19th IBS International Scientific Committee 19th IBS Local Organizing Committee Foreword Acknowledgements Supporters Honouring Douglas E.Rawlings In Memory of Oswaldo Garcia Junior In Memory of Anthony Pinches In Memory of Geoffrey Spearing Hansford Section I:Honorary Lecture and Keynote Speeches 聽 Honorary Lecture 聽 Keynote Speeches Section II:Fundamentals of Bioleaching 聽 Extended Abstracts 聽 Short Abstracts Section III:Genetics and Molecular Biology 聽 Extended Abstracts 聽 Short Abstracts Section IV:Microbe-Mineral Interactions 聽 Extended Abstracts 聽 Short Abstracts Section V:Bioleaching Applications 聽 Extended Abstracts 聽 Short Abstracts Section VI:Bioflotation and Biobeneficiation 聽 Extended Abstracts 聽 Short Abstracts Section VII:Biosorption and Bioaccumulation 聽 Extended Abstracts 聽 Short Abstracts Section VIII:Microbial Ecology 聽 Extended Abstracts 聽 Short Abstracts Section IX:Mining Impacts on the Environment 聽 Extended Abstracts 聽 Short Abst