The China Academy of Building Research is a state-level scientific research institution dedicated to promoting technical improvement in the construction industry.

After office renovation, volatile organic compounds (VOCs) such as formaldehyde and TVOC as well as microbial contamination may affect staff health and productivity. Traditional air purification, like ordinary purification devices and activated charcoal air purification may cause secondary pollution. It cannot fulfill the requirements of scientific research institutions. In achieving real-time purification and sustainable air quality control, the China Academy of Building Research adopted Monitair bipolar ionization Indoor Air Quality (IAQ) solutions, to protect health and well-being of staff from virus infections as well as removing pollutants in the indoor environment.

As a state-level institution, China Academy of Building Research adopts the world’s leading bipolar ionizer, will provide a demonstration model for construction industry.

SOLUTION & RESULT

EC 1500 was installed at the HVAC outlets of the studio of Master Xiao Congzhen, leader of the preparatory group of the China Academy of Building Research.

After installation of EC 1500, the optimal 170,000 ions/cm3 achieved, increased from 2,000 ions/cm3, which is far exceed the local standards in Zhejiang Province. Number of bacteria decreased from 1,200 CFU/m³ to less than 200 CFU/m³, a decrease of 83%. HIgh ion level has been proven by independent laboratory tests (such as EMSL Analytical in USA and Kitasato Research Center in Japan) that can safely and effectively killed Coronavirus, Influenza H1N1, H5N1 and Staphylococcus aureus within 10 minutes. According to National Centre of Quality Inspection and Testing for Air Conditioning Equipment, bipolar ionizer of Monitair can remove 99.9 % of virus.

Bipolar Ionizer can maintain good level of TVOC after renovation, it actively decomposes formaldehyde, VOCs, bacteria and other pollutants in the air, and converts them into harmless CO₂ and H₂O through oxidative decomposition reaction, without secondary pollution residue. Formaldehyde decreased from 0.15mg/m³ (3 times exceeding the standard) before installation to less than 0.03mg/m³ (within the national standard), a decrease of 80%. TVOC decreased from 1.2 mg/m³ before installation to less than 0.3 mg/m³, a decrease of 75%

Bipolar ionizer need not to replace filter，energy consumption is only and ⅓ and operating cost is 60% of repeated antimicrobial treatments. The product has passed the national UL standard, ozone output lower at 0.05ppm which is 1/47 of WHO suggestion and fulfil international standard. With 24-hour continuous purification，improve staff occupational health. Finally, improved staff attendance and productivity as well as reduce absenteeism due to respiratory disease.

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