The fly ash solidification secondary chelation system is an advanced waste treatment technology designed to enhance the safety and stability of hazardous fly ash disposal. It involves a two-step process: initial solidification to encapsulate contaminants within a stable matrix, followed by a secondary chelation step where specialized reagents are introduced to form stronger bonds with residual toxic metals, further minimizing leachability and environmental risks. This comprehensive approach ensures that fly ash, a byproduct from incineration processes, is rendered non-hazardous and suitable for safe landfilling or reuse in construction materials. By optimizing waste management, this system promotes sustainability and environmental protection.