... 废氧化物 spent oxide 废硫酸 spent sulfuric acid; spent sulphuric acid 撞针 spike ...
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spent sulfuric acid alkylation cracking 废硫酸
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The bottom plates in the liquid section have suffered from severe corrosion caused by the precipitation of sulfuric acid carried by neutral oil in spent caustic.
液相部位的罐底板，由于碱渣中性油带有的硫酸沉积，造成底板局部位置腐蚀严重。
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