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气体脱硫多数炼厂气体脱硫使用的DEA浓度保持在30％吗?当浓度增加时,为了防止腐蚀需要哪些附加的预防措施?进行什么样的实验室试验以控制溶液性能和(或)腐蚀性?
Gas Desulphurization Most DEA concentrations from refinery gas desulphurisation are kept at 30%? What additional precautionary measures are needed to prevent corrosion when the concentration is increased? What laboratory tests are performed to control solution performance and / or corrosivity?