Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 25 for “"Water quality--Analysis"”.
-
Development of membrane extraction techniques for water quality analysis
… techniques as applied to various aspects of water quality analysis. Gas injection membrane extraction was developed for fast on-line analysis of volatile organic compounds in water. Gas injection of aqueous samples increased the speed of membrane extraction. The aqueous boundary layer effects …
-
Water quality analysis of the piped water supply in Tamale, Ghana
… without sustainable access to safe drinking water". While the UN claimed to have met this goal, studies have shown that the "improved" sources used as a metric to track progress do not always supply safe water. One example of these improved sources is the piped water in Tamale, Ghana, which …
-
Development of a Low Cost Handheld Microfluidic Phosphate Colorimeter for Water Quality Analysis
… microfluidic phosphate colorimeter utilized for water quality analysis. The device can be powered by, and interfaced for data collection with, a common cell phone or laptop to dramatically reduce costs. Unlike commercially available colorimeters, this device does not require the user to measure …
-
Frac flowback water blending and treatment requirements based on spatial and temporal water quality analysis
Because of the large amount of wastewater generated with oil and gas production and the complex components of produced water, associates in the human health and environmental disciplines consider the treatment and reuse of produced water as a central issue for the petroleum industry. At present, …
-
A Biogeographic Inventory and Water Quality Analysis of the Upper Drainage Basin of the Meramec River, Missouri
… land use classification of the study area; and a water quality analysis. The study area has nine biogeographic classes. The land use is mainly forested, with scattered agriculture and urban land use. The water quality was sampled over a one year period. Ecological parameters such as dissolved …
-
Evaluation of potential acid mine drainage: A case study of the Albert Silver Mine, Mpumalanga Province, South Africa
… little attention was being given to acid mine water generation. This study investigated the current status of acid mine drainage on the Moses river and the potential of the silver ore to produce acid mine drainage. This was achieved through investigating both sulfide and carbonate minerals in …
-
Survey of Storm Water Quality in an Urban Environment
… variety of contaminants are found in urban storm water runoff. Research was carried out on several catch basins around Youngstown State University in Youngstown, Ohio with the purpose of identifying areas of high contaminant concentration for future studies. The area has a variety of land uses, …
-
Human health risk assessment of exposure to cadmium, lead and chromium through consumption of well and bottled water in Lusaka district, Zambia.
Water is an essential product for human survival, which all age groups consume and access to safe drinking water is essential to health. Safe drinking water implies that the water does not represent any significant risk to health over a lifetime of consumption, including different sensitivities …
-
Human health risk assessment of exposure to cadmium, lead and chromium through consumption of well and bottled water in Lusaka district, Zambia.
Water is an essential product for human survival, which all age groups consume and access to safe drinking water is essential to health. Safe drinking water implies that the water does not represent any significant risk to health over a lifetime of consumption, including different sensitivities …
-
Road Salt Runoff - Impact on Macroinvertebrates and Water Quality
… for higher trophic level predators in freshwater food webs. Salt contamination due to road de-icing can often produce a dense saline layer just above the sediment–water interface potentially exposing benthic macroinvertebrates to high salt concentrations. Reported impacts on salinity …
-
Water quality modelling for recreational use in the Kallang River Basin, Singapore
Singapore's Active, Beautiful, and Clean Waters Programme (ABC) aims to provide functional use of its water bodies to the public. The Kallang River Basin, being part of the ABC Programme, will be used for recreational purposes such as dragon boating and other water sports. In order to provide safe …
-
A Comparative Analysis of Three Biofilter Types Treating Wastewater Produced in Recirculating Aquaculture Systems
… perch. Following acclimation, a comparative analysis on biofilter performance began. To evaluate filter performance, water quality parameters tested were temperature (°C), pH, dissolved oxygen (DO), total ammonia-nitrogen (TAN), nitrite-nitrogen (NO₂⁻-N), nitrate-nitrogen (NO₃⁻-N), alkalinity …
-
Water quality prediction for recreational use of Kranji Reservoir, Singapore
… has been making efforts in relieving its water shortage problems and has been making great progress through its holistic water management. Via the Active, Beautiful, Clean Waters (ABC Waters) Programme, Singapore's Public Utilities Board (PUB) is now aiming to opening Kranji Reservoir for …
-
Monitoring and evaluation of household water treatment and safe storage technologies : the sustained use of the KOSIM ceramic water filter in northern region Ghana
… people lack access to an improved drinking water (WHO and UNICEF, 2008). According to the World Health Organization (WHO), contaminated water and poor sanitation cause 30,000 deaths worldwide each day (WHO and UNICEF, 2008). Household drinking water and safe storage (HWTS), is a new health …
-
Siphon filter assessment for Northern Ghana
The siphon filter is a household water filter developed by the Basic Water Needs Foundation based on the design of ceramic candle filters. The siphon filter is marketed under brand names CrystalPur and Tulip and is sold for roughly US$10. An independent Dutch laboratory found log reductions of …
-
Toxicity of Copper to <I>Mercenaria mercenaria</I> (Hard Clam)
… screening and routed it to a catch bottle for water quality analysis. The toxicant feed line entered through the catch dish cover and slowly dripped toxin into the organism dish. Water quality in the flow - through assay remained excellent. Survival of control organisms in the flow - through …
-
Hydrodynamic and Water Quality Simulation of Fecal Coliforms in the Lower Appomattox River, Virginia
The Virginia Department of Environmental Quality (VADEQ) under the direction of the United States Environmental Protection Agency (USEPA) has listed the lower Appomattox River as impaired because it violates current water quality standards for fecal coliforms. To advance the analytical process by …
-
Analysis of the Benthic Macroinvertebrate Community Structure for Assessment of Water Quality of the Des Moines River
The problem. An evaluation of the water quality of the Des Moines River in the Des Moines, Iowa area was accomplished by sampling and analyzing the benthic macroinvertebrate community. Procedure. Artificial substrates at five stations collected macroinvertebrates. Community structure was analyzed …
-
Assessment of groundwater quality in a part of Mhlathuze catchment of Empangeni and Richards Bay, KwaZulu-Natal, South Africa
… studies in understanding the groundwater quality for drinking and irrigation purposes. The study also identified the hydrogeochemical processes and the probable source of toxic metals in the groundwater. About 40 and 33 groundwater samples were collected in the year 2015 and 2016 …
-
Water chemistry characterization and component performance of a recirculating aquaculture system producing hybrid striped bass
… and three replicates each at 66 and 33 fishlm3. Water chemistry and water quality characteristics were monitored throughout the 228 day growth trial for all eight systems. A system component performance analysis was done for both the multi-tube solids clarifier and rotating biological contactor …
Page 1 of 2