EP 1268711 A4 20040609 - HIGH TEMPERATURE DEPRESSURIZATION FOR NAPHTHA MERCAPTAN REMOVAL

Title (en)

HIGH TEMPERATURE DEPRESSURIZATION FOR NAPHTHA MERCAPTAN REMOVAL

Title (de)

HOCHTEMPERATUR-DRUCKABSENKUNG ZUR MERCAPTANENTFERNUNG AUS NAPHTA

Title (fr)

DEPRESSURISATION A HAUTE TEMPERATURE POUR L'ELIMINATION DE MERCAPTANS DE NAPHTA

Publication

EP 1268711 A4 20040609 (EN)

Application

EP 00989628 A 20001205

Priority

US 0035701 W 20001205
US 47026799 A 19991222
US 68570900 A 20001010

Abstract (en)

[origin: WO0194502A1] The invention relates to naphtha hydrodesulfurization incorporating either high temperature depressurization or controlled heating for mercaptan removal. More particularly, the invention relates to a naphtha hydrodesulfurization process, wherein the hot naphtha exiting the desulfurization reactor (12) contains mercaptans, most of which are removed without olefin loss, by depressurizing the hot naphtha (14), thermally treating the hot naphtha, or some combination thereof. The desulfurized naphtha may be cooled and condensed to a liquid, separated (16) from the gaseous H2S, stripped and sent to a mogas pool.

IPC 1-7

C10G 31/06; C10G 45/02; C10G 65/04; C10G 67/02

IPC 8 full level

C10G 67/02 (2006.01); C10G 29/16 (2006.01); C10G 45/02 (2006.01); C10G 45/08 (2006.01); C10G 65/04 (2006.01)

CPC (source: EP)

C10G 65/04 (2013.01); C10G 2400/02 (2013.01)

Citation (search report)

[XY] US 3732155 A 19730508 - CECIL R, et al
[X] US 3801494 A 19740402 - MOORE T, et al
[X] US 3720602 A 19730313 - RILEY K, et al
[AY] GB 1174407 A 19691217 - BRITISH PETROLEUM CO [GB]
[A] US 2206921 A 19400709 - SCHULZE WALTER A
[A] EP 0202772 A2 19861126 - MOBIL OIL CORP [US]
[A] US 4218309 A 19800819 - COMPTON LESLIE E [US]
See references of WO 0194502A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

WO 0194502 A1 20011213; AU 2611401 A 20011217; AU 769356 B2 20040122; CA 2393753 A1 20011231; CA 2393753 C 20100720; EP 1268711 A1 20030102; EP 1268711 A4 20040609; JP 2003535955 A 20031202; JP 4681794 B2 20110511; NO 20023022 D0 20020621; NO 20023022 L 20020821

DOCDB simple family (application)

US 0035701 W 20001205; AU 2611401 A 20001205; CA 2393753 A 20001205; EP 00989628 A 20001205; JP 2002502047 A 20001205; NO 20023022 A 20020621