{"id":19041,"date":"2021-02-19T10:00:00","date_gmt":"2021-02-19T10:00:00","guid":{"rendered":"https:\/\/www.engineernewsnetwork.com\/blog\/?p=19041"},"modified":"2021-02-18T11:12:33","modified_gmt":"2021-02-18T11:12:33","slug":"water-analysis-system-highlights-water-treatment-improvements-for-power-station","status":"publish","type":"post","link":"https:\/\/www.engineernewsnetwork.com\/blog\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\/","title":{"rendered":"Water analysis system highlights water treatment improvements for power station"},"content":{"rendered":"\n

An analysis system trial at a water treatment plant in Ireland has demonstrated its ability to reduce downtime. The trial generated accurate, reliable results for detecting trace-level impurities and chlorine with B\u00fcrkert\u2019s 8905 analysis system and sensors<\/a><\/strong>.\u00a0<\/p>\n\n\n\n

The results of the six-month trial by an environmental monitoring services company have provided confidence in the repeated accuracy of the data, now enabling investigation of wider plant automation.<\/p>\n\n\n\n

B\u00fcrkert\u2019s client was tasked to run a water analysis trial at a gas power plant in Ireland. Steam, generated from ultra-purified water, is required to drive the plant\u2019s turbines. <\/p>\n\n\n\n

Water fed from a semi-covered reservoir passes through a treatment plant featuring a reverse osmosis (RO) system and an electric deionisation (EDI) process, which create the required ultra-purified water.\u00a0<\/p>\n\n\n\n

Water conductivity from the process has to be accurately measured and reduced to approximately 15\u00b5S and the RO system is tasked with the removal of impurities, which can deteriorate the EDI over time. Impurities penetrating the RO system can also cause stress corrosion cracking in the turbine blades.<\/p>\n\n\n\n

The environmental services company was required to report on the water treatment plant\u2019s conductivity as well as levels of chlorine, pH, ORP and turbidity. <\/p>\n\n\n\n

The plant\u2019s existing analysis equipment didn\u2019t provide sufficient data, and measurement clarity as well as repeatable accuracy were essential. Irregular power demand also meant periods of low flow, which impacted stability of measurement. <\/p>\n\n\n\n

Specialising in reliable online environmental monitoring, the company selected B\u00fcrkert to provide the sensors and water analysis capability as a result of the company\u2019s expertise in rapid, accurate and reliable measurement.<\/p>\n\n\n\n

\"\"<\/a>
B\u00fcrkert\u2019s 8905 water analysis system and chlorine sensor has a t90 time, the duration that it takes the sensor to measure 90% of the chlorine concentration, of less than 30 seconds<\/figcaption><\/figure>\n\n\n\n

A full suite of B\u00fcrkert 8905 Online Analysis System units for monitoring water parameters, combined with Type MS sensor cubes, each suited to monitor a specific characteristic, were installed into a compact panel. <\/p>\n\n\n\n

The trial monitored the feed into the RO system and while it was originally designed to run for three months, as a result of the Covid pandemic, the sensors were left in place for six months.<\/p>\n\n\n\n

The challenge of the reservoir\u2019s low flow was a result of its oversized construction. Designed for a maximum capacity of 50 tonnes of water per hour to support hours of peak power generation, the plant can process as little as 20 tonnes per day when on standby. <\/p>\n\n\n\n

Typical analytical sensors on a one-inch process line require 2-3,000 litres per hour, whereas B\u00fcrkert\u2019s 8905 system, even with five sensors, requires just 30 litres per hour. Even when a continuous pump is required to fulfil the sensors\u2019 minimum flow requirement, the B\u00fcrkert system provides significant reduction in wastage and cost.<\/p>\n\n\n\n

Throughout the six-month period, the system ran without deviation, not requiring recalibration or inspection, which demonstrated its reliability. This was a crucial requirement for the water monitoring company and also the power plant operator, giving confidence for uninterrupted service and low maintenance requirements.<\/p>\n\n\n\n

Crucially, the accuracy and sensitivity of the 8905 system showed chlorine trace not previously identified. Long term, trace levels of chlorine can degrade the RO membranes and ultimately allow the unwanted passage of chlorine through to the EDI, which it can also damage. Furthermore, the customer wanted to avoid any flow of chlorine back into the river system. A carbon filter can now be used upstream of the RO to prevent the inbound flow of chlorine.<\/p>\n\n\n\n

For detection accuracy, B\u00fcrkert\u2019s 8905 water analysis system and chlorine sensor has a t90 time, the duration that it takes the sensor to measure 90% of the chlorine concentration, of less than 30 seconds, whereas typical industry standards for chlorine sensors have a t90 time from 60 to 180 seconds.<\/p>\n\n\n\n

The fast reaction time also means that the 8905 sensor is unaffected by polarization, whereby a sensor measuring zero chlorine for long periods of time can take several hours to react and measure with reliability when small amounts of chlorine are reintroduced. <\/p>\n\n\n\n

Typical sensors can therefore be unable to measure trace chlorine levels, which can pass through the system before they are able to react. Instead, B\u00fcrkert\u2019s 8905 sensor is able to accurately and reliably measure chlorine even at \u00b5g\/l trace level.<\/p>\n\n\n\n

Faster reaction is a result of the chlorine sensor design, which features only a single membrane compared to a typical chlorine sensor which incorporates a membrane pair surrounding an electrolyte buffer. The single membrane of the 8905\u2019s chlorine sensor means that the ions buffer through reduced resistance before chlorine trace is detected by the sensor, creating the faster response rate.<\/p>\n\n\n\n

The accuracy of the Type 8905\u2019s additional sensors also identified new data that would be useful to the plant, including pH levels up to pH12, which can be used to pursue further improvements in performance and reliability across the water treatment plant. The sensors also detected a caustic solution used as part of the cleaning process, the results of which will be used to assess the long term impact to the RO system.<\/p>\n\n\n\n

Cost was also reduced in system installation. The 8905 system can be installed into a single compact panel, approximately one meter square, as opposed to utilising several larger boards, complete with transmitters. This reduces wiring costs and installation time, as well as footprint. The potential for Ethernet connectivity for plant automation will also reduce the cost of sensor outputs and increase the ease of system integration. The system can be operated by the seven-inch touch display or remotely using B\u00fcrkert\u2019s Communicator PC tool.<\/p>\n\n\n\n

The results of the trial have identified accurate, repeatable and reliable readings across the analytics, which have identified potential for a more effective water treatment system. These results can then be utilised to deliver improvements across the plant for better reliability and reduced downtime.<\/p>\n","protected":false},"excerpt":{"rendered":"

An analysis system trial at a water treatment plant in Ireland has demonstrated its ability to reduce downtime. The trial generated accurate, reliable results for detecting trace-level impurities and chlorine with B\u00fcrkert\u2019s 8905 analysis system and sensors.\u00a0 The results of the six-month trial by an environmental monitoring services company have provided confidence in the repeated …<\/p>\n","protected":false},"author":1,"featured_media":19042,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9212,1041],"class_list":["post-19041","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-process","tag-burkerts-8905-analysis-system-and-sensors","tag-water-analysis"],"yoast_head":"\nWater analysis system highlights water treatment improvements for power station - Engineer News Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engineernewsnetwork.com\/blog\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Water analysis system highlights water treatment improvements for power station - Engineer News Network\" \/>\n<meta property=\"og:description\" content=\"An analysis system trial at a water treatment plant in Ireland has demonstrated its ability to reduce downtime. The trial generated accurate, reliable results for detecting trace-level impurities and chlorine with B\u00fcrkert\u2019s 8905 analysis system and sensors.\u00a0 The results of the six-month trial by an environmental monitoring services company have provided confidence in the repeated …\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.engineernewsnetwork.com\/blog\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\/\" \/>\n<meta property=\"og:site_name\" content=\"Engineer News Network\" \/>\n<meta property=\"article:published_time\" content=\"2021-02-19T10:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.engineernewsnetwork.com\/blog\/wp-content\/uploads\/2021\/02\/BURKERT573_PIC2_DENIS_PR6452_34411.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2100\" \/>\n\t<meta property=\"og:image:height\" content=\"1401\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/#\\\/schema\\\/person\\\/4477342aea8e299c6a21761e513ea8e1\"},\"headline\":\"Water analysis system highlights water treatment improvements for power station\",\"datePublished\":\"2021-02-19T10:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\\\/\"},\"wordCount\":989,\"image\":{\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/02\\\/BURKERT573_PIC2_DENIS_PR6452_34411.jpg\",\"keywords\":[\"B\u00fcrkert\u2019s 8905 analysis system and sensors\",\"water analysis\"],\"articleSection\":[\"Process\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\\\/\",\"url\":\"https:\\\/\\\/www.engineernewsnetwork.com\\\/blog\\\/water-analysis-system-highlights-water-treatment-improvements-for-power-station\\\/\",\"name\":\"Water analysis system highlights water treatment improvements for power station - 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