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This study investigated the desorption behavior of heavy metals, Zn(II) and Cu(II), in the contaminated soil using citric acid and citric acid-containing wastewater (CACW). Four influence factors, including soil contamination levels, dosage of citric acid, reaction time and soil pH were taken into account. Using the citric acid, the desorption reaction with heavy metals was rapid (i.e., less than...
Copper pollution has caused serious public health problems recently, and activated Firmiana Simplex Leaf has proved effective to remove Cu(II) from aqueous solution. Factors affecting the adsorption of Cu(II) include: dosage, solution pH, temperature and duration. The thermodynamic behavior reveals the endothermic and spontaneous nature of the adsorption, and the max adsorption capacity calculated...
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