Environmental strategies to remove volatile aromatic fractions (BTEX) from petroleum industry wastewater using biomass

Costa, Andréa Santos da; Romão, Luciane Pimenta Cruz; Araújo, Bruno Rafael; Lucas, Simone C.O.; Maciel, Samia Tássia Andrade; Wisniewski, Alberto; Alexandre, Marcelo R.

doi:10.1016/j.biortech.2011.11.096

Cited by 154 publications

(76 citation statements)

References 23 publications

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“…Thus, hydrocarbon waste impacts phytoplankton communities, causing a fundamental breakdown of the food chain [42,43]. The potential threat to human health posed by hydrocarbons is linked to the physical and chemical properties of these compounds, which are absorbed by the skin and quickly spread through the organism if ingested or inhaled [44,45]. …”

Section: Environmental Contamination By Oil Spills and Biosurfactamentioning

confidence: 99%

Applications of Biosurfactants in the Petroleum Industry and the Remediation of Oil Spills

Silva

Almeida

Rufino

et al. 2014

IJMS

344

170

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Petroleum hydrocarbons are important energy resources. However, petroleum is also a major pollutant of the environment. Contamination by oil and oil products has caused serious harm, and increasing attention has been paid to the development and implementation of innovative technologies for the removal of these contaminants. Biosurfactants have been extensively used in the remediation of water and soil, as well as in the main stages of the oil production chain, such as extraction, transportation, and storage. This diversity of applications is mainly due to advantages such as biodegradability, low toxicity and better functionality under extreme conditions in comparison to synthetic counterparts. Moreover, biosurfactants can be obtained with the use of agro-industrial waste as substrate, which helps reduce overall production costs. The present review describes the potential applications of biosurfactants in the oil industry and the remediation of environmental pollution caused by oil spills.

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Section: Environmental Contamination By Oil Spills and Biosurfactamentioning

confidence: 99%

Applications of Biosurfactants in the Petroleum Industry and the Remediation of Oil Spills

Silva

Almeida

Rufino

et al. 2014

IJMS

344

170

View full text Add to dashboard Cite

show abstract

“…BTEX compounds are frequently found as the major organic pollutants in petrochemical, coking, and other indusial wastewater due to the application of petroleum and its products in industrial processes [5]. BTEX compounds are known to possess toxic to humans and are confirmed or suspected carcinogens.…”

Section: Introductionmentioning

confidence: 99%

Biodegradation of Benzene, Toluene, Ethylbenzene, and o-, m-, and p-Xylenes by the Newly Isolated Bacterium Comamonas sp. JB

Jiang

Zhou

Dong

et al. 2015

Appl Biochem Biotechnol

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A bacterium designated strain JB, able to degrade six benzene, toluene, ethylbenzene, and o-, m-, and p-xylene (BTEX) compounds, was isolated from petroleum-contaminated soil. Taxonomic analyses showed that the isolate belonged to Comamonas, and until now, the genus Comamonas has not included any known BTEX degraders. The BTEX biodegradation rate was slightly low on the mineral salt medium (MSM), but adding a small amount of yeast extract greatly enhanced the biodegradation. The relationship between specific degradation rate and individual BTEX was described well by Michaelis-Menten kinetics. The treatment of petrochemical wastewater containing BTEX mixture and phenol was shown to be highly efficient by BTEX-grown JB. In addition, toxicity assessment indicated the treatment of the petrochemical wastewater by BTEX-grown JB led to less toxicity than untreated wastewater.

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“…Accordingly, Asimiea and Sam-Wobo (2011) observed a strong impact of such compounds on phytoplankton communities, which suffered structural changes. The potential threat of hydrocarbons to human health is linked to both their physical and chemical properties, which allow them to be absorbed by the skin and quickly spread throughout the organism (Costa et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Influence of toluene and salinity on biosurfactant production by Bacillus sp.: scale up from flasks to a bench-scale bioreactor

Souza

Vessoni-Penna

Arni³

et al. 2017

Braz. J. Chem. Eng.

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-To select the best biosurfactant producer, Pseudomonas putida, Bacillus megatherium, Bacillus licheniformis and Bacillus subtilis were cultured in flasks on media with different salinity [low salinity (LS), Bushnell-Haas (BH) and artificial sea water (SW) media] supplemented or not with toluene as a model pollutant. Toluene inhibited the growth of all microorganisms and stimulated the biosurfactant production. B. subtilis exhibited the best performance, being able to lower the surface tension (ST) in the LS medium to 65.5 mN/min in the absence of toluene, and to 46.5 mN/min in the BH medium in the presence of toluene, corresponding to ST reductions of 13.0 and 27.5 mN/m, respectively. Scaling up the process to a bench-scale fermentor, the best results were obtained in the LS medium, where B. subtilis was able to reduce the toluene concentration from 26.0 to 4.3 g/L within 12 h and ST by 17.2 mN/m within 18 h. The results of this study point out that B. subtilis is an interesting biosurfactant producer, which could be used in the bioremediation of toluene-contaminated water.

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Environmental strategies to remove volatile aromatic fractions (BTEX) from petroleum industry wastewater using biomass

Cited by 154 publications

References 23 publications

Applications of Biosurfactants in the Petroleum Industry and the Remediation of Oil Spills

Applications of Biosurfactants in the Petroleum Industry and the Remediation of Oil Spills

Biodegradation of Benzene, Toluene, Ethylbenzene, and o-, m-, and p-Xylenes by the Newly Isolated Bacterium Comamonas sp. JB

Influence of toluene and salinity on biosurfactant production by Bacillus sp.: scale up from flasks to a bench-scale bioreactor

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