{"id":12777,"date":"2024-05-22T18:01:43","date_gmt":"2024-05-22T15:01:43","guid":{"rendered":"https:\/\/ch.jfdi.cc\/?p=12777"},"modified":"2024-05-22T18:01:43","modified_gmt":"2024-05-22T15:01:43","slug":"australian-researchers-turn-morning-coffee-waste-into-greener-concrete","status":"publish","type":"post","link":"https:\/\/ch.jfdi.cc\/?p=12777","title":{"rendered":"Australian researchers turn morning coffee waste into greener concrete"},"content":{"rendered":"<p>Your morning coffee could help the planet.<br \/>\nThat\u2019s the promise of an Australian university turning used coffee grounds into a material that can be added to concrete to make it stronger and more sustainable, potentially lowering greenhouse gas emissions.<br \/>\nConcrete production, which involves mixing sand and gravel with cement and water, is a major producer of greenhouse gases, responsible for around 7% of the world\u2019s emissions, according to the United Nations.<br \/>\nResearchers at Melbourne\u2019s RMIT University heated coffee waste without oxygen, a process known as pyrolysis, to create a substance called biochar that can replace up to 15% of the sand used in concrete.<br \/>\nThe inclusion of the biochar makes the concrete 30% stronger and reduces the amount of cement needed by up to 10%, said lead researcher Rajeev Roychand.<br \/>\n\u201cThis ticks all the boxes,\u201d he said. \u201cYou preserve carbon and you are getting significantly higher strength.\u201d<br \/>\nRoughly 50 billion metric tons of sand is dug up each year, mostly for use in concrete, a 2022 U.N. report said. Its extraction is often environmentally destructive and it is in increasingly short supply, the report said.<br \/>\nCement production, which involves heating a mixture of limestone and clay to around 1,500\u200a degrees Celsius (2,732\u00b0F), is responsible for most of concrete\u2019s emissions.<br \/>\n<strong>BIOCHAR COMPANY<\/strong><br \/>\nThe Macedon Ranges Shire Council near Melbourne used the coffee concrete earlier this month to construct a footpath.<br \/>\nRMIT is talking with several construction firms and concrete makers and with Starbucks SBUX.O to take its waste coffee grounds, and could form a company to make biochar, Roychand said. Starbucks did not respond to a request for comment.<br \/>\nAustralian infrastructure company Bild Group said it planned to trial the concrete and hoped to use it on major road projects. Construction giant Arup supported the research.<br \/>\nMillions of tons of used coffee grounds are produced globally and most are sent to landfills where they emit methane as they break down.<br \/>\nAustralia generates around 75,000 tons of waste coffee grounds a year and biochar made from this could replace up to 655,000 tons of sand in concrete because it is a denser material, Roychand said. Globally, coffee-waste biochar could replace up to 90 million tons of sand in concrete, he said.<br \/>\nFood waste accounts for around 3% of Australia\u2019s emissions, according to the government, and most could eventually be made into biochar, Roychand said.<br \/>\n\u201cWe anticipate that about 60-70% (of organic waste) we can divert from landfill into concrete applications,\u201d he said.<br \/>\nOther international universities are also researching the potential of biochar and other bio-engineering in concrete. RMIT was the first to use waste coffee grounds in this way, Roychand said.<br \/>\n(Reuters)coffee waste concrete. coffee grounds, concrete, sustainability<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An Australian university is turning used coffee grounds into a material that can be added to concrete, making it stronger and more sustainable. This process could potentially lower greenhouse gas emissions from concrete production. The biochar created from coffee waste can replace up to 15% of the sand used in concrete, making the concrete 30% stronger and reducing the amount of cement needed by up to 10%. This innovation has the potential to reduce the amount of sand extracted for concrete production, which is environmentally destructive and in short supply. The coffee concrete has already been used in constructing a footpath, and there are plans to expand its use in major road projects. Millions of tons of used coffee grounds are produced globally and could be turned into biochar for concrete applications, potentially reducing emissions from food waste as well. Other universities are also researching the use of biochar in concrete, but RMIT was the first to utilize waste coffee grounds in this way.<\/p>\n","protected":false},"author":5,"featured_media":12778,"comment_status":"open","ping_status":"closed","sticky":false,"template":"Default","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[1521,328,694,6782,10892,279,10893,1625,203,4382,4548,415,10650,4584,1295,6403,63,187,885,8872,5402,4620,2871,6074,470,2556,6377,3897,1906,1759,1001,7850,884,962,18],"class_list":["post-12777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-other","tag-1521","tag-australia","tag-climate-crisis","tag-coffee","tag-coffee-grounds","tag-comment","tag-concrete","tag-construction","tag-environment","tag-food","tag-gas","tag-government","tag-gravel","tag-greenhouse-gas-emissions","tag-inclusion","tag-infrastructure","tag-innovation","tag-international","tag-popular-on-web","tag-production","tag-projects","tag-report","tag-request","tag-research","tag-road","tag-road-projects","tag-strength","tag-sustainability","tag-trial","tag-united-nations","tag-universities","tag-university","tag-waste","tag-water","tag-world"],"acf":{"keyphrase":"","keywords":"","sourceimg":"","country-category":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Australian researchers turn morning coffee waste into greener concrete<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Australian researchers turn morning coffee waste into greener concrete\" \/>\n<meta property=\"og:description\" content=\"An Australian university is turning used coffee grounds into a material that can be added to concrete, making it stronger and more sustainable. This process could potentially lower greenhouse gas emissions from concrete production. The biochar created from coffee waste can replace up to 15% of the sand used in concrete, making the concrete 30% stronger and reducing the amount of cement needed by up to 10%. This innovation has the potential to reduce the amount of sand extracted for concrete production, which is environmentally destructive and in short supply. The coffee concrete has already been used in constructing a footpath, and there are plans to expand its use in major road projects. Millions of tons of used coffee grounds are produced globally and could be turned into biochar for concrete applications, potentially reducing emissions from food waste as well. Other universities are also researching the use of biochar in concrete, but RMIT was the first to utilize waste coffee grounds in this way.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ch.jfdi.cc\/?p=12777\" \/>\n<meta property=\"og:site_name\" content=\"ch.jfdi.cc\" \/>\n<meta property=\"article:published_time\" content=\"2024-05-22T15:01:43+00:00\" \/>\n<meta name=\"author\" content=\"PhileNews (Cyprus)\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"PhileNews (Cyprus)\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" 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