• Detoxification
  • Heterogeneous photocatalysis is a discipline which includes a large variety of reactions: mild or total oxidations, dehydrogenation, hydrogen transfer, 18O2-16O2 and deuterium-alkane isotopic exchange, metal deposition, water detoxification, gaseous pollutant removal, etc. (wikipedia.org)
  • Runoff
  • Industrial and commercial activities (e.g. manufacturing, mining, construction, transport) are a major cause of water pollution as are runoff from agricultural areas, urban runoff and discharge of treated and untreated sewage. (wikipedia.org)
  • pollution
  • Water quality depends on the local geology and ecosystem, as well as human uses such as sewage dispersion, industrial pollution, use of water bodies as a heat sink, and overuse (which may lower the level of the water). (wikipedia.org)
  • bacterial
  • Escherichia coli (105 cfu/ml) and P1 phage (106 pfu/ml) were filtered through a Domestic Water Purifier (DWP) (dead-end UF unit) and a large-scale spiral water purifier (cross-flow UF unit) and the filtrates were analysed for bacterial and phage counts. (environmental-expert.com)
  • chemical
  • Applications of the system include destruction of toxic wastes and sewage treatment, precipitation of chemical compounds and elements including metals from solution (brine, sea water, industrial waste), sterilization and water purification, catalytic formation of chemical compounds, and processing of hydrocarbons. (google.com)
  • However, it can be also used to drive important chemical transformations such as the creation of low-cost water purification for developing countries. (nanomelbourne.com)
  • FRU crews are specially trained and equipped to handle complex rescues, including those from road and rail accidents, water, mud and ice, urban search and rescue incidents such as collapsed buildings, chemical spills and difficult rescues at height. (wikipedia.org)
  • coli
  • The technique involving the estimation of MWCO, coupled with the rejection characteristics of E. coli and P1 phage, provides an excellent tool to evaluate the efficiency of water purifiers based on UF membrane technology. (environmental-expert.com)
  • drainage
  • The contaminated leachate is gathered in the drainage system and then handled at a water decontamination facility. (wikipedia.org)
  • needs update] however, in September 2013 it was reported that the level of strontium-90 detected in a drainage ditch located near a water storage tank from which around 300 tons of water was found to have leaked was believed to have exceeded the threshold set by the government. (wikipedia.org)
  • nitrogen
  • Tepco said that it plans to install equipment - including water level gauges, a water circulating injection system, nitrogen injection pipes - in unit 2's reactor building in the near future. (world-nuclear-news.org)
  • disinfection
  • 8. The modular design of the stations and waste water disinfection units of 500 cubic meters / hour economically more advantageous, because standby has a lower price than LTL. (web-wisdom.com)
  • 9. All modules for disinfection of water and waste water with ultraviolet light and ultrasound, "Lazur-M" assembled from easily replaceable units, which in Basically you can not even change completely disabling the installation. (web-wisdom.com)
  • undertaken
  • To date, over 40 water-related projects have been undertaken in the region with an analysis of results due to shape the Horizon 2020 Initiative - itself aimed at decontaminating the Mediterranean Sea by 2020. (europa.eu)
  • ultrafiltration
  • A standard transmembrane pressure (TMP) step method has been used in membrane fouling assessment in tube ultrafiltration (UF) membrane system treating oil water (o/w) emulsion operated at constant TMP. (environmental-expert.com)
  • potable
  • The device was introduced into the field as a van-type body-mounted mobile unit, and proved vitally important to the operational effectiveness of deployed units under harsh field conditions, providing not only the water needed for survival, but clean potable water for staying healthy. (wikipedia.org)
  • The vast majority of surface water on the Earth is neither potable nor toxic. (wikipedia.org)
  • facility
  • Japan requested that Russia send the Landysh, a floating water decontamination facility originally built with Japanese funding and intended for decommissioning nuclear submarines. (wikipedia.org)
  • Lake Powell is a water storage facility for the Upper Basin states of the Colorado River Compact (Colorado, Utah, Wyoming, and New Mexico). (wikipedia.org)
  • consumption
  • This process is used, for example, to routinely confirm that water is safe for human consumption or that bathing and recreational waters are safe to use. (wikipedia.org)
  • However, due to high water withdrawals for human and agricultural consumption, and because of subsequent droughts in the area, Lake Powell is currently larger than Lake Mead in terms of volume of water currently held, depth and surface area. (wikipedia.org)
  • Work in the area of water quality tends to be focused on water that is treated for human consumption, industrial use, or in the environment. (wikipedia.org)
  • Hard water may be preferable to soft water for human consumption, since health problems have been associated with excess sodium and with calcium and magnesium deficiencies. (wikipedia.org)
  • Chemicals
  • 13. The method of claim 6, further including the step of adding chemicals to the water solution prior to discharging, to thereby steer the discharging reaction to precipitate out certain compounds and to control the identity of insoluble precipitates formed. (google.com)
  • human
  • The purpose of decontamination is to prevent the spread of micro-organisms and other noxious contaminants that may threaten the health of human beings or animals, or damage the environment. (wikipedia.org)
  • It is a measure of the condition of water relative to the requirements of one or more biotic species and or to any human need or purpose. (wikipedia.org)
  • The most common standards used to assess water quality relate to health of ecosystems, safety of human contact, and drinking water. (wikipedia.org)
  • supply
  • This passage from a description of the United States Marine Corps Engineer Battalion illustrates the ERDLator's significance: "One of the most important units was the water supply platoon. (wikipedia.org)
  • Producing from 1-3,000 gallons (about 4,000 to 12,000 liters) per day -- the larger number was achieved using separate large rubberized settling tanks -- one unit could adequately supply an infantry battalion under adverse conditions" ERDLator units of several production capacities were used for field water purification during the Vietnam War. (wikipedia.org)
  • electricity
  • Also, if you reduce the amount of water at night can disable some modules Azure, which results in significant savings of electricity consumed. (web-wisdom.com)
  • Additional equipment and facilities included tankage for electricity generator fuel, storage for drinking & decontamination water, telephone lines, etc. (wikipedia.org)
  • Quality
  • Detection of pathogens is critical for disease diagnosis, food safety control, water quality monitoring and homeland security. (nanomelbourne.com)
  • It represents one aspect of water quality. (wikipedia.org)
  • Another general perception of water quality is that of a simple property that tells whether water is polluted or not. (wikipedia.org)
  • In fact, water quality is a complex subject, in part because water is a complex medium intrinsically tied to the ecology of the Earth. (wikipedia.org)
  • The parameters for water quality are determined by the intended use. (wikipedia.org)
  • Water drawn directly from a stream, lake, or aquifer and that has no treatment will be of uncertain quality. (wikipedia.org)
  • Various industries' wastes and effluents can also pollute the water quality in receiving bodies of water. (wikipedia.org)
  • hydrogen
  • These hydroxyl radicals are very oxidative in nature and non selective with redox potential of (E0 = +3.06 V) Conversion of water to hydrogen gas by photocatalytic water splitting. (wikipedia.org)
  • Failure of emergency power following the tsunami resulted in loss of coolant from each reactor, hydrogen explosions damaging the reactor buildings, and water draining from open-air spent fuel pools. (wikipedia.org)
  • effective
  • Effective decontamination is crucial and this is just one area where the Mediterranean Innovation and Research coordination Action (MIRA) is making a welcome impact. (europa.eu)
  • high
  • Other technologies available such as, blasting with CO2, use of solid blast media, and high pressure water were explored, but for. (environmental-expert.com)
  • They do not require special foundations (as in LITA), because the weight of each module, high performance water does not exceed 250 kg (LITA 4000 kg). (web-wisdom.com)
  • High power lamps are cooled with a liquid, typically by flowing demineralized water through a tube in which the lamp is encased. (wikipedia.org)
  • High average power or continuous-wave arc lamps must have the water flow across the ends of the lamp, and across the exposed ends of the electrodes as well, so the deionized water is used to prevent a short circuit. (wikipedia.org)
  • The Dam is 710 feet (216 m) high, with the surface elevation of the water at full pool being approximately 3700 feet (1100 m). (wikipedia.org)
  • Based on the Mercedes-Benz Econic chassis, they are used for high-rise fires and rescues, aerial water dousing and other specialised requirements. (wikipedia.org)
  • treatment
  • The ERDLator was a field water treatment device developed during World War II at the U.S. Army's United States Army Engineer Research and Development Laboratory at Ft. Belvoir, Virginia. (wikipedia.org)
  • It is most frequently used by reference to a set of standards against which compliance, generally achieved through treatment of the water, can be assessed. (wikipedia.org)
  • environment
  • Water samples were collected from three lakes that were chemically rehabilitated in 1986 by the Province of British Columbia, Ministry of Environment, Recreational Fisheries Branch. (gov.bc.ca)
  • samples
  • One hundred and twenty samples of water from different sources of Tabriz hospitals were collected. (environmental-expert.com)
  • Results indicated that both rotenone and the Noxfish diluent were essentially nondetectable in water samples taken 7 months after fall treatments. (gov.bc.ca)
  • Department
  • W. D. Burrows, Prakash M. Temkar, COL(Ret) K. K. Phull, MAJ T. C. Timmes, and T. E. Richards: "Force Health Protection and Military Drinking Water Supplies" in U.S. Army Medical Department Journal, January-March 2004, pp. 55-59, retrievable online at http://chppm (2009). (wikipedia.org)
  • ions
  • The most familiar of these is probably the presence of ions of calcium (Ca2+) and magnesium (Mg2+) which interfere with the cleaning action of soap, and can form hard sulfate and soft carbonate deposits in water heaters or boilers. (wikipedia.org)
  • Hard water may be softened to remove these ions. (wikipedia.org)
  • sector
  • Updates the water sector on the progress of work done by different agencies. (epa.gov)
  • made
  • The interpretation and the action trigger levels for different waters vary depending on the use made of the water. (wikipedia.org)
  • It is the second largest man-made reservoir by maximum water capacity in the United States behind Lake Mead, storing 24,322,069 acre feet (3.0000830×1010 m3) of water when full. (wikipedia.org)