Chapter 5 Whole-cell bio-processing of aromatic compounds in crude oil and fuels

Author(s):  
J.M. Foght
2020 ◽  
pp. 47-50
Author(s):  
T.S. Idrisov ◽  

The paper deals with the methods of preparation of crude oil samples and chromatographic analysis of petroleum hydrocarbons (alkanes, monoaromatic compounds, policyclic aromatic compounds), as well as the results of the analysis (chromatograms of the samples and concentrates of hydrocarbons). The analysis have been carried out on Shimadzu GC 2010-plus and PEGASUS 4D GCxGC TOF-MS chromatographs. In the analysis of alkanes, monoaromatic and policyclic aromatic compounds the column temperature comprised 60−330 оС, 40−120 оС and 70−300 оС correspondingly. Silicagel of 100−200 mehs size was used as a sorbent. Developed methods may be applied for the analytical purposes in petrochemistry and corresponding scientific research surveys as well.


2013 ◽  
Vol 47 (3) ◽  
pp. 1191-1200 ◽  
Author(s):  
Dayi Zhang ◽  
Aizhong Ding ◽  
Shuangchao Cui ◽  
Cheng Hu ◽  
Steven F. Thornton ◽  
...  

2017 ◽  
Vol 45 (2) ◽  
pp. 168-181 ◽  
Author(s):  
Chang-Young Hong ◽  
Seon-Hong Kim ◽  
Se-Yeong Park ◽  
June-Ho Choi ◽  
Seong-Min Cho ◽  
...  

1971 ◽  
Vol 1971 (1) ◽  
pp. 287-296 ◽  
Author(s):  
Howard Kator ◽  
C. H. Oppenheimer ◽  
R. J. Miget

ABSTRACT Petroleum utilizing microorganisms in flasks containing enriched seawater exhibited a clear metabolic preference for saturated paraffins in a Louisiana crude oil. The rates of oxidation of these compounds were directly proportional to incubation temperature and roughly doubled with a ten degree increase. A pattern of growth consisting of an initially large rate of saturated paraffin oxidation, followed by a decrease and another increase in rate was observed. The initially large rates were attributed to the metabolism of n-paraffins smaller than C-18. No even or odd chain length preference for n-paraffins was indicated. There was no evidence of utilization for aromatic compounds. Application of a microbial culture to an oil slick under simulated field conditions, clearly showed that microbes could accelerate the removal of a Louisiana crude oil from an oil slick on seawater. The rates of oil removal in outdoor, exposed conditions, were twice as large as the rates of evaporative oil loss. The microbes produced a significant change in oil “stickiness”. Measurements indicated the oil was dispersed through microbial activity. The cells preferentially remained at the oil-water interface during the experimental periods.


2020 ◽  
Vol 11 ◽  
pp. 100521
Author(s):  
Chong Yin ◽  
Lin Chen ◽  
Hua Qiu ◽  
Weiliang Xiong ◽  
Shuangjun Lin ◽  
...  

1975 ◽  
Vol 32 (10) ◽  
pp. 1864-1866 ◽  
Author(s):  
Roger D. Meyerhoff

As the biological effects of the volatile aromatic compounds in crude oil are not well documented a systematic examination of these compounds was initiated at the National Marine Fisheries Service at Tiburon. One of the major constituents of these aromatic compounds is benzene. The acute toxicity of benzene to 1.5 ± 0.5-g juvenile striped bass (Morone saxatilis) was studied in a continuous flow laboratory bioassay system. At 17.4 C and 29 ppt salinity, the lethal threshold concentration and the 96-h LC50 for benzene were 10.9 μl/liter. The 95% confidence interval was 10.9 ± 0.2 μl/liter and the probit line slope, "S," was 1.1.Possible toxic mechanisms are discussed.


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