Dissolved trace metals in the shallow aquifers of the Jia Bharali River Basin, North Brahmaputra Plain

Khound, Nayan J.; Phukon, Parag; Bhattacharyya, Krishna G.

doi:10.1007/s12594-013-0134-3

Cited by 6 publications

(5 citation statements)

References 13 publications

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“…In high rainfall zones of India such as Assam, Orissa and Kerala, total iron content of water sources generally varies from 6.8 to 55.0 mg/L (Singhal and Gupta 1999). Similarly, in the present work, most of the water samples showed Fe concentration in the range of 0.12-4.45 mg/L in the wet seasons and 0.16-7.80 mg/L in the dry seasons (Khound et al 2013) which were much higher than the WHO (1984) permissible limit for drinking water (0.3 mg/L). For SW sources, iron contents varied from 0.16 to 1.11 mg/L in the wet seasons and 0.24-2.90 mg/L in the dry seasons with most sources exceeding WHO (2004) limit (0.3 mg/L) for drinking water.…”

Section: Major Cation Chemistrysupporting

confidence: 76%

“…The course of this palaeo river system is known as Mara Bharali (Mara meaning dead) and is well discernible on the ground. Subsequently, Mara Bharali has attained a graded condition with respect to the local base as the Brahmaputra river at Tezpur, 92°53′E: 26°39′N and developed a wide meander belt (Khound et al 2013). The region has extensive teaplantations on the higher topographic surfaces and paddy fields generally occupying the lower topographic planes.…”

Section: Study Areamentioning

confidence: 99%

“…Aquifer material is also either sand, medium sand, coarse sand or clayey sand. The depth of the shallow wells (ground water sampling points) was recorded in the range of 3.66-11.00 m with the diameter: 0.60-1.40 m (Khound et al 2013). Surface materials near the wells are generally found to be composed of clay or sandy clay or silty clay.…”

Section: Hydrogeologymentioning

confidence: 99%

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Assessment of water quality in and around Jia-Bharali river basin, North Brahmaputra Plain, India, using multivariate statistical technique

Khound¹,

Bhattacharyya

2018

Appl Water Sci

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The present study envisages the application of multivariate analysis, water utility class and conventional graphical representation to reveal the hidden factor responsible for deterioration of water quality and determine the hydrochemical facies of water sources in Jia-Bharali river basin, North Brahmaputra Plain, India. Fifty groundwater and 35 surface water samples were collected and analyzed for 15 parameters viz pH, TDS, hardness, COD

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Section: Major Cation Chemistrysupporting

confidence: 76%

Section: Study Areamentioning

confidence: 99%

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Assessment of water quality in and around Jia-Bharali river basin, North Brahmaputra Plain, India, using multivariate statistical technique

Khound¹,

Bhattacharyya

2018

Appl Water Sci

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“…The negative values of ΔH and ΔS indicated the exothermal nature and the reduction in randomness of the adsorption process. 34 The results confirmed the passive influence of temperature on the matrine sorption process.…”

Section: Adsorption Of Matrine On Mip-spamsupporting

confidence: 61%

Functionalization of cellulose as imprinted adsorbent for selective adsorption of matrine

Qiu

Lin

Liu

et al. 2019

J of Applied Polymer Sci

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A novel molecular imprinted polymer (MIP) based on cellulose is fabricated for separation of matrine. Cellulose graft copolymer was first synthesized from cotton linter by atom transfer radical polymerization in ionic liquid with the acrylamide as monomer. Then, the prepared graft copolymer underwent sulfomethylation and subsequent crosslinking in the matrine solution. Effects of the parameters on the reaction degree were discussed, and the structural, component, and morphological characterization of the products were also conducted. The ability of the obtained cellulose‐based MIP (MIP‐SPAM) to adsorb matrine was evaluated by batch adsorption. Results showed that the sorption process was pH dependent, spontaneous, endothermic, and followed the Langmuir adsorption isotherm. Kinetics study revealed that pseudo‐second‐order was closed to the experimental data and both of the membrane diffusion and intraparticle diffusion controlled the matrine adsorption. Moreover, MIP‐SPAM possessed higher selective sorption property for matrine compared to the corresponding nonimprinted polymer. Finally, the MIP‐SPAM could be repeatedly used for five times without any significant loss in the initial binding affinity. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48392.

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“…The anionic, As(III) and As(V), species were not speciated in this work and it is likely that the water contains only As(V) species (in the form of arsenate) due to atmospheric oxidation of As(III), if any. The mean arsenic concentration was in the range of BDL to 7.39 lg/L with a mean value of 1.92 lg/L (wet seasons) and from BDL to 13.80 lg/L with a mean value of 2.57 lg/L in the dry seasons (Khound et al 2013). The highest arsenic concentration in the wet season (7.39 lg/L) and in the dry season (13.80 lg/L) was observed at the site 23 present in the foothills of Arunachal Himalaya for both the seasons.…”

Section: Resultsmentioning

confidence: 97%

Dissolved arsenic in the shallow alluvial aquifers in North Brahmaputra Plain, India: a case study in and around lower Jia Bharali River basin

Khound¹,

Phukon

Bhattacharyya

2017

Appl Water Sci

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This study was carried out to investigate Arsenic (As) contamination in the alluvial aquifers of the lower Jia Bharali catchment and adjoining areas in Sonitpur district of Assam. Samples were collected twice a year (July and February) for three consecutive years from 50 monitoring wells spread into both older and younger alluvium between the Brahmaputra River towards south and Arunachal foothills towards north. The analytical results show that dissolved As content [both As(III) and As(V)] varies from below detection level (BDL) to 7.39 lg/L with a mean value of 1.92 lg/L and standard deviation of 1.37 lg/L during wet season (July). Thus, it remains within the WHO (2004) prescribed limit (10 lg/L) in the study area in the wet season. During the dry season, the range of variation is higher, from BDL to as much as 13.8 lg/L with a mean value of 2.57 lg/Land standard deviation of 2.23 lg/L. About 78% of the wells show a concentration between 1 and 10 lg/L in both the seasons. However, only one of the wells present in foothills of Arunachal Himalaya was found to have As content higher than the WHO limit in the dry season. Along with total As, examination of concentration levels of other key parameters, viz., Fe, Mn, Ca, Na, K, and Mg with pH and SO 4 2-was also carried out. Most of the wells (*92%) showed Fe concentration much higher than the WHO (2004) permissible limit of (0.3 mg/L) particularly during the dry season and it is likely that high Fe concentration was responsible for keeping total As concentration at comparatively low levels. 34% of the samples in the wet seasons and 86% of the samples in the dry seasons have Mn above the permissible limit of 0.1 mg/L.

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Dissolved trace metals in the shallow aquifers of the Jia Bharali River Basin, North Brahmaputra Plain

Cited by 6 publications

References 13 publications

Assessment of water quality in and around Jia-Bharali river basin, North Brahmaputra Plain, India, using multivariate statistical technique

Assessment of water quality in and around Jia-Bharali river basin, North Brahmaputra Plain, India, using multivariate statistical technique

Functionalization of cellulose as imprinted adsorbent for selective adsorption of matrine

Dissolved arsenic in the shallow alluvial aquifers in North Brahmaputra Plain, India: a case study in and around lower Jia Bharali River basin

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