The invention relates to a method in the technical field of environmental protection, and specifically relates to a sulfur-doped algae and iron composite material and a preparation method and application thereof. The sulfur-doped algae and iron composite material is obtained by reducing iron modified algae based carbon under the effects of an iron source and a sulfur source. The prepared sulfur-doped algae and iron composite material can be applied to water pollution control, soil (sediment) improvement or polluted environment repair. Through the technical scheme, the limitation that the treatment effect is non-ideal, which is caused by agglomeration of a zero-valent iron material or a ferric sulfide material formerly is eliminated, various technical problems for algae biomass high-valuedutilization can be effectively overcome, and a reactor which is low in capital cost and can be quickly constructed is invested in advance.
; 张翠; 武君; 骆永明
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