Re: Transporting Anhydrous Ammonia

Tom Birkett <tnbirke@...>

LPGs can be a refining byproduct but as long as America has produced natural
gas there have been LPGs produced (and natural gas flared, even to this day)
, or actually separated in what in the industry is frequently called a "gas
plant." Until a pipeline could be connected the raw gas came into the gas
plant and the LPGs (mostly butane and propane) were separated out and left
via tank car. If it was "sour gas" the sulphur needed to be removed.
Depending on the process it could go out as molten sulphur or even sulphuric
acid both in tank cars.

Tidewater had fleets on the west coast (AOX) managed in San Francisco
starting early in the twentieth century a Midwest fleet (TIDX) managed out
of Tulsa and a fleet on the east coast (TWOX) managed out of New York.

The Jan 1947 Equipment Register shows no Class V cars but those without
designation may be pressure cars which appear in all three fleets. LPGs can
be shipped long distances but there is little need: butane is butane and
propane is propane, so buy the cheapest.

Tom Birkett-Bartlesville, Oklahoma (original home of Phillips 66)

From: STMFC@... [mailto:STMFC@...]
Sent: Monday, July 27, 2015 4:58 PM
To: STMFC@...
Subject: Re: [STMFC] Transporting Anhydrous Ammonia

the car itself is a marvelous model, up to what we have come to expect
from Kadee.

Where would a Tidewater LPG car have been used? Tidewater was an east coast
company, yes?
Did LPG travel very long distances? I had the impression that LPG was a
by-product of refining
that was mostly "flared off" until a market developed for it -- So it would
be available
from any petroleum refinery in the STMFC era right?

Tim O'Connor

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