Results 21 to 30 of about 17,487,572 (398)
Water, 2023 Water quality is identically important as quantity in terms of meeting basic human needs. Therefore, evaluating the surface-water quality and the associated hydrochemical characteristics is essential for managing water resources in arid and semi-arid ...
M. Gad +4 more
semanticscholar +1 more source
Water, 2023 This study undertook an assessment of 24 physiochemical parameters at over 1094 sites to compute the water quality index (WQI) across the upper and central Punjab regions of Pakistan.
Iram Naz +4 more
semanticscholar +1 more source
Turbidity and Some Heavy Metals Removal Efficacy by Poly Aluminium Chloride (PAC) Coagulant in the Presence of Bentonite and Polyelectrolyte Coagulant Aid (Case Study: Isfahan Babashikhali Water Treatment Plant) [PDF]
علوم و مهندسی آب و فاضلاب, 2022 One of the important steps in the process of removing water turbidity is the use of coagulants. Amongst the most applied materials is poly aluminum chloride (PAC) which is used to precipitate colloidal particles.
Fahimeh Mehranfar
doaj +1 more source
Adapted Water Quality Indices: Limitations and Potential for Water Quality Monitoring in Africa
Water, 2023 A Water Quality Index (WQI) is a tool that describes the overall water quality by combining complex and technical water quality information into a single meaningful unitless numerical value.
D. K. Lukhabi +4 more
semanticscholar +1 more source
Valuing Water Quality as a Function of Water Quality Measures [PDF]
American Journal of Agricultural Economics, 2009 AbstractEmploying a unique and rich data set of water quality attributes in conjunction with detailed household characteristics and trip information, we develop a mixed logit model of recreational lake usage and undertake thorough model specification and fitting procedures to identify the best set of explanatory variables, and their functional form for
Egan, Kevin +3 more
openaire +3 more sources
Assessment of Surface Water Quality Using Water Quality Index and Discriminant Analysis Method
Water, 2023 Given the complexity of water quality data sets, water resources pose a significant problem for global public order in terms of water quality protection and management.
Asma Mammeri +8 more
semanticscholar +1 more source
Occurrence and Behavior of Residual Pharmaceuticals in the Nakdong River Basin
대한환경공학회지, 2020 Objectives This study was conducted to evaluate the detection characteristics of Nakdong River basin (wastewater treatment plant (WWTP) effluents, tributaries and main streams) by selecting 18 kinds of pharmaceuticals which were detected frequently.
Chang-Dong Seo +5 more
doaj +1 more source
대한환경공학회지, 2021 Objectives:In the case of pharmaceuticals with high possibility of inflow into the large drinking water treatment plant (DWTP) located in the downstream of the Nakdong River, we tried to evaluate the removal efficiency of pharmaceuticals in the both ...
Chang-Dong Seo +5 more
doaj +1 more source
대한환경공학회지, 2020 Objectives In this study, we used liquid chromatograph-organic carbon detector-organic nitrogen detector (LC-OCD-OND) to evaluate adsorption and breakthrough characteristics of NOM fractions (biopolymers (BP), humic substances (HS), building blocks (BB)
Heejong Son +4 more
doaj +1 more source
Various Natural and Anthropogenic Factors Responsible for Water Quality Degradation: A Review
Water, 2021 Recognition of sustainability issues around water resource consumption is gaining traction under global warming and land utilization complexities.
N. Akhtar +3 more
semanticscholar +1 more source