The Transformation of Hg²⁺ during Anaerobic S⁰ Reduction by an AMD Environmental Enrichment Culture.

ABSTRACT: Mercury (Hg) is a highly toxic and persistent heavy metal pollutant. The acid mine drainage (AMD) environment in sulfide-mining areas is a typical Hg pollution source. In this paper, the transformation of Hg²⁺ during anaerobic S⁰ reduction by an AMD environmental enrichment culture was studied by multiple spectroscopic and microscopic techniques. The experimental results showed that the microbial S⁰ reduction of the AMD enrichment culture was significantly inhibited in the presence of Hg²⁺. The results of cell surface morphology and composition analysis showed that there was obvious aggregation of flocculent particles on the cell surface in the presence of Hg²⁺, and the components of extracellular polymeric substances on the cell surfa

SUBMITTER: Zhou Y 

PROVIDER: S-EPMC9865316 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature