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Gas Hydrate Storage Of Natural Gas

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2001 Annual Conference


Albuquerque, New Mexico

Publication Date

June 24, 2001

Start Date

June 24, 2001

End Date

June 27, 2001



Page Count


Page Numbers

6.517.1 - 6.517.7

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Paper Authors

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Rudy Rogers

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Rebecca Toghiani

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NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract

Session Number 1333

Gas-Hydrate Storage of Natural Gas

Rudy E. Rogers, Rebecca K. Toghiani Mississippi State University

Abstract Gas hydrate storage of gases occurs in nature. Recent core data from USGS deep ocean drilling endeavors form the basis of their estimates of more carbon stored in gas hydrates of ocean sediments than exist in all discoveries of coal, natural gas, and crude oil. Realizing the value of natural gas as a clean-burning, economical, abundant and efficient energy source for peak loads at electrical power plants, but realizing the major impediment of storage means, DOE granted our laboratory a study to determine feasibility of safely storing above-ground natural gas in synthetic gas hydrates. The research suggested a process that provided rapid hydrate formation, complete conversion of interstitial water, and packing of hydrate mass as it formed; 156 volumes of gas at standard temperature and pressure stored in 1 volume of the ice-like hydrate was accomplished. Subsequently, as a semester project, a group of five senior chemical engineering students were asked to put the hydrate research findings into an innovative large- scale plant design for their capstone design course; they were to select, size and cost the equipment; they were to create process flow charts, perform mass/energy balances, and perform an economic analysis of the prospective storage facility for a power plant. Their efforts in the preliminary design predicted that a 2.25 million standard cubic feet storage facility could be economically competitive with conventional natural gas storage if multiple cycles per year were involved. Their in-depth analysis and first-hand laboratory experience proved to be a unique learning experience in energy storage problems.

Community Service and Student Design To teach engineering capstone design courses, there are many approaches available as to procedure and course content. One approach that we have found meritorious has been the inclusion of a community service component in the statement of the problem. By community service is meant an innovative design of a project that could benefit the community (local, state, or nation). For example, the project could improve the community’s economic well being, address an environmental problem, or introduce the use or more efficient use of a natural resource. This might seem like too wide a swath to cut for senior engineering students, but consider some representative projects successfully incorporated in the senior chemical engineering design course at Mississippi State University. These examples served as precedents for the subject project of gas hydrate storage.

The following three projects assigned to our students, two 1 of which have been reported, are noteworthy: (1) Design a facility and perform an economic analysis for cleaning the soil and underlying water of one of Mississippi’s abandoned industrial sites contaminated with trichloroethylene, perchloroethylene, and PCB; local newspapers had reported health problems

Proceedings of the 2001 American Society for Engineering Education Annual Conference & Exposition Copyright © 2001, American Society for Engineering Education

Rogers, R., & Toghiani, R. (2001, June), Gas Hydrate Storage Of Natural Gas Paper presented at 2001 Annual Conference, Albuquerque, New Mexico.

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