CHEM 32042

>< Type/Status : Elective
>< Title : Environmental Chemistry I
>< Pre-requisite : CHEM 21033
>< Co-requisite : CHEM 32021
>< Objectives : To provide a basic knowledge in sources, transport, reactions and fate of chemical pollutants in the environment.
>< Course Content :

Atmospheric Chemistry
Importance of atmosphere, components of atmosphere, chemical and photochemical reactions. Air pollutants and chemistry of air pollutants: enhanced greenhouse effect, photochemical smog, ozone layer depletion, acid rain, nuclear winter, minimization of air pollution.

Aquatic Chemistry
Characterization and significance of various water bodies, gases in water, metal ions in water, redox reactions, colloids and sediments, chemical transformation. Aquatic microbial chemistry, water pollution, waste water and waste water treatment.

Soil Chemistry
Soil formation and mineralogical composition of soil, soil profile, surface charges of clay particles, soil acidity and soil pH, soil water, exchangeable bases in soil, cation exchange capacity and base saturation of soil, salinity and sodicity, exchangeable sodium percentage and sodium absorption ratio, soil pollution and soil reclamation.

>< Process : A combination of lectures and tutorial discussions
>< Scheme of Evaluation : 100% end of course examination.
>< Recommended Reading :
1. Manahan, S. (1998), Environmental Chemistry, 6th edition, Lewis.
2. McBride, M. B. (1994), Environmental Chemistry of soils, Oxford.
3. Evangelou, V. P. (1998), Environmental soil & water Chemistry. Principle and Applications, John Wiley.
4. Harrison, R. M. (1999), Understanding our Environment. An introduction to Environmental Chemistry and Pollution, 3rd edition, RSC.

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