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36
TH E

INFLUENC

E O F SAFET Y

CONSIDERATION

S O N TH E DESIG N O F A N ACETI C ACI D PLAN T B y D A

CLAYDON

B.A.

SYNOPSI

S Th e wa y i n whic h safet y consideration s ca n influenc e th e developmen t an d desig n o f a ne w chemica l proces s i

s illustrated with particular reference to the Distillers Chemicals and Plastics Limited process for the direct oxidation of light hydrocarbons to acetic acid. The major risks on this process are discussed under the headings of explosions, effect of high pressures, danger from process materials, and fire. An assessment of each particular safety problem is made, and possible remedial actions are discussed. Finally, an indication is given

o f th e factor s tha t influence d th e decision s take n o n th e desirabilit y o f followin g an y particula r cours e o f action

Introductio

n Durin g th e developmen t o f a ne w chemica l proces s fro m th e origina l ide a t o a full y commercia l plan t man y differin g problem s mus t b e solved I n additio n t o studie s o f chemica l feasibility engineerin g design an d proces s operability variou s aspect s o f safet y hav e ofte n t o b e considered Thi s pape r set s ou t t o demonstrat e th e way s i n whic h safet y consideration s ma y influenc e th e developmen t an d desig n o f a particula r chemica l process i n thi s cas e th e

Distiller

s

Chemical

s an d

Plastic

s Ltd [no w B P

Chemical

s (U.K. Ltd. aceti c aci d process I t doe s no t attemp t t o clai m tha t th e problem s relate d t o thi s proces s ar e i n an y wa y uniqu e bu t merel y indicate s i n ho w man y differen t way s th e requirement s o f safet y mus t b e born e i n mind Th e

D.C.P.L

Aceti c Aci d

Proces

s Th e

D.C.P.L

aceti c aci d proces s i s a single-stage liquid phas e oxidatio n o f a paraffini c hydrocarbo n feedstoc k t o aceti c aci d an d it s homologues Th e feedstoc k i s generall y a ligh t naphth a containin g mainl y C 5 t o C 7 aliphati c paraffins Thi s material i n a solutio n o f th e reactio n products i s sub jecte d tquotesdbs_dbs12.pdfusesText_18