h2s analyser Articles

  • Static gas analyser at United Utilities case study

    About the customer United Utilities, Lancaster, England Equipment GA3000 Location United Kingdom Customer United Utilities Requirement The customer required its own precise, detailed and accurate recording of the concentrations of methane (CH4), carbon ...


    By Geotech

  • The importance of maintaining your fixed gas analyser

    Plant technicians rigorously check for contaminates within the digester and ensure that the performance is optimised but maintaining the gas analyser monitoring the whole process is often overlooked.  Many analysers are used in harsh and potentially explosive environments and so it is of paramount importance that the operation runs smoothly and safely. With simple maintenance of your ...


    By Geotech

  • Silent sentinel role for static gas analyser at United Utilities

    Biogas produced by the United Utilities anaerobic digestion sludge plant at Lancaster (Stodday) waste water-treatment runs a brand new 525kW combined heat and power (CHP) engine generating electricity and now operating 24/7. It joins an existing 325kW engine already in service for three years. In addition to biogas from the Stodday mesophilic anaerobic digester, a new enzymic hydrolyser increases ...


    By Geotech

  • Multiple gas impurity analyses and verification for semiconductor process tools

    With the increased emphasis on the purity of cleaning, etching and treatment gases by the semiconductor industry, advanced analysis instrumentation is required to monitor the electronic specialty gases and to verify the performance of process tools and components. This paper describes new instrumentation and software specifically designed to accomplish ppb level gas analyses in times as short as ...


    By CIC Photonics, Inc.

  • Case study - Geotech’s first GA5000 landfill gas analyser takes 100,000 readings for SUEZ environnement

    Geotech’s first GA5000 analyser, manufactured three years ago, was recently spotted in the company’s calibration rig.  This portable landfill gas monitor was the first production unit of the newly launched GA5000 gas analyser range and has prompted Geotech to look into the analyser’s life since then. The analyser was on its sixth service since manufacture, under ...


    By Geotech

  • Case study - Future Biogas choose the BIOGAS 5000 and GA3000

    About the customer Future Biogas, Guildford, England specialises in the construction and operation of biogas plants for the UK. Equipment BIOGAS 5000 portable biogas analyser and GA3000 fixed biogas analyser for Anaerobic digestion (crop digestion). It was vital for the customer to know and monitor the CH4, O2 and H2S levels on an ongoing basis; ...


    By Geotech

  • Easy payback from biogas monitoring

    There is a strong business case for biogas monitoring and CHP protection. A fixed biogas analyser may cost some £6-10,000 and monitor gas every few minutes day and night. By comparison it can save its own cost many times over by protecting CHP engines from expensive unplanned downtime, biogas engine ...


    By Geotech

  • Biogas from Cassava in Vietnam case study

    Application Waste water from cassava Equipment AEMS Location Vietnam Customer Solvay Requirement An AEMS fixed biogas analyser was needed to monitor CH4, CO2, O2 ...


    By Geotech

  • Measuring gases in AD and landfill – Which is the right product for your application?

    With over 30 years' experience in the landfill and biogas sector, Geotech is synonymous with gas analysis, supplying monitoring equipment to over half of the UK biogas and landfill market, with a further 4000 portable gas analysers sold throughout the world.  Geotech's product portfolio is tailored to satisfy a multitude of environmental monitoring requirements; our clients tell us the ...


    By Geotech

  • Preliminary studies of lignocellulosics and waste fuels for fixed bed gasification

    This study was carried out to understand the decomposition behaviour of a range of biofuel and waste feedstock during gasification in a downdraft gasifier. A laboratory scale large sample thermogravimetric analyser (LSTA) is used which allows the data on burn-out characteristics of different fuel particles to be measured under agitated conditions. The conditions chosen simulate the combustion ...


    By Inderscience Publishers

  • Biogas Check for biomethanol production case study

    Application Research into biomethanol production Equipment Biogas Check - now superseded by the BIOGAS 5000 Location Vietnam Customer Ho Chi Minh City University of ...


    By Geotech

  • Measuring gases in AD and landfill – Which is the right product for your application?

    With over 30 years' experience in the landfill and biogas sector, Geotech is synonymous with gas analysis, supplying monitoring equipment to over half of the UK biogas and landfill market, with a further 4000 portable gas analysers sold throughout the world.  Geotech's product portfolio is tailored to satisfy a multitude of environmental monitoring requirements; our clients tell us the ...


    By Geotech

  • Case study - Measuring gases in AD and landfill – which is the right product for your application

    With over 30 years’ experience in the landfill and biogas sector, Geotech is synonymous with gas analysis, supplying monitoring equipment to over half of the UK biogas and landfill market, with a further 4000 portable gas analysers sold throughout the world.  Geotech’s product portfolio is tailored to satisfy a multitude of environmental monitoring requirements; our clients tell ...


    By Geotech

  • AEMS signals methane concentration for Landfill Systems case study

    Application Landfill - power generation Equipment AEMS and GA3000 Location United Kingdom Customer Landfill Systems Requirement Landfill Systems needed a fixed gas analyser with telemtery for landfill gas power generation. ...


    By Geotech

  • Case study - Monitoring sewage sludge AD for Southern Water

    To check sludge AD, Southern Water uses portable biogas analysers specially developed for AD biogas and based on proven methane and associated gas analysis equipment from Geotech. Southern Water has an important routine; every single day it checks the health of its sewage sludge anaerobic digesters on eighteen sites across Hampshire, IoW, Sussex and Kent. There, each day Southern Water ...


    By Geotech

  • Danger and Detection of Hydrogen Sulphide Gas in Oil and Gas Exploration and Production

    A rig worker smells rotten eggs near the well head, rubs his itchy eyes as he investigates the frosty pipe connections. After a few moments, he believes all is fine as he no longer smells the tell-tale hydrogen sulphide odour. In this scenario, we can only hope the worker recognises the danger and quickly leaves the site. Oil fields, especially mature ones, can produce hydrogen sulphide gas ...

  • Low temperature steam reforming of bio-ethanol over Ni%CuO-2O3 catalysts

    Various loadings of Ni (5-20wt%) supported on CuO-Al2O3 mixed oxide catalysts has been explored for the low temperature steam reforming of bio-ethanol. It has been found that 10wt%Ni/CuO-Al2O3 catalyst showed relatively high ethanol conversion as well as selectivity towards H2 (∼74%) compared to other catalysts. The better performance of the 10wt%Ni/CuO-Al2O3 is explained based on the ...


    By Inderscience Publishers

  • Continuous biogas monitoring with AEMS in South Korea

    Application Biogas research projects Equipment AEMS biogas analyser Location South Korea Customer KEPCO Research Institute Requirement The customer ...


    By Geotech

  • Continuous AD monitoring for McCain`s CHP case study

    Application Anaerobic digestion Equipment AEMS Location Whittlesey, United Kingdom Customer McCain Foods Requirement McCain Foods corporate affairs director, Bill Bartlett said, “The Geotech static gas analyser is here to analyse gas quality as it is ...


    By Geotech

  • Case study - Monitoring landfill gas

    Infrared absorption Infrared absorption is usually the preferred method for measuring methane and carbon dioxide. Most gases absorb radiation in the infrared region. The wavelength of radiation that is absorbed is determined by the natural vibration frequencies of the molecule. These natural frequencies will depend on several factors. Thus different gas molecules have different natural ...


    By Geotech

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