Abstract: The invention provides a flexible off shore platform comprising a base fi to the sea bed by means of a foundation and supporting a flexible column extending over almost the whole height of the platform and at the top of which is located a stabilizer connected by a short column to the deck of the platform; the flexibility of the column allows a basic natural bending period greater than that of the largest waves and always greater than 25 seconds.
Type:
Grant
Filed:
October 25, 1983
Date of Patent:
March 19, 1985
Assignees:
Entrepose G.T.M. pour les Travaux Petroliers Maritimes et PM, Entrepose d'Equipements Mecaniques et Hydrauliques E.M.H., Societe Francaise d'Etudes d'Installations Siderurgiques SOFRESID
Abstract: Process and apparatus for removing solid matter from coal tar recovered f coal distillation comprising the steps of centrifuging the tar in order to produce a liquid phase consisting of tar which is substantially free of residual solids and a solid phase consisting of solid matter and tar, and mixing the solid phase with a solid material comprising carbon.