By M. H. Fulekar (auth.), M. H. Fulekar (eds.)
Environmental toxins became a big worldwide problem. the fashionable development of industrialization, urbanization, sleek agricultural improvement and effort new release have led to indiscriminate exploitation of normal assets for pleasant the human wants and wishes, that have contributed in hectic the ecological stability on which the standard of surroundings relies. the fashionable technological developments in chemical processes/operations were raised to new items and likewise new pollution in considerable point that are above the self cleansing potential of our environment. one of many significant concerns in current instances is the hazard to human lives, end result of the innovative deterioration of the environment.
This ebook discusses bioremediation technology-based remediation to revive infected websites and safeguard the surroundings. It experiences the possibilities for extra effective organic procedures in molecular biology and ecology. impressive accomplishments of those experiences comprise the cleansing up of polluted water and infected land. The publication contains invited papers by way of eminent individuals who supply low in cost bioremediation thoughts to immobilize contaminants for cleanup of atmosphere. The ebook is directed in the direction of postgraduate scholars in biotechnology/life sciences/environmental sciences/biosciences and researchers in universities and learn institutes and industries.
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Additional resources for Bioremediation Technology: Recent Advances
Environ. Chem. 50: 237–251. WHO (1984). Environmental Health Criteria: Endosulfan. R. & Co. (1999). Grace Daramend TM Bioremediation Technology: Pesticides/ Herbicides. htm June 8, 2000. 1 Introduction The harmful effects of organic and inorganic pollutants on ecosystems and on human health are well known and much expenditure is devoted to industrial treatment methods to prevent or limit discharges (Gadd, 2009). Alternative pollutants removal and/or recovery methods are being considered which are based on sequestering properties of certain natural materials of biological origin.
Pollutants accumulative bioprocesses generally are divided into two broad categories (Veglio and Beolcmi, 1997; Volesky, 2001): • biosorption (passive process); and • bioaccumulation (active process). H. 1007/978-90-481-3678-0_3, © Capital Publishing Company 2010 35 36 Maria Gavrilescu Certain types of microbial biomass can retain relatively high quantities of metal ions or other pollutants by “passive” sorption and/or complexation. This is commonly known as biosorption, which is a non-directed physicochemical interaction that may occur between pollutant species and microbial cells.
Kc = 44 Maria Gavrilescu The thermodynamic parameters such as changes in standard free energy enthalpy change ('H°) and entropy change ('S°) are determined by using (Eq. 314 J mol K), Kc is the equilibrium constant obtained from Langmuir isotherm. The values of enthalpy ('H°) and entropy change ('S°) can be obtained from the slope of the plot of ('G°) versus T. Thermodynamic parameters can be determined in batch experiments. For example Yurtsever and Sengil (2009) described experiments carried out at different temperatures in the range of 296–366 K for Pb adsorption on quebracho tannin resin (QTR) (Fig.