Preparation and Adsorption Properties of Polyaluminum Ferric Chloride from Red Mud AITranslate
Abstract AITranslate
Polyaluminum ferric chloride(PAFC) was prepared from acid leaching solution obtained by hydrochloric acid leaching of red mud,and its performance of kaolin wastewater treatment was studied.The effects of hydrochloric acid concentration,leaching temperature,leaching time and liquid-solid ratio on the leaching rate of Al and Fe in red mud were investigated.Also the effects of PAFC dosage,kaolin quality concentration,wastewater pH value and water temperature on the turbidity removal rate of kaolin during wastewater treatment with PAFC were studied.The experimental results show that the leaching rate of Al and Fe is 76.5% and 33.7%,respectively,under the conditions of 50% hydrochloric acid concentration,80 ℃ leaching temperature,1.5 h leaching time and 5 mL/g liquid-solid ratio.The highest turbidity removal rate of PAC for kaolin wastewater treatment is 90%,while that of self-made PAFC is 94%,under the conditions of PAC/PAFC dosage of 8 mL(10 g/L),wastewater pH value of 7.0,kaolin suspension(mass concentration 125 mg/L) volume of 500 mL and wastewater temperature of 20 ℃.
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Basic Information:
DOI：
Chinese Library Classification Number:X705[环境科学与工程—环境工程]
Citation Information:
Polyaluminum ferric chloride(PAFC) was prepared from acid leaching solution obtained by hydrochloric acid leaching of red mud,and its performance of kaolin wastewater treatment was studied.The effects of hydrochloric acid concentration,leaching temperature,leaching time and liquid-solid ratio on the leaching rate of Al and Fe in red mud were investigated.Also the effects of PAFC dosage,kaolin quality concentration,wastewater pH value and water temperature on the turbidity removal rate of kaolin during wastewater treatment with PAFC were studied.The experimental results show that the leaching rate of Al and Fe is 76.5% and 33.7%,respectively,under the conditions of 50% hydrochloric acid concentration,80 ℃ leaching temperature,1.5 h leaching time and 5 mL/g liquid-solid ratio.The highest turbidity removal rate of PAC for kaolin wastewater treatment is 90%,while that of self-made PAFC is 94%,under the conditions of PAC/PAFC dosage of 8 mL(10 g/L),wastewater pH value of 7.0,kaolin suspension(mass concentration 125 mg/L) volume of 500 mL and wastewater temperature of 20 ℃.
quote
| GB/T 7714-2015 | [1] ZHAO Heng, LI Wang, NIU Ze-peng, et al. Preparation and Adsorption Properties of Polyaluminum Ferric Chloride from Red Mud[J]. Rare Metals and Cemented Carbides, 2019(5): 64-68. |
| MLA | [1] ZHAO Heng, et al., "Preparation and Adsorption Properties of Polyaluminum Ferric Chloride from Red Mud." Rare Metals and Cemented Carbides, no. 5, 2019, pp. 64-68. |
| APA | [1] ZHAO Heng, LI Wang, NIU Ze-peng, & ZHU Xiao-bo. (2019). Preparation and Adsorption Properties of Polyaluminum Ferric Chloride from Red Mud. Rare Metals and Cemented Carbides(5), 64-68. |
| IEEE | [1] ZHAO Heng, LI Wang, NIU Ze-peng, and ZHU Xiao-bo, "Preparation and Adsorption Properties of Polyaluminum Ferric Chloride from Red Mud," Rare Metals and Cemented Carbides, no. 5, pp. 64-68, 2019. keywords: {red mud;acid leaching;polyaluminum ferric chloride;kaolin wastewater;turbidity removal rate} |