The new process of domestic pa refining and the technique of high efficiency regular packing tower are introduced.
介绍了国内苯酐精制新工艺和高效规整填料塔技术。
The use of regular packing and new inner parts in the modification of cuprammonia tower, as well as related achievement are introduced.
论述规整填料和新型塔内件在铜洗塔改造中的效果。
The present invention relates to a disk-like ring-arc regular tower packing, belonging to a regular packing of packed tower of chemical engineering unit operation process.
一种圆盘状环弧规整塔填料属于化学工程单元操作过程的填料塔中的规整填料。
The present invention relates to a disk-like ring-arc regular tower packing, belonging to a regular packing of packed tower of chemical engineering unit operation process.
一种圆盘状环弧规整塔填料属于化学工程单元操作过程的填料塔中的规整填料。
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