Wang, Ling Yun and Tong, Dong Shen and Zhao, Li Zhi and Liu, Feng Guo and An, Ning and Yu, Wei Hua and Zhou, Chun Hui (2014) Utilization of alum sludge for producing aluminum hydroxide and layered double hydroxide. Ceramics International, 40 (10). pp. 15503-15514. ISSN 0272-8842