farms, and these compounds also contributed to odor intensity. ... In this review paper, the sources of odor, major odorcompounds, and emission characteristics from livestock ... The concentrations of ammonia and hydrogen sulfide were high among the odorcompounds emitted from livestock
Biofilers with microbial communities will be effective to remove odors caused by volatile organic compounds ... various odor emission facilities (162 companies and 26 industrial classifications) through comparative ... , based on measured 22 odor substance data for 162 samples taken from A city.
Rhodococcus is reported to produce sulfur compounds which give off an odor similar to rotting eggs and ... Sphingomonas produces volatile halogenated compounds or degrades organic pollutants. ... Massilia can cause the biodegradation of polycyclic aromatic hydrocarbons (PAHs) producing odor in automobiles
For the compounds having low odor threshold value and high VOC concentration, it was found that there ... The objective of this paper is to compare the odor intensity using GC/MS analysis method and odor sensory ... was the same tendency in each field of odor whether the instrument analysis method or the odor sensory
of sulfuric compounds and more complex odors. ... The efficacy of sulfur compounds and complex odor treatment was 91.27% and 95.20%, respectively. ... In addition, considering the characteristics of complex odor, it is necessary to consider additional
/O)는 인간을 detector로 이용하는 bioassay 방법으로 식품에 존재하는 “character-impact compound”, “key odorant” 뿐만 아니라 미량으로 ... 원리 및 방법1) GC-O(Gas Chromatography-Olfactometry)Gas chromatography/olfactometry(GC.
The volume of odorous compounds also showed a similar trend as that for the odorous compound concentration ... of odorous compounds from a swine farm. ... Outside the curtain and perimeter of the site, the concentration of odorous compounds and odor generation
This study compared the stability of odorcompounds in three different types of polymer sampling bags ... The number of detected odor active compounds was reduced by half, and odor intensity was also decreased ... Meanwhile, the PET bag had good stability for odorcompounds compared to the aluminized polyester bag
compounds. ... The complex odor dilution factor ranged from 100 to 120 times at the outlet of the compound fertilizer ... facility exhibited similar contributions from Aldehydes and Sulfur compounds.
reduce the high odor-contributing compounds such as indoles and p-cresol, the sole use of peat moss ... compounds produced during the pig slurry storage period. ... However, their significance diminished when the concentration of odoros compounds are converted into
active compounds” or “odor ? ... active compounds” 는 냄새를 가진 휘발성 성분으로 volatile compounds 하고 구분해서 사용해야 한다. ... (추출법, sample 양) - 같은 OAV를 가진 두 odorant는 농도를 2배로 할 때 인지되는 odorant 강도는 크게 다르다.
iso-valeraldehyde, propionaldehyde), sulfur compounds (hydrogen sulfide, methyl mercaptan, and dimethyl ... sulfide), and nitrogen compounds (ammonia and trimethyl amine), it was demonstrated that the introduced ... , hypochlorite ion (OCl-), in odor emission sites where various odor-causing substances occur simultaneously
In the present study, we evaluated the effect of pH modulation on concentrations of odorous compounds ... Although not all odorous compounds showed the reduction effect with the same pH control, this study can ... Concentrations of odorous compounds and pollutants were analyzed from slurry incubated for 7 days.
the compound malodors allowable emission level than the average multiple for compound malodors. ... Jocheon-eup, and the odor concentration decreased in other areas. ... This study examines the correlation between livestock odor civil petitions and the establishment of
compound at 71% and 29% respectively. ... food waste treatment facilities, incineration facilities, and waste transfer station facilities, the compound ... In this study, complex odors and designated odors were evaluated at the boundary areas and at the outlets
This result shows that sulfur compounds were the main odor-causing compounds in the target landfill. ... Based on average concentrations, the compounds with high contribution values for the sum of the odor ... Complex odor emitted from soil cover layers fluctuated largely at the range of 7~20,800 OU (Odor Unit
Two organic compounds which have been implicated as the cause of earthy-musty odor problems in water ... Two causative agents of earthy-musty odorcompounds, geosmin and 2-MIB, are strongly adsorbed by activated ... The purpose of this paper is to describe adsorbability in removing these two oder causing compounds(geosmin
policies and standards, livestock odor sources, major odorcompounds, and emission characteristics are ... to total odor complaints was 19%-30%. ... In this review paper, the current status of the domestic livestock industry, livestock odor complaints
compounds, phenol/indoles, volatile fatty acids. ... the components of odorants in livestock facilities. ... indicate the GC/MS analysis with Tenax-TA sorbent tube sampling was an effective method for measuring the compounds
Additionally, GAC represents an acceptable treatment option to remove taste-and-odor-causing compounds ... The effluent turbidity was compared to the conventional sedimentation and DAF processes, and the average ... Then, the optimum design factors were used and the DAF system was introduced at the field-scaled plant