CATEGORY: ENERGY CONSERVATION
SWISS Journal of Applied
Sciences, Vol 2, Issue 6, 2013
Benchmarking, Standard Setting and Energy
Conservation of Olefin Plants in Iran
Shahram Gowharifar (a),
Ahmad Khoshgard (b)
a Head of Petrochemical Industry, Iranian Fuel Conservation Company, Tehran,
Iran
b Islamic Azad University, South Tehran Branch, Tehran, Iran
Abstract
Olefin plants are one of the most energy intensive petrochemical plants in the
world. In Iran more than 15% of petrochemical products are olefins and it will
increase rapidly during next future, so improvement of energy efficiency in
olefin plants is key element in NPC (Iranian National Petrochemical Company)
plan for cost reduction and sustainable development. In this paper the energy
consumption of existing olefin plants are compared with design condition and
also world best technology. This comparison indicates the meaningful gap
between operational and best condition. In this study the opportunities of
energy saving in olefin plants are investigated using process integration tools
and benchmarking. The result of this study indicates there is potential for
energy consumption reduction up to 25% in Iranian olefin plants.
Introduction
Energy
efficiency significantly affects profit margins of a plant, while increased
cost of fuel and power, and more stringent environmental regulations makes it
more important. Experience shows that the ability to benchmark and monitor
energy efficiency is essential for successful implementation of an energy
efficiency improvement program. Energy benchmarking is the process of
quantifying and comparing the energy consumption of a process unit or whole
refinery/petrochemical plant to some pre-selected standard and to the rest of
the industry. A system is needed to enable calculating and expressing each
processing unit's energy efficiency as a single number so that performances of
different units can be compared.
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