Title:
LPG FRACTIONATION RECOVERY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/073618
Kind Code:
A1
Abstract:
This LPG fractionation recovery system comprises: a compressor that boosts excess gas such as associated gas; a deethanizer that dissolves propane and butane contained in the excess gas in sponge oil, while isolating gas having a carbon number of 2 or less from the excess gas; a sponge oil transfer pipe that discharges the sponge oil from the deethanizer; a debutanizer that isolates propane and butane from the sponge oil; an LPG fractionation discharge pipe that discharges fractionation containing propane and butane from the debutanizer; and a sponge oil return pipe that returns the sponge oil from the debutanizer to the deethanizer.
Inventors:
ISHIWATA NAOYUKI (JP)
YODA HIROSHI (JP)
TERADA TOSHIHIRO (JP)
TSUKUI TATSUYUKI (JP)
YODA HIROSHI (JP)
TERADA TOSHIHIRO (JP)
TSUKUI TATSUYUKI (JP)
Application Number:
PCT/JP2011/074577
Publication Date:
June 07, 2012
Filing Date:
October 25, 2011
Export Citation:
Assignee:
CAMERON JAPAN LTD (JP)
ISHIWATA NAOYUKI (JP)
YODA HIROSHI (JP)
TERADA TOSHIHIRO (JP)
TSUKUI TATSUYUKI (JP)
ISHIWATA NAOYUKI (JP)
YODA HIROSHI (JP)
TERADA TOSHIHIRO (JP)
TSUKUI TATSUYUKI (JP)
International Classes:
C10L3/12
Foreign References:
| JP2004536176A | 2004-12-02 | |||
| JP2009532565A | 2009-09-10 | |||
| JP2637611B2 | 1997-08-06 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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Claims: