A catalyst system useful in the production of bisphenol-A comprises (a) an acidic heterogeneous catalyst; (b) a first catalyst promoter comprising at least one organic sulfur- containing compound; and (c) a second catalyst promoter different from the first catalyst promoter and comprising at least one organic Brønsted acidic ionic compound..
                            在生产
双酚A时有用的催化剂系统包括(a)酸性杂化催化剂;(b)第一催化剂
促进剂,包括至少一种
有机硫化合物;(c)第二催化剂
促进剂不同于第一催化剂
促进剂,包括至少一种有机Brønsted酸性离子化合物。