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    • 2. 发明公开
    • CYCLIC PROCESS FOR PRODUCING TAURINE
    • 循环法生产牛磺酸
    • EP3284737A1
    • 2018-02-21
    • EP17157025.2
    • 2017-02-20
    • Vitaworks IP, LLC
    • HU, Songzhou
    • C07C303/22C07C303/44
    • C07C303/22C07C303/44C07C309/14
    • There is disclosed a process for producing taurine by the ammonolysis of alkali isethionate in the presence of alkali ditaurinate or alkali tritaurinate, or their mixture, to inhibit the formation of byproducts and to continuously convert the byproducts of the ammonolysis reaction to alkali taurinate. Alkali taurinate is neutralized with isethionic acid to obtain taurine and to regenerate alkali isethionate. The production yield is increased to from 90% to nearly quantitative. The ammonolysis reaction is catalyzed by alkali salts of hydroxide, sulfate, sulfite, phosphate, or carbonate.
    • 本发明公开了一种在碱金属二月桂酸盐或三碲酸碱金属盐或它们的混合物的存在下通过碱金属羟乙基磺酸盐的氨解生产牛磺酸以抑制副产物形成并连续将氨解反应的副产物转化为碱金属牛磺酸盐的方法。 将碱金属牛磺酸盐用羟乙磺酸中和以获得牛磺酸并再生碱式羟乙基磺酸盐。 产量从90%增加到接近定量。 氨解反应由氢氧化物,硫酸盐,亚硫酸盐,磷酸盐或碳酸盐的碱金属盐催化。