Document Detail

Chamber studies on non-vented decorative fireplaces using liquid or gelled ethanol fuel.
MedLine Citation:
PMID:  24517295     Owner:  NLM     Status:  Publisher    
Decorative ethanol fireplaces are becoming more and more commonly used in many different countries. These fireplaces are constructed such that they have no fume extraction system and so all of the gases from combustion, volatile organic compounds and particulate emissions are released into the room. In order to determine the release behavior and the chemical composition of the emissions, a variety of combinations of ethanol fireplaces and fuels were examined in a 48 m³ emission test chamber under typical living room environmental conditions. 4 ethanol fireplaces with 8 different fuels (3 liquid samples, 5 gel-type samples) were tested. The ventilation conditions were set up corresponding to the manufacturers' recommendations and DIN 4734-1. The air concentrations in the chamber were evaluated based on guideline values for indoor air. Of the combustion gases examined, the quantity of carbon dioxide and nitrogen dioxide in particular were close to or even above the guideline values in many cases. A release of components of the fuel (e.g. the denaturing substances) was also detected in the chamber air. In two experiments, a benzene concentration of over 12.5 ppb and an increased formaldehyde concentration (>0.1 ppm) were identified in the chamber air. The ethanol fireplaces were - irrespective of the type of fuel used - strong sources of fine and ultra-fine particles (<560 nm). Overall, ethanol fireplaces have a considerable influence on the quality of the indoor air due to the lack of ventilation. This aspect should - in addition to fire protection - be properly considered when using such devices.
Tobias Schripp; Tunga Salthammer; Sebastian Wientzek; Michael Wensing
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-2-11
Journal Detail:
Title:  Environmental science & technology     Volume:  -     ISSN:  1520-5851     ISO Abbreviation:  Environ. Sci. Technol.     Publication Date:  2014 Feb 
Date Detail:
Created Date:  2014-2-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0213155     Medline TA:  Environ Sci Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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