稀土精炼技术

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美媒:钐、钆、铽、镝、镥、钪、钇中重稀土,美国的精炼能力为零
Sou Hu Cai Jing· 2025-07-20 08:07
Core Viewpoint - The focus of the US-China tariff conflict has shifted from high tariffs to rare earth issues, with China implementing export controls on seven heavy rare earth elements, significantly impacting the US industry [1][16]. Group 1: Impact on US Industry - The lack of rare earth elements is causing significant disruptions in the US, leading to widespread shutdowns in automotive factories and production halts in various sectors, including advanced technologies like robotics [3]. - Major US companies are expressing urgency for government intervention, indicating that they are struggling to cope without access to Chinese rare earth supplies [3]. Group 2: US Rare Earth Resources and Technology - Although the US has its own rare earth mines, it lacks the necessary refining technology, which is critical for producing high-purity rare earth materials [5]. - Australia has reportedly attracted a Chinese rare earth team, but the notion that this could undermine China's dominance in the rare earth sector is considered overly optimistic [5]. Group 3: China's Dominance in Rare Earth Processing - China possesses a complete closed-loop rare earth industry chain, from mining to refining, which is unmatched globally. This includes the ability to handle the environmental challenges associated with rare earth processing [6][9]. - Data shows that 93% of the global rare earth deep processing capacity is located in China, particularly excelling in the purification of magnet-grade materials [9]. Group 4: Comparative Advantages - China can achieve a purity level of 99.9999% (6N grade) for rare earth oxides, while the best the US can manage is 99.99% (4N grade). Additionally, China's cost of rare earth separation is significantly lower than that of Australia [11]. - The yield rate for China's magnet alloy is 92%, compared to only 68% for the US company MP Materials [11]. Group 5: Future Projections - A US research institution estimates that rebuilding a complete rare earth supply chain in the US would require an investment of at least $27 billion and seven years, during which time China may advance to third-generation green smelting technologies [13]. - The US currently has zero refining capability for the heavy rare earth elements samarium, gadolinium, terbium, dysprosium, lutetium, scandium, and yttrium, highlighting a critical dependency on China for processing [15].
美国再努力努力,十年后就能突破中国稀土垄断了
3 6 Ke· 2025-06-15 23:19
Group 1 - Indian Minister of Commerce and Industry Piyush Goyal expressed concerns about the depletion of rare earth reserves and acknowledged that the halt of rare earth permanent magnet exports from China would impact India's manufacturing sector, particularly the automotive industry [1][3] - Goyal mentioned that some companies have submitted applications for rare earth export permits, hoping for a rational response from China to allow Indian enterprises to obtain these permits [1][3] - The recent establishment of a rare earth product information tracking system in China has had a rapid global impact, highlighting the importance of these regulatory measures for national security and global peace [3] Group 2 - The automotive industry is facing supply chain disruptions, with companies like Ford and Suzuki announcing production halts due to parts supply issues related to rare earth materials [4][6] - Major Indian automotive companies, including Tata, Maruti Suzuki, and Mahindra, have raised alarms about the depletion of industrial magnetic components and are lobbying the government for solutions [6][7] - The misconception that traditional fuel vehicles do not rely on rare earth elements has been challenged, as they still utilize rare earth materials, particularly in components like catalytic converters and electric motors [7][9] Group 3 - China's dominance in rare earth processing technology is emphasized, with the country leading in the production of high-purity rare earth elements, including 6N and 7N grades [17][21] - The global competition in rare earth processing technology is highlighted, with the U.S. and Japan lagging behind China in terms of refining capabilities and production capacity [18][20] - The importance of purity in rare earth materials is underscored, as higher purity levels are crucial for applications in military, aerospace, and high-end electronics [21][26] Group 4 - The ongoing geopolitical tensions have led to increased research into alternative materials to replace rare earth magnets, but these alternatives face significant challenges in terms of cost and performance [27][30] - The rarity of high-purity rare earth materials makes them a strategic asset, with the potential for countries to leverage their supply chains for geopolitical advantage [38]
美国也没想到,自己会被直掐命门,特朗普只有放下姿态一条路
Sou Hu Cai Jing· 2025-06-14 08:10
Group 1: U.S.-China Negotiations - The U.S. is facing significant challenges in its industrial sector due to China's control over rare earth exports, which has put critical military production lines at risk of shutdown [1][4] - President Trump is compelled to negotiate with China to alleviate the domestic industrial crisis, which has escalated since the imposition of tariffs [1][12] - The negotiations are complicated by the U.S. offering outdated chip technology as a bargaining chip, which China views as insufficient [15][19] Group 2: Importance of Rare Earth Elements - Rare earth elements are essential for high-tech products, including military aircraft like the F35, which requires over 400 kilograms of rare earth materials per unit [3][4] - The U.S. military's reliance on rare earths extends to future projects, such as the sixth-generation fighter F47, which could face production halts without Chinese supplies [4][12] - The U.S. lacks the refining technology necessary to process its own rare earth resources, making it dependent on China for high-purity industrial materials [5][6][8] Group 3: China's Strategic Position - China has a complete and mature rare earth refining industry, giving it a strategic advantage over the U.S. and its allies [6][19] - The recent negotiations have resulted in China agreeing to temporarily relax export restrictions, but with strict conditions, including limited quotas and monitoring of usage [17][20] - The U.S. is in a precarious position, as it has underestimated China's capabilities and the implications of its own trade policies [19][21]