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A municipal power plant in the southern United States operates more than 10 stationary power plant engines capable of producing 52 megawatts of electric power. The plant is part of a larger statewide power grid system.
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A plant located in the eastern United States manufactures phenolic resin for applications in plastics molding. This plant uses well water for cooling its reaction process and then discharges the water into a local creek.
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HMA Wear Solutions has collaborated with design engineering company Lycopodium on the ceramic piping specification for the Cobre Panama project by First Quantum Minerals Ltd. of Canada. This $6.3 billion copper project is anticipated to be one of the few new ‘red metal’ mines to enter production by the end of the decade.
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By contacting hydrocarbon with mercaptan rich caustic, a very stable emulsion may form in the UOP Merox process. This causes significant quantities of caustic to carry over with the product.
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Storage tanks containing hydrocarbon feedstocks, intermediates and finished products will, over time, accumulate a water layer in the bottom of the tank (exceptions are water-soluble hydrocarbons such as alcohols and ethers). Standard industry practice is to periodically drain the water from storage tanks so that the water does not adversely impact specifications of the hydrocarbon.
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Common techniques for foam detection include: DP gauges, capacitance probes, guided wave radar, electromagnetic radiation, neutron-backscatter, sonic echo devices, flow meters, and sight glasses. Most of these do not offer early foam detection.
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Produced oil contains water in highly variable amounts. Heater-treaters heat the produced fluid to break oil/water emulsions and to reduce the oil viscosity. The water is then typically removed by utilizing gravity to allow the free water to separate from the oil.
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As oil becomes heavier and more viscous, it is more and more difficult to get the oil to flow into the well bore where it can be pumped to the surface. This heavy Canadian oil is often referred to as bitumen and has an API gravity ranging from 8—14.
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A common problem in the Sour Water (SW) Stripper Unit is caused when hydrocarbon is discharged with the sour water from the Knock-out Drum into the Surge Tank which feeds the SW Stripper Column (see simplified process flow diagram). The hydrocarbons will vaporize with the sour gas being sent to the Sulfur Recovery Unit (SRU).
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Refineries currently utilizing Agar systems increase throughput up to 20% and significantly reduce theamount of process upsets - resulting in up to an 80% reduction in hydrocarbon under carry to the waste water treatment plant as witnessed by the Environmental Protection Agency (EPA). Agar systems provide an unmatched ability to optimize difficult separation processes by utilizing concentration measurement and control.
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The Agar System 2 provides automatic monitoring and indication of accumulated hydrocarbon in API skimmer systems. When used in conjunction with mechanical or pneumatic actuators, the system provides complete automatic control of the oil recovery process.
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Determining the production rate from oil wells is simpler and less costly because of AGAR’s advanced technologies. For many years complex 3-phase separators were the industry standard because measurement technologies required the separation of the hydrocarbon, water, and gas phases.
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Contamination of amine systems (Refer to Figure 1 on following page) results in operational and environmental challenges for the operator. Contaminants include: Particles such as iron sulfide with the feed, Heat stable salts, Surface active agents, Liquid hydrocarbon in the gas feed, Carboxylic acids formed from oxygen entering the amine system, Corrosion inhibitors and water treatment chemicals entering with makeup water and wash water
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Industrial lubrication systems require close monitoring of the lubricating fluid to detect contaminants and prevent the resultant degradation of the fluid. Contaminants such as water and metallic fines are commonly monitored manually, requiring routine sampling and laboratory analysis.
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The manufacturing of Paper using the Kraft Mill process generates liquids called Black Liquor and Soap in the digester. When the wood is cooked in the digester a caustic bath is used.
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By itself, hydrogen is colorless, odorless, tasteless and nontoxic. But when even small amounts of this seemingly harmless substance mix with air, it morphs into a major fire hazard.
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In 2012 a large refinery in New South Wales came to a realisation – it needed to convert to a fuel tank farm and subsequently reduce staffing levels. Such a significant change would inevitably lead to the challenge of upgrading its fire protection and detection systems, to allow the site to become more automated and responsive in emergency situations.
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The Agar Foam Detector can detect the presence of foam far earlier than a ΔP cell, pressure gauge or other technologies. The probe can initiate or increase the anti-foam chemical injection rate causing the foam to dissipate.
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The Agar Foam Detector can detect the presence of foam far earlier than a ΔP cell, pressure gauge or other technologies. The probe can initiate or increase the anti-foam chemical injection rate causing the foam to dissipate. As a result, the anti-foam chemical feed rate is optimized, reducing the operator’s overall chemical costs.
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Alkylation is an important refining process in which light olefins (e.g. propylene, butylene) are converted into higher value gasoline blending components with improved octane and vapor pressure properties. Agar technology can be applied in the alkylation process in two fundamental categories.
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If a fire, smoke or gas leak is detected in an industrial facility, prescriptive actions must be taken by the fire and gas safety system, as well as the process control system, to mitigate and control the hazard. Using a certified, documented fire and gas safety system that can communicate appropriate messages to the process control system during an event is vital to the safety of a facility and its occupants.
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AAR MRO Services supports airline operators with everything from maintenance inspections and equipment upgrades to airframe painting and heavy maintenance for all major aircraft in service. The largest MRO operator of its type in the Americas, AAR recently opened the company’s largest facility, located at the Chicago Rockford International Airport.
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HMA Ceramic Lined Butterfly Valves are the product of a synergy that combines the industry experience and technical knowledge of both the Flow & Industrial and Wear Solutions divisions. The objective was to create a something with the functionality and footprint of a standard butterfly valve but with the superior life expectancy of ceramic lined pipework while ensuring the solution remained cost effective for our clients.
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A recent Minnesota Department of Transportation bridge project was outfitted with two in-place inclinometers and a series of strain gages on two driven piles to measure the change in strain, and associated stress, as consolidation settlement occurred in cohesive soils below newly placed bridge approach embankment fill. The magnitude of the downdrag acting on the piles, corrected for thermal effects, was monitored with respect to construction loading stages and nearby soil deflection.
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A proposed multi-span bridge was efficiently reduced to a single span in the design phase of a rural Minnesota project. Geotechnical analysis found it possible and significantly more cost effective to construct and monitor longer approach embankment fills over compressible clays as they deflected 300-450 mm (12-18 in) prior to roadway construction.
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Landslides, lateral spreading and other similar forms of ground failure due to natural disasters impact communities around the world. These ground failures continue to result in human suffering, billions of dollars in property losses, and environmental degradation.
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As the impacts of failing geotechnical infrastructure become more apparent, Structural Health Monitoring (SHM) is now more commonly being applied to geotechnical assets: levees, earth dams, landslides, and foundation soils. In particular, real-time monitoring programs are now becoming considered essential for monitoring the performance, or identifying impending failure, of high-risk geosystems. This paper presents several case studies of real-time monitoring of embankments and slopes on Minnesota Department of Transportation (Mn/DOT) projects using MEMSbased in-place inclinometer, ShapeAccelArray (SAA), systems.
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Assessing the health of and maintaining civil infrastructure has been an increased concern in the wake of recent natural disasters. The variability of properties within geotechnical systems makes predictions of soil behavior extremely difficult, especially when soil models are not calibrated with field-measured performance.