The separation of azodicarbonamide(AC)from the surface of diatomite by froth flotation is investigated in this research.Pure samples of diatomite,AC and1:1mixtures of the two were floated in a lab-scale flotation cell...The separation of azodicarbonamide(AC)from the surface of diatomite by froth flotation is investigated in this research.Pure samples of diatomite,AC and1:1mixtures of the two were floated in a lab-scale flotation cell withcollector dosage,frother type and dosage,and pH varied to determine the optimum experimental conditions.The diatomite sample and products from flotation tests were characterized using scanning electron microscopy(SEM)equipped with energy dispersive X-ray spectroscopy(EDX).The results of the flotation tests indicate that there is less AC on the surface of diatomite after flotation compared to the feed,while the AC present in diatomite pores remains unchanged.Additionally,Fourier transform infrared spectroscopy(FT-IR)was employed to study the mechanism of interaction between reagents and minerals.展开更多
基金Project((2011)4012)supported by the High-Level of Innovative Talents of Guizhou Province,China
文摘The separation of azodicarbonamide(AC)from the surface of diatomite by froth flotation is investigated in this research.Pure samples of diatomite,AC and1:1mixtures of the two were floated in a lab-scale flotation cell withcollector dosage,frother type and dosage,and pH varied to determine the optimum experimental conditions.The diatomite sample and products from flotation tests were characterized using scanning electron microscopy(SEM)equipped with energy dispersive X-ray spectroscopy(EDX).The results of the flotation tests indicate that there is less AC on the surface of diatomite after flotation compared to the feed,while the AC present in diatomite pores remains unchanged.Additionally,Fourier transform infrared spectroscopy(FT-IR)was employed to study the mechanism of interaction between reagents and minerals.