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杜氏藻热解产物中咔唑类化合物的检出及其地质意义
引用本文:杨淑芬,王金荣,雷天柱,邱军利,夏燕青.杜氏藻热解产物中咔唑类化合物的检出及其地质意义[J].沉积学报,2010,28(1):188-193.
作者姓名:杨淑芬  王金荣  雷天柱  邱军利  夏燕青
作者单位:兰州大学资源环境学院,兰州,730000;中国科学院油气资源研究中心,油气资源研究重点实验室,兰州,730000
摘    要:通过对盐生杜氏藻的热模拟成烃研究,发现其热解产物中含有丰富的咔唑系列化合物,它包括咔唑(CZ)、甲基咔唑(M CZ)、二甲基咔唑(DM CZ)、三甲基咔唑(TM CZ)、四甲基咔唑(TeM CZ)、五甲基咔唑(PM CZ)和六甲基咔唑(HM CZ)。并且在300℃热模拟产物中咔唑系列化合物含量较高,在芳烃馏分中相对含量为30.97%,350℃时产出较低,为15.44%,而250℃时未检出此类化合物。这一方面表明嗜盐杜氏藻很可能是原油和烃源岩中咔唑类化合物的主要母源之一,另一方面表明高盐环境下这种以杜氏藻为主要生烃母质的原油可能富集咔唑类化合物,这为该环境下油源对比提供了有力依据。

关 键 词:杜氏藻  咔唑类化合物  高盐环境  油源对比
收稿时间:1900-01-01

Detection and Geological Significance of Carbazole Compounds in the Pyrolysis Product of Dunaliella Salina
YANG Shufen,WANG Jin-rong,LEI Tian-zhu,QIU Jun-li,XIA Yan-qing.Detection and Geological Significance of Carbazole Compounds in the Pyrolysis Product of Dunaliella Salina[J].Acta Sedimentologica Sinica,2010,28(1):188-193.
Authors:YANG Shufen  WANG Jin-rong  LEI Tian-zhu  QIU Jun-li  XIA Yan-qing
Institution:College of Earth and Environmental Science, Lanzhou University, Lanzhou 730000
Abstract:It is discovered that series of carbazole compounds, including carbazole, 1-methylcarbazole, 2-methylcar-bazole, 3-methylcarbazole, 4-methylcarbazole, 5-methylcarbazole, 6-methylcarbazole, which are affluent in the pyrol-ysis product of Dunaliella Salina. The relative content of the series of carbazole compounds in the aromatic hydrocar-bon fraction mounts to 30.97% at 300℃ ,while it is only 15.44% at 350℃, and it rarely occured at 250℃. On one hand, it indicates that Dunaliella Salina is one of the primary parent materials of carbazole compounds in source rock and crude oil; On the other hand, it suggests that the crude oil derived from Dunaliella Salina is probably rich in carbazole compounds under a highly-rich salt environment, which provides strong evidence to contrast crude oil with original source rock in this environment.
Keywords:Dunaliella Salina  carbazole compounds  highly-rich salt environment  oil-source rock correlation
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