Adsorption Characteristics of Pb ~(2+) in Pb-Zn Mine Rock of Yunnan

Under the condition of static state, adsorption characteristics of rock in Pb Zn mine of Yunnan have been studied by using conductance method and fractal geometry theory. For sand rock and breccia , the pH of solution in the process of dissolving increases and finally approaches 7, and pH increases slowly for the later because of the compaction of breccia . The conductivity of solution increases with the increase of time when the concentration of Pb 2+ is lower, whereas when the concentration of Pb 2+ is higher. In the process of adsorption ions in rock are entered in solution. Adsorption capacities ( Q ) of two rocks are bigger, and the Q of Pb 2+ in them obey Freundlich experiential formula. The process of adsorption is fractal like, and mean while the kinetics equation is derived.Ability of adsorption of sand rock is weakened while the temperature of the solution is increased.

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Clc Number:

P571