急性接触性传染病,发病率极高,并能形成大范围
北京云蒙山花岗岩为一中生代侵入的花岗岩穹隆,花岗岩穹隆的叶理普遍发育,叶理轨迹基本平行于穹隆的外部边界,并显示出从核部到边部逐渐增强,东南侧明显强于西北侧的特点。变
背景全科医生被誉为居民健康的“守门人”。大力培养全科医生、落实基层首诊和推进分级诊疗是当前医改的重点工作之一。目前,用近期数据对全科医生资源配置公平性进行的研究
分析了电商环境下我国茶产业发展的基本现状,梳理了现代供应链管理体系的发展,针对当前我国茶产业供应链体系存在的利益分配不均衡、运行机制较落后、过程成本相对高、质量监
该文针对工业循环水分析测试中的各个项目如PH、余氯、磷、硬度等指标进行了深入探讨,更客观反映了循环水水质的实际情况,满足生产实践的需要,同时满足了生产要求。
目的探讨对中重度子宫内膜异位症患者行腹腔镜手术置入引流管后阶段式体位干预对腹腔引流效果的影响。方法选择本院2017年1月至2017年12月因中重度子宫内膜异位症行腹腔镜手
目的乳腺癌已成为世界范围内女性恶性肿瘤中最常见的死因,伴有钙化的乳腺癌占乳腺癌30%~50%。探讨伴有钙化的乳腺浸润性导管癌(invasive ductal carcinoma,IDC)的临床病理特
电网调度自动化热备份双通道系统及其在电力系统中的应用湖南省电力调度通信局随着电网的发展和技术进步,以计算机为中心的能量管理系统(EMS)在电网调度自动化管理工作中发挥着愈来
目的:总结鞍区脑膜瘤的临床特点、解剖学特点,探寻鞍区脑膜瘤手术入路选择,总结手术技巧,以提高肿瘤的全切率,降低死亡率和致残率。方法:回顾性分析自2006年9月至2009年9月期间
目的探讨中医临床护理路径在桡骨远端骨折保守治疗患者中的临床应用。方法我科于2017年11月~2018年11月共收治90例桡骨远端骨折手法复位夹板外固定患者,随机分为两组,每组45