Page 302 - Plant-Based Remediation Processes

Index 297

Populus/Salix species, 40 Phytotechnology
process, 2, 3 metal-contaminated soils
reactive oxygen species (ROS), 90 decision support tools, 33
RES, 40 developments, 34
rhizofiltration (see Rhizofiltration) feasibility test, 20–21
rhizosphere region, 1 and heavy metal bioavailability, 21–22
Se-contaminated soils, 168, 170 heavy metal fractions, 33
SPB, 41 metal uptake mechanisms, 20
stabilization (see Phytostabilization) phytoextraction (see Phytoextraction)
techniques, 2 phytoremediation, environmental
technology, 90 pollution, 19
transgenic plants, 95 phytostabilization, 20, 29–32
tropical plants regulatory framework, 33–34
advantages, 61 removal, heavy metal, 19–20
awareness, 62 metal phytoextraction, 273
contamination, heavy metals, 62 Phytotoxicity, lead (Pb), 63
hyperaccumulators, 61–62 Phytovolatilization
lead phytotoxicity, 63 description, 7–8
lead uptake, 63–65 detoxification, 8–9
phytoaccumulation, 67–68 evapotranspiration process, 8
phytostabilization, 68–69 mercury, 257–258
removal metal, 61 metal conversion, 8
rhizofiltration, 69 Plant growth. See Metal/metalloids
soil, 61 contamination, plant growth
techniques, 62 Plant growth-promoting rhizobacteria
volatilization (see Phytovolatilization) (PGPR), 41
wetland and plants Plant growth regulator (PGR), 102
ECW, 131–132 Plant symbionts, genetic engineering, 258, 260
heavy metals stabilization, Pollution. See Anthropogenic pollution,
121–122 heavy metals
restoration, metal-contaminated Pteris vittata (Pteridaceae), 92
wetland, 123–124 Pyrite
Selenium (Se), 129 hospitality and plant metal uptake, 153–154
Phytostabilization phytomanagement, 156
accumulation, heavy metals, 32 phytoremediation
Barley root elongation test, 32 biomass and species, 141–142
heavy metals herbaceous species, 142
anthropogenic pollution, 177–183 hyperaccumulators, 141
environment, 183–184 literature, 142–143
recycling, 193–194 on-site plant (see On-site
lab tests, 31–32 phytoremediation plant)
mobility reduction, contaminants, 3–4 site characterisation
process, 30–31 buffer zones I-IV, soil-sampled area,
remediation 146–147
Argentina’s phytostabilization carryover topsoil, 146
experiences, 189–193 chemical properties and level, metal
immobilization techniques, contamination, 143, 145
185–189 contaminated area, Torviscosa, 143, 144
Sesbania virgata, 194 metal concentrations, shoots, 147, 148
technology description, 29–30 soil stratigraphy analysis, 143–145
tropical plants, 68–69
Phytostimulation
chemical transformation, enzymes, 11 R
PAH, 11 Reactive oxygen species (ROS), 44–45, 90
transgenic plants, 12–13 Renewable energy sources (RES), 40