نتایج جستجو برای: na and so42

تعداد نتایج: 17029048  

2017
Minghao Zhang Kuibo Yin Zachary D. Hood Zhonghe Bi Craig A. Bridges Sheng Dai Ying Shirley Meng Mariappan Parans Paranthaman

Center of Nanophase Materials Sciences, Oa Tennessee 37831, USA. E-mail: [email protected] Chemical Sciences Division, Oak Ridge Na 37831, USA. E-mail: [email protected] EU-FEI Nano-Pico Center, Southeast Univer School of Chemistry and Biochemistry, G Georgia 30332, USA Department of NanoEngineering, University CA 92093, USA † Electronic supplementary informa 10.1039/c7ta05877b ‡ These authors cont...

Journal: :Water Practice & Technology 2022

Abstract This study reported the results of groundwater quality for drinking and irrigation purposes in Kurukshetra district, Haryana, India. Twelve parameters, namely pH, TDS, TH, sodium (Na+), magnesium (Mg2+), calcium (Ca2+), potassium (K+), chloride (Cl−), sulfate (SO42−), bicarbonate (HCO3−), nitrate (NO3−), fluoride (F−) were evaluated Water Quality Index (WQI) was calculated. Based on WQ...

Nader Bahramifar, Ali Kazemi, Habibollah Younesi,

Background: The municipal solid wastes (MSWs) are disposed in open dumps, which have no leachate collection and removal system, in the Caspian region of Iran. Leachate readily reaches the nearby water resources such as streams, rivers, lakes, and sea. Therefore, understanding the quality and quantity of open dump leachate is vital to the proper treatment of leachate. Methods: The leachate samp...

Journal: :Journal of Sol-Gel Science and Technology 2021

A new series of Mn-based catalysts (Mn-TiO2, Ce-Mn-TiO2, Mn-TiO2-SO42–, and Ce-Mn-TiO2-SO42–) were successfully elaborated using the sol–gel method associated with supercritical drying approach for low-temperature NO-SCR by NH3. The physicochemical properties aerogel powders examined XRD, N2-Physisorption at 77 K, NH3-TPD, H2-TPR, DRUV-Vis spectroscopy. It was shown that all develop essentially...

Journal: :Bulletin of the Chemical Society of Japan 1963

Journal: :Sustainability 2023

The hydrogeochemical evolution of Bosten Lake has an important impact on the lake’s ecology and water environment. Kriging interpolation, principal component analysis Piper Gibbs charts were used to analyze hydrochemical characteristics genesis in summer autumn. following are main conclusions: (1) In autumn, hydrochemistry lake follows order SO42− > Cl− HCO3− Na+ Mg2+ Ca2+ K+. (2) concentrat...

Journal: :Water 2022

The aim of the study was to assess groundwater quality in a rural area affected by abandoned pyrite ash waste dumps. abundance major ions depends largely on nature rocks, climatic conditions, and mobility. To evaluate geochemical processes, 30 samples collected from Valea Calugareasca, Prahova County, Romania, were analyzed for anions (NO3?, SO42?, Cl?, HCO3?, F?) cations (Ca2+, Mg2+, Na+, K+),...

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