نتایج جستجو برای: backwash effects
تعداد نتایج: 1544431 فیلتر نتایج به سال:
The removal of turbidity, particles, phytoplankton and zooplankton in water by crumb rubber filtration was investigated. A substantial reduction was achieved. Of the three variables, filter depth, media size and filtration rate, media size had the most significant influence. Smaller media size favored higher removal efficiency of all targeted matter. There was no apparent relationship between r...
Evidence of the AD 1755 tsunami consisting of the same type of accretions produced by the re-deposition of earlier sediments, has been recorded at three different height along the coast of Gibraltar: Along a shallow sandy shore, the tsunami wave reached a run-up of 2–3 m, whereas along steep, cliff–lined shores (Rosia Bay) it surpassed 5 m. An overwash deposit was also identiied at the bottom o...
The presence of particles such as algae, clay, organic materials and water-soluble substances often create turbidity or color in water. In recent years, electrocoagulation process has attracted an extensive attention due to its advantages. Since sand filters are widely used in water treatment industry and their corresponding backwash water is large in volume, turbidity removal will save water c...
Swimming pools are examples of water-intensive facilities, where solutions for reducing economic and environmental costs searched with increased frequency. One the supporting savings is recovery water from wastewater, including backwash obtained while rinsing filter bed. The study objective was qualitative quantitative assessment post-coagulation sludges, main pollutant found in washings. Durin...
Abstract The alternative membrane cleaning method Temperature Enhanced Backwash exploits elevated temperatures of typically 125 °C to realize high shear rate. This exceeds usual operating by far. Therefore, the thermo‐mechanical properties polymeric membranes were investigated. A repeated load cycle testing was suited and sensitive detect failure material potting. All tested PES showed be stabl...
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