{"id":6361,"date":"2022-06-08T07:18:22","date_gmt":"2022-06-08T07:18:22","guid":{"rendered":"https:\/\/www.africa-press.net\/sierra-leone\/all-news\/scientists-develop-cheaper-more-efficient-platinum-based-catalyst-for-chemical-reactions"},"modified":"2022-06-08T07:58:37","modified_gmt":"2022-06-08T07:58:37","slug":"scientists-develop-cheaper-more-efficient-platinum-based-catalyst-for-chemical-reactions","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/sierra-leone\/all-news\/scientists-develop-cheaper-more-efficient-platinum-based-catalyst-for-chemical-reactions","title":{"rendered":"Scientists Develop Cheaper, More Efficient Platinum-Based Catalyst for Chemical Reactions"},"content":{"rendered":"

Africa-Press – Sierra-Leone. <\/strong><\/span>The invention should decrease the cost of both energy and platinum for catalytic reactions, as well as reduce the carbon footprint \u2013 an important benefit for some economies.<\/p>\n

Scientists from the UNSW Sydney and RMIT in Australia have discovered a way to make platinum, a catalyst that can be used to accelerate chemical reactions such as those used in fertiliser production, cheaper and more effective to use.<\/p>\n

Normally, using platinum as a catalyst is costly and thus unsuitable for producing cheaper goods. Moreover, it must be ground as small as possible to increase its efficiency and is prone to coking \u2013 a process in which a catalyst becomes covered in carbon and is no longer usable.<\/p>\n

However, Australian researchers have discovered a way to dissolve platinum in liquid gallium \u2013 a metal that liquefies at around 30 degrees Celsius (unlike platinum which melts at 1,700 degrees). In such a state, not only is platinum protected from coking, making a platinum-gallium catalyst more reusable, but it also requires smaller amounts of the expensive noble metal.<\/p>\n

With platinum being effectively dissolved into separate atoms, it effectively obtains the highest surface-to-volume ratio possible. In other words, much smaller volumes of pure platinum will be required for catalytic reactions.<\/p>\n

While the platinum-gallium catalyst will still be more expensive than cheaper ones, such as iron, it has another advantage over them. Cheaper catalysts require immense amounts of heating in order to function more or less on par with noble metals \u2013 one of the best catalysts available. With the platinum-gallium catalyst, however, only a limited amount of heat is required to produce it, and none is needed in the process of its use (due to the compound inheriting the melting temperature of gallium).<\/p>\n

In addition, cheaper catalysts are more difficult to re-use, while the platinum-gallium liquid catalyst can be cleared and used again due to both components not reacting with reagents.<\/p>\n

 <\/p>\n

For More News And Analysis About Sierra-Leone<\/a> Follow Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Sierra-Leone. The invention should decrease the cost of both energy and platinum for catalytic reactions, as well as reduce the carbon footprint \u2013 an important benefit for some economies. Scientists from the UNSW Sydney and RMIT in Australia have discovered a way to make platinum, a catalyst that can be used to accelerate […]<\/p>\n","protected":false},"author":84,"featured_media":6360,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,8,9],"tags":[291,293,292],"class_list":["post-6361","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-homepage-english","category-miscellaneous","tag-africa-press","tag-africa-press-sierra-leone","tag-sierra-leone"],"yoast_head":"\nScientists Develop Cheaper, More Efficient Platinum-Based Catalyst for Chemical Reactions - Sierra Leone<\/title>\n<meta name=\"description\" content=\"The invention should decrease the cost of both energy and platinum for catalytic reactions, as well as reduce the carbon ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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