2017Journal Article

Investigation on a combined air treatment process for air-conditioning system

Cui, X · Mohan, B · Islam, M R · Chou, S K · Chua, K J

Energy Procedia

In: Energy Procedia, vol. 142, pp. 1874 - 1879, 2017, ISSN: 1876-6102, (Proceedings of the 9th International Conference on Applied Energy).

Full abstract

The present study introduces an air treatment system (ATS) for improving indoor air quality and reducing the energy consumption of air-conditioning system. The ATS has been proposed to combine three sub-systems, namely, (i) energy-efficient oxygen production sub-system, (ii) ozone-based oxidation treatment sub-system, and (iii) air scrubbing sub-system. Experimental setups have been designed and constructed to study the performance of primary equipment in the ATS. The proposed air-purification process is able to reduce the concentration of indoor air pollutants such as volatile organic compound. The experimental results have demonstrated that the proposed ATS enables a lower outdoor air intake rate resulting in a reduced cooling load. Considering the energy consumption of primary equipment of the ATS operating in tropical climates, the total energy consumption can be reduced from 52.18 W/m2 to 41.26W/m2 by regulating the outdoor air intake rate from 10 L/s per person to 4 L/s per person.

Topics

Air-conditioningCooling loadEnergy consumptionIndoor air quality