--- title: Helix Carbon says it can make iron cheaper by recycling... description: Helix Carbon, presenting at TechCrunch Disrupt's Startup Battlefield, proposes cleaning up blast furnaces rather than replacing them to decarbonize iron and... canonical: https://daily.dev/posts/helix-carbon-says-it-can-make-iron-cheaper-by-recycling-blast-furnace-pollution-azzxemkoy twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Helix Carbon says it can make iron cheaper by recycling blast furnace pollution | daily.dev og:description: Helix Carbon, presenting at TechCrunch Disrupt's Startup Battlefield, proposes cleaning up blast furnaces rather than replacing them to decarbonize iron and... og:url: https://daily.dev/posts/helix-carbon-says-it-can-make-iron-cheaper-by-recycling-blast-furnace-pollution-azzxemkoy og:image: https://api.daily.dev/og/posts/AZZxEMkOY.png og:image:alt: Helix Carbon says it can make iron cheaper by recycling blast furnace pollution og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Helix Carbon says it can make iron cheaper by recycling blast furnace pollution **[TechCrunch](https://daily.dev/sources/tc)** · 3 min read · 0 upvotes · 0 comments ## Summary Helix Carbon, presenting at TechCrunch Disrupt's Startup Battlefield, proposes cleaning up blast furnaces rather than replacing them to decarbonize iron and steel production. Its electrolyzer converts waste CO2 from blast furnace exhaust back into carbon monoxide, which can replace up to a third of the coke used in iron smelting, cutting emissions while saving producers an estimated $14 per ton of iron. The startup plans to first sell to specialty chemical makers before targeting the slower-moving, century-old blast furnace equipment market. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How does Helix Carbon's technology reduce coke use in blast furnaces? Helix Carbon uses an electrolyzer that converts waste carbon dioxide from blast furnace exhaust back into carbon monoxide, which is injected into the furnace to help reduce iron ore. Unlike most electrolyzers, its design handles raw, unpurified exhaust directly. The company proposes replacing 33% of coke this way, estimating $14 per ton of iron in savings for producers. _Developers tracking climate tech and industrial decarbonization startups can follow emerging approaches like this on daily.dev._ ## Similar posts on daily.dev - [A new way to make steel could reduce America’s reliance on imports](https://daily.dev/posts/a-new-way-to-make-steel-could-reduce-america-s-reliance-on-imports-tedjdfvkh) · MIT News · 0 upvotes · 0 comments - [This founder is making cheaper, cleaner steel](https://daily.dev/posts/this-founder-is-making-cheaper-cleaner-steel-gxbgjvw6y) · MIT Technology Review · 0 upvotes · 0 comments - [A Looming Rare Earth Shortage Threatens Critical Tech](https://daily.dev/posts/a-looming-rare-earth-shortage-threatens-critical-tech-ceejn20ot) · IEEE Spectrum · 0 upvotes · 0 comments - [Using Electrolysis For More Than Just Generating Hydrogen](https://daily.dev/posts/using-electrolysis-for-more-than-just-generating-hydrogen-iru0x5ivc) · Hackaday · 0 upvotes · 0 comments - [Inside a $1.1B deal to reshore critical minerals refining](https://daily.dev/posts/inside-a-1-1b-deal-to-reshore-critical-minerals-refining-iyrzgrc90) · TechCrunch · 0 upvotes · 0 comments --- Tags: [#startup](https://daily.dev/tags/startup), [#climate-tech](https://daily.dev/tags/climate-tech) [View this post on daily.dev](https://daily.dev/posts/helix-carbon-says-it-can-make-iron-cheaper-by-recycling-blast-furnace-pollution-azzxemkoy) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Helix Carbon says it can make iron cheaper by recycling blast furnace pollution","url":"https://daily.dev/posts/helix-carbon-says-it-can-make-iron-cheaper-by-recycling-blast-furnace-pollution-azzxemkoy","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/helix-carbon-says-it-can-make-iron-cheaper-by-recycling-blast-furnace-pollution-azzxemkoy"},"datePublished":"2026-10-13T21:18:39.392Z","dateModified":"2026-10-13T22:34:21.871Z","description":"Helix Carbon, presenting at TechCrunch Disrupt's Startup Battlefield, proposes cleaning up blast furnaces rather than replacing them to decarbonize iron and...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/096180c9d1a950592c3e7cd6bb534a46?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/096180c9d1a950592c3e7cd6bb534a46?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"TechCrunch","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"TechCrunch","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/tc","url":"https://daily.dev/sources/tc"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/helix-carbon-says-it-can-make-iron-cheaper-by-recycling-blast-furnace-pollution-azzxemkoy","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"startup,climate-tech","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"TechCrunch","item":"https://daily.dev/sources/tc"},{"@type":"ListItem","position":3,"name":"Helix Carbon says it can make iron cheaper by recycling blast furnace pollution"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/helix-carbon-says-it-can-make-iron-cheaper-by-recycling-blast-furnace-pollution-azzxemkoy#faq","mainEntity":[{"@type":"Question","name":"How does Helix Carbon's technology reduce coke use in blast furnaces?","acceptedAnswer":{"@type":"Answer","text":"Helix Carbon uses an electrolyzer that converts waste carbon dioxide from blast furnace exhaust back into carbon monoxide, which is injected into the furnace to help reduce iron ore. Unlike most electrolyzers, its design handles raw, unpurified exhaust directly. The company proposes replacing 33% of coke this way, estimating $14 per ton of iron in savings for producers. Developers tracking climate tech and industrial decarbonization startups can follow emerging approaches like this on daily.dev."}}]} ```