Chinese Journal of Applied Chemistry ›› 2016, Vol. 33 ›› Issue (2): 155-160.DOI: 10.11944/j.issn.1000-0518.2016.02.150245

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Aggreation Behavior and Catalytic Sweetening Performance of Sulfonated Metallophthalocyanines

CHENG Zhenhua,CUI Na,SONG Zhaoyang,JIANG Shengjuan,ZHU Lijun,XIA Daohong()   

  1. State Key Laboratory of Heavy Oil Processing,College of Chemical Engineering, China University of Petroleum,Qingdao,Shandong 266580,China
  • Received:2015-07-13 Accepted:2015-10-26 Published:2016-02-01 Online:2016-02-01
  • Contact: XIA Daohong
  • Supported by:
    Supported by the Fundamental Research Funds for the Central Universities(No.14CX06114A)

Abstract:

Sulfonated metallophthalocyanines are mainly used as oxidation regenerated catalyst in liquefied petroleum gas(LPG) sweetening process. Aggregation behavior of the five sulfonated metallophthalocyanines(MSPc, M=Fe,Co,Ni,Cu,Zn) in the same or different solvents was studied. The influencing factors of inactivation and the influence of aggregation behavior on activity of catalytic oxidation were investigated. The results show that the aggregation of sulfonated metallophthalocyanines is significantly affected by solvents. The aggregation aggravates with the increasing of polarity of the solvent and storage period. Besides, the aggregation of sulfonated metallophthalocyanines is also affected by central metals. The activity of CoSPc and CuSPc catalytic oxidation of thiol is markedly reduced nearly 20% because of the aggregation.

Key words: liquefied petroleum gas sweetening, sulfonated metallophthalocyanines, aggreation, catalytic oxidation desulfurization