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By Lucjan Pawlowski, William J. Lacy, Christopher G. Uchrin, Marzenna R. Dudzinska
During the last 20 years, this environmental convention sequence has emerged to be come one of many significant overseas boards at the chemical features of environmental professional tection. The discussion board is termed Chemistry for the safety of our environment (CPE). The sponsors of this CPE sequence have integrated the Chemical Societies of Poland, France, Bel gium, Italy, Egypt, and the united states of america, the yank Institute of Chemical Engineers, the yankee Society of trying out and fabrics, the foreign Ozone organization, the United international locations business improvement association, the Ministries of our environment of Poland, France, Belgium, and Italy, U.S. service provider for foreign improvement, U.S. Environmental security service provider, greater than twenty universities and institutes of upper studying, and 5 nationwide academies of sciences. the 1st assembly during this sequence used to be geared up by way of Prof. Pawlowski and Dr. Lacy in 1976 on the Marie Curie-Sklodowska college in Lublin, Poland. The convention handled quite a few physicochemical methodologies for water and wastewater therapy learn initiatives that have been together subsidized by way of U.S. EPA and Poland.
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Additional resources for Chemistry for Protection of the Environment
Hazardous waste can easily be slipped across frontiers. National definitions of it differ. It can be shipped, without difficulty, under labels which fail to inform customs officers what it consists of (there is no international agreement on how wastes-should be characterised), and it is very difficult for them to carry out checks. So the export of hazardous wastes is a distinct possibility - and incidents caused by careless disposal may follow. 2. ACID RAIN Without the 110,000 cubic kilometres of rain that fall each year, the continents would be barred.
The only lasting solution is to reduce the emissions of the pollutants in the first place. Apart from the effect that strict controls would have in protecting waters and forests, 39 they could save millions of dollars by avoiding corrosion. The Organisation for Economic Co-operation and Development (OECD) made a first attempt in 1981 to find a way of quantifying corrosion costs. 2 billion in corrosion costs every year. But the report acknowledges that this is a very approximate figure and more work is being carried out to improve the estimates.
Desulfurization of combustion gases with alkaline solutions or suspensions, as well as with dry processes utilizing the oxides of calcium or magnesium, require large and expensive facilities because of the huge volume of gases to be treated. One way to bum coal containing sulfur is to use a mixture of powdered coal and the oxides of calcium and magnesium. These oxides combine with sulfur dioxide and form sulphates. Even if this process could be made to work satisfactorily, it does not eliminate a pollution problem for it generates a substantial amount of solid waste.
Chemistry for Protection of the Environment by Lucjan Pawlowski, William J. Lacy, Christopher G. Uchrin, Marzenna R. Dudzinska