Valorization of industrial by-product gypsum into high-strength α-hemihydrate: Phase transformation, impurity control, and continuous process scale-up

• Yanhui LiXi'an Jiaotong University
• Chaoran SunXi'an Jiaotong University
• Jiayu GuoXi'an Jiaotong University
• Mingyong MaoXi'an Jiaotong University
• Shaoming DingXi'an Jiaotong University
• Fengxiao HouNorth University of China
• Xuesen KouLinyi University