{"id":172465,"date":"2026-01-21T07:26:00","date_gmt":"2026-01-21T06:26:00","guid":{"rendered":"https:\/\/renewable-carbon.eu\/news\/?p=172465"},"modified":"2026-01-20T10:10:38","modified_gmt":"2026-01-20T09:10:38","slug":"efficient-method-to-capture-carbon-dioxide-from-the-atmosphere-developed-at-the-university-of-helsinki-2","status":"publish","type":"post","link":"https:\/\/renewable-carbon.eu\/news\/efficient-method-to-capture-carbon-dioxide-from-the-atmosphere-developed-at-the-university-of-helsinki-2\/","title":{"rendered":"Efficient method to capture carbon dioxide from the atmosphere developed at the University of Helsinki"},"content":{"rendered":"\n\n\n
\"Tutkijatohtori
Tutkijatohtori Zahra Eshaghi Gorji. \u00a9 University of Helsinki<\/figcaption><\/figure>\n\n\n\n

A new method to capture carbon dioxide from the air has been developed at the University of Helsinki’s chemistry department.<\/strong><\/p>\n\n\n\n

The method developed by Postdoctoral Researcher Zahra Eshaghi Gorji is based on a compound of superbase and alcohol. Tests done in professor Timo Repo\u2019s group show that the compound appears promising: one gram of the compound can absorb 156 milligrams of carbon dioxide directly from untreated ambient air. However, the compound does not react with nitrogen, oxygen or other atmospheric gases. Capasity clearly outperforms the CO2<\/sub> capture methods currently in use.<\/strong><\/p>\n\n\n\n

The CO2<\/sub> captured by the compound can be released by heating the compound at 70\u202f\u00b0C in 30 minutes. Clean CO2<\/sub> is recovered and can be recycled.<\/p>\n\n\n\n

The ease of releasing CO2<\/sub> is the key advantage of the new compound. In current compounds, releasing CO2<\/sub> typically requires heat above 900 degrees Celsius.<\/p>\n\n\n\n

\u2013 In addition, the compound can be used multiple times: the compound retained 75 percent of its original capacity after 50 cycles, and 50 percent after 100 cycles.<\/p>\n\n\n\n

Non-toxic and cost-effective<\/h3>\n\n\n\n

The new compound was discovered by experimenting with a number of bases in different compounds, says Eshagi Gorji. The experiments lasted more than a year in total.<\/p>\n\n\n\n

The most promising base proved to be 1,5,7-triazabicyclo [4.3.0] non-6-ene (TBN), developed at in the professor Ilkka Kilpel\u00e4inen\u2019s group, which was combined with benzyl alcohol to produce the final compound.<\/p>\n\n\n\n

\u2013 None of the components is expensive to produce, Eshaghi Gorji points out. In addition, the fluid is non-toxic.<\/p>\n\n\n\n

The compound will now be tested in pilot plants at a near-industrial scale, rather than in grams. A solid version of the liquid compound must be made for this purpose.<\/p>\n\n\n\n

\u2013 The idea is to bind the compound to compounds such as silica and graphene oxide, which promotes the interaction with carbon dioxide.<\/p>\n\n\n\n

More information: Postdoctoral Researcher Zahra Eshaghi Gorji (in English) zahra.eshaghigorji@helsinki.fi, 046 540 89 78<\/p>\n\n\n\n

Communications Specialist Juha Merimaa, juha.merimaa@helsinki.fi, 050 3017905<\/p>\n\n\n\n

Link to article https:\/\/pubs.acs.org\/doi\/10.1021\/acs.est.5c13908<\/p>\n","protected":false},"excerpt":{"rendered":"

A new method to capture carbon dioxide from the air has been developed at the University of Helsinki’s chemistry department. The method developed by Postdoctoral Researcher Zahra Eshaghi Gorji is based on a compound of superbase and alcohol. Tests done in professor Timo Repo\u2019s group show that the compound appears promising: one gram of the […]<\/p>\n","protected":false},"author":114,"featured_media":172467,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","nova_meta_subtitle":"The method is based on a recyclable filtration fluid consisting of a superbase-alcohol compound. One gram of the new compound can absorb 156 milligrams of carbon dioxide","footnotes":""},"categories":[5571],"tags":[10744,10416,10408,10743],"supplier":[3753],"class_list":["post-172465","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-co2-based","tag-carboncapture","tag-circulareconomy","tag-greenchemistry","tag-useco2","supplier-university-of-helsinki"],"_links":{"self":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts\/172465","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/users\/114"}],"replies":[{"embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/comments?post=172465"}],"version-history":[{"count":0,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts\/172465\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/media\/172467"}],"wp:attachment":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/media?parent=172465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/categories?post=172465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/tags?post=172465"},{"taxonomy":"supplier","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/supplier?post=172465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}