改造时将分酸装置由分酸槽挂爪式改为管式分酸器，有效地延长了干吸塔的寿命。

After changing the suspension acid distributing tank into tube acid distributor, service life of the drying and absorption towers has been extended effectively.

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对铝及铝合金在磺基水杨酸槽液中及另一有机酸槽中进行二次氧化，获得了装饰效果良好的瓷质氧化膜。

Aluminum and its alloy with decorate ceramic oxide coating were developed by secondary oxidation process in sulfa-salicylic acid bath and an organic acid bath.

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对铝及铝合金在磺基水杨酸槽液中及另一有机酸槽中进行二次氧化，获得了装饰效果良好的瓷质氧化膜。

Aluminum and its alloy with decorate ceramic oxide coating were developed by secondary oxidation process in sulfa-salicylic acid bath and an organic acid bath.

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