The potted-plant microcosm substantially reduces indoor air VOC pollution: I. Office field-study

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Show simple item record Wood, RA Burchett, MD Alquezar, R Orwell, RL Tarran, J Torpy, F 2009-12-21T02:29:27Z 2006-09
dc.identifier.citation Water, Air, and Soil Pollution, 2006, 175 (1-4), pp. 163 - 180
dc.identifier.issn 0049-6979
dc.identifier.other C1 en_US
dc.description.abstract Volatile organic compounds (VOCs) are major contaminants of indoor air, with concentrations often several times higher than outdoors. They are recognized as causative agents of "building-related illness" or "sick-building syndrome". Our previous laboratory test-chamber studies have shown that the potted-plant/root-zone microorganism microcosm can eliminate high concentrations of air-borne VOCs within 24 hours, once the removal response has been induced by an initial dose. However, the effectiveness of the potted-plant microcosm in 'real-world' indoor spaces has never previously been tested experimentally. This paper reports the results of a field-study on the effects of potted-plant presence on total VOC (TVOC) levels, measured in 60 offices (12 per treatment), over two 5-9 week periods, using three planting regimes, with two 'international indoor-plant' species. Fourteen VOCs were identified in the office air. When TVOC loads in reference offices rose above 100 ppb, large reductions, of from 50 to 75% (to <100 ppb), were found in planted offices, under all planting regimes The results indicate that air-borne TVOC levels above a threshold of about 100 ppb stimulate the graded induction of an efficient metabolic VOC-removal mechanism in the microcosm. Follow-up laboratory dose-response experiments, reported in the following paper, confirm the graded induction response, over a wide range of VOC concentrations. The findings together demonstrate that potted-plants can provide an efficient, self-regulating, low-cost, sustainable, bioremediation system for indoor air pollution, which can effectively complement engineering measures to reduce indoor air pollution, and hence improve human wellbeing and productivity. © Springer 2006.
dc.language eng
dc.relation.isbasedon 10.1007/s11270-006-9124-z
dc.title The potted-plant microcosm substantially reduces indoor air VOC pollution: I. Office field-study
dc.type Journal Article
dc.description.version Published
dc.parent Water, Air, and Soil Pollution
dc.journal.volume 1-4
dc.journal.volume 175
dc.journal.number 1-4 en_US
dc.publocation Dordrecht, The Netherlands en_US
dc.identifier.startpage 163 en_US
dc.identifier.endpage 180 en_US SCI.Environmental Sciences en_US
dc.conference Verified OK en_US
dc.for 060702 Plant Cell and Molecular Biology
dc.personcode 101663
dc.personcode 890009
dc.personcode 760016
dc.personcode 920074
dc.personcode 000029
dc.percentage 100 en_US Plant Cell and Molecular Biology en_US
dc.classification.type FOR-08 en_US
dc.description.keywords "building-related illness" environmental biotechnology
dc.description.keywords "sick-building syndrome"
dc.description.keywords Bioremediation
dc.description.keywords Indoor air pollution
dc.description.keywords Phytoremediation
dc.description.keywords Potted-plant
dc.description.keywords TVOC
dc.description.keywords VOC
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/DVC (Teaching and Learning)
pubs.organisational-group /University of Technology Sydney/Faculty of Science
utslib.copyright.status Closed Access 2015-04-15 12:17:09.805752+10
pubs.consider-herdc true
utslib.collection.history School of the Environment (ID: 344)
utslib.collection.history Closed (ID: 3)
utslib.collection.history School of the Environment (ID: 344)

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