Reuse of Waste Cinder and Fly Ash in Cement Mill

Summary

Almost all the individual companies in Zoazhuang Eco-Industrial Park have a boiler system. Waste cinder and fly ash are the fine mineral residues resulting from the combustion of powdered coal in electric generating plants. Waste cinder and fly ash from the boiler systems are being reused in the manufacturing of cement.

Industry

Industry Sector	Specific Industry
Energy utility sector	Coal combustion plants
Building & construction sector	Cement manufacturing

Region

Zaozhuang, China.

Applied Technologies

• Not known

Triple Bottom Line Aspects (direct at operational level)

Economic	Savings in the disposal costs of the fly ash and cinder waste Potential material purchase savings for cement mill
Environment	Landfill diversion Reduction in raw materials needed to cement manufacture
Social	Potential employment

Additional Comments

None.

References

• Chen, D., Y. Li, J. Shen, et al. (2001) The Planning and Design of Eco-Industrial parks in China. International Cleaner Production Conference, Beijing, China, National development and Reform Council.

Last Update

18 January 2007.