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The Experimental Study of Using Calcium Silicate Slag to Recover Phosphorus in Polluted Water

机译:用硅酸钙渣在污染水中回收磷的实验研究

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Using the hydrated calcium silicate slag which was the remain of preparation potassium sulfate, aluminum hydroxide and layered sodium silicate by thermal decomposition insoluble potassium feldspar as crystal seed to recover phosphorus in polluted water. By orthorhombic experiment of the adsorption, we can get the optimize condition: pH value is 5.3, slag concentration is 5 g L~(-1), the temperature is 35°C, the oscillation time is 8 h. Equilibrium isotherms have been determined and analyzed by BET type. The pseudo second-order kinetics equation can be a better fit on adsorption phosphorus process.
机译:使用水合钙硅酸钙渣,其是硫酸钾,氢氧化铝和层状硅酸铝通过热分解不溶性钾长石作为晶种以回收污染水中的磷。通过反正全的吸附试验,我们可以获得优化条件:pH值为5.3,炉渣浓度为5 g l〜(-1),温度为35°C,振荡时间为8小时。已经通过BET型确定并分析了平衡等温物。伪二阶动力学方程可以更好地适合吸附磷过程。

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