Modeling, screening, and techno-economic evaluation of metal-organic frameworks for boil-off gas capture during intercontinental transportation of LNG
  • Yoon, Sunghyun
  • Mun, Haneul
  • Ga, Seongbin
  • Park, Jinwoo
  • Lee, Inkyu
  • 외 1명
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초록

Intercontinental transportation of liquefied natural gas (LNG) relies on the energy-intensive re-liquefaction process to minimize boil-off gas (BOG) losses during trips. Previous research efforts have focused on improving and optimizing the existing process designs to treat BOGs. In this work, we developed an energy-efficient highpressure and low-temperature (HPLT) adsorption process using nanoporous materials, such as metal-organic frameworks (MOFs), for boil-off gas treatment. A high-throughput, multiscale modeling campaign was carried out to discover high-performance nanoporous materials. Our analyses show that the developed HPLT adsorption process with the optimal adsorbent is more economical than the current state-of-the-art processes for 8-day and 13-day trips, with annualized savings of $0.3-1.6 million per ship. We discuss related challenges and opportunities based on adsorbed storage tank for international energy transportation.

키워드

Metal-organic frameworkLiquefied natural gasBoil-off gasMulti-scale modelingTechno-economic analysisMETHANE STORAGEFORCE-FIELDOPTIMIZATIONHYDROGENDESIGNEFFICIENCYSYSTEMS
제목
Modeling, screening, and techno-economic evaluation of metal-organic frameworks for boil-off gas capture during intercontinental transportation of LNG
저자
Yoon, SunghyunMun, HaneulGa, SeongbinPark, JinwooLee, InkyuChung, Yongchul G.
DOI
10.1016/j.cej.2025.160517
발행일
2025-03
유형
Article
저널명
Chemical Engineering Journal
507
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1 ~ 12