Liquid-phase membrane extraction of targeted pesticides from manufacturing wastewaters in a hollow fibre contactor with feed-stream recycle
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A two-phase membrane extraction in a hollow fibre contactor with feed-stream recycle was applied to remove selected pesticides (tebufenozide, linuron, imidacloprid, acetamiprid and dimethoate) from their mixed aqueous solutions. The contactor consisted of 50 polypropylene hollow fibres impregnated with 5% tri-n-octylphosphine oxide in di-n-hexyl ether. For low-polar pesticides with log P2 (tebufenozide and linuron), the maximum removal efficiency increased linearly from 85% to 96% with increasing the feed flow rate. The maximum removal efficiencies of more polar pesticides were significantly higher under feed recirculation (86%) than in a continuous single-pass operation (30%). It was found from the Wilsons plot that the mass transfer resistance of the liquid membrane can be neglected for low-polar pesticides. The pesticide removals from commercial formulations were similar to those from pure pesticide solutions, indicating that built-in adjuvants did not affect the extraction process.
Кључне речи:
Hollow fibre membrane contactor / liquid membrane / mass transfer resistance / pesticides / wastewaterИзвор:
Environmental Technology, 2017, 38, 1, 78-84Финансирање / пројекти:
- Физика и хемија са јонским сноповима (RS-45006)
DOI: 10.1080/09593330.2016.1186747
ISSN: 0959-3330; 1479-487X
PubMed: 27156531
WoS: 000388612300008
Scopus: 2-s2.0-84973124538
Колекције
Институција/група
VinčaTY - JOUR AU - Đorđević, Jelena S. AU - Vladisavljević, Goran T. AU - Trtić-Petrović, Tatjana M. PY - 2017 UR - https://vinar.vin.bg.ac.rs/handle/123456789/1318 AB - A two-phase membrane extraction in a hollow fibre contactor with feed-stream recycle was applied to remove selected pesticides (tebufenozide, linuron, imidacloprid, acetamiprid and dimethoate) from their mixed aqueous solutions. The contactor consisted of 50 polypropylene hollow fibres impregnated with 5% tri-n-octylphosphine oxide in di-n-hexyl ether. For low-polar pesticides with log P2 (tebufenozide and linuron), the maximum removal efficiency increased linearly from 85% to 96% with increasing the feed flow rate. The maximum removal efficiencies of more polar pesticides were significantly higher under feed recirculation (86%) than in a continuous single-pass operation (30%). It was found from the Wilsons plot that the mass transfer resistance of the liquid membrane can be neglected for low-polar pesticides. The pesticide removals from commercial formulations were similar to those from pure pesticide solutions, indicating that built-in adjuvants did not affect the extraction process. T2 - Environmental Technology T1 - Liquid-phase membrane extraction of targeted pesticides from manufacturing wastewaters in a hollow fibre contactor with feed-stream recycle VL - 38 IS - 1 SP - 78 EP - 84 DO - 10.1080/09593330.2016.1186747 ER -
@article{ author = "Đorđević, Jelena S. and Vladisavljević, Goran T. and Trtić-Petrović, Tatjana M.", year = "2017", abstract = "A two-phase membrane extraction in a hollow fibre contactor with feed-stream recycle was applied to remove selected pesticides (tebufenozide, linuron, imidacloprid, acetamiprid and dimethoate) from their mixed aqueous solutions. The contactor consisted of 50 polypropylene hollow fibres impregnated with 5% tri-n-octylphosphine oxide in di-n-hexyl ether. For low-polar pesticides with log P2 (tebufenozide and linuron), the maximum removal efficiency increased linearly from 85% to 96% with increasing the feed flow rate. The maximum removal efficiencies of more polar pesticides were significantly higher under feed recirculation (86%) than in a continuous single-pass operation (30%). It was found from the Wilsons plot that the mass transfer resistance of the liquid membrane can be neglected for low-polar pesticides. The pesticide removals from commercial formulations were similar to those from pure pesticide solutions, indicating that built-in adjuvants did not affect the extraction process.", journal = "Environmental Technology", title = "Liquid-phase membrane extraction of targeted pesticides from manufacturing wastewaters in a hollow fibre contactor with feed-stream recycle", volume = "38", number = "1", pages = "78-84", doi = "10.1080/09593330.2016.1186747" }
Đorđević, J. S., Vladisavljević, G. T.,& Trtić-Petrović, T. M.. (2017). Liquid-phase membrane extraction of targeted pesticides from manufacturing wastewaters in a hollow fibre contactor with feed-stream recycle. in Environmental Technology, 38(1), 78-84. https://doi.org/10.1080/09593330.2016.1186747
Đorđević JS, Vladisavljević GT, Trtić-Petrović TM. Liquid-phase membrane extraction of targeted pesticides from manufacturing wastewaters in a hollow fibre contactor with feed-stream recycle. in Environmental Technology. 2017;38(1):78-84. doi:10.1080/09593330.2016.1186747 .
Đorđević, Jelena S., Vladisavljević, Goran T., Trtić-Petrović, Tatjana M., "Liquid-phase membrane extraction of targeted pesticides from manufacturing wastewaters in a hollow fibre contactor with feed-stream recycle" in Environmental Technology, 38, no. 1 (2017):78-84, https://doi.org/10.1080/09593330.2016.1186747 . .