Showing papers in "Groundwater for Sustainable Development in 2020"

TL;DR: A total of 194 groundwater samples were collected from hard rock terrain of Medak, a fast urbanizing region of Telangana State, South India to assess the groundwater quality using Geographic Information System (GIS) and groundwater quality index (GWQI) techniques.

TL;DR: In this article, the authors investigated the quality of drinking groundwater in Ojoto and environs using pollution index of groundwater (PIG), ecological risk index (ERI), and hierarchical cluster analysis (HCA).

TL;DR: In this article, a total of 60 spring water samples were collected from the three kinds of terrain (mountainous, hilly and plain) and analyzed for pH, electrical conductivity (EC), total dissolved solids (TDS), total hardness (TH), calcium (Ca2+), magnesium (Mg2+)), sodium (Na+), potassium (K+), bicarbonate (HCO3−), sulphate (SO42−), chloride (Cl−), nitrate (NO3−) and fluoride (F−).

TL;DR: A total of 105 groundwater samples collected from semi-arid region of central Telangana, were executed in order to evaluate its suitability for drinking and irrigation purposes as discussed by the authors, which highlighted that most of the groundwater is suitable for drinking purposes based on pH, electrical conductivity (EC), total dissolved solids (TDS), total hardness (TH) as CaCO3, calcium (Ca2+), magnesium (Mg2+, sodium (Na+), potassium (K+), chloride (Cl−), and sulphate (SO42−).

TL;DR: In this paper, a multi-criteria decision analysis (MCDA) is performed in ArcGIS, using the weights of different themes generated by the analytical hierarchy process (AHP) technique, for the delineation of the groundwater potential zones (GWPZs) of the Manimala River Basin (MRB).

TL;DR: In this article, the authors used resistivity imaging tomography (ERT) data to identify two aquifer pockets in perched condition, in good association with hydrogeomorphological variables.

TL;DR: The main aim of the present work is to see the effect of vertical and inclined fins on the yield of solar still as discussed by the authors, where three same size solar stills have been used to carry out research work in climate conditions of Gandhinagar, Gujarat.

TL;DR: In this paper, a review of the characteristics of the pharmaceutical wastewater to provide a better insight on the preferable choices of treatment methods is presented, in which bioremediation emerges as the most sustainable and economically viable option.

TL;DR: In this article, the suitability of groundwater use in Dhaka City dwellers, factors affecting groundwater quality, and human health risk to initiate the control measures were investigated, which revealed that, groundwater is slightly acidic to alkaline and in some samples Fe and Mn concentrations exceed the standard permissible limits.

TL;DR: In this article, the authors determined the groundwater storage change by using RL05 land data product (January, 2003 to December, 2016) which was accessed from the Gravity Recovery and Climate Experiment (GRACE) satellite.

TL;DR: In this article, the authors delineated artificial recharge sites using the important factors which plays a pivotal role in groundwater occurrence through Analytical Hierarchy Process (AHP) based modelling in Geographical Information System (GIS) environment.

TL;DR: In this article, the heavy metal concentration in water, soil, and plant around an open landfill site in Mogla Bazar, Sylhet, Bangladesh was analyzed using a Flame Atomic Absorption Spectrophotometer (AAS) with proper digestion method.

TL;DR: In this paper, a pyramid solar still with and without insulation was investigated by varying the water depth from 1 to 3.5 cm with and with insulation conditions, and the performance of the pyramid still with insulation is greater than the without insulation.

TL;DR: In this article, an ingenious amendment in form of spherical basin solar still has been integrated with parabolic reflector, and performance has been investigated for various water mass such as 1L, 2L, 3L, 4L, 5L and 6L in basin.

TL;DR: In this paper, the synthesis of polyaniline polypyrrole (PPY-PANi) copolymer and its subsequent application for aqueous metronidazole removal under batch adsorption trials were reported.

TL;DR: In this paper, the adsorption performance of orange peel and magnetized orange peel (MOP) as adsorbents for the confiscation of crystal violet (CV) dye from synthetically polluted water was examined.

TL;DR: In this article, the authors reviewed the studies conducted during the last 30 years in Sri Lanka on fluoride and arsenic in groundwater and found that over 50% of wells in the dry zone regions of Sri Lanka have fluoride levels higher than 1.0 µg/L while the fluoride content is also higher in deep wells compared to the shallow wells.

TL;DR: In this article, the main aim of the present review paper is to integrate the active solar still with photovoltaic panel to increase the distillate output as well as improvement in efficiency of solar PV.

TL;DR: In this paper, groundwater samples collected from handpumps, dugwells, and tubewells were analyzed for various physico-chemical parameters and compared with drinking standards for drinking suitability.

TL;DR: In this paper, the authors employed multivariate statistical analysis and conventional hydrochemical plots to assess the quality and main controls on groundwater chemistry in parts of Sawla-Tuna-Kalba District in the Savannah Region of Ghana.

TL;DR: A review on various techniques of improving the productivity of a solar still that are reported is presented in this article, which mainly includes modification of the absorber plate, integration of a condenser, use of reflectors, humidification-dehumidification units and integration of thermal energy storage materials, using of Nanoparticles, PV/T module integration and thermoelectric coolers.

TL;DR: In this paper, the authors assessed the co-occurrence of fluoride and arsenic in groundwater of Dharmanagar region (Tripura, India) and found that concentrations of both the toxicants exceeded the World Health Organization drinking water standards in 30% samples.

TL;DR: In this article, the use of fins in solar still and how it can be used to enhance the distillate output of solar still is discussed and a table is also presented to show the uses of fins to increase the distillation output alone and with the useof certain materials.

TL;DR: In this paper, the evaluation of twenty physico-chemical parameters in 110 ground water samples from 17 blocks of Nadia district located in West Bengal, for its quality assessment is presented.

TL;DR: In this article, the authors investigated the anthropogenic factors causing changes in the water quality index in Shiraz plain using field studies, Google Earth, and multivariate statistical analysis and piper diagram.

TL;DR: In this paper, the authors used the AHP model to delineate groundwater potential zones of the study region, seven hydro-geological factors, such as geology, lineament, slope, drainage, rainfall, soil and land use land cover, to assign proper weight of an individual factor based on its level of influence in the occurrence of groundwater.

TL;DR: In this article, two multi-criteria decision making (MCDM) methods were compared to determine suitable areas for drinking water harvest (AHP and FAHP) and ten parameters were used for the decision criteria: applied sodium, calcium, magnesium, Nitrate, TDS, SO4, Electrical conductivity (Ec), Chloride (Cl), drawdown(S), and Transmissivity coefficient.

TL;DR: In this paper, 99 groundwater samples from deep boreholes and shallow wells in hard rock aquifers in the Monaragala region, were collected and analyzed for major cations and anions, and some selected trace element contents.

TL;DR: In this article, PACT@γ-Fe2O3 was synthesized via oxidative free radical polymerization of acrylamide monomer in presence of γ-Fe 2O3 nanoparticles as a filler by grafting with chitosan biopolymer.

TL;DR: In this paper, the iron-impregnated activated carbons derived from waste Citrus limetta peels (AC-CLPs) have been employed for the first time to remove the fluoride ions from water.