economy

The new technology research and dissemination centre of the Mangyongdae District Committee of Science and Technology in Pyongyang brought out non-electrical air-purifying ornaments.

“Indoor air purification at home and office is very important as the harmful factors existing indoors, which are invisible with neither taste nor smell, can be a hidden ‘killer’ that exerts seriously destructive effects on human health and even causes cancer,” said developer Yun Hui.

According to WHO statistics, the number of deaths caused by indoor air pollution reaches millions every year.

The air-purifying devices that have so far been developed depend on electric power and, when turned on for a long while, they cause a dry nose and a headache and dizziness from the noise.

But the new air-purifying ornaments rely on tourmaline and activated charcoal, rather than electricity, to do the same job.

Generally, tourmaline gets electrically charged when it is rubbed, heated or compressed, generating far-infrared rays and anions that are good for human health. Therefore, it has a wide application and earned a worldwide reputation as the “air vitamin” and “environment ranger”.

Hard charcoal is also very good for health as it contains many minerals absorbed from the land for many years. When it is heated in a high vapour pressure, it becomes activated charcoal with strong absorption, adsorption and filtration properties.

Analysis results proved that the ornaments have clear air purification effects reaching the standards in all indices including far-infrared radiation coefficient and formaldehyde and ammonia adsorption rates.

Thus they perform distinctive air purification functions by absorbing and removing bad odours in the room.

The air-purifying ornaments are now enjoying a growing popularity as they offer a clean and refreshing environment as that of a deep forest where a waterfall cascades, and help people lead a long life in good health just through breathing the wholesome air without taking medicines or injections.