Metals Speciation, Separation and Recovery

KEYNOTE PAPERS. Cycles, Fluxes and Speciation of Trace Metals in the Environment. Metals Control Technology Past, Present, and Future. PART I: CHEMISTRY OF TOXIC METALS. METALS SPECIATION IN SLUDGES FROM WASTEWATERS TREATMENT BY BULK AND SURFACE (XPS) ANALYSIS. Abstract. Introduction. X-Ray Photoelectron Spectroscopy. Samples Treatment and Experimental Techniques. Results and Discussion. Conclusions. Acknowledgments. References. Discussion. CHEMICAL EQUILIBRIUM ANALYSIS OF LEAD AND BERYLLIUM SPECIATION IN HAZARDOUS WASTE INCINERATORS. Introduction. Metal Transformations in Incineration Systems. Metals Emissions from Incinerators. Modeling Approach. Model Simulations and Analysis. Conclusions. References. Discussion. NUCLEATION AND CRYSTAL GROWTH STUDIES ON PRECIPITATION OF CADMIUM HYDROXIDE FROM AQUEOUS SOLUTIONS. Abstract. Introduction. Background. Experimental. Results and Discussion. Conclusions. Acknowledgments. References. Discussion. EFFECT OF SPECIATION ON THE RATES OF OXIDATION OF METALS. Introduction. Background. Effect of pH on the Rates of Oxidation. Effect of the Major Ionic Components of Natural Waters on the Rates of Oxidation. Acknowledgments. References. Discussion. PART II: PRECIPITATION PHENOMENA. EXPERIMENTS ON THE SIMULTANEOUS OXIDIZING EXTRACTION PROCESS OF Fe(II). Summary. Introduction. Experimental Methods. Experimental Results and Discussion. Symbols. References. Discussion. HYDROLYSIS, PRECIPITATION AND AGING OF COPPER (II) IN THE PRESENCE OF NITRATE. Introduction. Background. Experimental. Results and Discussion. Summary and Conclusions. Acknowledgments. References. Discussion. ROLE OF COPPER COMPLEXATION ON TREATMENT EFFICIENCY AND DESIGN OF TWO INDUSTRIAL WASTESTREAMS. Abstract. Introduction. Some Theoretical Considerations. Results and Discussion. Conclusions. References. Discussion. PART III: METAL SPECIATION AND COMPLEXATION IN NATURAL SYSTEMS. SPECIATION OF ALUMINUM IN GEOTHERMAL BRINES: COMPARISON OF DIFFERENT METHODOLOGIES. Summary. Introduction. Experimental. Results and Discussion. Conclusions. References. Discussion. SPECIATION OF TIN IN SEDIMENTS OF ARCACHON BAY (FRANCE). Introduction. Material and Methods. Results and Discussion. Conclusions. References. Discussion. METAL COMPLEXATION BY WATER-SOLUBLE ORGANIC SUBSTANCES IN FOREST SOILS. Abstract. Introduction. Metal-Complexing Capacity of Leaf-Litter Leachates. Metal-Solubilization from Forest Soils by the Litter Leachates. Discussion. Acknowledgments. References. Discussion. THEORETICAL AND EXPERIMENTAL DRAWBACKS IN HEAVY METAL SPECIATION IN NATURAL WATERS. Introduction. The Biological Problem. The Chemical Problem. Conclusions. Acknowledgments. References. Discussion. PART IV: SORPTION ONTO SURFACES. PROTON AND METAL ION BINDING ON HUMIC SUBSTANCES. Abstract. Introduction. The Mono-Component Proton Adsorption Isotherm. Calculation of Qi,H(pH5) Curves from Experimental Proton Adsorption Data for Humic and Fulvic Acids. Metal-Ion Adsorption. Conclusions. Acknowledgments. References. Discussion. POLYELECTROLYTIC METAL IONS SEQUESTRANTS. Introduction. Results and Discussion. Concluding Remarks. Experimental. Acknowledgments. References. Discussion. CHEMICAL SPECIATION OF HEAVY METALS IN SOILS FOLLOWING LAND APPLICATION OF CONDITIONED BIOLOGICAL SLUDGES AND RAW PIG MANURE. Introduction. Preliminary Investigation. Heavy Metals in Agricultural Soil. Materials and Methods. Results and Discussion. Conclusions. References. Discussion. PART V: ION SEPARATION. A PROCESS TO IMPROVE THE REGENERATED EFFLUENT CONCENTRATION OF ION EXCHANGE. Introduction. Background. Limit Regenerated Effluent Concentration Theory. Step-by-Step Regeneration Process. Experimental Results. Conclusions. Acknowledgments. References. Discussion. HEAVY METAL REMOVAL USING NATURAL ZEOLITE. Introduction. Theoretical Aspects of the Ion Exchange Process. Experimental Procedure. Results. Discussion. Concluding Remarks. References. Discussion. METAL ION SEPARATIONS FROM HAZARDOUS WASTE STREAMS BY IMPREGNATED CERAMIC MEMBRANES. Abstract. Introduction. Coupled Transport of Metal Ions in Ceramic Membranes. Experimental Apparatus and Technique. Preliminary Results. Conclusion and Future Work. Acknowledgments. Notation. References. Discussion. PART VI: SOILS CONTAMINATION AND DECONTAMINATION. PARTITIONING OF HEAVY METALS INTO SELECTIVE CHEMICAL FRACTIONS IN SEDIMENTS FROM RIVERS IN NORTHERN GREECE. Abstract. Introduction. Materials and Methods. Results and Discussion. Conclusions. References. Discussion. CHEMICAL DECONTAMINATION OF DREDGED MATERIALS, SLUDGES, COMBUSTION RESIDUES, SOILS, AND OTHER MATERIALS CONTAMINATED WITH HEAVY METALS. Introduction. Treatment Techniques. Chemical Decontamination: A Concept for the Final Disposal of Materials Contaminated with Heavy Metals. Advantages of Chemical Decontamination-Practical Realization. References. Discussion. RESULTS OF BENCH-SCALE RESEARCH EFFORTS TO WASH CONTAMINATED SOILS AT BATTERY-RECYCLING FACILITIES. Introduction and Background. Summary of Findings. Site Profiles. Soil Characterization. Experimental Soil-Washing Procedures. Results and Discussion. Conclusions. Acknowledgments. Discussion. PART VII: WASTE REDUCTION AND RECOVERY CASE STUDIES. THREE CASE STUDIES OF WASTE MINIMIZATION THROUGH USE OF METAL RECOVERY PROCESSES. Introduction. Background. Case Study No. 1. Materials Balance. Economic Analysis. Conclusions. Case Study No. 2. Case Study No. 3. References. Discussion. METRO RECOVERY SYSTEMS-A CENTRALIZED METALS RECOVERY AND TREATMENT FACILITY IN TWIN CITIES, U.S. Introduction. Project Evaluations. The Central Treatment and Recovery Facility. Summary and Conclusions. Acknowledgments. References. Discussion. RECOVERY OF METALS FROM WASTE STREAMS BY HYDROMETALLURGICAL PROCESSES. Summary. Introduction. Metal Recovery by Hydrometallurgical Techniques. Recovery of Metals from Spent Hydrodesulphurizing Catalyst. Recovery of Metals from Spent Batteries. Conclusions. References. Discussion. CHROMIUM RECOVERY FROM TANNERY SLUDGE BY INCINERATION AND ACID EXTRACTION. Introduction. Definition of Objectives. Experimental. Experimental Results. Conclusions. References. Discussion. RESEARCH NEEDS WORKSHOP: RESEARCH NEEDS IN METALS SPECIATION, SEPARATION, AND RECOVERY. Group A: Analysis and Speciation Chemistry. Group B: Solid-Liquid Interface Chemistry. Group C: Selective Separation Technology. Group D: Metal Sludges Management. References. Index.