%0 Journal Article %A Li, Yalin %A Huang, Yu %A Liu, Lei %A Liu, Haozhao %A He, Haiyang %A Lu, Dongxue %A Dong, Tingting %D 2023 %J Journal of Renewable Materials %@ 2164-6341 %V 11 %N 3 %P 1237--1253 %T Nano-CaO2 Promotes the Release of Carbon Sources from Municipal Sludge and the Preparation of Double-Network Hydrogels with High Swelling Ratios %M doi:10.32604/jrm.2022.022972 %U http://www.techscience.com/jrm/v11n3/50325