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Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water

Authorized Users Only
2016
Authors
Lazarević-Pašti, Tamara
Pašti, Igor A.
Jokić, Bojan M.
Babić, Biljana M.
Vasić, Vesna M.
Article (Published version)
Metadata
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Abstract
Extensive use of organophosphate pesticides (OPs) invokes development of efficient procedures for their removal from the environment. By introducing low levels ( LT 1 at%) of B, N or P into the structure of mesoporous carbons, we have produced a series of materials with different surface chemical composition, textural properties and level of structural disorder. These adsorbents were applied for removal of dimethoate and its oxo-analogue omethoate from aqueous solutions under batch adsorption conditions and by filtration using modified nylon membrane filters. Adsorption capacities up to 164 mg g(-1) were measured, with OPs uptake typically above 80% for dimethoate concentration as high as 5 x 10(-3) mol dm(-3). After the adsorption, neurotoxic effects of OP-containing water samples were significantly reduced or completely removed. The level of structural disorder was identified as a key parameter for efficient removal of dimethoate and omethoate while in the filtration experiments surf...ace area of adsorbents also played an important role. While the presented research appeals to new fundamental studies of OP-carbon surface interactions, it also indicates a possible strategy in designing new efficient adsorbents for OPs removal from water.

Source:
RSC Advances, 2016, 6, 67, 62128-62139
Funding / projects:
  • Studies of enzyme interactions with toxic and pharmacologically active molecules (RS-172023)

DOI: 10.1039/c6ra06736k

ISSN: 2046-2069

WoS: 000379678200011

Scopus: 2-s2.0-84977610023
[ Google Scholar ]
26
18
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5828
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Lazarević-Pašti, Tamara
AU  - Pašti, Igor A.
AU  - Jokić, Bojan M.
AU  - Babić, Biljana M.
AU  - Vasić, Vesna M.
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5828
AB  - Extensive use of organophosphate pesticides (OPs) invokes development of efficient procedures for their removal from the environment. By introducing low levels ( LT 1 at%) of B, N or P into the structure of mesoporous carbons, we have produced a series of materials with different surface chemical composition, textural properties and level of structural disorder. These adsorbents were applied for removal of dimethoate and its oxo-analogue omethoate from aqueous solutions under batch adsorption conditions and by filtration using modified nylon membrane filters. Adsorption capacities up to 164 mg g(-1) were measured, with OPs uptake typically above 80% for dimethoate concentration as high as 5 x 10(-3) mol dm(-3). After the adsorption, neurotoxic effects of OP-containing water samples were significantly reduced or completely removed. The level of structural disorder was identified as a key parameter for efficient removal of dimethoate and omethoate while in the filtration experiments surface area of adsorbents also played an important role. While the presented research appeals to new fundamental studies of OP-carbon surface interactions, it also indicates a possible strategy in designing new efficient adsorbents for OPs removal from water.
T2  - RSC Advances
T1  - Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water
EP  - 62139
IS  - 67
SP  - 62128
VL  - 6
DO  - 10.1039/c6ra06736k
ER  - 
@article{
author = "Lazarević-Pašti, Tamara and Pašti, Igor A. and Jokić, Bojan M. and Babić, Biljana M. and Vasić, Vesna M.",
year = "2016",
abstract = "Extensive use of organophosphate pesticides (OPs) invokes development of efficient procedures for their removal from the environment. By introducing low levels ( LT 1 at%) of B, N or P into the structure of mesoporous carbons, we have produced a series of materials with different surface chemical composition, textural properties and level of structural disorder. These adsorbents were applied for removal of dimethoate and its oxo-analogue omethoate from aqueous solutions under batch adsorption conditions and by filtration using modified nylon membrane filters. Adsorption capacities up to 164 mg g(-1) were measured, with OPs uptake typically above 80% for dimethoate concentration as high as 5 x 10(-3) mol dm(-3). After the adsorption, neurotoxic effects of OP-containing water samples were significantly reduced or completely removed. The level of structural disorder was identified as a key parameter for efficient removal of dimethoate and omethoate while in the filtration experiments surface area of adsorbents also played an important role. While the presented research appeals to new fundamental studies of OP-carbon surface interactions, it also indicates a possible strategy in designing new efficient adsorbents for OPs removal from water.",
journal = "RSC Advances",
title = "Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water",
pages = "62139-62128",
number = "67",
volume = "6",
doi = "10.1039/c6ra06736k"
}
Lazarević-Pašti, T., Pašti, I. A., Jokić, B. M., Babić, B. M.,& Vasić, V. M.. (2016). Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water. in RSC Advances, 6(67), 62128-62139.
https://doi.org/10.1039/c6ra06736k
Lazarević-Pašti T, Pašti IA, Jokić BM, Babić BM, Vasić VM. Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water. in RSC Advances. 2016;6(67):62128-62139.
doi:10.1039/c6ra06736k .
Lazarević-Pašti, Tamara, Pašti, Igor A., Jokić, Bojan M., Babić, Biljana M., Vasić, Vesna M., "Heteroatom-doped mesoporous carbons as efficient adsorbents for removal of dimethoate and omethoate from water" in RSC Advances, 6, no. 67 (2016):62128-62139,
https://doi.org/10.1039/c6ra06736k . .

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