ACS

advanced control system

ATF

aviation turbine fuel

ATA

atmosphere absolute

BTU

British thermal units

CDU

crude distillation unit

CHP

combined heat/power

COT

cool outlet temperature

CV

calorific value

DCU

delayed coking unit

DIDC

distributed digital control

DSS

decision support system

EHFO

extraheavy fuel oil

ENCON

energy conservation

EORT

evolutionary operations research technique

FBP

final boiling point

FCCU

fluid catalytic cracking unit

GDP

gross domestic product

GNP

gross national product

HDS

hydro-desulfurization

HFO

heavy fuel oil

HHV

high heating value of fuel

HRSG

heat recovery steam generator

HSD

high-speed diesel

IBP

initial boiling point

IRR

internal rate of return

Kuop

UOP characterization factor

LFO

light fuel oil

LHV

low heating value of fuel

LNG

liquefied natural gas

LP

linear programming

LPG

liquefied petroleum gas

MIS

management information system

MS

motor spirit

NLP

nonlinear programming

NCV

net calorific value

NPV

net present value

NSP

nonsmooth problem

OR

operations research

PONA

paraffins, olefins, naphthenes, and aromatics

QP

quadratic programming

RCO

reduced crude oil

SGP

steam generation plant

SPM

suspended particulate matter