Pratheesh, V B; Dr.Sujatha, C H(Cochin University Of Science And Technology, December , 2011)
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Abstract:
The heavy metal contamination in the environment may lead to
circumstances like bioaccumulation and inturn biomagnification. Hence
cheaper and effective technologies are needed to protect the precious
natural resources and biological lives. A suitable technique is the one
which meets the technical and environmental criteria for dealing with a
particular remediation problem and should be site-specific due to spatial
and climatic variations and it may not economically feasible everywhere.
The search for newer technologies for the environmental therapy, involving
the removal of toxic metals from wastewaters has directed attention to
adsorption, based on metal binding capacities of various adsorbent materials.
Therefore, the present study aim to identify and evaluate the most current
mathematical formulations describing sorption processes. Although vast
amount of research has been carried out in the area of metal removal by
adsorption process using activated carbon few specific research data are
available in different scientific institutions. The present work highlights the
seasonal and spatial variations in the distribution of some selected heavy
metals among various geochemical phases of Cochin Estuarine system and
also looked into an environmental theraptic/remedial approach by
adsorption technique using activated charcoal and chitosan, to reduce and
thereby controlling metallic pollution.
The thesis has been addressed in seven chapters with further
subdivisions. The first chapter is introductory, stating the necessity of
reducing or preventing water pollution due to the hazardous impact on
environment and health of living organisms and drawing it from a careful
review of literature relevant to the present study. It provides a constricted
description about the study area, geology, and general hydrology and also
bears the major objectives and scope of the present study.
Description:
Department Of Chemical Oceanography
School Of Marine Sciences
Cochin University Of Science And Technology