Journal
CHEMISTRY LETTERS
Volume 49, Issue 6, Pages 728-731Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.200075
Keywords
Maturity indicator; Methylated naphthalene; Clay-catalyzed thermal isomerization
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Funding
- Arai Science and Technology Foundation
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We investigated clay-catalyzed thermal isomerization of methylated naphthalenes. Methylated naphthalenes were heated with montmorillonite, kaolinite, sericite, and CaCO3. Immature coal was heated with and without montmorillonite. Our experiments showed that montmorillonite and kaolinite promoted isomerization of methylated naphthalenes. The high protonation ability and large specific surface area of montmorillonite may have controlled the isomerization rate. The results suggest that coexisting clay minerals will affect the maturation of sedimentary organic matter in the natural environment.
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