DESIGN AND SIZING OF A HYDROCARBON VAPOUR RECOVERY UNIT AT PETROLEUM DEPOTS
Journal Title: Advance Research Journal of Multidisciplinary Discoveries - Year 2018, Vol 31, Issue 31
Abstract
This paper presents a work on “The design and sizing of a hydrocarbon vapour recovery unit at petroleum depots”. It intervenes in a context where most of the depots handling volatile hydrocarbons records evaporative losses during operations of various activities. In the case of an oil depot, the storage operation would result in the loss of the storage tanks and the losses by movement of the vapours concentrated outward when filling these tanks, during the loading operations the product turbulence and the loss of preloading vapours are recorded.The purpose of this paper is therefore to design and size a unit that will collect the vapours and regenerate them. To achieve this objective, the methodology adopted begins with the functional analysis of the vapour recovery unit. It has enabled a solution consisting in the aspiration of vapours from the loading stations using vacuum pumps and a piping system. The regeneration of these vapours by condensation with a refrigeration system and the dissociation by a liquid gas separator. The second stage consist of the sizing and the choice of the different components of the unit. This part allowed us to have a vacuum pump (Becker U 5.70 with 1.5 kW of power and 70 of maximum suction flow), and a tube NPS 4 SCH 80 API 5 L grade B (100 mm nominal diameter and 2.11 mm thick). A refrigeration system of 19.250 kW of power and a liquid gas separator VIRON VVS-14K60L46. The unit thus designed will allow the recovery of at least 0.15% of product stored per year.
Authors and Affiliations
Theodore Tchotang, Lucien Meva’a, Paul Victor Jatta
Keywords
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