(1.GD-HKJointResearchCenterforHeavyMetalPollutionControlTechnology∥SchoolofChemistryandEnvironment,SouthChinaNormalUniversity, Guangzhou510006,China;2.TheHongKongUniversityofScienceandTechnologyFokYingTungResearchInstitute,Guangzhou511458,China; 3.DepartmentofCivilandEnvironmentalEngineering,TheHongKongUniversityofScienceandTechnology,HongKong,China)
Abstract:Metalpollutionfrom acidminedrainage(AMD)causesseriousenvironmentalproblems.Sulfidogenic processdrivenbysulfate-reducingbacteria(SRB)isanattractivebiotechnologyforacidminedrainagetreatment. Thisstudyreviewsthemechanisms,performanceandlimitationsofvariousheavymetalionsremovalbySRB,and thecurrenttechnologiesofsulfidogenicprocessforAMDtreatment. Keywords:sulfate-reducingbacteria;acidminedrainage;heavymetals
目前,最 具 有 应 用 前 景 和 备 受 关 注 的 是 SRB 法,其基本原理是在厌氧条件下发生硫酸盐生物还 原反应,产生硫化物沉淀重金属,同时产生碱性物质 以提高 pH、沉淀溶解性金属离子,并且降低硫酸根