Fluorescent clays-Similar transfer with sensitive detection

Vitaly Gitis; Christina Dlugy; Gennady Ziskind; Sergey Sladkevich; Ovadia Lev

doi:10.1016/j.cej.2011.08.063

Fluorescent clays-Similar transfer with sensitive detection

Vitaly Gitis, Christina Dlugy, Gennady Ziskind, Sergey Sladkevich, Ovadia Lev

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The significant probe dilution is one of the reasons to use soluble dyes and concentrated ion solutions for studies of colloid transport in subsoils and aquifers. We studied the clay transport in sand columns with Rhodamine 6G-intercalated montmorillonite (MMT). Our MMT-R exhibited transfer properties similar to the non-dyed clays but was detectable starting from 1. ppb by fluorescence and only from 0.5. ppm by turbidity. More contaminated soil adsorbed the MMT-R better than the pure one and therefore the reduction of influent turbidity may have the unintended effect of decreasing soil adsorption capacity.

Original language	English
Pages (from-to)	482-488
Number of pages	7
Journal	Chemical Engineering Journal
Volume	174
Issue number	1
DOIs	https://doi.org/10.1016/j.cej.2011.08.063
State	Published - 15 Oct 2011

Keywords

MMT
Residence time distribution
Rhodamine 6G
Subsoil
Turbidity

ASJC Scopus subject areas

General Chemistry
Environmental Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.cej.2011.08.063

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title = "Fluorescent clays-Similar transfer with sensitive detection",

abstract = "The significant probe dilution is one of the reasons to use soluble dyes and concentrated ion solutions for studies of colloid transport in subsoils and aquifers. We studied the clay transport in sand columns with Rhodamine 6G-intercalated montmorillonite (MMT). Our MMT-R exhibited transfer properties similar to the non-dyed clays but was detectable starting from 1. ppb by fluorescence and only from 0.5. ppm by turbidity. More contaminated soil adsorbed the MMT-R better than the pure one and therefore the reduction of influent turbidity may have the unintended effect of decreasing soil adsorption capacity.",

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author = "Vitaly Gitis and Christina Dlugy and Gennady Ziskind and Sergey Sladkevich and Ovadia Lev",

note = "Funding Information: This research was supported by The Israel Science Foundation (grant no. 1184/06 ).",

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AU - Gitis, Vitaly

AU - Dlugy, Christina

AU - Ziskind, Gennady

AU - Sladkevich, Sergey

AU - Lev, Ovadia

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PY - 2011/10/15

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N2 - The significant probe dilution is one of the reasons to use soluble dyes and concentrated ion solutions for studies of colloid transport in subsoils and aquifers. We studied the clay transport in sand columns with Rhodamine 6G-intercalated montmorillonite (MMT). Our MMT-R exhibited transfer properties similar to the non-dyed clays but was detectable starting from 1. ppb by fluorescence and only from 0.5. ppm by turbidity. More contaminated soil adsorbed the MMT-R better than the pure one and therefore the reduction of influent turbidity may have the unintended effect of decreasing soil adsorption capacity.

AB - The significant probe dilution is one of the reasons to use soluble dyes and concentrated ion solutions for studies of colloid transport in subsoils and aquifers. We studied the clay transport in sand columns with Rhodamine 6G-intercalated montmorillonite (MMT). Our MMT-R exhibited transfer properties similar to the non-dyed clays but was detectable starting from 1. ppb by fluorescence and only from 0.5. ppm by turbidity. More contaminated soil adsorbed the MMT-R better than the pure one and therefore the reduction of influent turbidity may have the unintended effect of decreasing soil adsorption capacity.

KW - MMT

KW - Residence time distribution

KW - Rhodamine 6G

KW - Subsoil

KW - Turbidity

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Fluorescent clays-Similar transfer with sensitive detection

Abstract

Keywords

ASJC Scopus subject areas

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