scholarly journals Review on recent liquefied natural gas cold energy utilization in power generation cycles

2018 ◽  
Vol 2 (1) ◽  
pp. 86-102 ◽  
Author(s):  
Guojun Yu ◽  
Sheng Jia ◽  
Bing Dai
Keyword(s):  
Power Generation ◽  
Natural Gas ◽  
Liquefied Natural Gas ◽  
Energy Utilization ◽  
Cold Energy

scholarly journals Construction and Analysis of LNG Cold Energy Utilization System

2020 ◽  
Vol 6 (5) ◽  
pp. 267-275
Author(s):  
L. Yan ◽  
Y. Zhou
Keyword(s):  
Power Generation ◽  
Heat Exchange ◽  
Natural Gas ◽  
Output Power ◽  
Economic Benefit ◽  
Rankine Cycle ◽  
Liquefied Natural Gas ◽  
Energy Utilization ◽  
Working Medium ◽  
Cold Energy

The theme of this research is the intermediate fluid vaporizer (IFV) gasification system for an offshore liquefied natural gas floating storage regasification unit (LNG-FSRU). Based on reducing the loss of heat exchange and improve the cold energy utilization, an LNG cold energy utilization system combined with Rankine cycle power generation and desalination is proposed. On this basis, six different schemes of working medium combination are simulated and analyzed, and the optimal scheme of working medium combination is found. The results show that the net output power of the system is 5591 kw, and the system exergy efficiency is 30.38%. The annual economic benefit is CNY 39.4 million.

scholarly journals Optimization of LNG Cold Energy Utilization via Power Generation, Refrigeration, and Air Separation

2020 ◽  
Vol 5 (3) ◽  
pp. 321-333
Author(s):  
V. V. Rao ◽  
Zulfan Adi Putra ◽  
M. R. Bilad ◽  
M. D. H. Wirzal ◽  
N. A. H. M. Nordin ◽  
...  
Keyword(s):  
Power Generation ◽  
Natural Gas ◽  
Distribution System ◽  
Simulation Software ◽  
Air Separation ◽  
Energy Utilization ◽  
Liquid Form ◽  
Separation Unit ◽  
Cold Energy ◽  
Liquid Natural Gas

Natural gas is conventionally transported in its liquid form or Liquid Natural Gas (LNG). It is then transported using cryogenic insulated LNG tankers. At receiving terminals, LNG is regasified prior to distributing it through gas distribution system. Seawater has been used as the heat source, which leads to vast amount of cold energy discarded into the water. This work presents the use of LNG cold energy around Melaka Refining Company (MRC). The cold energy is utilized in power generation, propylene refrigeration cycle, and air separation plants. These systems are designed and simulated using a commercial process simulation software. Capital cost (CAPEX) function and revenues of each system are further developed as a function of LNG flowrates. These developed correlations are then used in an optimization problem to seek for the most profitable scenario. The results show that utilizing LNG for air separation unit yields the highest profit compared to power generation and refrigeration plants.

scholarly journals Progress of liquefied natural gas cold energy utilization

2019 ◽  
Vol 502 ◽  
pp. 012148 ◽  
Author(s):  
L N Guo ◽  
B L An ◽  
L B Chen ◽  
J X Chen ◽  
J J Wang ◽  
...  
Keyword(s):  
Natural Gas ◽  
Liquefied Natural Gas ◽  
Energy Utilization ◽  
Cold Energy

High efficiency power plant with liquefied natural gas cold energy utilization

2014 ◽  
Vol 87 (1) ◽  
pp. 59-68 ◽  
Author(s):  
M. Romero Gómez ◽  
R. Ferreiro Garcia ◽  
J. Carbia Carril ◽  
J. Romero Gómez
Keyword(s):  
Power Plant ◽  
Natural Gas ◽  
High Efficiency ◽  
Liquefied Natural Gas ◽  
Energy Utilization ◽  
Cold Energy
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