Gravity Separator Revamping by Richard Arntzen A Thesis Submitted for the Degree of Dr.Ing. to Department of Chemical Engineering Norwegian University of Science and Technology Trondheim, Norway March 2001 Thesis Comittee Prof. Dr. Christophe Gourdon ENSIGNC (France) Dr.ing. Einar Eng Johnsen Statoil a.s (Norway) Prof. II Dr.ing. Arne GrislingĖ as NTNU (Norway)