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《TECHNIGUES AND EQUIPMENT FOR ENVIRO.POLL.CONT》 1999-05
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AN STUBY ON THE COMPOSITION AND CONTENT OF AQUEOUS SOLUBILITY ORGANIC COMPOUND IN DUSTFALL

Lin Guozhen Huang Qin (Research Center for Eco-Environmental Scien ces, Chinese Academy of Sciences, Beijing 100085) Su Zhiyi Li Qingfeng (Electric Power Research Institute Ministry of Elect ric Power, Beijing 100085)  
The composition and content of apueoous soluble organic compound in dustfall of several areas have been studied. Nine dustfall samples were collected from 20 meters high over ground. Theri aqueous soluble parts were separated and extracted by ethanol solvent to obtain the content of organic compound and its composition has been detcted by XRPD. Organic acid,potassium fumarate, potassium caprate,organic bases-hydrochloride adduct, urua and urea-nitrate adduct were identified from ethanol solvent extractive. The experiment of influence to CaSO 4·2H 2O solubility for Organic compound has been Carried.The result showed that the CaSO 4·2H 2O solubilityCan be increased about 40%~60%. The Samples of dustfall gave that the CaSO 4·2H 2O Solubility on an auerage was increased about 50%.Because the dustfall commonly contains CaSO 4·2H 2O from the soil or ash particles after coal combustion of power plant. It is an significant meaning to understand some areas enviroonmental acidification(wet deposit) by researching the composition and content of organic compound in dustfall.
【Fund】: 国家自然科学基金
【CateGory Index】: X513
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