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Pollution Potential Ranking of Industries Using Classical TODIM Method

Journal of Environmental Protection 2016年第11期7卷 1645-1656页

作者： Nisha Soni Robin A. Christian namrata jariwala Civil Engineering Department SVNIT Surat India

Pollution of air and water is increasing day by day, as the number of industry is in-creasing and sometimes emission of pollutants in air and water exceeds the norms. So the pollution potential of industries based on the emission of pollutants needs to be assessed. In proposed method, based on the weights and emission of the pollutants, the final score of industries has been calculated which indicates the polluting potential of the industry. In this paper, attempt has been made to evaluate the score and the rank of industries using TODIM decision making process, in which higher score of particular industry is an indicator of higher pollution load imparted by particular industry and vice versa.

关键词： MADM Pollution Potential Classical TODIM

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Geochemical Evaluation of Groundwater in the Mandvi Taluka of Surat, India

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Journal of Environmental Protection 2018年第1期9卷 67-89页

作者： Mayuri Prajapati namrata jariwala Prasit Agnihotri S. V. National Institute of Technology Surat India

The quality of water is a vital concern for mankind since it is directly linked to human health. The present work is carried out with an objective to assess and map the spatial variability in the groundwater quality parameters in Mandvi Taluka, Surat district Gujarat, India. A total fifty-seven representative ground-water samples from different bore wells and hand pumps from Mandvi Taluka has been collected and analyzed for major cation and anions with fluoride concentration for the pre-monsoon and post-monsoon seasons. Ground water in the region is found alkaline, with presence of bicarbonates in nature and very hard. Weathering and leaching of F- bearing minerals under the alkaline conditions favors the high F-?concentration. Presence of low total hardness, low calcium hardness, high chlorides, high bicarbonates and some anthropogenic factors such as intensive and long-term irrigation, heavy use of fertilizers are the supplementary factors to further enhance the F- concentrations in the groundwater. Moreover, GIS spatial distribution maps give better visual image to understand the spatial distribution pattern to overlook better conclusion.

关键词： Groundwater Quality Fluoride Spatial Distribution Map

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Analysis of Pollutant Load Carrying Capacity of the River Tapi Using QUAL2Kw for Surat City

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Journal of Environmental Protection 2023年第2期14卷 96-107页

作者： Hiralkumari B. Patel namrata D. jariwala Department of Civil Engineering Sardar Vallabhbhai National Institute of Technology Surat India

River Tapi is the prime water body for Surat city, Gujarat, India. On a long stretch of 22.39 km in Surat city (Kamrej to Causeway) of the Tapi river, there are many identified and non-identified discharge points available. Excessive discharge from these points restricts the efficiency of the self-purification process which ultimately degrades the river water quality. In this paper, an attempt has been made to estimate the pollutant load-carrying capacity at different segments of the river Tapi using the QUAL2Kw tool. The study has been undertaken with different scenarios: First, the QUAL2Kw model was trained with available river water quality and hydraulic data of the Tapi river in which the complete river segment was divided into 21 reaches. The model was calibrated and validated with the actual concentrations of the pollutants entering. In the second phase, all the point source, non-point source, and headwater characteristics were considered and the pollutant load-carrying capacity of the river in terms of BOD, ISS, and N-nitrate was found. In the third phase, all the sources of pollutants entering the river have been removed and only headwater characteristics were considered for the study. The results indicate that reach no. 21 (21.23ºN, 72.82ºE) has the maximum load-carrying capacity of Biochemical Oxygen Demand (BOD) up to 2057.7 kg/day, Inorganic Suspended Solids (ISS) up to 85633.8 kg/day, and Nitrate (NO3) up to 31688.8 kg/day. However, reach no. 4 has the minimum load carrying capacity of BOD up to 1088.1 kg/day, reach 8 carries a minimum of ISS 205341.6 kg/day and NO3 10215.57 kg/day.

关键词： Load Carrying Capacity River Water Quality QUAL2Kw Tapi River

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Analysis of Pollutant Load Carrying Capacity of the River Tapi Using QUAL2Kw for Surat City

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Journal of Environmental Protection（环境保护） 2023年第2期

作者： Hiralkumari B. Patel namrata D. jariwala

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