Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精馏法、萃取精馏法、附法和膜
法。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精馏法、萃取精馏法、附法和膜
法。
By 52%-54% denisty indicator of lithium bromide, it is used to be absorptive refrigerant, hypnagogue and mitigative of medicine, and also to be electrolyte in ion-battery.
52%-54%浓度的溴化锂用作式制冷剂。在医药中,用作催眠剂和镇静剂。还用作锂电池的电解质。
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