Exhaust Gas Articles

  • Invaded by Japanese Knotweed - Case Study

    Wolverhampton, UK Japanese Knotweed has been described by the Environment Agency as “indisputably the UK’s most aggressive, disruptive and invasive plant”. Client Overview Carillion is a leading British facilities management and construction services company. Their slogan is “making tomorrow a better place” which they ...

  • Combustion optimization by fast excess air control – Case Study

    Combustion is the conversion of primary chemical energy contained in fuels into heat through the process of oxidation at high temperatures. The oxygen required for the combustion is supplied as part of the combustion air that is fed to the process. In ideal (stoichiometric) combustion the amount of oxygen supplied to the process is just sufficient to burn all combustibles completely. In real ...

  • How can lead be so crucial, but also so toxic?

    Why is everyone talking about lead? Not long ago, like so many historic buildings in the UK, a local parish church near to where I live had the lead stolen from its roof.  Sadly, this is not so unusual and all the more distressing in this case, both because it holds special memories as the church where my wife and I were married, and also because the lead was stolen during heavy ...

  • Emission reduction methods and split fuel injection in a marine four-stroke engine

    Abstract The new emission legislation for sea-going vessels issued by the International Maritime Organization (IMO) requires drastic reduction in exhaust gas nitrogen oxides (NOX), and the combination of different primary methods can be an interesting solution without increasing remarkably the machinery. In this paper, the Miller cycle and the dilution with exhaust gas ...


    By ECO PHYSICS AG

  • Why Are Spreadsheets Still Used in Fieldwork Management?

    Spreadsheet software doesn’t cost a lot to license. Sometimes it doesn’t even have a subscription fee. Because of this, and because of the industry’s familiarity with spreadsheet software, many companies are still trying to manage their entire portfolio of site data in Excel. Not matter how you slice it, getting up-to-date information to several different fieldwork teams - ...


    By Arkit

  • Possibilities of chromium (III) separation from acid solution using the double-carrier supported liquid membrane (DCSLM)

    This paper describes the problem of recovery and reusing chromium from aqueous solutions. The authors studied a novel double-carrier supported liquid membrane system (DCSLM) with di(2-ethylhexyl) phosphoric acid (D2EHPA) and bis(2,4,4-trimethyl) phosphinic acid (Cyanex272) as a carrier of Cr(III) ions as a method to separate chromium (III) from acid solutions. As a result, they confirmed that ...


    By IWA Publishing

  • Dual fuel turbocharged engine operated with exhaust gas recirculation

    Abstract With good combustion characteristics, hydrogen has been developing as a clean alternative fuel of engines. This study is to develop a diesel/hydrogen dual fuel engine. The hydrogen was added at inlet port in a 4-cylinder direct injection turbocharged diesel engine with an EGR (Exhaust Gas Recirculation) system to investigate engine performance and exhaust pollutant. The ...


    By ECO PHYSICS AG

  • Experimental method for marine engine’s emissions analysis

    Abstract The world is considering various solutions to reduce exhaust emissions, the use of alternative fuels and the development of more efficient marine engines. IMO the company gave guidance for future borders of individual exhaust components, taking into account a variety of applications and conditions for the operation of marine engines. Engine ...


    By ECO PHYSICS AG

  • AVA turbulence offers time saving and product protection - Case Study

    When pharmaceuticals have to be produced with as little solvent as possible and once all of the process-relevant options have been exhausted, there only remains the option of drying. This involves the acceptance of long, often very long drying times. Due to the loading of the dryer, the overall throughput capacity of the whole production plant is reduced. Even when the cycles are far shorter, ...


    By AVA GmbH u. Co. KG

  • Cereform - case study

    As part of the global AB Maury Group, Cereform is providing a comprehensive range of technical bakery ingredients like dough conditioners and softeners, bread mixes and concentrates, soya flours, cake mixes and concentrates, donut mixes and concentrates and toppings, fillings and icings. During the production of these products they have various dust producing processes. One of the processes ...


    By Western Air Ducts (UK) Ltd.

  • Optimizing the Slaking Process

    Poorly-slaked lime can have a major negative impact on lime consumption and the operating cost at an end-user’s site. The amount of lime used in the process is determined by a combination of slaking parameters. The optimisation of the slaking process will help drive operating costs down and also reduce CO2 emissions.  When the slaking of lime (ie, the conversion to calcium hydroxide ...


    By STT Enviro Corp

  • Case study - Seattle food processing plant naturally destroys odors while creating natural products

    Challenge: A food processing company in Seattle was experiencing odor problems while processing food scraps into a natural liquid fertilizer. The odors were coming from exhaust stacks during the final stages of fertilizer production. Located in an industrial/commercial area in close proximity to other facilities, the}' needed a solution to stop odor complaints from their neighbors. ...


    By OMI Industries (OMI)

  • LEV: What You Need to Know Before Selecting and Installing Dust Control Systems - White Paper

    Many processes in the production of drugs in the pharmaceutical industry produce significant quantities of dust which can cause serious health related problems to workers handling the materials. Additional problems of these operations are the loss of valuable material and the serious risk of cross contamination of drugs. Operations such as scooping, tablet processing, blending, milling, and tray ...


    By Kleissler P C, LLC

  • Thank You All for the Success of MEXA-7000

    The MEXA-ONE, our new Motor Exhaust Gas Analyzer launched in 2012, has become our core product superseding the MEXA-7000 with a surge in the number of shipments since the beginning of 2014. The MEXA-7000 had evolved continually over the nineteen years since its introduction in 1995 to respond to the significant changes that took place in emission regulations, types of fuel and new technology in ...


    By HORIBA Europe GmbH

  • An assessment of orthogonal defect classification and acceptance sampling in quality assurance

    There are several techniques for testing application software for quality assurance. One possible approach is to identify the most critical features of software, and place more emphasis on those, while putting less emphasis on the not-so-critical features. Another approach is to develop a statistical procedure for identifying which test cases to perform, without necessarily identifying which ...


    By Inderscience Publishers

  • EPSA Caserones Project case study

    EPSA is a company with more than 40 years of experience in earth moving projects around the world. As their operations in the mining industry continue to grow in Chile, EPSA needed to source infrastructure solutions to meet the challenging working conditions located 4200 meters above sea level at the top of the Andes mountain range. EPSA was looking at revamping operations at the Caserones ...

  • A three–dimensional CFD approach for prediction of noise reduction of mufflers without mean flow

    A CFD approach, in which the full equations are solved in the time domain, is proposed to calculate noise reduction of a cleaner and a complex exhaust muffler without mean flow. First, two modelling approaches are used to deal with the outlet boundary and to calculate noise reduction of the cleaner without a filter element. The calculated results agree quite well with measurements. Further, the ...


    By Inderscience Publishers

  • Investigation of environmental impact caused by aircraft engines

    The environmental effects of exhaust gas emissions from different types of spark ignitions (SIs) - naturally aspirated and air–cooled from piston–prop aircraft engines - at the landing and take–off (LTO) phase of flight–based operations are investigated in this study. The minimum natural resources effect was determined to be 1.37 MJ surplus energy/LTO in 320 in three cylinder displacement and ...


    By Inderscience Publishers

  • Removal of vehicle exhaust fumes at fire stations

    The challenge The fire brigade of Kassel (Germany) was looking for three new vehicle exhaust extraction systems. Systems that would remove exhaust fumes very effectively, protecting the fire fighters from hazardous diesel exhaust fumes. Other fire stations within the Kassel region were already provided with extraction systems. The fire brigade of Kassel choose for a fully ...


    By Plymovent Group BV

  • WHO report on diesel fumes puts sharp focus on need for effective monitoring

    The World Health Organisation this month reclassified the dangers of diesel exhaust fumes, upgrading the risk from probably carcinogenic to a definite cause of cancer. The WHO report is based on the findings of research on workers in high risk areas, and puts a sharp focus on the need for effective monitoring in industries such as mining, rail, transportation, construction, power generation and ...


    By Shawcity Limited

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