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以“气”代水染新色 苏州技术入选国家名录

  • 2026-02-13 20:59:57
以“气”代水染新色 苏州技术入选国家名录

一种以二氧化碳取代水

作为染色介质的革命性技术

从苏州走向全国

从苏州工业园区生态环境局(水务局)获悉,由中创绿洁超临界流体科技(江苏)有限公司研发的“超临界CO₂无水染色装备系统”,成功入选水利部《节水先进成熟适用技术设备名录(2025年)》。这项技术让染色全过程脱离水和化学助剂,实现了纺织行业从“水浴染色”向“气体染色”的颠覆性变革。

中创绿洁是一家专注于超临界CO₂无水染色智能装备的设计、研发、生产、销售于一体的高科技企业,依托与高校、院所的深度合作,始终坚持以科技创新为核心,致力于无水染色设备技术的创新与应用。

“整个染色过程不需要一滴水。”在中创绿洁的技术人员介绍了这套设备的工作原理。

超临界CO₂无水染色技术利用超临界状态下的二氧化碳(CO₂)作为染色介质,对纤维织物进行染色加工的一种新兴技术。该系统利用超临界状态下的二氧化碳(温度>31.1℃、压力>7.38MPa)作为染色介质,能有效溶解染料并使其均匀扩散进入纤维内部,整个过程无需一滴水。染色结束后,通过泄压使CO₂迅速气化,与残余的固态染料分离并回收,整个染色过程零用水、零废水排放。染色周期从传统的8-12h大幅缩短至3h左右;CO₂循环利用率超过97%,残余染料以粉末形式回收,利用率也接近97%;全程无需水洗和烘干工序,整体能耗显著降低。

该项技术可实现纺织行业绿色、生态、低碳、清洁生产的转变,从源头上解决千百年来纺织品染整加工等所带来的严重环境污染问题,节约水资源,保护生态和大气环境;同时较传统水染可降低50%-60%综合成本,缩短50%染色周期,产品溢价空间达30%-50%,具有良好的经济效益。

从耗水大户到节水典范,这项入选国家名录的技术,展示了苏州在绿色制造与资源循环利用领域的创新实力。“它不仅在源头上解决了纺织染整行业长期存在的水污染难题,也为高耗水行业的转型升级提供了可复制、可推广的苏州方案。”苏州工业园区生态环境局(水务局)相关负责人介绍。来源:苏州生态环境

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  1. CONNECT:[ UseTime:0.000561s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000574s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003282s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.007629s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000563s ]
  6. SELECT * FROM `set` [ RunTime:0.009270s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000627s ]
  8. SELECT * FROM `article` WHERE `id` = 470059 LIMIT 1 [ RunTime:0.025357s ]
  9. UPDATE `article` SET `lasttime` = 1771129217 WHERE `id` = 470059 [ RunTime:0.005294s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.001553s ]
  11. SELECT * FROM `article` WHERE `id` < 470059 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.006602s ]
  12. SELECT * FROM `article` WHERE `id` > 470059 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.006044s ]
  13. SELECT * FROM `article` WHERE `id` < 470059 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003610s ]
  14. SELECT * FROM `article` WHERE `id` < 470059 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012279s ]
  15. SELECT * FROM `article` WHERE `id` < 470059 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008106s ]
0.177573s