Adsorption of the disinfectant benzalkonium chloride on montmorillonite. Synergistic effect in mixture of molecules with different chain lengths

Zanini, Graciela Pilar; Ovesen, Rikke Gleerup; Hansen, Holger Bernt; Strobel, Bjarne W.

doi:10.1016/j.jenvman.2013.04.056

Cited by 27 publications

(27 citation statements)

References 35 publications

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“…In a study on BAC-C12 and BAC-C14 sorption to montmorillonite, Zanini et al (2013) confirmed suggestions from Chen et al (2013) for sorption to humic acid with small QAAC concentrations stating that cation exchange is the main adsorption mechanism with very similar binding constants for both surfactants. At elevated concentrations they noted a sharp increase of sorption past an infliction point (S-shaped isotherm), and they attributed this finding mainly to interactions between BAC surfactant molecules.…”

Section: Qaac Sorption and Sequestration In Soilsupporting

confidence: 63%

“…The application of the classical Langmuir equation in this case, spanning a QAAC concentration range of several orders of magnitude (1 nM to 10 mM), would not be possible, as only one step would be predicted. Therefore, Zanini et al (2013) employed a Langmuir isotherm with two terms. The second log K L values were clearly larger for BAC-C14 than for BAC-C12, -0.46 and 1.32, respectively.…”

Section: Qaac Sorption and Sequestration In Soilmentioning

confidence: 99%

“…This increase of sorption at elevated concentrations was more intense for BAC-C14 than for BAC-C12 as expected from the increasing alkyl chain length. Zanini et al (2013) calculated that in natural systems and for small BAC input concentrations of \ 0.7 mg L -1 , such as those expected under most conditions in soils, silicate clays are major sorbents for BAC, while binding to SOM is more relevant at larger QAAC concentrations. According to Zanini et al (2013), it is unlikely that iron oxides play a major role for QAAC binding in soils.…”

Section: Qaac Sorption and Sequestration In Soilmentioning

confidence: 99%

“…In sorption studies with ATMAC-C12, Xiang et al (2016) confirmed an increased sorption for this compound with increasing soil clay and potassium content. Zanini et al (2013) and Xu and Boyd (1995) investigated the movement of BAC and ATMAC-C16 into the interlayers of montmorillonite using x-ray diffraction. An interlayer expansion from 1.2 nm to 1.8 nm was determined, while the largest expansion was measured when the saturation of the clay's cation exchange capacity of 0.764 mmol g -1 was reached or surpassed.…”

Section: Qaac Sorption and Sequestration In Soilmentioning

confidence: 99%

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Quaternary ammonium compounds in soil: implications for antibiotic resistance development

Mulder

Siemens

Sentek

et al. 2017

Rev Environ Sci Biotechnol

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Quaternary ammonium compounds (QACs) are surface-active, antimicrobial, high production volume (HPV) chemicals with a broad application in agriculture. This review provides a comprehensive overview of (1) predicted and measured concentrations of QACs in soils including their analysis, (2) sequestration mechanisms in soils based on their physicochemical properties and chemical structure, and (3) implications of concentrations and fate of QACs in soils for the proliferation of antibiotic resistance in the environment. Predicted environmental concentrations (PEC) for QACs that are applied to soils with manure are in the order of 3.5 mg kg -1 . Based on literature data, the median PEC of QAC in sewage sludge amended soils is 25 lg kg -1 . The positively charged QACs are mainly sorbed to clay minerals. We propose that QACs might be sequestered in the interlayer regions of layered silicates in clayrich soils, reducing their acute toxicity, while increasing their persistence. The release of sequestered QACs from soil can still potentially maintain concentration levels that are sufficient to develop antibiotic resistance in the environment.

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Section: Qaac Sorption and Sequestration In Soilsupporting

confidence: 63%

Section: Qaac Sorption and Sequestration In Soilmentioning

confidence: 99%

Section: Qaac Sorption and Sequestration In Soilmentioning

confidence: 99%

Section: Qaac Sorption and Sequestration In Soilmentioning

confidence: 99%

See 2 more Smart Citations

Quaternary ammonium compounds in soil: implications for antibiotic resistance development

Mulder

Siemens

Sentek

et al. 2017

Rev Environ Sci Biotechnol

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“…The effect of common competitive anions (chloride, nitrate or sulfate) on perchlorate adsorption was studied with the initial co-existing anions concentration as 50 times high as perchlorate (1.0 mmol/L). as the intercalation of organic surfactants into the MMT interlayer space [26]. As shown in Fig.…”

Section: Adsorption Experimentsmentioning

confidence: 98%

Surfactant-modified montmorillonite by benzyloctadecyldimethylammonium chloride for removal of perchlorate

Luo

Sasaki

Hirajima

2015

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Improved creep performance of melt‐extruded polycaprolactone/organo‐bentonite nanocomposites

Ollier

Casado

Nicolini

et al. 2021

J of Applied Polymer Sci

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In this work, biodegradable nanocomposites based on polycaprolactone reinforced with pristine and organo‐modified bentonites are prepared by melt extrusion. Bentonite is exchanged with benzalkonium chloride (CBK) in a pilot plant scale reactor. The influence of clay type and loading on morphology, rheology, mechanical properties, and creep performance of the resulting materials is analyzed. Besides, several theoretical models then applied to experimental creep data and master curves are used to relate time and temperature with the compliance of the materials. The morphology characterization of the nanocomposites show that the organo‐modification of the clay greatly improves its dispersion in the polymer matrix. As a consequence, it is demonstrated that reinforcement of PCL with 3 wt% loading of organoclay produces the strongest improvement in creep resistance. The instantaneous creep strain and the experimental creep rate decrease more than 9% and 27%, respectively, in the range of temperatures analyzed. Moreover, the experimental values are used to adequately fit theoretical creep models for different clay loadings. On the other hand, the material with optimal creep behavior also shows the greatest improvements in tensile mechanical properties.

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Adsorption of the disinfectant benzalkonium chloride on montmorillonite. Synergistic effect in mixture of molecules with different chain lengths

Cited by 27 publications

References 35 publications

Quaternary ammonium compounds in soil: implications for antibiotic resistance development

Quaternary ammonium compounds in soil: implications for antibiotic resistance development

Surfactant-modified montmorillonite by benzyloctadecyldimethylammonium chloride for removal of perchlorate

Improved creep performance of melt‐extruded polycaprolactone/organo‐bentonite nanocomposites

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