Storage and transportation of liquid CO.sub.2

Refrigeration – Storage of solidified or liquified gas – With conservation of cryogen by reduction of vapor to liquid...

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62 482, 62 492, 62384, F17C 503

Patent

active

051779749

ABSTRACT:
A system for transportation and storage of liquid carbon dioxide (CO.sub.2) at low pressures in the region of 1600-2300 KPa comprises a mobile supply tank (20a, 20b) and an on side storage tank (70). The mobile supply tank (20a, 20b) and the on site storage tank (70) are thermally insulated and each tank is refrigerated by a refrigeration system (71) with an evaporator located in the upper gas space of each tank. The on site storage tank (70) is filled with liquid CO.sub.2 by a conduit (36a) extending from near the bottom of the mobile supply tank (20a, 20b) via a filling port (72) on the on site storage tank to an opening near the bottom of the on site storage tank. A closed circuit system is achieved by a further conduit (37a) extending via an outlet port (73) from the gas space near the top of the site storage tank (70) to a gas space near the top of the mobile supply tank (20a, 20b).

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SU 1164-507 A Jun. 30, 1985 Derwent English Language Abstract No. Q69 86-092353/14.
SU A 1160167 Jun. 7, 1985 Derwent English Language Abstract No. Q69 85-315908/50.

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