Multi-stage reaction and separation systems of a CO2-based hydrometallurgical process

• Main Authors: Zhao, Huangjing, Zhou, Xiaozhou
• Format: Patent
• Language: English
• Published: 09.08.2022
• Subjects: CHEMISTRY; DISPOSAL OF SOLID WASTE; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; RECLAMATION OF CONTAMINED SOIL SOIL; SEPARATION; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The present invention is a CO2 based hydrometallurgical multistage reaction and separation system comprising: a pre-washing device configured to fully mix the feedstock, such as industrial solid waste, mineral and mine tailings with auxiliary reagents and water at specific ratio, a reactor configure...