Health and Safety - UK Focus xv Provectus Chooses PID for Humidity Resistant and Anti-Contamination Design


Contaminated land remediation specialist, Provectus Remediation Ltd has replaced an old photoionisation detector (PID) with a well proven Tiger handheld volatile organic compound (VOC) monitor from Ion Science. The high performance instrument was chosen by the Essex-based company for its MiniPID sensor’s humidity resistance and anti- contamination design. Provectus Remediation Ltd has been providing turnkey contaminated land remediation solutions to the regeneration industry for over 25 years. This has included the first use of in-situ thermal desorption in Europe, fixed price remediation and enabling works as well as insurance backed risk transfer packages and innovative funding solutions.


Supplied via Ion Science’s distributor, Shawcity, Provectus is using the Tiger PID to indicate VOC concentrations in contaminated ground during investigations, trials and treatment. The instrument is occasionally used to check occupational exposure on very contaminated sites. The Tiger is also used to calculate total mass loading in organic vapour extraction systems when combined with regular lab analysis. It is typically used by Provectus to take between 10 and 20 measurements per day.


Simon Dockerty, Process and Systems Manager at Provectus comments: “After many years of use, we needed to replace an older PID that had started to become unreliable and uneconomic to maintain. Having used Ion Science instruments before, I was familiar with their quality design and ease of use.


“As well as accuracy and simplicity, we chose the Tiger for its excellent lamp technology. Given that the instrument is used to monitor heaps of soil and boreholes in the middle of muddy fields, a robust and reliable lamp is very important.”


Providing market-leading accuracy and run time, the Tiger’s PID sensor utilises advanced patented Fence Electrode technology, a three-electrode format with increased resistance to humidity (up to 99% RH) and contamination. This maximises accuracy and dependability by removing high backgrounds and false-positives in high-humidity environments. The anti-contamination design also reduces calibration frequency.


The Tiger incorporates the recently released MiniPID2 sensor which offers a raft of benefits to instrument performance, including improved temperature stability, greater sensor-to-sensor consistency and more repeatable performance. Other advantages of the MiniPID2 are lower running current, robust lamp illumination and more reliable operation at extreme temperatures. It gives stability, control and reliability benefits that are unavailable in other PID designs. Extremely simple to set up, the Tiger is designed for rapid detection, with an unrivalled response time of just two seconds, and the widest measurement range of one part per billion (ppb) to 20,000 parts per million (ppm)*.


It offers worldwide Intrinsic Safety (IS) certification and also meets ATEX, IECEx, North American and Canadian standards. Inexpensive disposable parts such as filters and lamps are easy to change, minimising downtime. Simple connectivity to a PC via the USB allows data to be downloaded quickly.


“As expected, the Tiger PID has proved robust, reliable and easy to use. The service provided by Ion Science and its distributor has also been excellent,” Simon concludes. 41979pr@reply-direct.com


Ensuring Quality and Consistency in Biogas Across Multiple AD Plants Qila Energy is a British engineering


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company who build Anaerobic Digestion (AD) plants throughout the British Isles. Their revolutionary two- stage process drastically reduces the time required to produce high quality biogas from varied feedstocks.


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Qila Energy is an industry leader of the UK’s farm-based AD industry producing high quality biogas that can be converted into electricity and injected into the National Grid.


All Qila Energy plants have been constructed to be flexible and cost effective, for use with a wide range of feedstocks, including cost effective materials such as manure and straw, for a sustainable, long term additional income.


Due to the nature and magnitude of its market-leading operations, it is crucial that Qila Energy’s supply partners demonstrate product innovation, state-of-the-art data analysis solutions and outstanding levels of customer service. Most importantly they must be able to resolve any issues as quickly as possible in order to minimise downtime and revenue loss.


In October 2014, Qila Energy began installing Geotech’s fixed gas analyser, the GA3000 PLUS* in 12 AD plants across the UK. This enabled Qila Energy to take advantage of the analyser’s robust nature to monitor CH4, CO2 and O2 levels with the additional option to measure H2S, H2 and CO.


The use of Geotech’s GA3000 PLUS was further complemented by Geotech’s portable gas analyser the BIOGAS 5000, which enabled Qila Energy to enjoy continuous quality analysis and reporting through its consistent and reliable collection of data. Easy to use, calibrate and configure, the BIOGAS 5000 continues to support the efficiency of Qila Energy’s fermentation process, ultimately providing the company with insights that enables it to change gas levels for optimum performance.


The system is designed to avoid unnecessary operational downtime as operators can easily install a temporary replacement analyser during servicing with the Geotech ‘hot swap’ service. This ensures a consistent, high level of productivity while maintaining equipment to the highest standard.


Mick Barker, Head of Operations at Qila Energy said: “Geotech provides the best gas analysis equipment that adheres to the highest certification standards, and we have enjoyed quick response and excellent service from its technical and customer service teams.”


He continues: “The best part about using Geotech’s analysers is that they offer the ability to have our equipment serviced off site as they provide a temporary unit ‘hot swap’ in the interim. For us this is the most appealing part of our partnership as it ensures we have continuity on site.”


Qila Energy recorded immediate results upon installing the BIOGAS 5000, rectifying previous issues with its former gas analysis equipment, which wasn’t displaying the required results. Furthermore, the results achieved have strengthened Qila Energy’s confidence of reaching its 92% full load target.


The consistent monitoring and accurate analysis provided by the BIOGAS 5000 and GA3000 PLUS show that Qila Energy’s plants are running within its desired parameters.


Qila Energy has exciting plans for expansion within which Geotech analysers will play an instrumental role.


“We are very happy with the results we have achieved with Geotech thus far. Therefore, we will be using their analysers on all our future projects,” Mick concluded.


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For More Info, email: 41746pr@reply-direct.com Unique Dust Monitors for Any Application


The latest TSI SidePak Personal Aerosol Monitors have been added to the Ashtead Technology range of particulate matter (PM) monitors. “We were so impressed with the unique features of these instruments, that we immediately added them to both our rental and sales portfolios,” says Ashtead’s Regional Sales Manager Josh Thomas. “Many occupational exposure applications are potentially explosive and require intrinsically safe (IS) instruments, so we foresee a strong demand for the SidePak AM520i, especially because it also takes measurements for a number of key PM fractions, including Diesel Particulate Matter (DPM).”


DPM has long been a concern in underground and confined space applications where diesel engines represent an air quality threat to staff. However, the effects of traffic pollution are now better understood and in the UK for example, over 29,000 premature deaths per year have been attributed to airborne PM; much of which is derived from diesel engines. “The increased number of PM fractions that the AM520i is able to measure, coupled with its portability, logging capability and IS certification makes this an extremely flexible instrument – ideal for an enormous variety of applications including planning and development projects, foundries, construction, chemical plants, refineries, petrochemical, power and utilities, aerospace, maritime, mining and studies on exposure to vehicle pollution,” Josh adds.


The AM520 is a small, portable, battery-powered, data-logging, light-scattering laser photometer that provides real-time aerosol mass concentration readings of dusts, fumes, mists, smoke and fog within the breathing zones of workers. Newly designed inlet conditioners increase the mass concentration capability and provide size fraction cut points for PM10, PM4 (Respirable), PM5 (China Respirable), PM2.5, PM1 and 0.8µm Diesel Particulate Matter (DPM).


Explaining the advantages of real-time monitoring, Josh says: “Immediate readings improve safety and avoid the delays, hassle, consumables and costs involved with the collection of samples for laboratory gravimetric analysis.”


Weighing just 620g, with audio and visual alarms, the AM520 can be worn on a user’s belt with an inlet tube sampling close to the breathing zone. Impressively, it is able to operate on internal rechargeable batteries for up to 20 hours, which means that it can easily run for an entire shift. Warm up takes about one minute and a Zero Filter is provided for a daily calibration check.


Both the AM520 and the AM520i (IS version) are available for sale or rent - visit the website for more information on Ashtead’s extensive fleet of environmental monitoring equipment.


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Our range of noise and vibration monitors is second to none with both quality and technical excellence being at the core of the company’s philosophy.


7651ad@reply-direct.com www.envirotech-online.com IET March / April 2017


• Whole body human vibration • Hand-arm vibration • Noise at work • Environmental noise and vibration • Building acoustics • Noise nuisance


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