Chemical analysis of Agbabu Bitumen Exudate as potential refinery feedstock

British Journal of Applied Science and Technology Pub Date : 2011-03-25 DOI:10.4314/JAST.V16I1-2.64785

H. Ogunsuyi, O. Ajayi, T. Abayomi

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引用次数: 1

Abstract

Maltene fractions of Agbabu bitumen exudate analysed by Gas Chromatography-Mass Spectrometery revealed that the chemical compositions were similar to compounds of conventional petroleum. Specifically, saturated hydrocarbons (alkanes), alicyclic hydrocarbon (cycloparaffin), unsaturated hydrocarbons (alkenes), aromatic hy-drocarbons and nitrogen, sulphur and oxygen (NSO) compounds, which are the notable constituents of petrole-um, were all identified in the exudate. The proportions of the constituents in the bitumen were 44.59 % cyclop-araffin, 28.61 % alkanes, 3.47 % monoaromatic hydrocarbons, 6.44 % alkenes, 3.23 % nitrogen compounds, 1.95 % sulphur compounds and 4.27 % oxygen compounds. The composition compared favourably to the resp-ective percent ranges in conventional crude oil, i.e. normal alkanes (15 - 60 %), cycloparaffins (30 - 60 %), aro-matics (3 - 30 %), nitrogen (1 - 2 %), oxygen (0.1 - 1.5 %), sulphur (0.2 - 0.5 %). However, the percentage co-mposition of the NSO compounds was higher than found in conventional petroleum. To serve as refinery feed-stock, the exudate must be subjected to hydrogenation to remove the polar (NSO) compounds.

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阿巴布沥青渗出液作为潜在炼油原料的化学分析

用气相色谱-质谱联用分析了阿格巴布沥青渗出液的马尔滕烯组分，发现其化学成分与常规石油的化合物相似。其中，饱和烃(烷烃)、脂环烃(环石蜡)、不饱和烃(烯烃)、芳烃和氮、硫、氧(NSO)化合物是石油的主要成分。沥青中环烷烃占44.59%，烷烃占28.61%，单芳烃占3.47%，烯烃占6.44%，氮化合物占3.23%，硫化合物占1.95%，氧化合物占4.27%。其组成优于常规原油中相应的百分比范围，即正构烷烃(15 - 60%)、环石蜡(30 - 60%)、芳烃(3 - 30%)、氮(1 - 2%)、氧(0.1 - 1.5%)、硫(0.2 - 0.5%)。然而，NSO化合物的共组成百分比高于常规石油。作为炼油厂的原料，渗出物必须经过加氢去除极性(NSO)化合物。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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British Journal of Applied Science and Technology

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