| 摘要 |
This invention is directed to a method for determining a source of carbon feed used in manufacturing product produced from the carbon feed. The invention further provides a method for tracking products, particularly MTO products, derived from a particular carbon feed. In general, the method involves a variety of steps that include one or more of determining, comparing, inventorying, and tracking the 13C:12C ratio (or HD:H2 ratio) of the product that is being tracked to the measured or predetermined 13C:12C ratio (or HD:H2 ratio) of the feed used to make the product.
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