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Title: Philadelphia Gas Works Sng Plant Startup Experience
Author: Thomas J. Hanna
Source: American Gas Association 1981
Year Published: 1981
Abstract: The Philadelphia Gas Works (PGW), like most other distribution companies, obtains most of its energy needs from transmission companies pipeline connections to our gas distribution system. In the late 1960s, PGW embarked upon a program to replace the aging oil gas facilities employed at that time as a winter load supplement to the natural gas supply. This included the design and construction of the largest distributionowned liquefied natural gas facility in the United States, which came on stream in the mid-1970s. By then, it had become apparent to company management, with the natural gas curtailments then being projected, that even more gas supplies were necessary. Under evaluation and ultimately selected was the construction of a substitute natural gas (SNG) plant to complement the liquefied natural gas (See Figure 1). This facihty, which utilizes naphtha as its feedstock, has been completed and successfully started up this past year, and not unlike most other plants, experienced a certain degree of difficulty in reaching that stage.




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