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ammonia concentration Applications

  • radiello™ Passive Sampler as a Tool for the Measurement of Atmospheric Ammonia Concentrations and Dry Deposition

    The radiello ammonia sampler impregnated with phosphoric acid represents a low-cost, reliable and simple tool for assessing the atmospheric deposition of ammonia at parts per billion (ppb) concentration levels.

    By MilliporeSigma based in Bellefonte, PENNSYLVANIA (USA).

  • Integrated real-time gas analysis solution for moisture in ammonia industry

    The highest purity of ammonia is a requisite chemical gas for the production of flat panel displays and for LEDs; the purity issue is one of achieving moisture levels at the ppb level, as in the case of epitaxial reactor applications. However, the problem requiring a solution derives in part from the fact that the FTIR spectra for moisture and ammonia overlap to the degree that the moisture peaks are masked by the ammonia peaks at high concentrations. As a result the moisture peaks cannot be used for quantitative concentration measurements.

    By CIC Photonics, Inc. based in Albuquerque, NEW MEXICO (USA).

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    NH3 Monitoring in Air

    NH3 (Ammonia) is a colorless gas with a distinctive pungent smell. Ammonia monitoring is essential in coal-fired power plants, where NH3 is used to reduce NOx emissions. The ammonia consumes all of the NOx, but its high concentration that is needed for these purposes also starts reacting with other things and in the process can clog up filters and cause premature failure of expensive SCR equipment and pre-heaters. Not to mention that these high levels create an irreparable damage to the environment.

    By Unisearch Associates Inc. based in Concord, ONTARIO (CANADA).

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    Determination of cations in beverages

    The method enables fast determination of inorganic cations (sodium, potassium, calcium, and magnesium) in the samples of juices, beer, wines, brandies, brandy alcohols, and raw materials by capillary electrophoresis. 

    The method for evaluation of cations concentration is based on differential migration and separation of cations in electric field due to the difference in their electrophoretic mobility. Identification and quantitative determination of the analyzed cations is performed by indirect detection measuring UV absorption at 254 nm (for “CAPEL® -103RT/104T” systems) or 267 nm (for “CAPEL® -105/105M” systems) wavelength. 

    The determination is not hindered by the presence of anions of ammonia, lithium, strontuim, barium, manganese, ferrum (II) in the quantities that are typical for the analyzed drinks. 

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of organic acids in beverages

    The method allows determination of organic acids, in soft drinks (juices, fizz drinks) and alcoholic drinks (wines, beer). 

    The capillary electrophoresis method for evaluation of cations concentration is based on differential migration and separation of cations in electric field due to the difference in their electrophoretic mobility. Identification and quantitative determination of the analyzed cations is performed by indirect detection measuring UV absorption at 254 nm (for “CAPEL® -103RT/104T” systems) or 267 nm (for “CAPEL® -105/105M” systems) wavelength.

    The determination is not hindered by the presence of anions of ammonia, lithium, strontuim, barium, manganese, ferrum (II) in the quantities that are typical for the analyzed drinks. 

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

  • Odour Monitoring

    Measurement of odours from pulp & paper, feedlots and natural sources is challenging and requires careful selection of instrumentation. Ecotech offers a complete monitoring solution designed for this application. Odours are one of the most common sources of air pollution complaints and may be due to a wide variety of sources from rotting vegetation, animal feedlots, pulp and paper manufacturing, sewerage treatment facilities etc. The measurement of odours is extremely difficult due to the variety of sources of odour and the often very low ppb concentrations that produce odour. However, some industries and applications have a known source of odour resulting from compounds such as mercaptans, hydrogen sulphide, ammonia, typically from industries such as pulp and paper manufacturing, fertiliser production or natural sources such as rotting vegetation. Ecotech is able to offer extremely sensitive instrumentation and systems that enables the low ppb monitoring of these species down to 1 ppb, fully integrated with our data evaluation and reporting software.

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • landfill leachate treatment

    1.Leachate Main Features: (1)High concentration of organic matter. (2)High salt content; (3)High ammonia and nitrogen content. (4)C/N/P Microorganism nutrition ratio disorders. The water quality, volume and temperature will also change, and the heavy metal content is complicated. 2.Special reverse osmosis membrane technology Features : 1)Super NF/RO High Anti-fouling Membrane is not easy clogged, and the system is with good stability. Not affected by the effect of biochemical treatment . Longer service life 2) Super NF/RO High Recovery Rate The operating pressure of Super NF/RO is higher, and with higher recovery rate up to 90-95%. It will yield less concentrated water and reduce the concentrated water treating cost. 3) Concentrated water evaporation treatment Thoroughly solve the problem of pollutant enrichment caused by concentrated water reuse, so that the biochemical system and membrane system can maintain long-term and efficient operation

    By Chengdu Meifute Membrane Technology Co., Ltd based in Chengdu city, CHINA.

  • Landfill Leachate Treatment

    Effluents from waste (leachate) are highly polluted and must be treated efficiently before they can be discharged into a municipal sewage plant or a local watercourse. Conventional treatment technologies do not suffice. Chemical processes are not economic due to the high pH buffer capacity of the leachate. Hardness and chlorides in the leachate are a problem for many plant components. Besides, process knowhow and operating experience are indispensable for an effective elimination of the harmful ammonia nitrogen. Certain processes also produce residues such as concentrates, which must be removed from the landfill body. This disposal is very expensive. WEHRLE is a reliable and experienced plant constructor for those applications. The first leachate treatment plants were built in 1991 and have been in constant operation ever since. This is not only proof of excellent technology but also for sustainable efficiency with stable, predictable, low operation costs.

    By WEHRLE Umwelt GmbH based in Emmendingen, GERMANY.

  • Continuous Monitoring of Nitrates and Other Water Quality Parameters

    Nitrate is one of the most important parameters in assessing surface and ground water quality. Nitrates are naturally present in surface and ground waters in low concentrations, but are harmful to humans and livestock and cause aquatic ecosystem degradation in high concentrations. Nitrates enter the environment as human-induced pollution from a variety of sources, but the largest source is from agricultural fertilizer runoff . Other sources include wastewater treatment discharge, septic systems, and from pet waste. Nitrate is highly soluble in water and therefore readily leaches into water sources, whereas other human associated pollutants, such as phosphates and ammonia, are not transported as easily. This ability to be quickly transported into ground and natural waters such as drinking water wells, aquifers, reservoirs, lakes, and streams, coupled with its health and environmental implications make nitrate pollution and monitoring of major concern.

    By Hanna Instruments, Inc based in Woonsocket, RHODE ISLAND (USA).

  • Waste water respirometry solutions for toxicity based consents

    Water companies, water authorities or publicly-owned treatment works (POTW) need to have some knowledge of the composition of the wastes they it receive. In addition to testing for ammonia and BOD or COD levels, treatment works can license industrial discharges on the basis of concentrations of some of the known toxic compounds. However, it is recognised that very many non-regulated toxic materials still enter the treatment works and reduce the efficiency of biodegradation, and may cause toxic shock. The way is now open for more widespread use of direct toxicity tests as a basis for toxicity-based consents. Samples of the industrial effluent are collected at source, for testing on the actual bacteria of the receiving activated sludge. The tests used are the Respiration Inhibition Test and the Nitrification Inhibition Test. Note that this approach mirrors that of the regulators of discharges to receiving waters, who are now using direct toxicity tests (DTA) or whole effluent toxicity tests (WET tests) in order to protect the receiving environment.

    By Strathkelvin Instruments Ltd. based in North Lanarkshire, UNITED KINGDOM.

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