As a clean and efficient energy carrier, Liquefied Natural Gas (LNG) plays an increasingly critical role in the global energy transition. This paper conducts a comprehensive review of the LNG technology system, focusing on the optimization of LNG regasification processes, cold energy recovery and utilization, integration innovation with renewable energy systems, and analysis of the economic and environmental benefits of technological applications. By summarizing key research achievements in the LNG field in recent years, particularly the coupling technologies with solar energy systems, Organic Rankine Cycle (ORC), and hydrogen production, this paper systematically elaborates on the core value of LNG technology in improving energy efficiency, reducing carbon emissions, and promoting the development of multi-energy complementary systems. Meanwhile, combined with relevant case studies, it analyzes the impact of different parameters on LNG system performance, and prospects the future development trends and challenges of LNG technology, providing references for related research and engineering applications.
Xue et al. (Fri,) studied this question.
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