May 09, 2021
KCNA Pyongyang Times

Bio-air purifier developed

Date: 04/05/2021 | Source: Pyongyang Times | Read original version at source

The State Bacteria Preservation Institute under the State Academy of Sciences has developed a new type of bio-air conditioner.

“The bio-air conditioner biologically resolves and removes harmful gas from furniture in houses and offices and such industrial establishments as chemical factories, and also the unpleasant smell in domestic animal houses and sewage disposal plants,” said Yun Chol, section chief and lead developer.

It comes in two kinds according to gas disposal volume, gas density and disposal area.

The one for exterior use degrades and removes 1 500 to over 50 000 cubic metres of industrial waste gas per hour and the one for interior use 100 to 500 cubic metres of bad-smelling gas per hour.

The introduction of the bio-air conditioner into different units proved that the bad-smelling harmful gas purification ratio reaches over 90% and the dust collecting ratio more than 98%.

In particular, the purifier for interior use with bio-filtering carrier shows a more than 60 percent germ-eliminating effect and when an accessory combining TiO2 with ultraviolet lamp is added to it for air sterilization, it can raise the indoor germ-free level to 300 000.

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