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Cr(VI) has posed great threat on environmental safety and human health, thus the remediation of Cr(VI) pollution is of considerable importance. The adsorption of Cr(VI) from aquatic solution using activated carbon was studied in this paper. The Cr(VI) sorption was relative to pH, contact time, initial content of solution, adsorbent dose and temperature. The maximum removal efficiencies of Cr(VI) were...
Over the past several decades, trace heavy metal ion pollution, such as Cd(II), Cu(II), Pd(IV), etc., have attracted much attention because of their virulent and hard degradation properties. Recently, great efforts have been devoted to establish new methods and technologies to removal toxic metals. Among them, activated carbon adsorption, especially the modified activated carbon technology has been...
A new adsorbent can be obtained after adsorption of Cu2+ by activated carbon and can be used for waste water containing cyanide treatment. The performance of treatment and the factor influence were studied in this paper. It is shown that the removal efficiency of cyanide in wastewater is about 94% when pH value of reaction liquid is 8-11, the adsorption time is 2-3 h. simultaneously, this method has...
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