Water & Wastewater Asia Nov/Dec 2018

Water & Wastewater Asia • November / December 2018 60 | SHOW REVIEW At Emerson CONNECT water treatment professionals learn how to improve plant safety and increase productivity E merson recently held an Emerson Connect event in Singapore for industry professionals to exchange ideas, meet with Emerson industry experts and gain hands-on experience with a wide spectrum of innovative plant automation technologies. Emerson Connect was held at Emerson Automation Solutions Digital Education Center in Singapore on 14 th September 2018, and was attended by plant operations professionals from a wide range of industries. Seminar attendees learned how to maximise their process availability and efficiency, as well as how to improve safety through a customer-used case. Among the innovations that attendees learned was wireless toxic gas, hydrogen sulfide (H2S), monitoring technology that can protect people and property without the costs of wired installations. Around the world, plants face the risk of H2S gas endangering the safety of personnel. In fact, in an incident in Florida in the U.S., three utility workers died due to gas fumes in a drainage trench. The challenge for many plants, however, is that with constrained budgets and limited personnel, the cost of installation and ongoing service of traditional toxic gas monitoring systems is cost-prohibitive. Without suchmonitoring, the plant is at risk as there is no way of knowing about a dangerous leak without sending personnel into the field, a critical safety risk. At the Emerson Connect recently, attendees Emerson recently held an Emerson Connect event in Singapore for industry professionals to exchange ideas, meet with Emerson industry experts and gain hands-on experience with a wide spectrum of innovative plant automation technologies. Image credited to Emerson learned about effective wireless toxic gas monitoring technology that can save more than US$10,000 per monitoring point. Wireless gasmonitors can be installedwithout the need for costly infrastructure and they can be moved easily when needed. The monitors integrate with Emerson WirelessHART networks, providing information back to the control system before service personnel are sent out to locations, protecting personnel from being in a dangerous environment. One non-oil and gas industry with hydrogen sulfide concern is the water and wastewater treatment industry. H2S is not only a safety concern in water treatment facilities. It can contribute to sulfide induced corrosion in wet environments like those found in these plants. Wastewater treatment facilities have several areas where H2S may be a problem. Pre- treatment tanks and biological treatment tanks where raw sewage first enters the plant may generate high concentrations of H2S. In general, more contaminated streams will be of greater concern for toxic gas. Further into the treatment process, more contaminated liquid and sludge streams are areas of very high risk. H2S gas monitors should be placed near these areas, which include sludge-drying beds, mechanical de-watering, and digestion equipment. In addition to this event in Singapore, Emerson conducts several EmersonCONNECT seminars throughout the Asia Pacific region each year. Emerson Connect events are part of a worldwide offering of customer education and interaction opportunities that support Emerson’s efforts to help its customers enhance plant operations and performance, reduce costs, improve efficiency and environmental compliance, and increase safety. WWA

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