Also the economic and social benefits of producing silicon fertilizer from fly ash and iron slag were discussed, which could offer a new way for the comprehensive utilization of cinder and iron slag.

• 最后评估了利用粉煤灰、炼铁炉渣开发硅肥的经济效益和社会效益,这将为粉煤灰、高炉渣综合利用开辟提供有价值的参考。