OBJECTIVES This cross-sectional study aimed to determine the effects of exposure to cement dust on Fractional Exhaled Nitric Oxide (FeNO) in non-smoking cement mill workers. SUBJECTS AND METHODS We recruited 121 apparently healthy male volunteers, 90 of them were non-smoking cement mill workers and 31 non-smoking un-exposed subjects served as control. The mean age of cement mill workers was 3...

ctmada, Illichlgan, New York, Sweden, etc. Existing when properly operated, can destroy most organic v.n the moat complex chlorinated hydrocarbons, be completely destroyed during normal cement kdmal emlsslons to the environment. Burning in cen?8nl kilns, and other mineral Industries, o both industry, who generates such wastes, nd Wvemment, who want to dispose properly of such , mrfromnentally a...

The cement industry is one of the most energy and carbon-intensive industries. The energy and carbon reduction is an important issue in this industry. The present work considers the use of alternative fuels in the cement kilns. The amounts of excess air, the location of fuel and air entrance, as well as the amount of produced gas stacks, are the main design and operational variables in the kiln...