South Africa’s green hydrogen opportunities and problems

New applications for green hydrogen are also envisaged.Reproduced with permission from Liebreich Associates.

per annum of ammonia required globally for fertiliser production would have a severe knock-on effect on food prices.Green hydrogen is made from water. Using renewable electricity, equipment called electrolysers separates the hydrogen from oxygen in water . The process is called electrolysis. Today, green hydrogen has an estimated energy equivalent cost of between US$250 and US$400 per barrel of oil at the factory gate, according to the

Alternative ways to transport hydrogen have been investigated. Because ammonia is much easier and cheaper to transport than hydrogen, the International Renewable Energy Agency has recommended “storing” hydrogen in ammonia for shipping. But that requires additional equipment to put the hydrogen into ammonia and strip it out at its destination. These processes add costs of about US$2.50-US$4.20/kg according toHydrogen is more difficult to handle than conventional fossil fuels.

Source: Tech Daily Report (techdailyreport.net)

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