Argentina 2 Buenos Aires [Argentina] 2 Heavy metals 2 Reconquista River Rivers 2 concentration (composition) 2 heavy metal 2 sediment pollution 2 Anaerobic polluted sediments 1 Anaerobiosis 1 Biodegradation, Environmental 1 Bioheap leaching 1 Clay minerals 1 Clay-sized fractions 1 Desorption isotherms 1 Distribution coefficient 1 Environmental Restoration and Remediation 1 Fine-grained sediment 1 Geochemistry 1 Geologic Sediments 1 Kaolinite 1 Macroporous materials 1 Mesoporous materials 1 Metals, Heavy 1 Organic carbon 1 Partitioning coefficient 1 Partitioning coefficients 1 Quaternary sediments 1 Reconquista basin 1 Remediation strategy 1