Synthesis and evaluation of some new demulsifiers based on bisphenols for treating water-in-crude oil emulsions
The present paper endeavors to synthesize nine types of demulsifiers based on bisphenols (bisphenol A (BA), bisphenol AC (BAC) and bisphenol CH (BCH)) having different ethylene oxide units (n = 27, 34, 45) namely; E (x + y) (where E represents BA, BCH or BAC and (x + y) which represents the ethylene...
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| Format: | Article |
| Language: | English |
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Egyptian Petroleum Research Institute
2011-06-01
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| Series: | Egyptian Journal of Petroleum |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1110062111000092 |
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| author | Ahmed M. Al-Sabagh Nadia G. Kandile Rasha A. El-Ghazawy Mahmoud R. Noor El-Din |
| author_facet | Ahmed M. Al-Sabagh Nadia G. Kandile Rasha A. El-Ghazawy Mahmoud R. Noor El-Din |
| author_sort | Ahmed M. Al-Sabagh |
| collection | DOAJ |
| description | The present paper endeavors to synthesize nine types of demulsifiers based on bisphenols (bisphenol A (BA), bisphenol AC (BAC) and bisphenol CH (BCH)) having different ethylene oxide units (n = 27, 34, 45) namely; E (x + y) (where E represents BA, BCH or BAC and (x + y) which represents the ethylene oxide units (27, 34, 45)). The chemical structures of the prepared demulsifier were elucidated using FT-IR and 1H NMR spectra. Effect of the chemical structure (hydrophobic and ethoxylated degree of hydrophilic parts) and the mechanism of demulsification process was investigated. The data were discussed on the light of the chemical structure of the demulsifiers and the factors, effecting the demulsification process. The efficiency of these demulsifiers was tested on water-in-oil emulsions (w/o) at different concentrations (100, 200 and 300 ppm), 7.4% asphaltene content and 30%, 50% and 70% water content. From the obtained data the best demulsifier was E(34)BA which shows 100% demulsification after 58 min at 30% water content and 300 ppm of the demulsifier. |
| format | Article |
| id | doaj-art-d2f937d3754f404eaad98cdaccfd4b9d |
| institution | OA Journals |
| issn | 1110-0621 |
| language | English |
| publishDate | 2011-06-01 |
| publisher | Egyptian Petroleum Research Institute |
| record_format | Article |
| series | Egyptian Journal of Petroleum |
| spelling | doaj-art-d2f937d3754f404eaad98cdaccfd4b9d2025-08-20T02:04:23ZengEgyptian Petroleum Research InstituteEgyptian Journal of Petroleum1110-06212011-06-01202677710.1016/j.ejpe.2011.06.008Synthesis and evaluation of some new demulsifiers based on bisphenols for treating water-in-crude oil emulsionsAhmed M. Al-Sabagh0Nadia G. Kandile1Rasha A. El-Ghazawy2Mahmoud R. Noor El-Din3Egyptian Petroleum Research Institute, Nasr City, Cairo 11727, EgyptChemistry Department, Faculty of Women, Ain Shams University, Heliopolis, Cairo 11757, EgyptEgyptian Petroleum Research Institute, Nasr City, Cairo 11727, EgyptEgyptian Petroleum Research Institute, Nasr City, Cairo 11727, EgyptThe present paper endeavors to synthesize nine types of demulsifiers based on bisphenols (bisphenol A (BA), bisphenol AC (BAC) and bisphenol CH (BCH)) having different ethylene oxide units (n = 27, 34, 45) namely; E (x + y) (where E represents BA, BCH or BAC and (x + y) which represents the ethylene oxide units (27, 34, 45)). The chemical structures of the prepared demulsifier were elucidated using FT-IR and 1H NMR spectra. Effect of the chemical structure (hydrophobic and ethoxylated degree of hydrophilic parts) and the mechanism of demulsification process was investigated. The data were discussed on the light of the chemical structure of the demulsifiers and the factors, effecting the demulsification process. The efficiency of these demulsifiers was tested on water-in-oil emulsions (w/o) at different concentrations (100, 200 and 300 ppm), 7.4% asphaltene content and 30%, 50% and 70% water content. From the obtained data the best demulsifier was E(34)BA which shows 100% demulsification after 58 min at 30% water content and 300 ppm of the demulsifier.http://www.sciencedirect.com/science/article/pii/S1110062111000092Crude oil emulsionsDemulsifiersMechanism of demulsification process |
| spellingShingle | Ahmed M. Al-Sabagh Nadia G. Kandile Rasha A. El-Ghazawy Mahmoud R. Noor El-Din Synthesis and evaluation of some new demulsifiers based on bisphenols for treating water-in-crude oil emulsions Egyptian Journal of Petroleum Crude oil emulsions Demulsifiers Mechanism of demulsification process |
| title | Synthesis and evaluation of some new demulsifiers based on bisphenols for treating water-in-crude oil emulsions |
| title_full | Synthesis and evaluation of some new demulsifiers based on bisphenols for treating water-in-crude oil emulsions |
| title_fullStr | Synthesis and evaluation of some new demulsifiers based on bisphenols for treating water-in-crude oil emulsions |
| title_full_unstemmed | Synthesis and evaluation of some new demulsifiers based on bisphenols for treating water-in-crude oil emulsions |
| title_short | Synthesis and evaluation of some new demulsifiers based on bisphenols for treating water-in-crude oil emulsions |
| title_sort | synthesis and evaluation of some new demulsifiers based on bisphenols for treating water in crude oil emulsions |
| topic | Crude oil emulsions Demulsifiers Mechanism of demulsification process |
| url | http://www.sciencedirect.com/science/article/pii/S1110062111000092 |
| work_keys_str_mv | AT ahmedmalsabagh synthesisandevaluationofsomenewdemulsifiersbasedonbisphenolsfortreatingwaterincrudeoilemulsions AT nadiagkandile synthesisandevaluationofsomenewdemulsifiersbasedonbisphenolsfortreatingwaterincrudeoilemulsions AT rashaaelghazawy synthesisandevaluationofsomenewdemulsifiersbasedonbisphenolsfortreatingwaterincrudeoilemulsions AT mahmoudrnooreldin synthesisandevaluationofsomenewdemulsifiersbasedonbisphenolsfortreatingwaterincrudeoilemulsions |