Geochemistry of porphyrins: biological, industrial and environmental aspects
β Scribed by Roman S. Czernuszewicz
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 122 KB
- Volume
- 04
- Category
- Article
- ISSN
- 1088-4246
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β¦ Synopsis
The existence of metalloporphyrins in geological materials was established by Alfred Treibs in the 1930s. This discovery provided definitive evidence that organic matter in fossil fuels is largely of biological origin and laid the foundation for the modern science of porphyrin geochemistry. This overview covers to some degree biological, industrial, and environmental topics in the geochemistry of nickel and vanadyl porphyrins in fossil fuels, principally petroleum.
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## Abstract For Abstract see ChemInform Abstract in Full Text.
We briefly describe a nonclassical nonlinear thermodynamic theory with statistical foundations. This statistical approach is based on a generalization to arbitrary nonequilibrium conditions of the Gibbs ensemble algorithm, the so-called nonequilibrium statistical operator method, which can be consid