Chemical composition of natural waters and brines as a result of hydrogeochemical processes in water-rock-gas systems

Ryzhenko, B. N.; Cherkasova, E. V.

doi:10.1134/s0016702912130058

Cited by 16 publications

(5 citation statements)

References 7 publications

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“…The knowledge of hydrochemistry is essential to determine the origin of chemical composition of groundwater (Zaporozec 1972). Importance of hydrochemistry of groundwater has led to a number of detailed studies on groundwater quality deterioration and geochemical evolution of groundwater in many parts of the globe (Anku et al 2009;Carol et al 2011;Engle and Rowan 2012;Gupta et al 2008;Hofmann and Cartwright 2013;Irfan and Said 2008;Jalali 2006Jalali , 2007Jayasena et al 2008;Kannan and Sabu 2009;Kumar et al 2009;Prasanna et al 2011;Ryzhenko and Cherkasova 2012;Srinivasamoorthy et al 2010Srinivasamoorthy et al , 2014Tyagi et al 2009;Vasanthavigar et al 2012;Whitfield et al 2006;Zhang et al 2011;Zhu et al 2008). …”

Section: Introductionmentioning

confidence: 98%

Chemical composition of groundwater and brines as a result of hydrogeochemical processes in arid zones: an example from Albaji plain, Khuzestan, Iran

Rouhi

Kalantari

2015

Arab J Geosci

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Albaji plain is located in the southwestern of Iran, containing groundwater with different chemical characteristics at various points. An understanding of the chemical origin of the groundwater provides insight into the interaction of water with the environment and contributes to a better resource management. To achieve this, 36 samples were collected from groundwater and river from northern part of the plain. The total dissolved solids (TDS), pH, water temperature, and electric conductivity (EC) were measured in the field by a portable multi-parameter analyzer. Major cations and anions were measured by using ion-chromatograph and titration with HCl. Resulted data was used to determine hydrochemical processes that occur in the aquifer media and ion context of waters using piper and combination diagrams, ion exchanges, and saturation indexes. Factor analysis as a statistical method was used to compare and verify the results. Results show that the Karkheh river has a positive impact on the quality of groundwater in the northern part of the aquifer. However, groundwater quality is brackish to high saline, and chemical composition of all samples highly depends on sodium and chloride. The ions in the groundwater are concluded to be mainly from dissolving evaporates, consistent with the dry climate in the region, whereas the ions in the river are mainly from rock weathering. Furthermore, other parameters such as rock-water interaction, mixing, irrigation water, sedimentation basin condition, and hydrogeochemical processes such as dissolution-crystallization and ion exchange are controlling the groundwater chemistry.

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Section: Introductionmentioning

confidence: 98%

Chemical composition of groundwater and brines as a result of hydrogeochemical processes in arid zones: an example from Albaji plain, Khuzestan, Iran

Rouhi

Kalantari

2015

Arab J Geosci

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“…41 This complex formation is largely driven by hydrophobic binding, which is known to depend heavily on salt concentration. 42,43 Preliminary experiments using a phosphate buffer without saline (but under otherwise identical conditions) indicated that substantially more analyte was extracted into γ-cyclodextrin dissolved in phosphate buffer (saline-free) compared to γ-cyclodextrin dissolved in sea water (for example, the analyte comparison for pyrene is 0.34 in seawater compared to 0.75 in phosphate buffer).…”

Section: Resultsmentioning

confidence: 99%

Cyclodextrin-Enhanced Extraction and Energy Transfer of Carcinogens in Complex Oil Environments

Serio

Chanthalyma

Prignano

et al. 2013

ACS Appl. Mater. Interfaces

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Reported herein is the use of γ-cyclodextrin for two tandem functions: (a) the extraction of carcinogenic polycyclic aromatic hydrocarbons (PAHs) from oil samples into aqueous solution, and (b) the promotion of highly efficient energy transfer from the newly extracted PAHs to a high-quantum yield fluorophore. The extraction proceeded in moderate to good efficiencies, and the resulting cyclodextrin-promoted energy transfer lead to a new, brightly fluorescent signal in the aqueous solution. The resulting dual-function system (extraction followed by energy transfer) has significant relevance in the environmental detection and cleanup of oil spill-related carcinogens.2 Introduction:

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“…The NaCl and MgSO 4 solutions were prepared with sodium chloride and magnesium sulfate heptahydrate powder both from Merck, with a purity ≥99.5%. The two different salts were chosen based on their abundance on Earth, , where the composition of natural waters is mainly controlled by hydrogeochemical processes, and predictions of their importance as constituents of fluids in asteroids . In addition, these salts are expected to have different solvation and water structuring properties. − The fluoranthene crystals used for the experiments are monoclinic with a columnar habit exhibiting large flat faces observable using a standard 10× magnification optical lens.…”

Section: Experimental Methodsmentioning

confidence: 99%

In Situ Nanoscale Investigation of Step Retreat on Fluoranthene Crystal Surfaces

Giese

Ende

et al. 2018

ACS Earth Space Chem.

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Fluoranthene, a polycyclic aromatic hydrocarbon, has been detected on Earth as well as in asteroids and meteorites and may have played a role in the formation of life. Increasing the ionic strength of aqueous solutions has been observed to lower the fluoranthene solubility, but it is unclear how solution composition controls the release rate of fluoranthene to an aqueous solution. To elucidate this, we performed in situ atomic force microscopy experiments in which we characterized the sublimation and dissolution behavior of fluoranthene crystal surfaces. From this, we quantify the step retreat rate upon exposure to air, deionized water, and a 0.4 M NaCl or 0.1 M MgSO4 solution. Surface roughness is the main factor that determines the dissolution or sublimation rate. The results imply that during fluoranthene remediation or breakdown in meteorites and asteroids, ionic strength will be more important than chemical composition for controlling fluoranthene release into solution.

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Chemical composition of natural waters and brines as a result of hydrogeochemical processes in water-rock-gas systems

Cited by 16 publications

References 7 publications

Chemical composition of groundwater and brines as a result of hydrogeochemical processes in arid zones: an example from Albaji plain, Khuzestan, Iran

Chemical composition of groundwater and brines as a result of hydrogeochemical processes in arid zones: an example from Albaji plain, Khuzestan, Iran

Cyclodextrin-Enhanced Extraction and Energy Transfer of Carcinogens in Complex Oil Environments

In Situ Nanoscale Investigation of Step Retreat on Fluoranthene Crystal Surfaces

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