A review meeting of the CCPA standard, Pretreated Aluminum Ash Used for Mortar and Concrete, was held by CCPA on December 5, 2024. 31 representatives from scientific research and architectural design institutes, industry associations, inspection bodies, laboratories, production enterprises, and users attended the meeting, of which 14 were members of the review committee.

The main drafter introduced the standard preparation process, the collection of comments, and the test data that support the main technical requirements in the standard. The review committee reviewed all the documents, examined the standard text word by word, and put forward revisions. The review committee made conclusions that the content of this standard is systematic and comprehensive, technical indexes are advanced and applicable, and the standard reaches a domestic advanced level in general. Finally, the CCPA standard was approved with unanimous approval.

Based on investigation and basic verification, Pretreated Aluminum Ash Used for Mortar and Concrete sets out technical requirements for the use of pretreated aluminium ash in mortar and concrete, as well as requirements for sample preparation, transportation, and storage. The implementation of this standard will provide an effective way for the utilization of aluminium ash in mortar and concrete, which is conducive to the sustainable development of concrete enterprises in the resource utilization of solid waste.