And it is suspected that formaldehyde (HCHO) and volatile organic compounds (VOCs) are major factors ... Among the 4 VOCs, toluene concentrations were the highest and the mean value 127.33㎍/㎥ and that concentrations ... Recently, concern about Sick House Syndrome (SHS) has been increased in Korea.
We proposed the new nano-carbon ball (NCB) materials for eliminating the total volatile organic compounds ... We also found that TVOC can be reduced to target level (0.32μg) after introducing 2.0 wt% of NCB. ... The concentrations of acetaldehyde and formaldehyde of the original felts were varied upon the different
As a result, 1.0wt% Pd(R) catalyst under all conditions showed the highest activity. ... Pd catalysts have been used in hydrogenation oxidation and low temperature combustion reaction for toluene ... Toluene is one of the major VOC in painting, coating process.
organiccompounds (TVOCs), carbon monoxide (CO) and carbon dioxide (CO2) in completely closed chamber ... emission of air pollutants of nitrogen oxides (NOx), fine particulate(PM2.5), formaldehyde (HCHO), total volatile ... We conducted the present study to characterize the emission from two common brands of mosquito coils
The analysis was made to cover both toxic and hazardous volatile organic compounds (VOCs) that include ... Considering that roasted fish is often included as one of the common diet items, we can confirm that ... commonly served in our daily diet and collected their smoke samples.
organiccompounds and odor. ... According to many literatures, food waste compost products were examined to use medium for treating volatile ... amount of organic matter.
A new method using anion generating paint was tested to decrease the concentration of volatileorganic ... compound gas which is the main cause of sick house syndrome in living atmosphere. ... The method can be widely applied with low cost because the anion generating paint uses the cheap and
This study analyzed these volatilecompounds and physiochemical properties according to variety. ... The most common volatile flavor component was dl-limonene (64~70%); improved Ⅱ Yuza showed significantly ... Free sugar was mainly fructose, and the main organic acid was citric acid in Yuza.
(IAPs) such as the total volatile organic compounds(VOCs), formaldehyde(HCHO), PM10, carbon dioxide(CO2 ... In schools located industrial complex area, the outdoor concentration of TVOC was higher than that of ... study showed cross-sectional results.
carbon monoxide (CO), particulate matter such as soot and dust, volatile organic compounds (VOC) such ... The primary chemicals that pollute the air are hydrocarbons (HC, also referred to as volatileorganic ... compounds, VOC), nitrogen oxides (NOx), and carbon monoxide (CO).
The chemicals of indoor environmental research were PM10, Volatile organic compounds (toluene and benzene ... The schools were categorized into two groups of newly-built school and the school older than 5 years. ... From the results above, it could be tentatively effective newly-built school classroom of indoor plants
This study was performed to investigate airborne volatile organic compounds(VOCs), formaldehyde, respiratory ... particulate for concentration in primary schools. ... From the comparison in the construction year, the highest concentration of formaldehyde is showed under
Many building materials emit volatile organic compounds(VOCs) which have the potential to affect health ... general ceiling materials constructed in the mock-up test room. ... In natural conditions, moisture adsorption/desorption ceiling materials is showed a higher humidity than
The objective of this study was to estimate distribution of hazardous air pollutants and volatileorganic ... compounds at diverse indoor areas in school. ... of each school.
This study was performed to estimate the emission rate of volatile organic compounds (VOCs) and to evaluate ... the new apartment is designed and constructed with respect to construction materials to emit low VOCs ... have significant increase trend 5 hours after closing windows and doors.
this study, the experimental feasibility of alkali absorption method, recommended for the analysis of volatile ... The results of computation based on this simulated condition indicated that recovery rate of VFA from ... purging at two temperature conditions of 25 and 90℃.
In this paper the lifetime risk assessment of exposure to airborne volatile organic compounds (VOCs) ... The carcinogenic risks 5the carcinogenic VOC are greater than the benchmark concentration (1.0E-6) in ... It was estimated that the contributions of those componentsto cancer risk are not less than 90%.
volatileorganic compound analysis. ... The morphology of cantilever beam was observed by scanning electron microscopy. ... The removal of isopropyl alcohol using scCO2 in various experimental conditions was investigated by a
This study estimated the emission characteristics of odorous volatiles organiccompounds (VOCs) from ... major 7 emission facilities by industrial classification in Yeosu petrochemical industrial complex. ... civil appeal area from May, 2002 to December, 2004, besides.