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纯度99.99999%!柳州又一新突破获媒体关注

  • 2026-02-09 04:52:23
纯度99.99999%!柳州又一新突破获媒体关注
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一吨金属中杂质不超过0.1克!这不是科幻设定,而是柳州刚刚实现的科技突破!近日,位于柳州市柳东新区科技园的铟锡资源高效利用国家工程实验室取得重大技术突破,研究人员成功研发并制备出纯度超越七个“9”的高纯铟产品,进一步彰显柳州在关键金属新材料领域的硬核研发实力。新华网、《广西新闻》《广西日报》、广西新闻网、柳州1号App等多家媒体关注报道。

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推动关键金属产业创新发展,是关系全区高质量发展全局的核心课题。立足国家战略需求,广西以科技创新与产业创新深度融合为驱动,全力推动关键金属产业向高端化、智能化、绿色化、规模化、园区化迈进,加快实现从“有色金属大省区”向“有色金属强省区”的跨越。

在梧州华锡环保科技有限公司,机器轰鸣,设备满负荷运转。近年来,企业持续探索危废物料资源化综合回收工艺技术,取得关键突破。以往,铅冶炼系统排放出的废渣虽含有稀贵金属,却只能低价处理;如今,借助先进工艺,这些废渣中的锡、锑、铟等关键金属通过富集得以回收,真正实现了“点废成金”。

聚焦锡、锑、铟等关键金属的高质量发展,梧州华锡环保科技有限公司以科技创新为引擎,成功实施“富氧三连炉”低能耗高效冶炼装备技术改造,并创新构建了集“单铅冶炼、铅锑协同冶炼与危废物料资源化利用”于一体的多元化绿色冶炼新模式,实现资源高效循环与生产效益的同步提升。

推动发展关键金属产业,更需要“关键”创新。近日,在位于柳州市柳东新区科技园的铟锡资源高效利用国家工程实验室取得重大技术突破,研究人员成功研发并制备出纯度超越七个“9”的高纯铟产品。该材料是制造半导体芯片和显示面板的核心原料,经权威第三方检测,各项指标均达行业领先标准。近年来,实验室多项研究成果实现突破:在采矿领域,束装孔爆破技术被应用于铜坑矿,使采矿回收率提高7.85%;在选矿领域,复杂锡多金属矿高效分选技术使关键金属回收率平均提升12%以上;在冶炼危废处理上,绿色提取技术实现危废渣资源化与无害化;在新材料领域,开发出氧化铟锡靶材、锡球等深加工产品,累计销售收入达4亿元。截至目前,实验室累计签订技术服务合同300余项,实现技术辐射收入超2.82亿元。

广西矿产资源丰富,锡、锑、铟、镓、锗、镍、钴、锂以及稀土等多种关键金属保有资源量位居全国前列。发挥比较优势,广西重点打造“九链三集群”的关键金属产业体系,持续实施创新驱动高端化升级工程,同步推进数字赋能智能化改造、减污降碳绿色转型、主体引培规模化提升、矿产资源固基等系列行动,力争到2030年,关键金属深加工材料、元器件等产业产值达到800亿元以上,全区关键金属全产业链产值达到1500亿元以上。

1月22日,记者从柳州华锡有色设计研究院有限责任公司(以下简称“华锡有色设计研究院”)获悉,该公司已成功研发并制备出纯度达99.99999%(7N级)的超高纯铟产品,经权威第三方检测,各项指标均达到行业领先标准。

“铟是重要的战略性资源,上到航空航天、半导体芯片,下到手机触摸屏的生产,都离不开铟。”华锡有色设计研究院材料所所长王莉莉说,铟纯度直接影响下游器件的光电性能、可靠性与使用寿命等,因此高纯度铟产品研发和制备尤为重要。

超高纯铟产品。

例如,人们每天使用的触屏手机,就是靠氧化铟锡(ITO)透明导电膜才能实现触摸、滑动,呈现影像和文字。

去年,华锡有色设计研究院依托自身在铟锡资源领域的深厚积淀,迅速组建核心技术攻关团队,瞄准7N级超高纯铟制备开展系统性研发。

据悉,我国铟锡资源高效利用领域唯一的国家工程实验室——铟锡资源高效利用国家工程实验室,由华锡有色设计研究院负责运营。该实验室累计签订技术服务合同300余项,实现技术辐射收入2.82亿元,孵化锡材产品销售超4亿元。

作为攻关团队核心成员的王莉莉,对7N级超高纯铟制备的艰难深有体会。“7N级超高纯铟的提纯、生产技术只有少数机构、企业掌握,最难的就是要攻克杂质控制关,我们在开始实验时也走了很多弯路。”王莉莉说,经过多方学习、调研、摸索,团队最终摸索了一套电解、真空蒸馏、单晶提拉“三步法”,成功把纯度为99.9%的铟提纯到99.99999%超高纯铟。这相当于1吨的超高纯铟,杂质不超过0.1克。

攻关团队成员正在进行超高纯铟产品中试生产。

如今,通过中试线,柳州华锡有色设计研究院已实现了超高纯铟的稳定生产,为后续高纯(超高纯)材料规模化量产和工艺优化奠定了坚实的技术基础。

王莉莉表示,团队计划不仅要攻克研发8N级(纯度99.999999%)超高纯铟的难题,也要攻克7N级超高纯锡、7N级超高纯锌等产品的研发和制备,为关键金属高值化利用和关键材料创新应用助力。

作为有色金属之乡的广西,矿产资源富集,特别是锡、锑、铟、锗等关键金属资源储量丰富,是国家战略性矿产供应链的重要组成部分。《广西关键金属产业创新发展“十五五”规划》明确提出,打造“九链三集群”的关键金属产业体系,其中,铟是九条关键金属产业链之一。


来源:柳州市委外宣办微信柳州朋友圈综合新华网、《广西新闻》《广西日报》、广西新闻网、柳州1号App

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  1. CONNECT:[ UseTime:0.000460s ] mysql:host=127.0.0.1;port=3306;dbname=d460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000680s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000290s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000333s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000509s ]
  6. SELECT * FROM `set` [ RunTime:0.000189s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000596s ]
  8. SELECT * FROM `article` WHERE `id` = 465594 LIMIT 1 [ RunTime:0.000451s ]
  9. UPDATE `article` SET `lasttime` = 1771330080 WHERE `id` = 465594 [ RunTime:0.007979s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000272s ]
  11. SELECT * FROM `article` WHERE `id` < 465594 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000408s ]
  12. SELECT * FROM `article` WHERE `id` > 465594 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001446s ]
  13. SELECT * FROM `article` WHERE `id` < 465594 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004122s ]
  14. SELECT * FROM `article` WHERE `id` < 465594 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006255s ]
  15. SELECT * FROM `article` WHERE `id` < 465594 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004198s ]
0.099250s