Formaldehyde and volatile organic compound (VOC) emissions from particleboard: Identification of odorous compounds and effects of heat treatment

Jiang, Chuanjia; Li, Dandan; Zhang, Pengyi; Li, Jinge; Wang, Juan; Yu, Jiaguo

doi:10.1016/j.buildenv.2017.03.004

Cited by 184 publications

(88 citation statements)

References 52 publications

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“…. Indoor VOC concentrations are driven by several physicochemical processes occurring within buildings such as gas‐phase chemical reactions, air exchange with outdoor air, and gas‐surface processes occurring at indoor surfaces (emission, sorption, or heterogeneous reactivity).…”

Section: Introductionmentioning

confidence: 99%

Impact of material emissions and sorption of volatile organic compounds on indoor air quality in a low energy building: Field measurements and modeling

et al. 2018

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The assessment of VOC emission rates and sorption coefficients was performed for ten surfaces present within a classroom, using field and laboratory emission cells (FLEC) coupled to online and off-line VOC quantification techniques. A total of 21 identified VOCs were emitted by the different surfaces. VOC emission rates measured using PTR-ToF-MS were compared to gas chromatographic measurements. The results showed that the two methods are complementary to one another. Sorption parameters were also successfully measured for a mixture of 14 VOCs within a few hours (<17 hours per surface). A study of the spatial and temporal variability of the measured parameters was also carried out on the two surfaces that presented the most potential for interaction with VOCs, accounting for the largest surface areas within the room. The dataset of emission rates and sorption parameters was used in the INCA-Indoor model to predict indoor air concentrations of VOCs that are compared to experimental values measured in the room. Modeling results showed that sorption processes had a limited effect on indoor concentrations of VOCs for these field campaigns. Modeled daily profiles show good agreement with the experimental observations for VOCs such as toluene (indoor source) and xylenes (outdoor source) but underestimate concentrations of methanol (both indoor and outdoor sources).

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Section: Introductionmentioning

confidence: 99%

Impact of material emissions and sorption of volatile organic compounds on indoor air quality in a low energy building: Field measurements and modeling

et al. 2018

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“…Due to their possible impact on human health the monitoring of these compounds in indoor air is of major interest . The main indoor sources of aldehydes are building materials, paints and furniture, as shown by the numerous papers dealing with the emissions of aldehydes in air by materials . Outdoors, aldehydes are released into the atmosphere by vehicle exhaust and incomplete combustion of hydrocarbons …”

Section: Introductionmentioning

confidence: 99%

“…3,4 The main indoor sources of aldehydes are building materials, paints and furniture, as shown by the numerous papers dealing with the emissions of aldehydes in air by materials. 1,[5][6][7] Outdoors, aldehydes are released into the atmosphere by vehicle exhaust and incomplete combustion of hydrocarbons. 8 In addition to aldehydes, carboxylic acids (propanoic acid, hexanoic acid) can be produced in indoor air by reactions involving ozone, and these compounds have also been widely studied in outdoor air.…”

Section: Introductionmentioning

confidence: 99%

Direct analysis of aldehydes and carboxylic acids in the gas phase by negative ionization selected ion flow tube mass spectrometry: Quantification and modelling of ion–molecule reactions

Ghislain

Costarramone

Sotiropoulos

et al. 2019

Rapid Comm Mass Spectrometry

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Rationale The concentrations of aldehydes and volatile fatty acids have to be controlled because of their potential harmfulness in indoor air or relationship with the organoleptic properties of agri‐food products. Although several specific analytical methods are currently used, the simultaneous analysis of these compounds in a complex matrix remains a challenge. The combination of positive and negative ionization selected ion flow tube mass spectrometry (SIFT‐MS) allows the accurate, sensitive and high‐frequency analysis of complex gas mixtures of these compounds. Methods The ion–molecule reactions of negative precursor ions (OH−, O•−, O2•−, NO2− and NO3−) with five aldehydes and four carboxylic acids were investigated in order to provide product ions and rate constants for the quantification of these compounds by negative ion SIFT‐MS. The results were compared with those obtained by conventional analysis methods and/or with already implemented SIFT‐MS positive ionization methods. The modelling of hydroxide ion (OH−)/molecule reaction paths by ab‐initio calculation allowed a better understanding of these gas‐phase reactions. Results Deprotonation systematically occurs by reaction between negative ions and aldehydes or acids, leading to the formation of [M − H]− primary ions. Ab‐initio calculations demonstrated the α‐CH deprotonation of aldehydes and the acidic proton abstraction for fatty acids. For aldehydes, the presence of water in the flow tube leads to the formation of hydrated ions, [M − H]−.H2O. With the NO2− precursor ion, a second reaction channel results in ion–molecule association with the formation of M.NO2− ions. Conclusions Except for formaldehyde, all the studied compounds can be quantified by negative ion SIFT‐MS with significant rate constants. In addition to positive ion SIFT‐MS with H3O+, O2+ and NO+ precursor ions, negative ionization with O•−, O2•−, OH−, NO2− and NO3− extends the range of analysis of aldehydes and carboxylic acids in air without a preparation or separation step. This methodology was illustrated by the simultaneous quantification in single‐scan experiments of seven aldehydes and six carboxylic acids released by building materials.

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“…Formaldehyde-based resins, such as urea formaldehyde and phenol formaldehyde, are often used for producing particleboards and their VOCs are known as carcinogenic. [28][29][30][31] Therefore, formaldehyde emissions from wood materials have become a topic of great research interest. For example, Kim et al tried to determine the formaldehyde and VOC emissions from wood-based composites, such as medium density fiberboard (MDF) and particleboard (PB), by the desiccator and perforator methods.…”

Section: Introductionmentioning

confidence: 99%

“…It was reported that the emissions of formaldehyde and total VOCs from the particleboard increased significantly with rising temperature. 29 Liang et al examined the effect of humidity on formaldehyde emissions from MDF and suggested a possible mechanism. They reported that the effect of humidity on formaldehyde emissions was based on the hydrolysis of resins or polymers and on the adsorption competition between formaldehyde and water molecules.…”

Section: Introductionmentioning

confidence: 99%

Production of Useful Composite Particleboard From Waste Orange Peel

Taşdemir¹,

Şahin²,

Karabulut³

et al. 2019

Cellulose Chem. Technol.

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In this study, polymeric composite particleboard has been manufactured from orange peel, which is an abundant and promising agricultural waste in Turkey. An urea-formaldehyde (95 wt%) and phenol-formaldehyde (5% wt) mixture was used as polymeric binder and waste orange peel as a filler for the production of particleboard. The effect of polymeric binder/filler ratio on the tensile strength, limit oxygen index and water absorption capacity of the composite materials were determined. The molding temperature and pressure were set to 120 °C and 2 Mton, respectively. The highest tensile strength was obtained as 15 MPa at an equal polymer/orange peel ratio. Both mechanical strength and LOI (limiting oxygen index) values increased with increasing polymeric binder amount in the particleboard. However, water absorption capacity values decreased from 0.35 g water/g material to 0.16 g water/g material, with increasing amount of the polymeric binder. Considering the properties of the developed polymeric composite material, it can be concluded that orange peel waste can be used as a filler to replace wood-based materials in the production of particleboard.

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Formaldehyde and volatile organic compound (VOC) emissions from particleboard: Identification of odorous compounds and effects of heat treatment

Cited by 184 publications

References 52 publications

Impact of material emissions and sorption of volatile organic compounds on indoor air quality in a low energy building: Field measurements and modeling

Impact of material emissions and sorption of volatile organic compounds on indoor air quality in a low energy building: Field measurements and modeling

Direct analysis of aldehydes and carboxylic acids in the gas phase by negative ionization selected ion flow tube mass spectrometry: Quantification and modelling of ion–molecule reactions

Production of Useful Composite Particleboard From Waste Orange Peel

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