1、

Recovery of Methyl Cyanide and DMF from Pharmaceutical Effluent

制药废液中回收乙腈与DMF

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2、

Results showed that sodium cyanate with 98.1% purity could be obtained in the medium of DMF, when the mole ratio of urea to anhydrous sodium carbonate was 2.5, the reaction temperature 120~ 140 ℃ and reaction time 8~ 10 h.

实验结果表明,在DMF反应介质中,当尿素与无水碳酸钠物质的量比为2.50,反应温度120~140℃,反应时间8~10h,可以制得纯度为98.1%的氰酸钠产物。

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3、

Sodium cyanate was prepared from reactants& urea and anhydrous sodium carbonate through liquid-solid chemical reaction method, in the solvent of N, N-dimethlformamide ( DMF).

使用液固化学反应法,以尿素和无水碳酸钠为原料,在N,N-二甲基甲酰胺(DMF)溶剂的反应介质中,制备了氰酸钠产品。

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4、

The treatment of tannery wastewater contained DMF is discussed and might be helpful in practical applications.

介绍了将DMF废水分流收集后的处理方法,可在制革废水处理实践中应用.

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5、

DMF in waste water and gas was determined with separation by capillary column and FID detection. Recovery of Methyl Cyanide and DMF from Pharmaceutical Effluent

以气相色谱石英毛细管柱分离、FID检测,测定废水和废气中N′,N-二甲基甲酰胺(DMF)。制药废液中回收乙腈与DMF

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