mercury removal rate Articles

  • Mercury Control Demonstrations

    C1.1 | Halogens and Sulfur in Coals and their Influence on Co-benefit Mercury Capture Bernhard Vosteen | President, Vosteen Consulting Gmbh Not only the range of the coal mercury content itself, but also the range of the native halogen and sulfur contents in coal are of great influence on co-benefit mercury capture, wet and dry. The ...

  • Detecting Mercury in Water

    Determination of Mercury (Hg) in Water by Hand-Held, Portable Cold Vapor Atomic Fluorescence SpectrometryWater is the most familiar and most abundant compound on Earth, making up 71% of its surface area.[1]It is a vital component for all known forms of life and is the aquatic habitat for thousands of species of microalgae, fish and shellfish. [2] With the presence of running water in our ...


    By Arizona Instrument LLC

  • Effects of operation conditions on removal rate constant and quantum yield of gaseous chlorobenzene degradation in a photochemical reactor

    A photochemical reactor with a low-pressure mercury ultraviolet (UV) lamp was established to treat waste gas containing chlorobenzene. Operation conditions such as light intensity, gas humidity, and inlet chlorobenzene concentration were varied. Two significant parameters, the removal rate constant and the quantum yield (relating to removal kinetic and light energy utilization), were investigated ...

  • Column studies to determine mercury settling in road runoff

    A study was performed using a settling column to remove mercury (Hg) from road runoff. The emphasis was placed on the relationship between Hg removal and critical settling velocities, as well as the distribution of total suspended solids (TSS). The impact of rainfall characteristics and temperature on Hg removal was also discussed. Results indicated that Hg removal was significant within the ...


    By IWA Publishing

  • Biosorption of inorganic mercury onto marine alga Sargassum tenerrimum: batch and column studies

    The potential of Sargassum tenerrimmum algal biomass to remove Hg (II) from aqueous solution is investigated through batch experiments with regard to the influence of solution pH, adsorbent dosage and agitation rate. The algal biomass showed increased sorption capacity with increase in solution pH in the range of 4-7 with the maximum uptake of 3 mmolg−1 at pH 7. For maximum uptake, the optimal ...


    By Inderscience Publishers

  • Removal of lead and chromium from aqueous solution by bacillus circulans biofilm

    Contamination of the aquatic environment by heavy metals is a worldwide environmental problem. The pollutants of serious concern include lead, chromium, mercury, uranium, selenium, zinc, arsenic, cadmium, gold, silver, copper and nickel, due to their arcinogenic and mutagenic nature (Leung et al., 2000). Many industries such as coating, automotive, aeronautical, steel, textile dyeing, leather ...


    By University of Tehran

  • Wet Flue Gas Desulfurization System

    Installing the optimum wet flue gas desulfurization technology, B&V Energy is bringing superior multi-pollutant removal technology to the North American utility marketplace. To help make a positive impact on the global environment and to comply with the Clean Air Interstate and Clean Air Mercury Rules, Dayton Power & Light needed to remain in compliance as more stringent air quality ...


    By Black & Veatch Corporation

  • Evaluation of airborne heavy metal pollution from European sources

    An improved MSC-East model for the evaluation of the atmospheric concentration and deposition of heavy metals in Europe and adjoining regions is described. At present, modelling of lead, zinc, arsenic, cadmium and mercury concentrations is carried out within the EMEP grid. At the same time, MSC East performs model calculations within the whole northern hemisphere to the north of 20°N. Each ...


    By Inderscience Publishers

  • Emission Testing and Monitoring

    Presented in Track B4: EMISSION TESTING & MONITORING at EUEC 2011, January 31 Phoenix, Arizona B4.1  | Update on PM2.5 and Condensable Particulate Matter Emissions Measurement Methods Larry Hottenstein |  Partner, Environmental Resources Management Following the promulgation of the PM2.5 ...

  • Difficult Complex Decisions For Coal-fired Power Plant Operators

    Changing fuel prices, government regulations and technology all combine to make decision making difficult for operators and developers of coal-fired power generation facilities around the world. Power plant designers in developing countries face new local environmental regulations plus additional requirements stipulated by lenders such as the World Bank. In the developed world, the regulations ...


    By The McIlvaine Company

  • Adsorption characteristics of ammonium exchange by zeolite and the optimal application in the tertiary treatment of coking wastewater using response surface methodology

    Natural zeolite is a favorable NH4+-ion exchanger in the tertiary wastewater treatment. In this study, a natural Chinese zeolite was anatomized using the mercury injection method, X-ray diffraction, and scanning electron micrographs. The kinetic process of ammonium adsorption onto the zeolite was best described by the pseudo second order model; the adsorption equilibrium data ...


    By IWA Publishing

  • Activated carbon mat utilized in subaqueous cap on major superfund site case study

    Project: Stryker Bay Location: Duluth, MN Products: GAC Reactive Core Mat® (GAC = Granular Activated Carbon) Background: Stryker Bay was heavily polluted from the late 1800s through 1962. The harbor area was ringed with tar and coke plants, heavy industry and slaughterhouses that all discharged industrial waste into the ...


    By CETCO

  • Properties and Behavior of Inorganics in Contaminated Soil

    Often, specific technologies may be ruled out, or the list of potential technologies may be immediately narrowed, on the basis of the presence or absence of one or more of the chemical groups. The relative amounts of each may tend to favor certain technologies. Metals may be found in the elemental form, but more often they are found as salts mixed in the soil. At the present time, treatment ...

  • Recycling Fluorescent Lamps: It Can Be Affordable and Easy

    Environmental threat and EPA regulations require fluorescent lamp recycling. New methodology greatly simplifies the process and reduces expense Does your facility have fluorescent lights? Because they contain mercury, spent fluorescent lamps increasingly cannot be trashed in dumpsters as a solid waste. This is a major challenge for facilities across the country since nearly every ...


    By Air Cycle Corporation

  • Project profile - Yucca Mountain project, Nevada arsenic treatment system

    Background Wells J-12 and J-13 are located in Area 25 of the Nevada Test Site near Mercury, Nevada. These wells supply potable water for the Yucca Mountain Project. Water-quality analyses revealed that arsenic concentrations exceeded the new maximum contaminant level (MCL). Before choosing a technology, the site manager, Bechtel SAIC, contracted with Dr. Dennis A. Clifford, ...

  • A Better Mousetrap: High-Efficiency Halogen Lamps Are a Superior Energy-Efficient Lighting Solution for Existing Recessed Downlights

    For many homeowners, especially those with children, the kitchen is the most lived-in room in the house. It's a gathering place, a workspace, a study area, an entertainment venue and of course, a room in which to enjoy meals together. Thus, it's not uncommon for kitchen lights to be switched on for four or more hours per day. This presents a legitimate opportunity to save money and reduce air ...


    By GreenPoma.com

  • Cementing the PC MACT

    On September 9, 2010, the U.S. EPA promulgated the final amendments to the National Emissions Standard for Hazardous Air Pollutants from Portland Cement Manufacturing Industry (40 CFR 63 Subpart LLL), also known as the PC MACT. EPA’s self-proclaimed “historic” rulemaking includes some important implications for cement manufacturers and other sources that may be subject to ...


    By Trinity Consultants

  • WESPS continue to deliver

    Compliance with the increasingly stringent air pollution regulations of recent years is not the only reason forwardthinking industry leaders are adopting more sophisticated gas cleaning and air pollution control strategies. The desire to achieve higher performance efficiencies, control costs in a competitive marketplace, and stay ahead of the regulatory compliance curve is another driver of ...


    By Beltran Technologies, Inc.

  • Phosphate Fertilizer Plants Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • Groundwater: Low-flow Purging and Sampling

    Significant timesavings, improved sample process integrity, quality assurance and minimal quantities of potentially contaminated purge water to manage - are attractive as the focus on groundwater quality sharpens and economics demand best cost-benefit based methods Water has become a vitally important resource.  Maintaining its quality and quantity and avoiding pollution are set to be ...


    By Geotech

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