Health impacts of domestic coal use in China
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Abstract
Domestic coal combustion has had profound adverse effects on the health of millions of people worldwide. In China alone several hundred million people commonly burn raw coal in unvented stoves that permeate their homes with high levels of toxic metals and organic compounds. At least 3,000 people in Guizhou Province in southwest China are suffering from severe arsenic poisoning. The primary source of the arsenic appears to be consumption of chili peppers dried over fires fueled with high-arsenic coal. Coal samples in the region were found to contain up to 35,000 ppm arsenic. Chili peppers dried over high-arsenic coal fires adsorb 500 ppm arsenic on average. More than 10 million people in Guizhou Province and surrounding areas suffer from dental and skeletal fluorosis. The excess fluorine is caused by eating corn dried over burning briquettes made from high-fluorine coals and high-fluorine clay binders. Polycyclic aromatic hydrocarbons formed during coal combustion are believed to cause or contribute to the high incidence of esophageal and lung cancers in parts of China. Domestic coal combustion also has caused selenium poisoning and possibly mercury poisoning. Better knowledge of coal quality parameters may help to reduce some of these health problems. For example, information on concentrations and distributions of potentially toxic elements in coal may help delineate areas of a coal deposit to be avoided. Information on the modes of occurrence of these elements and the textural relations of the minerals and macerals in coal may help predict the behavior of the potentially toxic components during coal combustion.
Suggested Citation
Finkelman, R.B., Belkin, H., and Zheng, B., 1999, Health impacts of domestic coal use in China, in Proceedings of the National Academy of Sciences of the United States of America, v. 96, no. 7, p. 3427-3431, https://doi.org/10.1073/pnas.96.7.3427.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Health impacts of domestic coal use in China |
| DOI | 10.1073/pnas.96.7.3427 |
| Volume | 96 |
| Issue | 7 |
| Publication Date | March 30, 1999 |
| Year Published | 1999 |
| Language | English |
| Larger Work Title | Proceedings of the National Academy of Sciences of the United States of America |
| First page | 3427 |
| Last page | 3431 |