{"id":27665,"date":"2009-01-05T12:20:00","date_gmt":"2009-01-05T12:20:00","guid":{"rendered":""},"modified":"2020-05-14T18:38:11","modified_gmt":"2020-05-14T18:38:11","slug":"2665-green-cement-could-cut-co2","status":"publish","type":"post","link":"https:\/\/dialogue.earth\/en\/uncategorized\/2665-green-cement-could-cut-co2\/","title":{"rendered":"“Green” cement “could cut CO2”"},"content":{"rendered":"

\nDeveloped by a team of scientists led by Nikolaos Vlasopoulos of the engineering company Novacem, the product requires less heating than
\nregular cement and absorbs CO2 as it cools, making the process carbon-negative.  Scientists say that the "green" cement can absorb
\n0.6 tonnes of CO2 per tonne of cement, while standard cement production emits about 0.4 tonnes of CO2 per tonne of cement.<\/p>\n

The London-based company has begun a US$2.2 million project to build a pilot plant, funded by the UK government-backed Technology Strategy
\nBoard.<\/p>\n

About 2 billion tonnes of cement are produced annually, generating 5% of the world’s CO2 emissions – exceeding the carbon output of the
\naviation industry. Rising levels of CO2, a greenhouse gas, have been implicated in climate change. By 2020, the demand for cement is
\nexpected to grow by 50%, according to a report by the French bank Credit Agricole.<\/p>\n

See full story<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

British engineers say they have developed a new kind of environmentally friendly cement that absorbs — rather than emits — large amounts of carbon dioxide (CO2) during production, the Guardian<\/em> reported. The new magnesium silicates-based cement, which has attracted the attention of some construction companies and investors, could be on the market within five years.<\/p>\n","protected":false},"author":36,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_has_post_settings":[],"footnotes":""},"categories":[1],"tags":[],"hashtags":[],"country":[],"class_list":["post-27665","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"\n"Green" cement "could cut CO2" | Dialogue Earth<\/title>\n<meta name=\"description\" content=\"British engineers say they have developed a new kind of environmentally friendly cement that absorbs -- rather than emits -- large amounts of carbon dioxide (CO2) during production, the Guardian reported. 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