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10.1021/acssuschemeng.7b02790 http://scihub22266oqcxt.onion/10.1021/acssuschemeng.7b02790 29142789!5678292!29142789     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=29142789&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215       ACS+Sustain+Chem+Eng 2017 ; 5 (11): 10864-10874 Nephropedia Template TP {{tp|p=29142789|t=2017. Catalytic Depolymerization of Lignin and Woody Biomass in Supercritical Ethanol: Influence of Reaction Temperature and Feedstock |pdf=|usr=}}{{29142789}} gab.com Text Catalytic Depolymerization of Lignin and Woody Biomass in Supercritical Ethanol: Influence of Reaction Temperature and Feedstock JO: ACS Sustain Chem Eng http://www.kidney.de/pget.php?&tw=1&pmid=29142789 #FOAvip The one-step ethanolysis approach to upgrade lignin to monomeric aromatics using a CuMgAl mixed oxide catalyst is studied in detail. The influence of reaction temperature (200-420 degrees C) on the product distribution is investigated. At low temperature (200-250 degrees C), recondensation is dominant, while char-forming reactions become significant at high reaction temperature (>380 degrees C). At preferred intermediate temperatures (300-340 degrees C), char-forming reactions are effectively suppressed by alkylation and Guerbet and esterification reactions. This shifts the reaction toward depolymerization, explaining high monomeric aromatics yield. Carbon-14 dating analysis of the lignin residue revealed that a substantial amount of the carbon in the lignin residue originates from reactions of lignin with ethanol. Recycling tests show that the activity of the regenerated catalyst was strongly decreased due to a loss of basic sites due to hydrolysis of the MgO function and a loss of surface area due to spinel oxide formation of the Cu and Al components. The utility of this one-step approach for upgrading woody biomass was also demonstrated. An important observation is that conversion of the native lignin contained in the lignocellulosic matrix is much easier than the conversion of technical lignin. Twit Text FOAVip Catalytic Depolymerization of Lignin and Woody Biomass in Supercritical Ethanol: Influence of Reaction Temperature and Feedstock ????ACS Sustain Chem Eng http://www.kidney.de/pget.php?&tw=1&pmid=29142789 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=29142789 #FOAvip English Wikipedia <ref>{{Cite pmid|29142789}}</ref> Catalytic Depolymerization of Lignin and Woody Biomass in Supercritical Ethanol: Influence of Reaction Temperature and Feedstock #MMPMID29142789 Huang X; Atay C; Zhu J; Palstra SWL; Koranyi TI; Boot MD; Hensen EJM ACS Sustain Chem Eng 2017[Nov]; 5 (11): 10864-10874 PMID29142789show ga The one-step ethanolysis approach to upgrade lignin to monomeric aromatics using a CuMgAl mixed oxide catalyst is studied in detail. The influence of reaction temperature (200-420 degrees C) on the product distribution is investigated. At low temperature (200-250 degrees C), recondensation is dominant, while char-forming reactions become significant at high reaction temperature (>380 degrees C). At preferred intermediate temperatures (300-340 degrees C), char-forming reactions are effectively suppressed by alkylation and Guerbet and esterification reactions. This shifts the reaction toward depolymerization, explaining high monomeric aromatics yield. Carbon-14 dating analysis of the lignin residue revealed that a substantial amount of the carbon in the lignin residue originates from reactions of lignin with ethanol. Recycling tests show that the activity of the regenerated catalyst was strongly decreased due to a loss of basic sites due to hydrolysis of the MgO function and a loss of surface area due to spinel oxide formation of the Cu and Al components. The utility of this one-step approach for upgrading woody biomass was also demonstrated. An important observation is that conversion of the native lignin contained in the lignocellulosic matrix is much easier than the conversion of technical lignin. ?Catalytic Depolymerization of Lignin and Woody Biomass in Supercritica(epmc).pdf DeepDyve Pubget Overpricing