Antifoulant compositions and methods are used for inhibiting fouling on structural parts of a system exposed to a fluid hydrocarbon or petrochemical stream. The antifoulant compositions may comprise at least one polyalkylene anhydride ester (“PAAE”) dispersant. Other antifoulant compositions may comprise an alkylphenol sulfide (“APS”).
防污剂组合物和方法用于抑制暴露于流体烃或石化流的系统结构件上的污垢。防污剂组合物可包括至少一种聚亚烷基酸酐酯("PAAE")分散剂。其他防污剂组合物可包括烷基
酚硫化物("
APS")。