Coal Tar Distillation
Process of separating useful organic chemicals from coal tar, a byproduct of coal gas production, laying the foundation for the synthetic organic chemistry industry.
Core metadata
- ID: coal_tar_distillation
- Era: Industrial
- First known date: 1830 (decade)
- Region: Europe, North America, and industrializing regions
- Review status: source_checked
- Maturity: N/A
Prerequisites
- Advanced Chemistry (advanced_chemistry)
- Advanced Distillation (distillation_advanced)
- Mining (mining)
- Steam Engine (steam_engine)
Dependents
- Synthetic Chemical Dyes (chemical_dyes_synthetic)
- Early Plastics (plastics)
- Synthetic Dyes (synthetic_dyes)
Fields
- None.
Node sources
- Coal tar (Encyclopaedia Britannica, 2026, textbook) • Supports: node
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 4
- Average edge confidence: 68%
- Prerequisite sources: 3
- expert_inference: 4
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Advanced Chemistry (advanced_chemistry) | enabling | 68% | expert_inference | Advanced Chemistry provides a capability that enables this technology without being the only possible path. |
|
| Advanced Distillation (distillation_advanced) | enabling | 68% | expert_inference | Advanced Distillation provides a capability that enables this technology without being the only possible path. | No sources recorded. |
| Mining (mining) | enabling | 68% | expert_inference | Mining provides a capability that enables this technology without being the only possible path. |
|
| Steam Engine (steam_engine) | enabling | 68% | expert_inference | Steam Engine provides a capability that enables this technology without being the only possible path. |
|
This page is generated from canonical era JSON and is indexable by URL.