Corrosion Study Process 1 Process Review Common processes: Ups tream: Crud e/ga s stabiliza tion , gas dehy drati on, gas comp ressi on, prod uced wate rtreatment. Downstream: Crud e refin ing, catal ytic refor ming , cata lytic crac king , hydr otrea ting , gas sweetening , etc. Staff must be able to: •Identify major equipment and their functions and process changes that take place inside i.e. reaction, heating, cooling, condensation, vaporization, dehydration, etc. •Identify major process streams i.e. feed, product, waste, etc. Suggested reference: •!I "! #$% Second &di tion, pri l '(%% 2 Co rros ive Spe ci es /Corro dent s Common corrosive species: Upstream: ydrogen sulfide !"#$, Carb on dio% ide !C&"$, chlo rides , seawater, prod uced waterDownstream: Chlorides, seawater, fresh water, acids, chemicals, hydrogen Staff must be able to: •)ind out stream composition from *+eat aterial -alanceor *!rocess /escription•/etermine corrosivity of chemicals from S/S 3 Material Review Common materials used: Carbon steel, stainless steel, copper nickel, low alloy Staff must be able to: •/etermine the material used from 0drawing, piping material classes 1this may differfrom one client to another2 or3and !4I/s reihan taharim (age 1of 5)/*/+
