Open Access

ARTICLE

Nano-CaO₂ Promotes the Release of Carbon Sources from Municipal Sludge and the Preparation of Double-Network Hydrogels with High Swelling Ratios

Yalin Li^1,2,*, Yu Huang², Lei Liu¹, Haozhao Liu¹, Haiyang He¹, Dongxue Lu¹, Tingting Dong¹

1 School of College of Environmental and Biological Engineering, Henan University of Engineering, Zhengzhou, 451191, China
2 School of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan, 430068, China

* Corresponding Author: Yalin Li. Email: