{"id":238122,"date":"2025-03-16T10:22:00","date_gmt":"2025-03-16T14:22:00","guid":{"rendered":"https:\/\/inspenet.com\/?p=238122"},"modified":"2025-03-16T10:23:09","modified_gmt":"2025-03-16T14:23:09","slug":"solar-process-converts-sewage-sludge-into-green-hydrogen-and-animal-feed","status":"publish","type":"noticias","link":"https:\/\/inspenet.com\/en\/news\/solar-process-converts-sewage-sludge-into-green-hydrogen-and-animal-feed\/","title":{"rendered":"Solar process converts sewage sludge into green hydrogen and animal feed"},"content":{"rendered":"\n

Nanyang Technological University (NTU) in Singapore has developed an innovative method that uses solar energy to transform sewage sludge<\/strong> , a byproduct of wastewater treatment<\/a><\/strong> , into green hydrogen and single-cell proteins for animal feed.<\/p>\n\n

A sustainable solution for recycling sewage sludge<\/h2>\n\n

Sewage sludge is a growing global concern. With increasing urbanization and industry, more than 100 million tons of this waste<\/strong> are generated each year. <\/p>\n\n

Although traditional methods, such as incineration and landfill, are common, they are often inefficient and environmentally friendly. Therefore, NTU scientists have developed a solar process that integrates mechanical, chemical, and biological techniques to transform this waste into useful and sustainable products. <\/p>\n\n

What is the process for transformation?<\/h2>\n\n

The process consists of three steps. First, the sludge is mechanically broken down, followed by a chemical treatment that removes heavy metals and other contaminants. Then, a solar-<\/a><\/strong> powered electrochemical process converts the organic materials into valuable products such as hydrogen, used as a clean energy source, and acetic acid, useful in various industries. Finally, light-activated bacteria convert the remaining nutrients into single-cell proteins suitable for animal feed. <\/p>\n\n

In laboratory tests, the new process has proven capable of recovering 91.4% of the organic carbon from sludge<\/strong> , making it a much more cost-effective and environmentally friendly option than anaerobic digestion, which recovers only 50% of these materials.<\/p>\n\n

A greener future<\/h2>\n\n

NTU researchers believe this method represents an important step toward greener and more sustainable waste management. The use of solar energy offers a clean source of hydrogen and also contributes to the circular economy, transforming sewage sludge from an environmental problem into a valuable resource for energy and food production<\/a><\/strong> . <\/p>\n\n

However, while the results are promising, further studies are still needed to determine the feasibility of scaling this process globally. The study has been published in the scientific journal Nature Water<\/a><\/strong> . <\/p>\n\n

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Source: Nanyang Technological University (NTU) in Singapore<\/a><\/strong><\/p>\n\n

Photo: Shutterstock<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

This technology converts sewage sludge into valuable resources such as green hydrogen and protein for animal feed.<\/p>\n","protected":false},"author":9014,"featured_media":237785,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categoria_noticias":[13026,13044],"etiqueta_noticias":[],"class_list":["post-238122","noticias","type-noticias","status-publish","has-post-thumbnail","hentry","categoria_noticias-energy","categoria_noticias-new-energies"],"acf":[],"_links":{"self":[{"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/noticias\/238122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/noticias"}],"about":[{"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/types\/noticias"}],"author":[{"embeddable":true,"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/users\/9014"}],"replies":[{"embeddable":true,"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/comments?post=238122"}],"version-history":[{"count":0,"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/noticias\/238122\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/media\/237785"}],"wp:attachment":[{"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/media?parent=238122"}],"wp:term":[{"taxonomy":"categoria_noticias","embeddable":true,"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/categoria_noticias?post=238122"},{"taxonomy":"etiqueta_noticias","embeddable":true,"href":"https:\/\/inspenet.com\/en\/wp-json\/wp\/v2\/etiqueta_noticias?post=238122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}