中石化南京工程有限公司等“一种硝酸磷肥浓缩液的生产系统及方法”专利完成公布（化工工艺专利快讯）

DoNews2025-12-24

天眼查App显示，2025-12-23，“一种硝酸磷肥浓缩液的生产系统及方法”（patentName）正式进入公布阶段。申请人为中石化南京工程有限公司,中石化炼化工程（集团）股份有限公司，该项化工工艺专利涉及硝酸磷肥生产中的浓缩液制备场景。据专利信息显示，该方法通过将硝酸钙结晶分离系统的母液与硝酸铵精制蒸发系统的浓硝酸铵溶液在第一中和槽中混合，并用氨进行中和后蒸发浓缩，生成目标产品硝酸磷肥浓缩液，...

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