国外制造聚合硫酸铁的新方法

New Methods for Synthesizing Polymeric Ferric Sulfate in Foreign Countries

综述了国外６种制造聚合硫酸铁的新方法，包括硫铁矿矿灰和四氧化三铁矿酸溶法、空气直接氧化法、氮氧化物催化氧化法，以及氯酸盐氧化法，并对有关反应机理进行了介绍。

Six new methods for synthesizing polymeric ferric sulfate (PFS) used in foreign countries are introduced,including acid dissolution of pyrite ash and Fe 3O 4 ore,direct air oxidation,catalytic oxidation of nitrogen oxides and oxidation with chlorate.Their reaction mechanisms are elaborated.