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Performance of a pilot-scale wet electrostatic precipitator for the control of sulfuric acid mist and fine particulates

100%

Jeong S. H., Shim S. H., Song D. K., Hong W. S., Hong J. H., Lee S.-S.

Polish Journal of Environmental Studies

2013

tom 22

nr 2

Because sulfuric acid mist and fine particulates such as PM2.5 are difficult to capture in typical dry electrostatic precipitators (ESPs), using a wet ESP is a viable option for the control of sulfuric acid mist and fine particulates in a flue gas. In this study, bench-scale tests were first conducted to find acceptable methods for achieving uniform water distribution and effective discharge. Based on the bench-scale results, a pilot-scale wESP was designed and constructed. The pilot-scale wESP demonstrated good performance on the removal of sulfuric acid mist and fine particulates.

Ambivalent role of gallated catechins in glucose tolerance in humans: A novel insight into non-absorbable gallated catechin-derived inhibitors of glucose absorption

84%

Park J. H., Jin J. Y., Baek W. K., Park S. H., Sung H. Y., Kim Y. K., Lee J., Song D. K.

Journal of Physiology and Pharmacology

2009

tom 60

nr 4

101-109

Prolonged postprandial hyperglycemia is a detrimental factor for type 2 diabetes and obesity. The benefit of green tea extract (GTE) consumption still requires confirmation. We report the effects of circulating green tea catechins on blood glucose and insulin levels. Oral glucose loading 1 h after GTE ingestion in humans led to higher blood glucose and insulin levels than in control subjects. Gallated catechins were required for these effects, although within the intestinal lumen they have been known to decrease glucose and cholesterol absorption. Treatment with epigallocatechin-3-gallate hindered 2-deoxyglucose uptake into liver, fat, pancreatic beta-cell, and skeletal muscle cell lines. The glucose intolerance was ameliorated by gallated catechin-deficient GTE or GTE mixed with polyethylene glycol, which was used as an inhibitor of intestinal absorption of gallated catechins. These findings may suggest that the gallated catechin when it is in the circulation elevates blood glucose level by blocking normal glucose uptake into the tissues, resulting in secondary hyperinsulinemia, whereas it decreases glucose entry into the circulation when they are inside the intestinal lumen. These findings encourage the development of non-absorbable derivatives of gallated catechins for preventative treatment of type 2 diabetes and obesity, which would specifically induce only the positive luminal effect.

Ograniczanie wyników

1 Journal of Physiology and Pharmacology

1 Polish Journal of Environmental Studies

2 Song D. K.

1 Baek W. K.

1 Hong J. H.

1 Hong W. S.

1 Jeong S. H.

1 Jin J. Y.

1 Kim Y. K.

1 Lee J.

1 Lee S.-S.

1 Park J. H.

1 Park S. H.

1 Shim S. H.

1 Sung H. Y.

1 2013

1 2009

Wyniki wyszukiwania

Performance of a pilot-scale wet electrostatic precipitator for the control of sulfuric acid mist and fine particulates

Ambivalent role of gallated catechins in glucose tolerance in humans: A novel insight into non-absorbable gallated catechin-derived inhibitors of glucose absorption