Mixed xylenes (made by C7/C9 transalkylation)
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Emission factor summary
Process description: The C7/C9 transalkylation produces the main product mixed xylenes. For this purpose, the process consumes toluene, hydrogen, and C9+ aromatics. Utilities consumed comprise electricity, steam, and cooling water. Additionally, the process produces thermal energy as a utility by-product. The multifunctionality problem for the utility by-product is solved by system expansion via the avoided burden approach. Dataset type is technology-specific (core layer). Allocation type is allocation via mass. In case of energy co-production, allocation via avoided burden is applied for the co-produced energy. CAS RN is 1330-20-7. All datasets are based on the attributional LCA approach and the methodology defined in the cm.chemicals methodology document.
| Property | Value |
|---|---|
| Name | Mixed xylenes (made by C7/C9 transalkylation) |
| Sector | Materials and Manufacturing |
| Category | Chemical Products |
| Source | Carbon Minds |
| Source Dataset | cm.chemicals V2.02 |
| Region | |
Unit Type | |
| Year | 2023 |
| Year Released | 2025 |
| Emission Factor |
|
| Scopes | 3.1 |
LCA Activity | cradle_to_gate |
Supported CO2e Calculation Method | AR6 |
| Data Versioning |
|
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