Water Practice and Technology

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Removal of foaming from industrial wastewater treatment plants
Water Practice and Technology - Tập 10 Số 3 - Trang 415-423 - 2015
Nastaran Khodabakhshi, Gholamreza Asadollahfardi, Elnaz Shahriarinia
Proper operation of activated sludge systems is very important and depends on physical, chemical, and biological parameters of wastewater. In this study, some problems were studied in an existing wastewater treatment plant of a fish-canning factory located in Tehran where thick, brown, stable foam was observed in aeration and clarifier tanks. The effluent of this plant was higher than the standard... hiện toàn bộ
Potential impact of natural hazards on water supply systems in Alpine regions
Water Practice and Technology - Tập 3 Số 3 - 2008
M. Möderl, Davy Vanham, S. De Toffo, Wolfgang Rauch
One of the most important aspects in water supply management is supply security. In this article a methodology is introduced to first identify vulnerable sites of a water supply system (WSS) and second to estimate the potential effect of alpine natural hazards on this system. The approach serves for the definition of zones with low, medium and high potential risk by combining vulnerability and haz... hiện toàn bộ
Production and optimisation of adsorbent materials from teawaste for heavy metal removal from aqueous solution: feasibility of hexavalent chromium removal – kinetics, thermodynamics and isotherm study
Water Practice and Technology - Tập 17 Số 9 - Trang 1866-1880 - 2022
Chirangano Mangwandi, Haili Chen, Jiahong Wu
Abstract A face-centred central composite experimental design scheme was used to find experimental conditions this would result in producing magnetic bleached teawaste (MBTW) adsorbent material to have the optimum hexavalent chromium (Cr(VI)) removal capacity. The effect of treatment conditions, namely temperature (200 °C, 350 °C, 500 °C), duration of the heat treatment (2 h, 3 h, 4 h), the concen... hiện toàn bộ
Hydrogeochemical investigation and groundwater quality assessment toward ‘smart city planning in a coastal aquifer, India
Water Practice and Technology - Tập 18 Số 1 - Trang 168-184 - 2023
George Biswas, Mohd Arshad, Naseem us Saba, Tanvi Arora, Shakeel Ahmed
Abstract This paper aims to understand the general background of groundwater quality that must be considered for the 'smart city' planning of Surat city. Twenty-Six water samples collected from bore wells of the city were analyzed. The results showed that water is alkaline, as pH varies from 7.6 to 9.2. The concentration of Cl− and Na+ are correlated with EC. The highest levels of Cl− and Na+ are ... hiện toàn bộ
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