Guo, Yaping, Adam Khalaf, Wenzhuo Kong, Hongzhen Ma, Jiawei Liang, Dongxu Zhao, Zhiguo Wang, Yebo Li, and Fuqing Xu. “Evaluation of Flue Gas Desulfurization Gypsum As a Low-Cost Precipitant for Phosphorus Removal from Anaerobic Digestion Effluent Filtrate”. International Journal of Agricultural and Biological Engineering 17, no. 4 (September 6, 2024): 198–206. Accessed December 26, 2025. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/8227.