Long/Short-Term Performance Test for Evaluating the Reduction of Indoor Formaldehyde Using Sorptive Building Materials

Abstract

Key WordsFormaldehyde E Test method E Sorptive building material E Concentration reduction In this paper, a test method for evaluating the ability of sorptive building materials to reduce the concentration of formaldehyde is examined. The authors developed a new method that uses a small chamber to test the suppressive effect of sorptive building material on formaldehyde-emitting materials. Two small chambers were prepared, with the formaldehyde-emitting building material placed in one chamber and a composite building material comprised of sorptive building material attached to the formaldehyde-emitting building material in the other. The formaldehyde emission factors of the two chambers were compared, and the equivalent ventilation rate Q ads was calculated. The test method would enable the indoor concentration reducing performance and the suppressive performance of the sorptive building materials to be evaluated at the same time. The suppressive effects of several kinds of sorptive building materials were examined, and accordingly the validity of the test method was verified. The continuous reduction performance of indoor formaldehyde for sorptive building materials using sorption breakthrough capacity method was also evaluated.

Extracting the Critical Points of Formaldehyde (HCHO) Emission Model in Hot Desert Climate

“…The parameters for the application of the first-order reduction model and the double exponential decay model were calculated as shown in Table 2 below using the initial emission intensity, the first reduction constant, and the second reduction steady of each specimen figured through the small chamber emission experiment, and this was used to predict the emission intensity (Hult et al, 2015; Liang et al, 2016; Seo et al, 2013).…”

Experimental Evaluation of Indoor Formaldehyde Decomposition Performance of Atmospheric Plasma Reactor Utilizing Sensor Network

“…In addition to the problem of detecting ambient concentration levels of formaldehyde, that of actively improving the indoor air quality has also attracted significant interest in recent decades [19][20][21]. Various researchers have demonstrated the removal of acetaldehyde or formaldehyde using atmospheric pressure nonthermal plasma reactors [22][23][24][25].…”