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(11)

EP 3 024 561 A1

(12)

(43) Date of publication: 01.06.2016 Bulletin 2016/22 (21) Application number: 14829565.2 (22) Date of filing: 25.07.2014

(51) International Patent Classification (IPC):  B01D 53/30(2006.01) B01D 53/75(2006.01) B01D 53/48(2006.01) (86) International application number: PCT/US2014/048231 (87) International publication number: WO 2015/013636 (29.01.2015 Gazette 2015/04)

(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: 25.07.2013 US 201361858478 P 10.03.2014 US 201461950636 P (71) Applicant: Babcock & Wilcox Power Generation Group, Inc. Barberton, OH 44203 (US)

(72) Inventors: BROWN, Shannon R. Doylestown, Ohio 44230 (US) JOHNSON, Daniel B. Illinois 60462 (US) GADGIL, Mandar R. Akron, Ohio 44313 (US) FEENEY, Steven Lancaster, Ohio 43130-8181 (US) WILLIAMS, Paul J. Akron, Ohio 44319 (US) MORETTI, Albert L. Stow, Ohio 44224 (US) SILVA, Anthony A. Wadsworth, Ohio 44281 (US) FULLER, Timothy A. North Canton, Ohio 44720 (US) PAVLOVICZ, Garrett E. Akron, Ohio 44313 (US) ULLOM, Stephen F. Niles, Ohio 44446 (US) SCHAPER, Daniel P. Uniontown, Ohio 44685 (US) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)