Member unit of Viet Phuong Group 
Coal ash generated from the coal combustion process consists of two main components:
Fly ash is the fine particles that are carried along with the exhaust gas and are captured by the dust treatment system.
Bottom slag is the larger-sized material that is collected at the bottom of the furnace.
Based on the results of analysis and quality assessment, the ash has It can be studied for recovery as a raw material or additive for the production of cement, concrete, non-fired building materials, and some suitable leveling purposes. Recovery, transportation, and use must comply with legal regulations, technical requirements, and environmental protection regulations.