Integration of flare gas with fuel gas network in refineries

被引:20
|
作者
Tahouni, Nassim [1 ]
Gholami, Majid [1 ]
Panjeshahi, M. Hassan [1 ]
机构
[1] Univ Tehran, Sch Chem Engn, Coll Engn, Tehran, Iran
关键词
Flaring; Fuel gas network; GHG emissions; Refinery; PETROLEUM REFINING INDUSTRY; CO2; EMISSION; ENERGY; REDUCTION; EFFICIENCY; RECOVERY; EXERGY; SECTOR; WASTE; OIL;
D O I
10.1016/j.energy.2016.05.055
中图分类号
O414.1 [热力学];
学科分类号
摘要
The high price of crude oil, strict environmental regulations and ever-increasing demand for energy have made refineries adopt a more holistic approach to integrating energy, economics and environment in their design and operation. Gas flaring is a major factor for the wastage of energy in oil and gas industries that could be better utilized and even generates revenue. Integration and use of wasted and flared gases with fuel gas network (FGN) is an effective approach for reducing GHG emissions as well as conserving energy in refineries. In this paper, current FGN model introduced by Hassan et al. was modified and also a novel methodology was presented for grass-root and retrofit design of FGNs using integration of flare gas streams. GHG emission concept is added to the base model as new constraint to control and minimize the flaring. A FGN proposed for a refinery case study with integration of flare gas streams indicated a 12% reduction in natural gas consumption compared to the non-integrated flare gas stream case and a 27.7% reduction compared to the base case with no FGN. In the retrofit case, results, suggested that the maximum utilization of flare gas streams can be the most profitable solution. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:82 / 91
页数:10
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