Download Advances in applied bioremediation by Ajay Singh, Ramesh C. Kuhad, Owen P. Ward PDF
By Ajay Singh, Ramesh C. Kuhad, Owen P. Ward
Bioremediation is a speedily advancing box and the know-how has been utilized effectively to remediate many infected websites. The objective of each soil remediation strategy is to reinforce the degradation, transformation, or detoxing of toxins and to guard, retain and maintain environmental quality.
Advances in our figuring out of the ecology of microbial groups in a position to breaking down a variety of toxins and the molecular and biochemical mechanisms through which biodegradation happens have helped us in constructing sensible soil bioremediation techniques. Chapters facing the appliance of organic the right way to soil remediation are contributed from specialists – experts within the zone of environmental technology together with microbiology and molecular biology – from educational associations and industry.
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Extra resources for Advances in applied bioremediation
The energy use can add up to a considerable impact when treatment times are long, as they often are for bioremediation. The influence of energy use is illustrated in Sect. 3, where energy used for bioremediation or pump and treat remediation is a determining factor for choosing the best treatment option. The influence of chemical production is shown by Bender et al. (1998). The latter compared long-term groundwater extraction versus a combination of groundwater extraction and in situ bioremediation.
In particular, for on site remediation when the surface is only used once, the manufacture of the surface is important. The wear and tear on the surface in a permanent plant is also a cause of environmental impact through energy and material use for construction (Cadotte et al. 2007). The same applies to a lowpermeability surface, constructed to decrease leaching from the soil and human exposure to the soil contaminants. 5 Landfilling The disadvantages of surface construction and transport also apply to landfilling as a remediation option.
Ex situ thermal treatment – Energy consumption (Ribbenhed et al. 2002) 2. Ex situ bioslurry 3. Ex situ soil washing 4. In situ electrodialysis 1. Ex situ degradation 2. In situ biosparging 3. In situ bioventilation Transport of soil 2, 3, 5 Production of iron and concrete (ScanRail Consult et al. 1 (continued) Techniques considered Lowest environmental cost Important factors Reference 4. Reactive wall 5. Biologically active wall 1. Pump and air stripping 2 Energy consumption (Bender et al. 1998) Production of electron acceptor 2.