公开(公告)号：US06805790B2

公开(公告)日：2004-10-19

申请号：US10090446

申请日：2002-03-04

申请人： Anurag Ateet Gupta ,  Suresh Kumar Puri ,  Muniaswamy Rajesh ,  Ambrish Kumar Misra ,  Bijendra Singh Rawat ,  Akhilesh Kumar Bhatnagar

发明人： Anurag Ateet Gupta ,  Suresh Kumar Puri ,  Muniaswamy Rajesh ,  Ambrish Kumar Misra ,  Bijendra Singh Rawat ,  Akhilesh Kumar Bhatnagar

IPC分类号： C10G2500

CPC分类号： C10G25/05 ,  C10G2400/18

摘要： A process and an apparatus for the preparation of petroleum hydrocarbon solvent with improved color stability from crude oils having high concentration of nitrogenous compounds which comprises passing said petroleum hydrocarbon stream containing substantial amount of nitrogenous compounds over a column of molecular sieves modified clays at ambient to elevated temperature and pressure maintaining the feed in the liquid state, thereby obtaining the petroleum hydrocarbon stream with desired color stability.

摘要翻译： 一种用于制备具有高含氮化合物浓度的原油的具有改进的颜色稳定性的石油烃溶剂的方法和装置，其包括将含有大量含氮化合物的所述石油烃流在环境温度升高到分子筛改性粘土柱上 温度和压力使进料保持在液态，从而获得具有所需颜色稳定性的石油烃流。