Silencers Articles

  • Innova`s race against time; the sonic mystery

    What began as a puzzling mystery in the semi-arid scrub-land of Colorado, ended as a race against time for the acoustic specialists of INNOVA (formerly ATCO Noise Management). The Olathe Compression Station, operated by Kinder Morgan’s TransColorado Gas Transmission, is located on a plateau in isolated, canyon-cut Colorado countryside, three km from the nearest ...


    By Innova Global Limited.

  • Bernaraby Landfill Power Plant - Case Study

    Clarke Energy has been contracted to supply and deliver one of GE's Jenbacher 1MWe containerised gas engine to LGI (Landfill Gas Industries Pty. Ltd.) for their new landfill gas power station project at Bernaraby, Queensland, Australia which will be operational in 2016. Generation Capacity The high efficiency ...


    By Clarke Energy

  • How to manage Silence? A large scale noise management system

    Abstract Silence is the main noise management system for the Dutch highways and is used by the Dutch Ministry of Transport. The Silence system comprises IT infrastructure, environmental data, noise management software, an organisation, procedures and maintenance. Typical noise management system tasks involve data management, setup noise management software, software customisation, ...


    By Softnoise GmbH

  • Experiences in development and maintenance of Silence-GIS

    Abstract Silence-GIS is a larse scale noise management system build as an extension on ArcGIS 9.3.1. This system has been designed and developed for the Dutch Highway Authorities. The aim of the system is to support decisions on Dutch and European noise policy and to predict the effect of future measures on the noise exposure of the population in The Netherlands. The information needed to ...


    By Softnoise GmbH

  • The Silence of the Lambs – Invictus Case Study

    The sound of new-born lambs bleating is something that most people would be happy to wake up to on a Spring morning – or perhaps not? Noise consultant Louise Alderson, had the unusual assignment of monitoring noise levels from baby lambs and their mothers on a farm in Cumbria following a planning application to build a housing development on nearby fields – owned by the same ...


    By Cirrus Environmental

  • Low cost fan noise attenuation in the power industry

    An article about the application of our Quiet Fan technology (QFt) to reduce the noise from large fans in the power industry has been published in Power Engineering International. The journalist suggests that the widespread adoption of the technology in this industry could reduce both capital and running costs very substantially ...

  • Satisfying super-sensitive complainants with psychological silencing

    If you play white noise to a group of people and tell them that the song “White Christmas” is hidden in the sound, about 30% of them will be convinced that they can hear it. The human mind is always looking for patterns – even when they aren’t there. This propensity explains a significant proportion of complaints where noise levels are actually very low (they can be close ...

  • Record breaking formula one fan noise control

    Problem: an extract system fan drone creating a potential environmental noise problem. Solution: aerodynamic engineering instead of silencers – in keeping with the Red Bull Technology ethos. The conventional technique used to reduce fan tones like this is a silencer – a large, palliative silencer that doesn’t tackle the source of the ...

  • Fort Dix combined maintenance facility features Monoxivent source capture systems

    Job Name: Fort Dix Combined Maintenance Facility Location: Fort Dix, NJ Monoxivent Representative: Effective Controls East, Larry Frantz Summary: Effective Controls East, an authorized Monoxivent representative, was awarded the opportunity to provide motorized retractable hose reels, exhaust fans, and all necessary ...


    By Monoxivent

  • Ros Roca brings silence to the refuse industry

    Increasing demands for higher productivity, lower noise and reduced emissions call for totally new approaches when it comes to designing Refuse Trucks. Manufacturers and fleet operators are already under extreme pressure to reduce fuel consumption and CO2 emission. Partly driven by new legislation including CO2 penalty, partly driven by increasing fuel prices and partly driven by the constantly ...


    By Ros Roca Environment

  • Silence is Golden

    Modern living incurs much unwanted and disruptive noise – automobiles, trains, airplanes, jackhammers, sirens, loud speakers – occurring all around us every day. These intrusive sounds seep through walls and windows, entering our homes and businesses to join other distracting noises – humming light fixtures, air conditioners, ringing phones and loud talking. Fortunately, governments have ...


    By SoundPLAN International LLC

  • Catalytic Silencers for Gas Compressor Site

    Description Gas compressor stations near Bakersfield, California. Compressor packages running with Waukesha 7042GSI natural gas fuel, rich burn engines. Challenge Universal Compression required meeting very stringent San Joaquin Valley Air Quality Management District standards for NOx, CO and volatile organic compounds. Solution DCL supplied three catalytic silencers, ...


    By DCL International Inc.

  • Selected Literature from Johnson Matthey`s Environmental Catalysts and Technologies Division

    SSEC Literature: High Temperature SCR Zeolite Catalyst for NOx Control / SCR Catalyst for NOx Control Stationary Lean Burn Engines / SCR Systems for NOx Control Stationary Lean Burn Engines / Gas Turbine Oxidation Catalyst for the control of CO and VOCs / Oxidation Catalysts for the Control of CO, VOC, HC / BanditoTM - Modular Catalytic Converter for the Control of NOx, CO and THC / Band-ItTM - ...

  • Molecular mechanisms of gene silencing mediated by DNA methylation

    DNA methylation and chromatin modification operate along a common pathway to repress transcription; accordingly, several experiments demonstrate that the effects of DNA methylation can spread in cis and do not require promoter modification. In order to investigate the molecular details of the inhibitory effect of methylation, we microinjected into Xenopus oocytes a series of constructs containing ...

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