Valorizing Coal Gasification Fine Slag through a ‘Division of Labor’ Mechanism for Sustainable Soil Remediation

Key Points

• The research aims to evaluate the use of coal gasification fine slag as an effective soil amendment for immobilizing heavy metals in contaminated soils.
• Assess the characteristics of coal gasification fine slag.
• Conduct experiments to test its effectiveness in soil remediation.
• Analyze the immobilization capacity for various heavy metals.
• Coal gasification fine slag significantly reduces the mobility of heavy metals in contaminated soils.
• The slag demonstrated strong potential as a functional soil amendment.
• Improvement in soil quality metrics following application of the slag.