{"id":11552,"date":"2025-12-02T11:10:14","date_gmt":"2025-12-02T04:10:14","guid":{"rendered":"https:\/\/www.its.ac.id\/tmaterial\/?p=11552"},"modified":"2025-12-02T11:10:14","modified_gmt":"2025-12-02T04:10:14","slug":"its-unveils-breakthrough-solar-powered-cuo-nanocellulose-photoreactor-a-smart-solution-for-sustainable-batik-waste-management","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/tmaterial\/en\/its-unveils-breakthrough-solar-powered-cuo-nanocellulose-photoreactor-a-smart-solution-for-sustainable-batik-waste-management\/","title":{"rendered":"ITS Unveils Breakthrough Solar-Powered CuO\/Nanocellulose Photoreactor: A Smart Solution for Sustainable Batik Waste Management"},"content":{"rendered":"<p data-start=\"134\" data-end=\"712\">SIDOARJO \u2013 The deep-colored wastewater produced from synthetic dyes has long been a major challenge for many small-scale batik businesses. Difficult to treat and costly to process due to high electricity needs, it often becomes a burden for micro and small enterprises. But a promising solution has arrived. A team from the Community Service Thematic Internship (KKN Abmas) of Institut Teknologi Sepuluh Nopember (ITS) has successfully developed a two-stage, solar-powered photoreactor capable of treating batik wastewater efficiently, affordably, and in an eco-friendly manner.<\/p>\n<p data-start=\"714\" data-end=\"1174\">Led by Haniffudin Nurdiansah, S.T., M.T., a lecturer from the Department of Materials and Metallurgical Engineering ITS, the team addressed the root issues faced by batik artisans\u2014including limited waste-processing facilities and high operational costs. \u201cWe designed this tool so that MSMEs can treat wastewater without relying on grid electricity. The goal is to reduce operational expenses and provide a more applicable waste treatment method,\u201d he explained.<\/p>\n<p data-start=\"714\" data-end=\"1174\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-11553 size-large aligncenter\" src=\"https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-1-1-1024x768.jpeg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-1-1-1024x768.jpeg 1024w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-1-1-300x225.jpeg 300w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-1-1-768x576.jpeg 768w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-1-1-1536x1152.jpeg 1536w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-1-1-355x266.jpeg 355w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-1-1.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p data-start=\"714\" data-end=\"1174\"><img decoding=\"async\" class=\"aligncenter wp-image-11554 size-large\" src=\"https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-2-1024x768.jpeg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-2-1024x768.jpeg 1024w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-2-300x225.jpeg 300w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-2-768x576.jpeg 768w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-2-1536x1152.jpeg 1536w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-2-355x266.jpeg 355w, https:\/\/www.its.ac.id\/tmaterial\/wp-content\/uploads\/sites\/26\/2025\/12\/WhatsApp-Image-2025-12-02-at-10.21.28-2.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h3 data-start=\"1176\" data-end=\"1228\"><strong data-start=\"1180\" data-end=\"1228\">Modern Technology, Free Energy from Sunlight<\/strong><\/h3>\n<p data-start=\"1230\" data-end=\"1566\">The photoreactor innovation utilizes solar energy to drive a photocatalytic process that breaks down synthetic dye molecules such as methylene blue\u2014one of the most difficult dyes to degrade. Copper oxide (CuO) serves as the photocatalytic semiconductor, while nanocellulose functions as an adsorbent to enhance purification performance.<\/p>\n<p data-start=\"1568\" data-end=\"2087\">The system operates in two main stages. First, wastewater flows through the photoreactor tube where dye molecules are degraded under UV exposure. In the second stage, the partially treated water is passed through a filtration column filled with silica sand, activated carbon, coconut fiber, zeolite, and gravel to remove residual contaminants. The results are remarkable: methylene blue absorbance dropped from 1.209 to 0.091\u2014equivalent to a degradation rate of 92.47%. The once deep-blue wastewater turns nearly clear.<\/p>\n<h3 data-start=\"2089\" data-end=\"2137\"><strong data-start=\"2093\" data-end=\"2137\">Batik UMKM Al-Huda Feels the Real Impact<\/strong><\/h3>\n<p data-start=\"2139\" data-end=\"2571\">UMKM Rumah Batik Al-Huda in Perum Sidokare Asri, Sidoarjo, served as the partner site for implementing the technology. The owner, Ir. Nurul Huda, M.Agr, expressed great relief and appreciation for the innovation. \u201cWe previously relied only on bleaching the wastewater with chlorine, which raised concerns about environmental impacts. This tool is truly helpful\u2014safer, cleaner, and free from excessive chemical dependence,\u201d she said.<\/p>\n<p data-start=\"2573\" data-end=\"2821\">Beyond solving waste issues, the technology brings new opportunities for small-scale batik producers. By harnessing abundant solar energy, MSMEs can now adopt environmentally responsible production practices without incurring extra operating costs.<\/p>\n<h3 data-start=\"2823\" data-end=\"2883\"><strong data-start=\"2827\" data-end=\"2883\">Encouraging MSMEs to Shift Toward Cleaner Production<\/strong><\/h3>\n<p data-start=\"2885\" data-end=\"3192\">Haniffudin hopes this innovation will inspire more MSMEs in Sidoarjo and surrounding regions to adopt responsible waste management technologies. \u201cEconomic growth in MSMEs must go hand-in-hand with environmental sustainability. We hope ITS continues to be part of real solutions for the community,\u201d he added.<\/p>\n<p data-start=\"3194\" data-end=\"3418\">With the introduction of this CuO\/nanocellulose solar-powered photoreactor, ITS once again demonstrates its commitment not only to developing advanced technologies but also ensuring they deliver tangible benefits to society.<\/p>\n<p data-start=\"3420\" data-end=\"3618\" data-is-last-node=\"\" data-is-only-node=\"\">This innovation\u2014born from the collaboration between students and lecturers\u2014marks an important step toward creating a cleaner, energy-efficient, and sustainable future for Indonesia\u2019s batik industry.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SIDOARJO \u2013 The deep-colored wastewater produced from synthetic dyes has long been a major challenge for many small-scale batik businesses. Difficult to treat and costly to process due to high electricity needs, it often becomes a burden for micro and small enterprises. But a promising solution has arrived. A team from the Community Service Thematic [&hellip;]<\/p>\n","protected":false},"author":821,"featured_media":11554,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[7,319],"tags":[],"class_list":["post-11552","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-information","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ITS Unveils Breakthrough Solar-Powered CuO\/Nanocellulose Photoreactor: A Smart Solution for Sustainable Batik Waste Management - Departemen Teknik Material<\/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:\/\/www.its.ac.id\/tmaterial\/en\/its-unveils-breakthrough-solar-powered-cuo-nanocellulose-photoreactor-a-smart-solution-for-sustainable-batik-waste-management\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ITS Unveils Breakthrough Solar-Powered CuO\/Nanocellulose Photoreactor: A Smart Solution for Sustainable Batik Waste Management - Departemen Teknik Material\" \/>\n<meta property=\"og:description\" content=\"SIDOARJO \u2013 The deep-colored wastewater produced from synthetic dyes has long been a major challenge for many small-scale batik businesses. 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