{"id":443,"date":"2021-09-22T15:14:01","date_gmt":"2021-09-22T14:14:01","guid":{"rendered":"http:\/\/blogs.exeter.ac.uk\/em3group\/?p=443"},"modified":"2021-09-22T15:14:01","modified_gmt":"2021-09-22T14:14:01","slug":"juan-lorenzo-tallafigo","status":"publish","type":"post","link":"https:\/\/sites.exeter.ac.uk\/em3group\/2021\/09\/22\/juan-lorenzo-tallafigo\/","title":{"rendered":"Juan Lorenzo Tallafigo"},"content":{"rendered":"<p><span style=\"font-size: 10.0pt;font-family: 'Verdana',sans-serif\">Juan has visited us from Spain. He is doing his PhD in the University of Seville (Spain) in the Biohydrometallurgy group studying the reprocessing of sulfidic tailings through hydrometallurgical techniques, such as bioleaching (extraction of metals with the help of microorganisms).<\/span><\/p>\n<figure id=\"attachment_446\" aria-describedby=\"caption-attachment-446\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-446\" src=\"https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/2L-reactors-300x138.jpg\" alt=\"\" width=\"300\" height=\"138\" srcset=\"https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/2L-reactors-300x138.jpg 300w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/2L-reactors-1024x472.jpg 1024w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/2L-reactors-768x354.jpg 768w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/2L-reactors-1536x708.jpg 1536w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/2L-reactors.jpg 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-446\" class=\"wp-caption-text\">Two-liter stirred tank reactors used during Juan&#8217;s bioleaching experiments. The reactors are stirred, aerated and heated to create optimal conditions for microbial growth.<\/figcaption><\/figure>\n<p><span style=\"font-size: 10.0pt;font-family: 'Verdana',sans-serif\">He has spent 12 weeks as a visiting student at the Environmental and Sustainability Institute to study the effect of nutrients on the bioleaching of tailings from the Cobre Las Cruces Mine and to characterise several bioleaching cultures. Juan has used a bioleaching bacterial consortium for his experiments that was obtained\u00a0 from an acid mine drainage in the Iberian Pyrite Belt (southwest Spain) several years ago. He has also extracted DNA from the consortium and from his experiments to determine the microbial composition of the bioleaching community and to ascertain the effect of nutrient addition on such community. During his visit, Juan also learnt how to make plates, specially designed to grow acidophilic iron and sulfur oxidisers. <\/span><\/p>\n<figure id=\"attachment_445\" aria-describedby=\"caption-attachment-445\" style=\"width: 213px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-445\" src=\"https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/WhatsApp-Image-2021-09-21-at-10.05.42-PM-300x297.jpeg\" alt=\"\" width=\"213\" height=\"211\" srcset=\"https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/WhatsApp-Image-2021-09-21-at-10.05.42-PM-300x297.jpeg 300w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/WhatsApp-Image-2021-09-21-at-10.05.42-PM-1024x1014.jpeg 1024w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/WhatsApp-Image-2021-09-21-at-10.05.42-PM-150x150.jpeg 150w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/WhatsApp-Image-2021-09-21-at-10.05.42-PM-768x761.jpeg 768w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/WhatsApp-Image-2021-09-21-at-10.05.42-PM-1536x1522.jpeg 1536w, https:\/\/sites.exeter.ac.uk\/em3group\/wp-content\/uploads\/sites\/315\/2021\/09\/WhatsApp-Image-2021-09-21-at-10.05.42-PM.jpeg 1600w\" sizes=\"(max-width: 213px) 100vw, 213px\" \/><figcaption id=\"caption-attachment-445\" class=\"wp-caption-text\"><br \/>Iron oxidising acidophilic microorganisms grown on solid media.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Juan has visited us from Spain. He is doing his PhD in the University of Seville (Spain) in the Biohydrometallurgy group studying the reprocessing of [&hellip;]<\/p>\n","protected":false},"author":1129,"featured_media":444,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[21],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Juan Lorenzo Tallafigo - ENVIRONMENT: METALS MICROBES AND MINERALS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites.exeter.ac.uk\/em3group\/2021\/09\/22\/juan-lorenzo-tallafigo\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Juan Lorenzo Tallafigo - ENVIRONMENT: METALS MICROBES AND MINERALS\" \/>\n<meta property=\"og:description\" content=\"Juan has visited us from Spain. 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