|Table of Contents|

Impact of pH on Dissolution and Precipitation of Mineral in Mixing Solution(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2009年第04期
Page:
413-417
Research Field:
水资源与地质工程
Publishing date:

Info

Title:
Impact of pH on Dissolution and Precipitation of Mineral in Mixing Solution
Author(s):
SUN Ya-qiao QIAN Hui DUAN Lei
(School of Environmental Sciences and Engineering, Chang'an University, Xi'an 710054, Shaanxi, China)
Keywords:
mixing hydrochemical simulation saturation mixing ratio
PACS:
P641.3
DOI:
-
Abstract:
Taking the flyash leach mixing with tap water as a research object, the effect of pH on dissolution and precipitation of mineral in mixing solution is studied by hydrochemical simulation. The result shows that the pH causes the change of activity of CO2-3 and has an effect on the saturation of calcite and dolomite for single-phase mixing. In measured and simulated mixing solution, the saturation of Calcite and Dolomite is decreasing differently with the mixing ratio from 0.1 to 0.9. Under the influence of pH, the saturation of chalcedony presents the tendency of increase at the beginning and then decrease with the increase of mixing ratio.

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Last Update: 2009-12-20