Environmental risks and upcycling potential in ternary geopolymer development for oily sludge pyrolysis byproducts - Chenxu Zhong; Chujun Luan; Xuan Guo; Fawei Lin; Jingwei Li; Beibei Yan; Zhanjun Cheng; Eminov Ashraf Mamurovich; Bigaliev Aitkhazha Bigalievich; Guanyi Chen (Journal of Environmental Chemical Engineering, 2026)