Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 560-09-8, is researched, SMILESS is CC1(C)[C@@H](CC[C@]1(C)C(O)=O)C(O)=O, Molecular C10H16O4Journal, Energy & Fuels called Mechanistic Pathway of Carbon Monoxide Off-Gassing from Wood Pellets, Author is Rahman, Mohammad Arifur; Hopke, Philip K., the main research direction is mechanistic pathway carbon monoxide off gassing wood pellet storage.Quality Control of (1S,3R)-1,2,2-Trimethylcyclopentane-1,3-dicarboxylic acid.
The off-gassing of carbon monoxide (CO) from stored wood pellets was identified as a significant problem, potentially resulting in adverse occupational and residential exposures. The mechanism for the production of CO from wood pellets was not fully identified. A multiple step process was hypothesized. The reaction is initiated by the autoxidation of unsaturated compounds, including fatty acids and terpenes, by mol. oxygen. As a byproduct of these reactions, hydroxyl radicals are formed. Then, the bulk of CO results from the reactions of hemicellulose and hydroxyl radicals. To understand the mechanistic pathway of CO off-gassing, a number of experiments were conducted in which CO was measured and evolved organic compounds were analyzed using gas chromatog.-mass spectrometry (GC-MS). These studies identified a number of short- and long-chain aldehydes from the evolved gases that indicates the autoxidation mechanism. However, there is insufficient mass of these unsaturated compounds in wood to support the observed mass of off-gassed CO. However, autoxidation would form hydroxyl radicals. The role of hydroxyl radicals was studied using a radical scavenger, and its role in CO production was confirmed. Thus, if the autoxidation initiation can be eliminated, then CO off-gassing from pellets would be substantially reduced. Destruction of the reactive compounds with ozone led to a suppression of CO formation, suggesting an approach to process the wood fiber that would result in low or no CO emission wood pellets.
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Reference:
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com