Outline of bio-CNG production, storage, and distribution [ 49 ]. Figure 4. Schematic diagram of total bio-CNG process and vehicle fueling method [ 55 ]. Figure 5. Figure 6. Table 5. Competitive analysis of bio-CNG among other fuels in Bangladesh [ 4 , 13 , 56 — 59 ]. References J. Rodrigue, C. Comtois, and B. Patil, U. Pathan, P. Mahajan, and P. View at: Google Scholar P. View at: Google Scholar C. Halder, N. Paul, M. Joardder, and M. View at: Google Scholar W. Irion and O. KGaA, Weinheim, Germany, View at: Google Scholar S.
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Alamgir and A. View at: Google Scholar K. Bashar and A. Iqbal, M. Iqbal, and A. View at: Google Scholar. More related articles. In the past five years, several competing CNG ocean transport designs have evolved.
Each design proposes a unique approach to optimizing gas transport while using as much off-the-shelf technology as possible to keep costs competitive. It typically consists of compression, cooling, dehydration, and possibly liquefied petroleum gas LPG separation.
The extent of compression and cooling is different for the various CNG processes. The scope of the production facility depends on the quality of the gas and reservoir pressure, but is a small fraction of that of a comparably sized LNG or GTL facility. These processes include:. A Coselle consists of several miles of small-diameter pipe coiled into a carousel, hence the name Coselle. The technology is different from other CNG concepts in terms of the lower compression requirements because of lower pressure and temperature of storage.
A typical range of storage pressures is to bar. The CNG ship unloads gas into a pipeline at the receiving station. The CNG receiving terminal is relatively simple and includes a dock with high-pressure pipeline connections and possibly an expander to allow energy to be recovered from the high-pressure gas.
A scavenging compressor may be needed to empty the ships below the pressure of the pipeline. This will make it possible to transport larger quantities of gas, which will reduce the number of ships required to transport a given quantity of gas. Storage at the production and receiving terminal is required to maintain continuous operation. Assuming that the time between shipments is not great, a practical approach may be to have extra ships and keep them in the port for storage purposes.
The volume reduction for CNG depends on the conditions at which the compressed gas is stored but is typically in the range of to , compared with gas at atmospheric conditions. CNG is considered a viable transportation option for markets that are km or less from the source of the gas. As the distance from the market increases, LNG or GTL becomes more favorable assuming sufficient volume of gas is available.
Students are responsible for any other costs such as lab fees associated with the course. Bureau of Labor Statistics projects an annual average of 61, job openings between and Job openings include openings due to net employment changes and net replacements.
Bureau of Labor Statistics projects an annual average of 43, job openings between and Bureau of Labor Statistics projects an annual average of 24, job openings between and Bureau of Labor Statistics projects an annual average of 13, job openings between and Bureau of Labor Statistics projects an annual average of 11, job openings between and Bureau of Labor Statistics projects that total national employment for Automotive Service Technicians and Mechanics will be , by Bureau of Labor Statistics projects that total national employment for Automotive Body and Related Repairers will be , by Bureau of Labor Statistics projects that total national employment for Welders, Cutters, Solderers, and Brazers will be , by Bureau of Labor Statistics projects that total national employment for Computer Numerically Controlled Tool Operators will be , by Bureau of Labor Statistics projects the national average annual job openings in each of the following occupations between and will be: Automotive Service Technicians and Mechanics, 61,; Bus and Truck Mechanics and Diesel Engine Specialists, 24,; and Welders, Cutters, Solderers, and Brazers, 43, Universal Technical Institute of Illinois, Inc.
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Previous Step. LPG vs. Table of Contents. What is CNG Fuel? CNG vs. LNG Fuel While liquefied natural gas and compressed natural gas are similar, their delivery and storage methods are different. Classes start soon. With classes starting every weeks, no need to wait to start your career.
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