Patent SG-11201807006R-A (SG)
Title: System and method for reducing the amount of sulfur oxides in exhaust gas
Inventor: BAHADUR THAPA SHYAM
IPC: F01N13/00
Filed: 2017-06-23
Abstract: WO 17 / 22075 9 Al gas pipe (7) arranged for introducing exhaust gas into the inner space of the spray tower through an exhaust gas inlet (2) positioned at a proximal end (7a) of the central exhaust gas pipe, the 41 central exhaust gas pipe being positioned at a bottom end (la) of the spray tower in installed position, the central exhaust gas pipe being in fluid connection with the inner space of the spray tower through an exhaust gas inlet (2) at a top end of the central exhaust gas pipe, and at least one exhaust gas outlet (3 arranged for withdrawing purified exhaust gas from the inner space 13 of the spray tower, the exhaust gas outlet being positioned at a top end (lb) of the spray tower in installed position, the exhaust gas outlet being in fluid connection with the inner space of the spray tower, wherein from the exhaust gas inlet to the exhaust gas outlet, a general exhaust 8 gas flow is passing through the inner space of the spray tower, one or more spray devices (41, 42 42) configured to provide a stream of scrubber liquid within the inner space of the spray tower counter current to the general exhaust gas flow, and at least two engine exhaust gas pipes (6) being in fluid connection with the distal end (7b) of the central exhaust gas pipe. Furthermore, a method for reducing the amount of SOx in exhaust gas is described. FIG. 1 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 28 December 2017 (28.12.2017) WIP0 I PCT omit VIII Hot o H0111°1°111 VIII to lII ow (10) International Publication Number WO 2017/220759 Al (51) International Patent Classification: BOlD 53/14 (2006.01) BOlD 53/78 (2006.01) BOlD 53/18 (2006.01) F01N 3/04 (2006.01) BOlD 53/50 (2006.01) FO1N 13/00 (2010.01) (21) International Application Number: PCT/EP2017/065484 (22) International Filing Date: 23 June 2017 (23.06.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 16176030.1 23 June 2016 (23.06.2016) EP (71) Applicant: YARA MARINE TECHNOLOGIES AS [NO/NO]; Drammensveien 134 Building no. 6, 0277 Oslo (NO). (72) Inventors: BAHADUR THAPA, Shyam; Rathkes Gate 3, 0558 Oslo (NO). STRANDBERG, Peter; Stranden 73, 0250 Oslo (NO). (74) Agent: DE CLERCQ & PARTNERS; Edgard Gevaert- dreef 10a, 9830 Sint-Martens-Latem (BE). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: — of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3)) (54) Title: SYSTEM AND METHOD FOR REDUCING THE AMOUNT OF SULFUR OXIDES IN EXHAUST GAS (57) : The present application relates to a spray tower (1) arranged to be vertically lb positioned and having an inner space (100), wherein the spray tower comprises, a central exhaust