Propylenglykol-Energiespeichermaterial
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What is the yield of propylene glycol?
The yield of propylene glycol is 4.28 mmol g cat-1 h −1. This study provides a promising approach to electrochemical propylene conversion in the future. 1. Introduction Propylene, an olefin molecule present in shale gas, is an important chemical raw material.
What chemistry can be used for large-scale energy storage?
Another Na-based chemistry of interest for large-scale energy storage is the Na-NiCl 2 (so called, ZEBRA) 55, 57 battery that typically operates at 300°C and provides 2.58 V.
Can biotechnological production of propylene glycol be sustainable?
The development of sustainable technologies for producing these platform chemicals from renewable resources is very challenging. Propylene glycol belongs to the bulk chemicals that are produced from biomass. The biotechnological production of propylene glycol has received a lot of attention in recent years.
Is propylene glycol economically viable?
Two possibilities regarding the hydrogen source are explored: it may come from an external source or be produced locally. It is shown that the break-even price of the partially renewable propylene glycol is lower than the market price of propylene glycol, which indicates that this process is economically viable.
What is propylene glycol used for?
Propylene glycol can be used as a surfactant, a moisturizer, an antifreeze agent, a solvent, a preservative and in detergent formulations [6, 8]. It is usually obtained by the hydrolysis of propylene oxide [8, 9]. Propylene oxide is produced from propylene hydrochloride, which comes from the petrochemical industry.
Is propylene glycol a viable alternative to hydrogen?
It is also shown that the price of hydrogen produced via steam reforming is not competitive with its price if produced by other sources. Consequently, the fully renewable propylene glycol production process yields a lower profit, but it is still viable and depends on the market.