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November 21, 2008 |
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| Title: |
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Ethanol Blending
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Location:
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Doraville, GA
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YEAR COMPLETED:
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2007-2008
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Background:
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Due to rising fuel costs as well as concerns about the environment many people are now searching for cleaner, cheaper, renewable sources of fuel. Ethanol is quickly becoming the leading alternative fuel to gasoline. Some state and local governments are implementing legislation to require the use of ethanol in all gasoline. As the demand for this renewable energy source grows, a more sophisticated form of transportation and delivery to the consumer will be required. Arseal Technologies has worked designing facility upgrades to allow existing fuel terminals to receive, store and load ethanol for delivery to consumers. Ethanol can be blended into gasoline at up to a 10% ratio without conventional gasoline engines needing any modifications. Ethanol may also be blended into gasoline at up to an 85% ratio for E85/flex fuel vehicles. In the future, it is possible that road going vehicles will burn pure ethanol as well.
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Project Description:
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Arseal Technologies has worked on terminal upgrades in the south east to implement ethanol offloading, storage, and loading in these facilities. Arseal’s involvement includes estimating, design, creating construction drawings and other construction documentation, bidding, permitting and material procurement. We created civil, mechanical, and electrical drawing packages utilizing AutoCAD to meet the requirements of our client.
The following items were addressed by Arseal’s engineers and designers in the design of the ethanol upgrade:
- Surveying existing facility and preparing topographical drawings.
- Creating new grading plans.
- Designing new industrial concrete roadway for transport access to facility.
- Designing transport offloading area with containment and drainage.
- Designing offloading skid.
- Designing blending skid.
- Piping layout.
- Specifying required storage tank modifications.
- Hydraulic study of ethanol offloading and blending systems.
- Pump sizing and selection.
- Designing all ethanol controls utilizing Accuload IIIs, Top Tech, and Allen-Bradley PLCs.
- Designing power distribution upgrades to facilitate increased loads for offloading and loading/blending operations.
- Create conduit layout and conduit and cable schedules.
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Standards Applied:
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- API Std. 2610 – Design, Constructions, Operation, Maintenance, and Inspection of Terminal and Tank Facilities
- API RP 500 - Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division I and Division 2
- NEC 2007
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