S Zorb吸附剂粒度分析方法研究  

STUDY OF PARTICLE SIZE ANALYSIS METHOD OF S Zorb ADSORBENT

作　　者：孙裕苹 郭瑶庆[2] 郭晓峰[2] Sun Yuping;Guo Yaoqing;Guo Xiaofeng(Nanjing Branch of SINOPEC Catalyst Co.Ltd.,Nanjing 210033;SINOPEC Research Institute of Petroleum Processing)

机构地区：[1]中石化南京催化剂有限公司,南京210033 [2]中国石化石油化工科学研究院

出　　处：《石油炼制与化工》2021年第6期87-91,共5页Petroleum Processing and Petrochemicals

摘　　要：采用3种不同型号的马尔文激光粒度仪,考察了颗粒折射率、遮光率、分散器搅拌速率、超声波、窗片洁净度等因素对S Zorb吸附剂粒度分布测定结果的影响。S Zorb吸附剂粒度分析的最佳条件为:颗粒折射率2.18-1.0i,遮光率10%~15%,MS3000-HydroEV的搅拌速率3000 r/ min,MS2000-HydroMU的搅拌速率2500 r /min,MS2000-2000G的搅拌速率900 r/ min、输送泵速2200 r /min。超声波分散会严重破坏吸附剂颗粒的原貌,测试中不应使用超声波;激光粒度仪窗片的洁净度对吸附剂的粒度分析结果影响较大,分析时需保证窗片洁净;待生剂适宜的预处理条件为200℃下烘干8 h,过高的预处理温度造成颗粒烧结,导致错误的粒度分布结果。Three different types of Malvern laser particle size analyzer were used to investigate the effects of particle refractive index,shading index,stirring rate of disperser,ultrasonic wave and window cleanliness on the particle size distribution of S Zorb adsorbent.The optimum conditions for particle size analysis of S Zorb adsorbent covered a particle refractive index of 2.18-1.0i,a shading index of 10%-15%,and a stirring rate of 3000 r/ min using MS3000 laser particle analyzer with HydroEV wet disperser,a stirring rate of 2500 r/ min using MS2000 laser particle analyzer with HydroMU wet disperser,or a stirring rate of 900 r/ min using MS2000 laser particle analyzer with 2000 G wet disperser and conveying pump speed of 2200 r min,respectively.Ultrasonic dispersion will seriously damage the original appearance of adsorbent particles,so ultrasonic should not be used in the test.The cleanliness of the window of the laser particle analyzer has a great influence on the particle size analysis results of the adsorbent.The suitable pretreatment condition of the spent adsorbent is drying at 200℃for 8 h.Too high pretreatment temperature will cause sintering of particles,leading to wrong results of particle size distribution.

关 键 词：S ZORB 吸附剂 激光散射法 粒度分布 

分 类 号：TE624.55[石油与天然气工程—油气加工工程] TQ424[化学工程]