November 24, 2025Nov 24, 2025
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.

More From Naenara (En)

New Coal Cutter Produced

New Coal Cutter Produced

The Hoeryong Coal Mining Machine Factory has recently manufactured a hydraulic comprehensive coal cutter of a new style that is

November 24, 2025

The Hoeryong Coal Mining Machine Factory has recently manufactured a hydraulic comprehensive coal cutter of a new style that is

Hwasong Kumgang House

Hwasong Kumgang House

The Hwasong Kumgang House is located in a newly-built urban section of the Hwasong area in Pyongyang. Not so long after its

November 24, 2025

The Hwasong Kumgang House is located in a newly-built urban section of the Hwasong area in Pyongyang. Not so long after its

New Technologies Developed on the Basis of Coal Gasification

New Technologies Developed on the Basis of Coal Gasification

The State Academy of Sciences has developed new technologies for producing reduced iron and synthetic fuel on the basis of coal

November 24, 2025

The State Academy of Sciences has developed new technologies for producing reduced iron and synthetic fuel on the basis of coal

New Houses Built in Hyongjesan District of Pyongyang

New Houses Built in Hyongjesan District of Pyongyang

A fairyland village has appeared at the Hyongsan Vegetable Farm in Hyongjesan District, Pyongyang Municipality. The beautiful

November 24, 2025

A fairyland village has appeared at the Hyongsan Vegetable Farm in Hyongjesan District, Pyongyang Municipality. The beautiful

Nation Sees Progress in Afforestation Efforts

Nation Sees Progress in Afforestation Efforts

It has been 11 years since the afforestation campaign started in the DPRK. The period has witnessed a great progress in the

November 24, 2025

It has been 11 years since the afforestation campaign started in the DPRK. The period has witnessed a great progress in the

Nation Goes Full Steam Ahead with Regional Development Policy

Nation Goes Full Steam Ahead with Regional Development Policy

The DPRK goes full steam ahead with the Regional Development 20×10 Policy. As for regional development, the Workers’ Party of

November 23, 2025

The DPRK goes full steam ahead with the Regional Development 20×10 Policy. As for regional development, the Workers’ Party of

Area of Kuksa Peak Facelifted

Area of Kuksa Peak Facelifted

The area of Kuksa Peak in Nampho Municipality was transformed into a cultural and leisure base of the people. What attracts the

November 23, 2025

The area of Kuksa Peak in Nampho Municipality was transformed into a cultural and leisure base of the people. What attracts the

Child Health Day Marked in DPRK

Child Health Day Marked in DPRK

An event took place at Taedongmun Kindergarten in Central District of the DPRK on November 20 to mark Child Health Day. Present

November 22, 2025

An event took place at Taedongmun Kindergarten in Central District of the DPRK on November 20 to mark Child Health Day. Present

ICH Show Demonstrates Long History and Advantage of Korean Culture

ICH Show Demonstrates Long History and Advantage of Korean Culture

Some time ago the exhibition of intangible cultural heritage items-2025 took place at the foot of picturesque Moran Hill in the

November 22, 2025

Some time ago the exhibition of intangible cultural heritage items-2025 took place at the foot of picturesque Moran Hill in the

New Environment Created to Foster Experimental Education

New Environment Created to Foster Experimental Education

Many universities have created a new educational environment. This year Kim Il Sung University has equipped five experimental

November 22, 2025

Many universities have created a new educational environment. This year Kim Il Sung University has equipped five experimental

Pyongyang Optical Technology Company

Pyongyang Optical Technology Company

Established as a small optician’s nearly 40 years ago, the Pyongyang Optical Technology Company has now developed into a

November 22, 2025

Established as a small optician’s nearly 40 years ago, the Pyongyang Optical Technology Company has now developed into a

Living Monument–Bombycis Mulberry

Living Monument–Bombycis Mulberry

There is a bombycis mulberry in the vicinity of the Pohyon Temple in the DPRK’s famous mountain of Myohyang.The living monument is

November 22, 2025

There is a bombycis mulberry in the vicinity of the Pohyon Temple in the DPRK’s famous mountain of Myohyang.The living monument is

Our Own Things Should Be Valued

Our Own Things Should Be Valued

One day in November 2017, the respected Comrade Kim Jong Un visited the Sunchon Catfish Farm Seeing a swelling machine at the

November 21, 2025

One day in November 2017, the respected Comrade Kim Jong Un visited the Sunchon Catfish Farm Seeing a swelling machine at the

Experimental Hall for Education

Experimental Hall for Education

-Visit to the comprehensive experimental hall for education of Kim Chaek University of Technology- Kim Chaek University of

November 21, 2025

-Visit to the comprehensive experimental hall for education of Kim Chaek University of Technology- Kim Chaek University of

Exhibition Showcases New IT Landscape

Exhibition Showcases New IT Landscape

In October the national exhibition of IT successes-2025 was held at the Sci-Tech Complex on the banks of the Taedong River in the

November 21, 2025

In October the national exhibition of IT successes-2025 was held at the Sci-Tech Complex on the banks of the Taedong River in the

More Articles