{"id":6484,"date":"2026-05-24T06:00:12","date_gmt":"2026-05-24T13:00:12","guid":{"rendered":"https:\/\/catbradley.io\/?p=6484"},"modified":"2026-05-24T06:00:12","modified_gmt":"2026-05-24T13:00:12","slug":"used-chopsticks-upgraded-from-waste-to-valuable-material-by-kawasaki-city-thanks-to-chopvalue","status":"publish","type":"post","link":"https:\/\/catbradley.io\/?p=6484","title":{"rendered":"Used chopsticks upgraded from \u201cwaste\u201d to \u201cvaluable material\u201d by Kawasaki City thanks to ChopValue"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-733716\" src=\"https:\/\/soranews24.com\/wp-content\/uploads\/sites\/3\/2026\/05\/main_11de8b.png?w=640\" alt=\"\" width=\"640\" height=\"335\" \/><\/p>\n<p><span>They\u2019re very good at using chopsticks.<\/span><\/p>\n<p><span><\/span><\/p>\n<p>Every day, millions of people in Japan crack open a bento or dig into a restaurant\u2019s meal while holding <a href=\"https:\/\/soranews24.com\/2016\/02\/16\/trending-technique-for-breaking-apart-chopsticks-turns-out-to-be-clever-new-design-by-muji\/\">a pair of chopsticks<\/a> that are destined for the garbage once finished, possibly even sooner if one is dropped on the floor. On the bright side, they\u2019re biodegradable compared to plastic utensils, but it still seems wasteful to discard so much material after one use.<\/p>\n<p>It\u2019s something the Canadian company <strong>ChopValue<\/strong> has been working to address by <strong>developing a method to engineer used chopsticks into a durable and aesthetically pleasing building material<\/strong>. They do this by collecting discarded chopsticks, sterilizing them, and compacting them into a block that\u2019s harder than maple and stronger than oak.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-733717\" src=\"https:\/\/soranews24.com\/wp-content\/uploads\/sites\/3\/2026\/05\/sub3_d1ef95.png?w=640\" alt=\"\" width=\"640\" height=\"335\" \/><\/p>\n<p>The process has been catching on well, and there are currently ChopValue micro-factories all over the world, with <strong>ChopValue Japan having recently opened in 2024 in the city of Kawasaki, Kanagawa Prefecture<\/strong>. It goes without saying that Japan goes through a lot of chopsticks, and <strong>if this business model can expand across the country, it could result in the upcycling of some 20 billion chopsticks a year<\/strong>.<\/p>\n<p>However, <strong>one hurdle to accomplishing this is Japan\u2019s very strict laws regarding waste management<\/strong>. Since chopsticks are considered waste, one would require a special license to be able to collect them from places like restaurants. These are extremely difficult to obtain and are handled by municipalities, meaning ChopValue would have to get a permit in every single city they operate in. Not only that, the restaurants and businesses would also be required to keep detailed records of their chopstick usage and disposal, and that\u2019s not a burden many businesses would be willing to take on.<\/p>\n<p>In the face of this difficulty, ChopValue Japan began working with the Kawasaki City Government on research regarding their techniques for reusing chopsticks. Thanks to this cooperation, <strong>the city has officially upgraded used chopsticks from the classification of \u201cwaste\u201d to \u201cvaluable material.\u201d<\/strong> This means the chopsticks are treated like any normal commodity that can be freely traded and collected without government regulations.<\/p>\n<p>\u25bc So, keep an eye out for chopstick bins in your area.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-733718\" src=\"https:\/\/soranews24.com\/wp-content\/uploads\/sites\/3\/2026\/05\/sub1_4c3884.png?w=640\" alt=\"\" width=\"640\" height=\"450\" \/><\/p>\n<p>Now, before any residents of Kawasaki reading this begin hoarding their own used chopsticks to get rich now that they\u2019re \u201cvaluable material,\u201d there is a very important caveat to this designation. <strong>Only bamboo chopsticks collected by ChopValue are considered \u201cvaluable material,\u201d and any other used chopstick remains as \u201cwaste\u201d in the eyes of the law.<\/strong><\/p>\n<p>Nevertheless, this is a pretty big moment for circular business models in Japan. It set a precedent that ChopValue can take advantage of when setting up micro-factories in other Japanese cities. It also creates a framework that other circular business models can emulate in order to get around longstanding and strict Japanese laws.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-733719\" src=\"https:\/\/soranews24.com\/wp-content\/uploads\/sites\/3\/2026\/05\/sub2_da7bd9.png?w=640\" alt=\"\" width=\"640\" height=\"800\" \/><\/p>\n<p>With the future looking bright for ChopValue Japan, we might be nearing a day when <a href=\"https:\/\/soranews24.com\/2016\/07\/27\/%E3%80%90mr-sato-wisdom%E3%80%91anyone-who-doesnt-take-home-their-disposable-chopsticks-is-a-damn-fool\/\">tossing out disposable chopsticks<\/a> isn\u2019t creating garbage but creating things we can use in our daily lives.<\/p>\n<p><em>Source, images: <a href=\"https:\/\/prtimes.jp\/main\/html\/rd\/p\/000000014.000160806.html\">PR Times<\/a><\/em><br \/>\n<em>\u25cf Want to hear about SoraNews24\u2019s latest articles as soon as they\u2019re published? <a href=\"https:\/\/www.facebook.com\/RocketNews24En\">Follow us on Facebook<\/a> and <a href=\"https:\/\/twitter.com\/RocketNews24En\">Twitter<\/a>!<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>They\u2019re very good at using chopsticks. Every day, millions of people in Japan crack open a bento or dig into a restaurant\u2019s meal while holding a pair of chopsticks that&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[1],"tags":[],"class_list":["post-6484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rss"],"_links":{"self":[{"href":"https:\/\/catbradley.io\/index.php?rest_route=\/wp\/v2\/posts\/6484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/catbradley.io\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/catbradley.io\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/catbradley.io\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/catbradley.io\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6484"}],"version-history":[{"count":0,"href":"https:\/\/catbradley.io\/index.php?rest_route=\/wp\/v2\/posts\/6484\/revisions"}],"wp:attachment":[{"href":"https:\/\/catbradley.io\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/catbradley.io\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/catbradley.io\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}