Influence of biodegradation on carbazole and benzocarbazole distributions in oil columns from the Liaohe basin, NE China

Huang, Haiping; Bowler, Bernard; Zhang, Zhanwen; Oldenburg, Thomas B. P.; Larter, Stephen R.

doi:10.1016/s0146-6380(03)00033-0

Cited by 112 publications

(74 citation statements)

References 31 publications

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“…The relative abundance of carbazoles decrease more significantly than benzocarbazoles and dibenzocarbazoles with biodegradation in L-4 to L-7. Huang et al (2003) studied the susceptibility of carbazoles and benzocarbazoles of crude oils from the Liaohe Basin by GC-MS and reached similar conclusions. Huang et al (2003) further noted that the susceptibility of alkylated carbazoles to biodegradation decreases with increasing number of the alkyl substituents (Huang et al, 2003).…”

Section: Parametersmentioning

confidence: 59%

“…Three samples (L-2, L-3, L-4) are from the deeper Es3 column (1700-1850 m) and four samples (L-5, L-6, L-7, L-8) from the shallower Es1 column (1500-1650 m). These bitumens were generated from the same source rocks of similar maturity (Lu et al, 1990;Koopmans et al, 2002;Huang et al, 2003Huang et al, , 2004. Both columns exhibit a successive intensified biodegradation level toward the oil-water contact.…”

Section: Samples and Pretreatmentmentioning

confidence: 99%

“…The selective consumption of saturate and aromatic hydrocarbons during biodegradation is well documented (Connan, 1984;Hunt, 1995;Wenger et al, 2002;Peters et al, 2005). In general, normal alkanes are preferentially consumed, followed by branched alkanes, monocyclic paraffinic and monoaromatic hydrocarbons, multi-ring naphthenic and polynuclear aromatic hydrocarbons and finally non-hydrocarbons (Fedorak and Westlake, 1984a,b;Huang et al, 2003). Differences in the susceptibility of hydrocarbons to microbial alteration can also be observed within homologous series and even between isomers (Peters et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Distribution of acids and nitrogen-containing compounds in biodegraded oils of the Liaohe Basin by negative ion ESI FT-ICR MS

Liao

Shi

Hsu

et al. 2012

Organic Geochemistry

108

101

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Section: Parametersmentioning

confidence: 59%

Section: Samples and Pretreatmentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Distribution of acids and nitrogen-containing compounds in biodegraded oils of the Liaohe Basin by negative ion ESI FT-ICR MS

Liao

Shi

Hsu

et al. 2012

Organic Geochemistry

108

101

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“…This is usually accompanied by enrichment of N-H shielded isomers relative to N-H exposed isomers, higher to lower molecular weight homologues, alkylcarbazoles to alkylbenzocarbazoles, and benzo [c]carbazole to benzo [a]carbazole. Recent studies have shown that the distributions of carbazoles and benzocarbazoles in oils and rock extracts can also be influenced by source facies (Bakr and Wilkes, 2002;Bennett and Olsen, 2007), thermal maturity Clegg et al, 1997;Li et al, 1997;Clegg et al, 1998a;Clegg et al, 1998b;Horsfield et al, 1998;Zhang et al, 2011), biodegradation and water washing (Huang et al, 2003). The origin of carbazole and its derivatives/isomers still remains controversial (Synder, 1965;Li et al, 1995).…”

Section: Introductionmentioning

confidence: 99%

Occurrence and Distribution of Carbazoles and Benzocarbazoles in Tertiary Niger Delta Source Rocks

Faboya

Sonibare

Liao

et al. 2014

Petroleum Science and Technology

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The distributions of carbazoles and benzocarbazoles in source rocks from the Northern depobelt of the Tertiary Niger Delta, Nigeria, have been investigated by gas chromatography-mass spectrometry (GC-MS). Biomarker compositions of the source rocks indicate that the source rocks were formed from organic matter of mixed origin (terrestrial and marine) and are either immature or at early maturity stage. The carbazoles distributions in the source rocks are dominated by C 0 -C 2 -carbazoles and strong variation was observed in their distributions with increasing maturity. Among the C 1 -carbazoles, 1-methylcarbazole shows a decrease trend at the immature stage and an increase trend at higher maturity levels. 2-and 3-methylcarbazoles display an increasing trend with increasing maturity while 4-methylcarbazole exhibits a decreasing pattern with increasing maturity. Within the C 2 -carbazoles isomers, 1,8-and 2,7-dimethylcarbazoles, show an increasing trend with increasing maturity while the partially exposed isomers 1,3-and 1,6-dimethylcarbazoles decrease with increasing maturity. The ratio of benzo [a]carbazole/benzo[a]carbazole +benzo[c]carbazole varies significantly from 0.36 to 0.55 in the entire maturity range, indicating a strong maturity dependence. These results show that maturity will have great effect on the use of carbazoles and benzocarbazoles distributions as oil migration parameter in the Niger Delta.

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“…This is followed by sulpur-oxygen-and nitrogencontaining compounds (Wenger et al, 2001;Miller et al, 1987). Products of crude oil biodegradation include acyclic, and cyclic, saturated and aromatic carboxylic acids and phenols (Ian et al, 2003;Fedorak and Lake 1984;Huang et al, 2003). A complex variety of acidic non-hydrocarbons are also produced from biode-graded aromatic heterocyclics found in oil (Taylor et al, 1990;Mackenize et al, 1983;Thorn and Alken, 1998).…”

Section: Introductionmentioning

confidence: 99%

Biodegradation of hydrocarbon compounds in Agbabu natural bitumen

OlabemiwoOlabemiwo¹,

Adediran²,

Adekola³

et al. 2014

Afr. J. Biotechnol.

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The recovery of an environment polluted by petroleum and allied hydrocarbons through bioremediation is being embraced globally as the best technology of removing hydrocarbon pollutants from environment. Infrared spectral changes and gravimetric analysis from the preliminary biodegradability study carried out on Agbabu Natural Bitumen showed the vulnerability of the bitumen to some bacteria: Pseudomonas putrefaciens, Pseudomonas nigrificans, Bacillus licheniformis, Pseudomonas fragi and Achromobacter aerogenes. This study investigates the ability of P. putrefaciens, P. nigrificans, B. licheniformis, P. fragi and A. aerogenes to degrade the aliphatic and polycyclic aromatic hydrocarbon fractions of Agbabu natural bitumen. Samples of the bitumen were separately inoculated with each of the bacteria for 14 days and the hydrocarbon profiles before and after inoculation were quantified using gas chromatography technique. The total aliphatic hydrocarbon compounds (C 11 -C 29 ) in the bitumen degraded by P. putrefaciens and P. nigrificans was slightly higher than that in the undegraded bitumen, while the concentration of compounds (C 11 -C 29 ) found in samples of the bitumen degraded by B. licheniformis, P. fragi and A. aerogenes was less than what was contained in the undegraded bitumen. Also the even-odd carbon-ratios of the degraded bitumen were higher than unity while these were less than unity in the undegraded bitumen. The polycyclic aromatic hydrocarbons (PAHs) profile in the bitumen degraded samples also differed from that of undegraded bitumen. A substantial reduction in the concentration of some PAHs was found in the bitumen samples following their degradation by the bacteria strains, typically from 55.98 to 30.79%, thus suggesting the possibility of using the bacteria strains for bioremediation process.

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Influence of biodegradation on carbazole and benzocarbazole distributions in oil columns from the Liaohe basin, NE China

Cited by 112 publications

References 31 publications

Distribution of acids and nitrogen-containing compounds in biodegraded oils of the Liaohe Basin by negative ion ESI FT-ICR MS

Distribution of acids and nitrogen-containing compounds in biodegraded oils of the Liaohe Basin by negative ion ESI FT-ICR MS

Occurrence and Distribution of Carbazoles and Benzocarbazoles in Tertiary Niger Delta Source Rocks

Biodegradation of hydrocarbon compounds in Agbabu natural bitumen

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