(19)
(11) EP 3 077 081 A1

(12)

(43) Date of publication:
12.10.2016 Bulletin 2016/41

(21) Application number: 14809202.6

(22) Date of filing: 18.11.2014
(51) International Patent Classification (IPC): 
B01D 53/14(2006.01)
C23F 11/00(2006.01)
B01D 53/62(2006.01)
(86) International application number:
PCT/US2014/066061
(87) International publication number:
WO 2015/084579 (11.06.2015 Gazette 2015/23)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 05.12.2013 US 201314097926

(71) Applicant: ExxonMobil Research and Engineering Company
Annandale, NJ 08801-0900 (US)

(72) Inventors:
  • MCGARVEY, Gordon Bryce
    Sarnia, Ontario N7S 3G7 (CA)
  • FALKINER, Robert J.
    Brampton, Ontario L6Y 5CY (CA)
  • SLIM, David R.
    Sarnia, Ontario N7S 3Z2 (CA)
  • KNICKERBOCKER, Bryan M.
    Garnet Valley, PA 19060 (US)

(74) Representative: ExxonMobil Chemical Europe Inc. 
IP Law Europe Hermeslaan 2
1831 Machelen
1831 Machelen (BE)

   


(54) IMPROVED CORROSION CONTROL IN ACID GAS REMOVAL EQUIPMENT BY THE SITU GENERATION OF POLYSULFIDE IONS