Odor Monitoring Articles

  • Measuring Gases to Support Effective Odour Control Case Study

    Gas Data Ltd supplies a number of its Click! System gas analysers to Taytech, specialists in innovative and effective odour control techniques. Taytech provide a range of products, services and technical support to a varied customer base both municipal and industrial in aquaculture, quarrying, distilling and food and beverage ...


    By Gas Data Ltd

  • Case Study: Odor Abatement Solutions

    Odor issues related to industrial processes are not uncommon.  An odor is caused by one or more volatilized organic compounds (VOCs) that humans can perceive by the sense of smell.  The challenge is that “odor is subjective, and what is sweet to some, can be a nuisance to others.   In most cases the ...

  • Development of on-line and field dual TD-GC-FID/MS for automatic and continuous Volatile Organic Compounds (VOCs) ambient air and odour monitoring

    Ambient air is polluted by many Volatile Organic Compounds (VOCs) coming from anthropogenic and natural sources. VOCs from PAMS, TO14 and TO15 lists can be measured in many ranges of concentration, from ng/m3 up to mg/m3 depending on the location of the measurements. Due to the large number of molecules, the complete separation of all compounds is difficult to perform using chromatographic ...


    By Chromatotec Group

  • Odorous compounds monitoring, olfactometry, human noses? Which option should you choose?

    Odors are very distinct air contaminants as they generate nuisances and can affect nearby residents. The factors playing a role in the determination of odor annoyance are: odor concentration and intensity, frequency, appreciation, duration and location. Several solutions are available as sensory approach (dynamic olfactometry), sensor technologies (portable sensors, electronic noses, etc.). In ...


    By Chromatotec Group

  • Metrology and on-line gas chromatography on sulfur compounds in natural gas

    Introduction With increased scrutiny and regulation on Natural Gas (NG) pipeline operators and distribution companies to accurately measure, odorize and report sulphur levels in the product the need is greater than ever for a precise way to perform the measurement. The on-going development of Gas Chromatographs (GC) with sulfur specific detectors, coupled with an increased need for ...


    By Chromatotec Group

  • Development of on-line and field dual TD-GC-FID/MS for automatic and continuous ambient air and odor monitoring

    Ambient air is polluted by many Volatile Organic Compounds (VOCs) coming from anthropogenic and natural sources. VOCs from PAMS, T014 and T015 lists can be measured in many ranges of concentration, from ng/m3 up to mg/m3 depending on the location of the measurements. Due to the large number of molecules, the complete separation of all compounds is difficult to perform using chromatographic ...


    By Chromatotec Group

  • High Rate Biological Odour Control System - Case Study

    About the Project Biorem has conducted a successful demonstration of high rate odour control at Preston Wastewater Treatment Plant in Cambridge, Ontario over the last three years. The system treats exhausts from primary clarifier and intermediate pump station. A combination of biotrickling filtration (BTF) and biofiltration (BF) processes was used in a novel horizontal flow ...


    By Biorem Technologies Inc.

  • Analyzer underpins growth of container inspection company - Case study

    After a career as a customs officer in the Netherlands, Wim van Tienen was well aware of the toxic gas hazards presented by some freight containers, so in 2009 he started a company, Van Tienen Milieuadvies B.V., offering gas analysis and safety advice. The company grew quickly and now employs 23 staff. Wim attributes a large part of this success to the advanced FTIR gas detection and ...


    By Gasmet Technologies Oy

  • Odour control: A successful experience in sorocaba city – Brazil

    Public concern over odours from sewage treatment facilities have been increasingly significantly in Brazil in recent years due to urban developments around existing plants or construction of new ones. The city of Sorocaba is an example where the expansion of the sewage collection and treatment system has increased and consequently more people have been exposed to bad odours. Due to this ...


    By IWA Publishing

  • Extended CSO control storage: what could possibly go wrong?

    The Thames Tideway Tunnel (TTT), is one of the main components of the London Tideway Improvements Programme, designed to capture combined sewer overflows (CSOs) which currently discharge untreated combined sewage into the tidal river Thames. CSO discharges would be stored in the tunnel until there is capacity at Beckton sewage treatment works (STW), to accept, for treatment, pumped sewage from ...


    By IWA Publishing

  • Release of hydrogen sulfide under intermittent flow conditions – the potential of simulation models

    For engineering purposes it is especially useful to be able to predict and control sewer corrosion rates and odor impacts as well as to design effective measures aiming to reduce effects related to hydrogen sulfide formation and release. Doing so, it is important to use modeling tools that are capable of assessing variations of dissolved oxygen, dissolved sulfide and hydrogen sulfide gas ...


    By IWA Publishing

  • Variations of odorous VOCs detected by different assessors via gas chromatography coupled with mass spectrometry and olfactory detection port (ODP) system

    Odorous volatile organic compounds (VOCs) were analysed via a thermal desorption gas chromatograph coupled with a mass spectrometer and olfactory detection port (TD-GC-MS/ODP) to characterize odour emissions from a wastewater treatment plant (WWTP). Three trained ODP assessors, screened according to the European dynamic olfactometry standard (EN: 13725), were used for the olfactory analysis. ...


    By IWA Publishing

  • A Hazardous Road to Success

    Chromatotec have established themselves in the Forefront of Sulphur Analysis in Hazardous Areas. Their latest Enhancement of their MEDOR range has Augmented their Rapid Rise in this Expanding Market. Most natural gas production and exploitation sites are considered to be hazardous area. This is certainly the case when it comes to Liquefied Petroleum Gases (LPG) sites. It is vital ...


    By Chromatotec Group

  • Nitro Beer Tastes Better

    If you've ever remarked on the smooth creaminess of a pint of Guinness, you've picked up on the key difference in its carbonation: Nitrogen rather than carbon dioxide. Such "nitro" beers have become a trend in recent years, with major U.S. breweries and small startups alike offering nitro products. Nitrogen keeps bitterness in check and balances out the hops to make drinkable craft brews, but it ...

  • Development of on-line and field dual TD-GC-FID/MS for automatic and continuous ambient air and odor monitoring

    Ambient air is polluted by many Volatile Organic Compounds (VOCs) coming from anthropogenic and natural sources. VOCs from PAMS, T014 and T015 lists can be measured in many ranges of concentration, from ng/m3 up to mg/m3 depending on the location of the measurements. Due to the large number of molecules, the complete separation of all compounds is difficult to perform using chromatographic ...


    By Chromatotec Group

  • The Benefits of Nitrogen and Carbon Dioxide for Food Processing

    The Benefits of Nitrogen and Carbon Dioxide for Food Processing A blend of gases -- carbon dioxide, oxygen, and nitrogen -- help preserve packaged food by reducing the amount of oxygen inside the sealed package. Gas flushing or Modified Atmosphere Packaging, as the process is called, also reduces the amount of processing that food must undergo. This preserves the quality and ...

  • Development of on-line and field dual TD-GC-FID/MS for automatic and continuous ambient air and odor monitoring

    Ambient air is polluted by many Volatile Organic Compounds (VOCs) coming from anthropogenic and natural sources. VOCs from PAMS, T014 and T015 lists can be measured in many ranges of concentration, from ng/m3 up to mg/m3 depending on the location of the measurements. Due to the large number of molecules, the complete separation of all compounds is difficult to perform using chromatographic ...


    By Chromatotec Group

  • Odour, how to measure?

    As Aerox we offer our clients sustainable solutions for industrial odour emissions. Together with our customers we solve the nuisance resulting from these emissions. We therefore also regularly get questions about odour, what exactly this is and how you can measure it. Measuring of smell The objective measuring of odour is not easy. Odour in itself is a very complex matter to ...


    By Aerox B.V.

  • Methods for controlling stored urine odor in resource-oriented sanitation

    Urine odor is a major challenge in the development of resource-oriented sanitation (ROS). One common solution to overcome odor issues is to use energy-consuming ventilation practices. However, historically ancient Koreans practiced separation of urine and feces, followed by the collection and utilization of gathered sanitary matters. Furthermore, ancient Persians developed solutions to urine ...


    By IWA Publishing

  • Black-odor water analysis and heavy metal distribution of Yitong River in Northeast China

    The black-odor mechanism of Yitong River was analyzed based on survey and monitoring results. We found that organic matter is the main pollution source of Yitong River and its tributaries. A black-odor evaluation model that can describe the pollution of the Yitong River water system was developed, and this model has the parameters I = 0.21 [CODCr] + 0.18 ...


    By IWA Publishing

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