Biophysico-Chemical Processes of Heavy Metals and Metalloids by Antonio Violante, Pan Ming Huang, Geoffrey M. Gadd

By Antonio Violante, Pan Ming Huang, Geoffrey M. Gadd

Written via a multidisciplinary crew of soil and environmental scientists, Biophysico-Chemical tactics of Heavy Metals and Metalloids in Soil Environments offers the medical neighborhood with a serious qualitative and quantitative assessment of the basics of the strategies of pollution in soil environments. The ebook covers pollution' speciation, mobility, bioavailability and toxicity, and affects on improvement of leading edge recovery techniques. furthermore, the advance of cutting edge remediation concepts for polluted soils is roofed.

Show description

Read or Download Biophysico-Chemical Processes of Heavy Metals and Metalloids in Soil Environments (Wiley Series Sponsored by IUPAC in Biophysico-Chemical Processes in Environmental Systems) PDF

Best environmental engineering books

PEM Fuel Cell Durability Handbook, Two-Volume Set: PEM Fuel Cell Failure Mode Analysis

PEM gasoline cellphone Failure Mode research provides a scientific research of PEM gasoline phone longevity and failure modes. It presents readers with a primary realizing of inadequate gas phone sturdiness, identity of failure modes and failure mechanisms of PEM gas cells, gas telephone part degradation trying out, and mitigation recommendations opposed to degradation.

Nanotechnology for Sustainable Manufacturing

Nanotechnology has the aptitude to play an immense function in expanding the sustainability of a variety of business sectors. Nanomaterials may possibly give a contribution to extra sustainable production via purifier, much less wasteful construction strategies and will alternative traditional fabrics, resulting in discounts in uncooked fabrics and effort.

Handbook of Green Chemistry. Green Processes. Volume 9: Designing Safer Chemicals

The shift in the direction of being as environmentally-friendly as attainable has ended in the necessity for this significant reference concerning designing more secure chemical substances. Edited by way of the prime overseas specialists within the box, Robert Boethling and Adelina Votchkova, this quantity covers such issues as toxicity, decreasing risks and biochemical insecticides.

2nd International Conference on Maintenance Dredging

This quantity provides the court cases of the second overseas convention on upkeep Dredging in may well 2004. the aim of the convention was once to supply a entire replace on all elements of upkeep dredging together with legislation, dredging equipment, dredged fabric remedy and worthwhile use, agreement administration, and environmental effect evaluation and mitigation

Extra info for Biophysico-Chemical Processes of Heavy Metals and Metalloids in Soil Environments (Wiley Series Sponsored by IUPAC in Biophysico-Chemical Processes in Environmental Systems)

Example text

A larger fraction of the metal contaminant will thus be in a complexed and usually soluble form in the soil–root interface than in the bulk soil. Research on the metal speciation of the soil solution has been encouraged by the free metal ion hypothesis in environmental toxicology (Lund, 1990). This hypothesis states that the toxicity or bioavailability of a metal is related to the activity of the free aquo ion. , 1995). However, some evidence is now emerging that free metal ion hypothesis may not be valid in all situations (Tessier and Turner, 1995).

1. Global Ion Cycling Transformations and transport of metals and metalloids are part of natural biogeochemical cycling. One of the characteristics of the cycle of metal and metalloid mobilization and deposition is that the form of the metal and metalloid is changed. This change of metal or metalloid speciation has a great effect on its fate and impact on ecosystem health (Benjamin and Honeyman, 1992; Hayes and Traina, 1998; Adriano, 2001). These trace elements are found in the environment in solid, solution, and gaseous phases, associated with thousands of different compounds.

Biomolecules than in bulk soils. Activities of free metal ions should thus be decreased further. Therefore, compared with bulk soils, the activities of free trace metal ions in the soil solution of the rhizosphere in aerobic dryland soils should be even less controlled by precipitation through homogeneous nucleation. In the rhizosphere, precipitation of metals through heterogeneous nucleation on microbial surfaces on the one hand and metal mobilization by biomolecules on the other hand, as a result of root exudation and intense microbial activity, warrants in-depth research for years to come.

Download PDF sample

Rated 4.13 of 5 – based on 21 votes