{"id":51466,"date":"2019-01-23T13:50:41","date_gmt":"2019-01-23T13:50:41","guid":{"rendered":"https:\/\/www.pbctoday.co.uk\/news\/?p=51466"},"modified":"2019-01-23T13:50:41","modified_gmt":"2019-01-23T13:50:41","slug":"sustainable-biosolids-bricks","status":"publish","type":"post","link":"https:\/\/www.pbctoday.co.uk\/news\/planning-construction-news\/sustainable-biosolids-bricks\/51466\/","title":{"rendered":"Biosolids bricks offer sustainable solution"},"content":{"rendered":"

A team at RMIT University<\/a> in Melbourne, Australia, has demonstrated that fired-clay bricks incorporating biosolids could be a sustainable solution for both wastewater treatment and brickmaking industries<\/h2>\n

Published this month in the journal\u00a0Buildings<\/a>, the research highlighted how making biosolids bricks only required around half the energy of conventional bricks.<\/p>\n

As well as being cheaper to produce, the biosolids bricks also had a lower thermal conductivity, transferring less heat to potentially give buildings higher environmental performance.<\/p>\n

Lead investigator Associate Professor Abbas Mohajerani said the research sought to tackle two environmental issues \u2013 the stockpiles of biosolids and the excavation of soil required for brick production<\/a>.<\/p>\n

Mohajerani said: \u201cMore than 3 billion cubic metres of clay soil is dug up each year for the global brickmaking industry, to produce about 1.5 trillion bricks.<\/p>\n

\u201cUsing biosolids in bricks could be the solution to these big environmental challenges.<\/p>\n

\u201cIt\u2019s a practical and sustainable proposal for recycling the biosolids currently stockpiled or going to landfill around the globe.\u201d<\/p>\n

The biosolid bricks passed compressive strength tests and analysis demonstrated heavy metals are largely trapped within the brick. Biosolids can have significantly different chemical characteristics, so the researchers recommend further testing before large-scale production.<\/p>\n

The biosolids bricks are more porous than standard bricks, giving them lower thermal conductivity.<\/p>\n

The research also showed brick firing energy demand was cut by up to 48.6% for bricks incorporating 25% biosolids. This is due to the organic content of the biosolids and could considerably reduce the carbon footprint<\/a> of brick manufacturing companies.<\/p>\n

The results of a comparative\u00a0Life Cycle Assessment<\/a>\u00a0and an\u00a0emissions study<\/a>\u00a0conducted as part of the research confirmed biosolids bricks offered a sustainable alternative approach to addressing the environmental impacts of biosolids management and brick manufacturing.<\/p>\n

\n<\/div>","protected":false},"excerpt":{"rendered":"

A team at RMIT University in Melbourne has demonstrated that biosolids bricks could be a sustainable solution for wastewater treatment and brickmaking.<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[304],"tags":[583,430,273,465],"stakeholder_rel_tag":[],"contributor_rel_tag":[],"class_list":{"0":"post-51466","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-planning-construction-news","7":"tag-construction-products","8":"tag-energy-efficiency","9":"tag-research-innovation","10":"tag-sustainable-construction"},"acf":[],"yoast_head":"\nBiosolids bricks offer sustainable solution<\/title>\n<meta name=\"description\" content=\"A team at RMIT 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