March 19, 2026Mar 19, 2026
KCNA Naenara (En)

Waste Materials Turn into Cement

Date: 23/10/2021 | Source: Naenara (En) | Read original version at source

The Chongchongang Thermal Power Station produces cement with fly ash as its main raw material. The demand for it is on the increase.

As it is a kind of green cement, no carbon dioxide is released during its production.

Fly ash accounts for over 60 percent of raw materials, and waste materials from chemical factories and salt works are used instead of gypsum. Therefore, its production cost is much lower and power consumption is half of Portland cement.

It can be used in various construction projects, including hydraulic and marine structures.

An Tong Guk, manager of the Urban Construction Station in Anju City, said: We used the cement in floor slab construction of dwelling houses, and its deflection showed 50% less than the existing limit.

At present, it is widely used at construction sites in South Phyongan Province.

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