Material Selection of Tanks for Storage and Transport of Liquid Organic Hydrogen Carriers: A Lightweight and Lifecycle Assessment Comparative Study of Metal, Polymer, and Composite Alternatives

IF 3.6 4区工程技术 Q3 ENERGY & FUELS

Energy technology Pub Date : 2024-10-04 DOI:10.1002/ente.202401297

Vinicius Carrillo Beber, Gideon Abels, Olaf Hesebeck

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Abstract

Liquid organic hydrogen carriers (LOHCs) are a key technology for a decarbonized industrial production. A comparative study on the material selection of tanks for the storage and transport of LOHC is presented. Three material classes are compared: metals (steel), polymers (thermoplastic), and composites (glass fiber-reinforced plastic). Considering existing standards, two sizes of tanks (150 and 700 m³) are dimensioned based on scenario requirements of loading and environmental conditions specific to the transport of the LOHC benzyltoluene. Thermoplastic tanks fulfilling the requirements are significantly heavier even than steel tanks, while the lowest tank mass can be achieved using glass fiber-reinforced plastics (GFRP). Concerning GFRP: 1) a resin with suitable chemical resistance is preferable over a thermoplastic lining; 2) a construction geometry with a flat bottom and curved roof improves lightweight; and 3) woven roving yields lighter tanks than chopped strand mats. Lifecycle assessment for mobile and stationary tanks indicates that GFRP offers the smallest CO₂ emissions for mobile tanks due to fuel savings, while steel is preferable for stationary tanks. In this regard, advancements in circularity and bio-based raw materials for composites can improve GFRP's ecological balance for LOHC applications.

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来源期刊

Energy technology ENERGY & FUELS-

CiteScore

7.00

自引率

5.30%

发文量

审稿时长

1.3 months

期刊介绍： Energy Technology provides a forum for researchers and engineers from all relevant disciplines concerned with the generation, conversion, storage, and distribution of energy. This new journal shall publish articles covering all technical aspects of energy process engineering from different perspectives, e.g., new concepts of energy generation and conversion; design, operation, control, and optimization of processes for energy generation (e.g., carbon capture) and conversion of energy carriers; improvement of existing processes; combination of single components to systems for energy generation; design of systems for energy storage; production processes of fuels, e.g., hydrogen, electricity, petroleum, biobased fuels; concepts and design of devices for energy distribution.