Answered: A high pressure 3 phase separator…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Question

A high pressure 3 phase separator operates at 5MPa and 400 deg C. The separator is producing gas, oil and water. The separator is made from steel with a density of 8,000kg/m3, is 10m long(tangent to tangent) with a diameter of 2m, and has standard ASME dished ends.

Calculate the following:

The wall thickness for the shell
The approximate weight of an empty vessel (excluding internals)

Also comment on what the shell thickness would be for a 10MPa vessel.

Assume that the corrosion allowance is 5mm and that nozzles, internals and manways will contribute an additional 15% to the mass of the vessel. In addition, you should assume that all welds are double-welded butt joints with spot radiographed examination.

For the separator in the last question, calculate the the size of a nozzle for a pressure safety valve.

Also describe where you would locate the PRV, and where the gas goes after the PRV, and what to do with the water

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