Eco − utilization of silicon − rich lye: Synthesis of amorphous calcium silicate hydrate and its application for recovering heavy metals

• Published in: Separation and purification technology Vol. 282; p. 120092
• Main Authors: Qi, Fang, Zhu, Ganyu, Zhang, Yimin, Hou, Xinjuan, Li, Shaopeng, Yang, Chennian, Zhang, Jianbo, Li, Huiquan
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.02.2022
• Subjects: Calcium silicate hydrate; Causticization; Heavy metals; Recovery; Silicon−rich lye; Silicon−rich lye; Calcium silicate hydrate; Causticization; Recovery; Heavy metals

•Nano-crystalline C − S − H is synthesized from SRL by mild causticization and crystallization strategy.•High-efficiency separation of Na/Si components and alkali recycling can be collaboratively achieved from SRL.•C-S-H presents amorphous honeycomb porous structure and activity ions exchange sites....