Treatment of real oilfield produced water by liquid-liquid extraction and efficient phase separation in a mixer-settler based on phase inversion

Klemz, Ana Caroline; Damas, Mayra Stéphanie Pascoal; Weschenfelder, Silvio Edegar; González, Sergio Yesid Gómez; Pereira, Leonardo dos Santos; Costa, Byron Rosemberg dos Santos; Orlando, A. E.; Mazur, Luciana P.; Marinho, Belisa A.; Oliveira, Débora de; Silva, Adriano da; Valle, José Alexandre Borges; Souza, Antônio Augusto Ulson de; Souza, Selene M.A. Guelli U. de

doi:10.1016/j.cej.2020.127926

Cited by 18 publications

(3 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As a method of treating azeotropes, liquid-liquid extraction (LLE) has several applications in the separation of azeotropes 9,10 and treatment of sewage. 11,12 The required extraction conditions and separation costs were not strict. The solvent used as the extractant has a strong affinity for the extracted substances, whereas its affinity for water is negligible.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Experiment and microscopic analysis for the separation of isopropanol‐water using hydrophobic deep eutectic solvents

Ruan,

Wang,

et al. 2024

AIChE Journal

View full text Add to dashboard Cite

In this study, a method for separating isopropanol from wastewater using hydrophobic deep eutectic solvents (DESs) synthesized from terpenes and capric acid was proposed. The distribution coefficient and selectivity value of isopropanol (IPA) in the solvents were determined by liquid–liquid extraction experiments, and the extraction performances of the solvents at different molar ratios and temperatures were studied. From the perspective of molecular dynamics simulations, the experimental results were verified by mechanism analysis, the contribution of hydrogen bond donors (HBDs) and hydrogen bond acceptors (HBAs) to the selective separation of isopropanol was explained. The interaction energies, radial distribution functions, normal density distribution, and mean square deviations between the atoms were used to analyze the interactions between the components of the DESs and IPA/water. It was observed that the DESs have a good extraction effect on IPA, which verifies the good application prospects of DESs in wastewater solutions containing alcohol compounds.

show abstract

Section: Introductionmentioning

confidence: 99%

“…As a method of treating azeotropes, liquid–liquid extraction (LLE) has several applications in the separation of azeotropes 9,10 and treatment of sewage 11,12 . The required extraction conditions and separation costs were not strict.…”

Section: Introductionmentioning

confidence: 99%

Experiment and microscopic analysis for the separation of isopropanol‐water using hydrophobic deep eutectic solvents

Ruan,

Wang,

et al. 2024

AIChE Journal

View full text Add to dashboard Cite

show abstract

“…Based on their polarity, petroleum hydrocarbons in oily sludge can be classified as saturates, aromatics, resins (SAR), and asphaltene (Mrayyan and Battikhi 2005). Extraction using organic solvents is a widely-used method for the extraction of petroleum hydrocarbons from oil-bearing sludge (Klemz et al 2021). Organic solvents that are commonly employed for this purpose include naphtha, toluene, dimethyl ether, and chloroform.…”

Section: Introductionmentioning

confidence: 99%

Quantitative determination of petroleum hydrocarbons in oily sludge following efficient n-heptane separation

Zhang¹,

Ma²,

Qin³

et al. 2023

BioRes

View full text Add to dashboard Cite

Accurate analysis of the main chemical components of oil-bearing sludge is an important prerequisite for effective soil remediation and resource reuse. However, precise analysis of the extract components is difficult to achieve because of the mutual interference of saturates, aromatics, and resins, collectively called SAR, and asphaltene that are introduced during chloroform extraction. In this study, SAR was efficiently extracted using n-heptane, while asphaltene components were retained in soil because of their insolubility in n-heptane. The maximum yield of SAR extraction was 27.0%, indicating an increase of 1.75% compared to chloroform extraction. The extracted SAR components were separated by chromatography and the main structural units and components were analyzed. The results show that saturates, aromatics, and resins have a single component, a high content of major components, and contain fewer impurities using n-heptane extraction. Moreover, the solubility of asphaltene was inhibited during the effective extraction of SAR components with n-heptane and did not influence the subsequent analysis of SAR component. Efficient SAR extraction, accurate SAR component analysis, and high efficiency asphaltene separation was achieved using n-heptane-extraction-assisted pyrolysis. This provides a new method for the component analysis of oily sludge and promotes its efficient separation.

show abstract

Effect of C:N ratio on treatment of mixed industrial-domestic wastewater by microalgae-bacteria consortium

Li,

Guo,

et al. 2024

Biomass Conv. Bioref.

View full text Add to dashboard Cite

Treatment of real oilfield produced water by liquid-liquid extraction and efficient phase separation in a mixer-settler based on phase inversion

Cited by 18 publications

References 22 publications

Experiment and microscopic analysis for the separation of isopropanol‐water using hydrophobic deep eutectic solvents

Experiment and microscopic analysis for the separation of isopropanol‐water using hydrophobic deep eutectic solvents

Quantitative determination of petroleum hydrocarbons in oily sludge following efficient n-heptane separation

Effect of C:N ratio on treatment of mixed industrial-domestic wastewater by microalgae-bacteria consortium

Contact Info

Product

Resources

About