Biosorption as a new biotechnology with an aim of protection and balanced use of biodiversity | Biosorpcija kao nova biotehnologija u funkciji očuvanja i uravnoteženog korišćenja biodiverziteta
2010
Milojković, J., Institut za tehnologiju nuklearnih i drugih mineralnih sirovina, Beograd (Serbia) | Stojanović, M., Institut za tehnologiju nuklearnih i drugih mineralnih sirovina, Beograd (Serbia) | Ristić, M., Tehnološko–metalurški fakultet, Beograd (Serbia)
Rapid techno-economic development, without adequate protection of the environment, caused a number of emergence problems: pollution, waste, loss of biodiversity, introduction of invasive species, release of o genetically modified organisms etc. Protection, conservation of natural resources and biodiversity requires an integrated approach to sustainable management. One approach is to stimulate the development of new biotechnology with an aim of saving and balanced usage of biodiversity. An increased industrial activity has intensified more environmental problems such as deterioration of several ecosystems due to the accumulation of pollutants. A vast array of biological materials, especially bacteria, algae, yeasts and fungi have received increasing attention for heavy metal removal due to their good performance, low cost and large available quantities. Biosorption has been defined as the property of certain biomolecules (or types of biomass) to bind and concentrate selected ions or other molecules from aqueous solutions. Biosorbents, unlike mono functional ion exchange resins, contains variety of functional sites. Advantages of these materials are their efficiency and low cost and application of biosorbents is good solution for removing metals, especially heavy metals from aqueous solutions. Different types of biosorbents that were considered for waste are getting a new application with extending product life cycle. Biosorption needs a multidisciplinary approach from the point of chemical, microbiological and process engineering, and allows a wider range of remediation techniques in relation to the ion exchange. This paper presents an overview of trends in biosorption and application of biosorbents for removing the pollutants (heavy metals and radionuclides) from contaminated effluents and water.
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