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 11 of 11 for “"Slow sand filtration"”.
-
Household scale slow sand filtration in the Dominican Republic
Slow sand filtration is a method of water treatment that has been used for hundreds of years. In the past two decades, there has been resurgence in interest in slow sand filtration, particularly as a low-cost, household-scale method of water treatment. During January 2004, the author traveled to …
-
From design to implementation : innovative slow sand filtration for use in Developing countries
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2002.
-
Filter as Metaphor: The McMillan Sand Filtration Site
… of the population they served. The McMillan sand filtration system is a testament to late 19th century engineering and public works design. With the advent of new technologies and growing population, a new, more cost effective, and faster filtration system was built to replace the old slow …
-
Biosand filtration of high turbidity water : modified filter design and safe filtrate storage
… that was investigated in this research. Biosand filters, based on an intermittent slow sand filtration process, are an established household scale water treatment technology widely used in developing countries to treat low turbidity drinking water. This research investigates modifications to …
-
The microbial biochemistry of slow sand filters.
… of Scotland produces potable water by using slow sand filtration. This method of potable water production involves raw water percolating through a porous sand bed allowing the removal of particles by a combination of physical and biological mechanisms. The unique feature of slow sand filters …
-
Pilot study of horizontal roughing filtration in northern Ghana as pretreatment for highly turbid dugout water
… their physical and microbial contamination. Slow sand filtration (SSF), a low-cost technology for treating microbial contaminated drinking water is only recommended for water < 50 NTU. Two research objectives were established to address this issue; to characterize dugout particle sizes and …
-
Think water : reconditioning the Malden River
… quality, origin, and renewal. The selected site, sandwiched between the towns of Medford and Everett, is chosen to celebrate and demarcate the origin of the river, and second to rejuvenate the water front and surrounding industrial landscape, which is overgrown and polluted. These intentions are …
-
Revealing the Grid
… build anew? One such ruin is that of McMillan Sand Filtration Plant in Washington DC. A completely utilitarian structure, with a huge grid of columns covered with a roof spread over 25 acres of land. What appears from the eye level as a 25 acre lawn with a grid of manholes, interspersed with …
-
Fate and impact of antibiotics in slow-rate biofiltration processes.
… coagulation, flocculation, sedimentation, and filtration) are generally not effective, oxidation processes (e.g., chlorination, ozonation) and granular activated carbon exhibit some effectiveness at removing pharmaceuticals. As expected, removals are highly dependent on compound structure. …
-
Water saving and reuse strategies for a local South African fresh-produce bulk market
Submitted in fulfilment of the requirements for the degree of Master of Engineering: Chemical Engineering, Durban University of Technology, Durban, South Africa, 2026