Topic: smoke

smoke visible gaseous product of incomplete combustion. Smoke varies with its source, but it usually comprises hot gas and suspended particles of carbon and tarry substances, or soot. To reduce the amount of smoke entering the atmosphere, air pollution laws generally require that power plants, factories, and other large combustion facilities burn anthracite (hard) coal, natural gas, or low-sulfur fuel oil rather than bituminous (soft) coal or high-sulfur fuel oil, and that smokestacks be equipped with scrubbers or other devices. Proper firing techniques and equipment can eliminate or greatly... Read more