نتایج جستجو برای: sand filter
تعداد نتایج: 150867 فیلتر نتایج به سال:
A traditional sand filter for treatment of household wastewater was constructed in the fall of 2012 at Biolinja 12, Turku, Finland. Construction work was led and monitored by an authorized wastewater treatment consultant. The filter was placed on a field bordered by open ditches from all sides in order to collect excess rain and snowmelt waters. The filter was constructed and insulated from the...
The aim of the present study was to provide new knowledge regarding effect non-expansive inert material addition on anionic pollutant removal efficiency in Fe0-H2O system. Non-disturbed batch experiments and continuous-flow-through column tests were conducted using CrVI as a redox–active contaminant three different systems: “Fe0 + sand”, only” ”sand only”. Both experimental procedures have adva...
Complex life cycles have evolved independently numerous times in marine animals as well as in disparate algae. Such life histories typically involve a dispersive immature stage followed by settlement and metamorphosis to an adult stage on the sea floor. One commonality among animals exhibiting transitions of this type is that their larvae pass through a 'precompetent' period in which they do no...
Bioaugmented Sand Filter Columns Provide Stable Removal of Pesticide Residue From Membrane Retentate
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