Summary:Rio Tinto and China Baowu complete joint shaft furnace trials. The new low-carbon shaft furnace technology improves efficiency and cuts emissions for global ironmaking production....

Rio Tinto and China Baowu have successfully completed joint shaft furnace trials, marking a major breakthrough in collaborative low-carbon ironmaking technology research. The two industry giants launched the pilot program to test upgraded shaft furnace processes, aiming to cut carbon emissions, improve production efficiency and optimize raw material utilization in iron and steel manufacturing. This joint trial combines Rio Tinto’s mineral resource expertise and China Baowu’s advanced metallurgical technology, delivering reliable operational data and technical verification for the next phase of large-scale industrial application. The results are widely valued across the global mining and metallurgy sectors.
Project Background & Trial Overview
Traditional blast furnace ironmaking faces growing pressure from carbon reduction policies and rising operating costs, pushing major enterprises to develop new furnace technologies. As leading players in mining and steel production, Rio Tinto and China Baowu launched this cooperation to explore efficient, eco-friendly shaft furnace solutions suitable for diverse iron ore feedstocks.
The full-scale shaft furnace trials ran for several months at a dedicated pilot base. The team conducted multiple rounds of parameter testing, focusing on ore adaptability, thermal efficiency, product quality and emission performance. All preset test items were completed as scheduled, and core operational indicators met design expectations.
| Test Item | Trial Result | Core Advantage |
|---|---|---|
| Ore material adaptability | Stable operation with mixed iron ore | Wider range of usable raw materials |
| Thermal efficiency | 8% higher than conventional equipment | Lower fuel consumption |
| Carbon emission level | Significant carbon reduction | Compliant with low-carbon standards |
| Product output & quality | Consistent qualified output | Stable industrial production |
Core Technical Highlights of the Trials
The joint shaft furnace trials focused on optimizing structural design and operational parameters. Different from conventional equipment, the upgraded shaft furnace features enhanced gas circulation systems and intelligent temperature control modules. It can fully process lump ore and pellet products supplied by Rio Tinto, maximizing the value of iron ore resources.
During the test period, technicians adjusted feeding speed, air volume and combustion ratios for repeated verification. Data shows the new process not only simplifies production workflows, but also reduces equipment wear and routine maintenance workload. For iron and steel enterprises, this technology can effectively lower long-term operational expenditure while supporting green transformation targets.
The cooperation also proves the compatibility between international mineral supply and domestic metallurgical technology. It builds a solid technical foundation for long-term strategic partnership between Rio Tinto and China Baowu in raw material supply and process innovation.
Industry Impact & Development Prospect
The completion of these trials comes amid the global push for decarbonization in the metallurgical industry. Traditional high-carbon production methods are gradually being phased out, and low-carbon furnace technology has become a key development direction for mining and steel sectors.
Rio Tinto’s high-quality iron ore resources paired with China Baowu’s mature manufacturing experience make the new shaft furnace solution highly replicable. Once promoted to industrial production, it will set a new benchmark for low-carbon ironmaking, and drive more enterprises to upgrade outdated production lines.
Both parties stated they will further analyze trial data, polish technical details and advance to industrial demonstration projects in the next stage. This joint innovation will also strengthen the supply chain linkage between global iron ore producers and steel manufacturers.
Conclusion
Rio Tinto and China Baowu have fully wrapped up their landmark shaft furnace trials, achieving expected technical and operational results. This joint R&D project integrates resources and technologies from two industry leaders, delivering a practical low-carbon solution for modern ironmaking. With outstanding efficiency, strong material adaptability and obvious environmental benefits, the upgraded shaft furnace technology will play an important role in promoting the sustainable development of global mining and metallurgy. The industry will continue to follow up on the subsequent industrial promotion progress of this innovative technology.

