Biotechnology for Treatment of Residual Wastes Containing Metals.

Cover -- Half Title -- Series Page -- Title Page -- Copyright Page -- Table of Contents -- Foreword -- Preface -- Acknowledgement -- List of Contributors -- List of Figures -- List of Tables -- List of Abbreviations -- 1: Overview of Metal Pollution -- 1.1 Introduction -- 1.2 Conclusion -- References -- 2: Environmental Impacts of Solid Waste Containing Metals -- 2.1 Introduction -- 2.2 Environmental Impacts of Mining Waste -- 2.2.1 Copper (Cu) -- 2.2.2 Lead (Pb) and Zinc (Zn) -- 2.2.3 Arsenic (As) -- 2.2.4 Cadmium (Cd) -- 2.3 Potential Environmental Contaminants Associated with Electronic Waste -- 2.4 Waste from Refinery Spent Catalysts -- 2.5 Effects of Heavy Metals on the Environment and Health -- 2.5.1 Arsenic (As) -- 2.5.2 Cadmium (Cd) -- 2.5.3 Chrome (Cr) -- 2.5.4 Lead (Pb) -- 2.5.5 Mercury (Hg) -- 2.6 Conclusions -- References -- 3: Parameters Involved in Biotreatment of Solid Wastes Containing Metals -- 3.1 Introduction -- 3.2 Microbe-Metal Interactions and Microorganisms Used -- 3.3 Growth Medium Composition and Appropriate Level of Nutrients -- 3.4 Chemical and Metal Composition of Solid Wastes -- 3.5 Size of Particle of Solid Wastes -- 3.6 Pulp Density -- 3.7 pH -- 3.8 Temperature -- 3.9 Inocula Size -- 3.10 Time Contact and Oxygen Concentration -- References -- 4: Industrial Biotechnology and its Role in the Mining Industry -- 4.1 Introduction -- 4.2 Application of Bioleaching in Industrial Problems with Zn and Bi -- 4.2.1 Biooxidation of Ions of Ferrous Fe2+ -- 4.3 Bioconversion Evaluation of Ferrous Ions -- 4.4 Use of Bioleaching in Refractory Materials of Mn and S -- 4.5 Bioprocess Engineering and Economics -- References -- 5: Biotechnology for Metal Mechanic Industrial Wastes -- 5.1 Introduction -- 5.2 Heavy Metals -- 5.3 Slags -- 5.4 Metal-Containing Paint, Varnish, Coating, and Solvent Residues.

5.5 Chemical Treatments and Metal Finishing -- 5.6 Cyanide-Metal-Containing Residues -- 5.7 Metallic Acidic and Nitrate-Rich Residues -- 5.8 Conclusion -- References -- 6: Metal Resistance Genes in Microorganisms, a Biotechnological Approach for Ni-V Removal -- 6.1 Introduction -- 6.2 Heavy-Metal Resistance -- 6.3 Nickel Resistance -- 6.4 Vanadium Resistance -- 6.5 Nickel-Vanadium Resistance in Bacillus Megaterium and Microbacterium Liquefaciens -- 6.6 Nickel and Vanadium Gene Studies and their Relevance for the Environment -- References -- 7: Bioweathering of Heap Rock Material by Basidiomycetes -- 7.1 Introduction -- 7.2 Mechanisms of Bioweathering -- 7.2.1 Biomechanical Weathering -- 7.2.2 Extracellular Enzymes -- 7.2.3 Acidification -- 7.2.4 Metal Mobilization -- 7.3 Cellular Responses to Growth on Black Shale -- 7.3.1 Extracellular Mechanisms: Chelation -- 7.3.2 Extracellular Mechanisms: Biomineralization -- 7.3.3 Extracellular Mechanisms: Biosorption -- 7.3.4 Changed Metal Influx and Efflux -- 7.3.5 Intracellular Protection Mechanisms -- 7.4 Conclusions -- References -- 8: Biotechnology for the Recovery of Metals using Agroindustrial Wastes -- 8.1 Introduction -- 8.2 Agroindustrial Wastes of Interest for the Absorption of Metals -- 8.3 Types of Agroindustrial Wastes Used in the Absorption of Metals -- 8.4 Mechanisms Involved in the Removal of Metals -- 8.5 Biopolymers as Effective Adsorbents in the Removal of Metals -- 8.5.1 The Chitosan Biopolymer -- 8.5.2 Advantages of the use of Chitosan as an Adsorbent for the Removal of Metals -- References -- 9: Environmental Pollution and Current Bioremediation Strategies for Cadmium Containing Residues -- 9.1 Introduction -- 9.2 Environmental Pollution by Cadmium -- 9.3 Cadmium Producing Industries and their Wastes -- 9.4 Removal Methods for Cd Present in Water and Soil.

9.5 Biotechnology for the Removal of Cd in Contaminated Environments -- 9.6 Use of Biotechnology for the Treatment of Cd in Residues -- References -- Index -- About the Editor.

This text contains nine chapters related to the problem of the metal contamination in the environment as well as some of the different biotechnological alternatives that have been applied for the reduction and/or recovery of metal contamination.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.