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Hydrogenolysis process for lignosulfonate depolymerization using synergistic catalysts of noble metal and metal chloride
Shu, Riyang1,2; Xu, Ying1; Ma, Longlong1; Zhang, Qi1; Wang, Tiejun1; Chen, Pengru1,2; Wu, Qingyun1
2016
Source PublicationRSC ADVANCES
Volume6Issue:91Pages:88788-88796
AbstractA novel hydrogenolysis process for lignosulfonate depolymerization was proposed using a noble metal catalyst cooperated with metal chloride in methanol. Hydrogenolysis performance was significantly affected by the catalysts, via a synergistic catalytic effect between the Lewis acid (metal chloride) and the noble metal. Reaction conditions were also optimized, with 8.6% aliphatic alcohols and 9.2% monomers obtained at 280 degrees C for 5 h over Pt/C cooperated with CrCl3. Analysis of the depolymerized products indicated that CrCl3 had a catalytic promoting effect on cleavage of beta-O-4 bonds with the synergistic catalytic effect of Pt/C. Meanwhile, the noble metal catalysed saturation of the depolymerized products and suppressed them from condensing into residues. The sulfonic groups of lignosulfonate were cleaved and they did not cause Pt/C poisoning. The catalyst showed good recyclability, with no significant loss of catalytic activity after three runs.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c6ra16725j
WOS Subject ExtendedChemistry
WOS KeywordLIGNIN DEPOLYMERIZATION ; KRAFT LIGNIN ; CONVERSION ; CHEMICALS ; ACID ; EFFICIENT ; PHENOLS ; WATER ; HYDRODEOXYGENATION ; DEACTIVATION
Indexed BySCI
Language英语
Funding OrganizationNatural Science Foundation of China(51476178) ; National Key Technology RD Program(2014BAD02B01)
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000384571800110
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11914
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Shu, Riyang,Xu, Ying,Ma, Longlong,et al. Hydrogenolysis process for lignosulfonate depolymerization using synergistic catalysts of noble metal and metal chloride[J]. RSC ADVANCES,2016,6(91):88788-88796.
APA Shu, Riyang.,Xu, Ying.,Ma, Longlong.,Zhang, Qi.,Wang, Tiejun.,...&Wu, Qingyun.(2016).Hydrogenolysis process for lignosulfonate depolymerization using synergistic catalysts of noble metal and metal chloride.RSC ADVANCES,6(91),88788-88796.
MLA Shu, Riyang,et al."Hydrogenolysis process for lignosulfonate depolymerization using synergistic catalysts of noble metal and metal chloride".RSC ADVANCES 6.91(2016):88788-88796.
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