The trace phenol and impurity were removed from the bisphenol A with active white soil as dephenolizer, and its rate is more than 99%.
用活性白土做脱酚剂去除双酚A中的微量苯酚及其杂质，其去除率可达99％以上。
The p-methylaniline and other impurity in the crude product are adsorbed by active carbon and the purified 4B acid is precipitated out by acidic solution from middle compartment.
阴极碱性液溶解4B酸粗品，活性炭吸附除去从粗品中溶出的对甲苯胺等杂质，中间区的酸性液使4B酸精品析出。
The p-methylaniline and other impurity in the crude product are adsorbed by active carbon and the purified 4B acid is precipitated out by acidic solution from middle compartment.
阴极碱性液溶解4B酸粗品，活性炭吸附除去从粗品中溶出的对甲苯胺等杂质，中间区的酸性液使4B酸精品析出。
应用推荐