
| Parameter | Specification |
|---|---|
| Capacity | 5 metric tons per day (≈250 kg/h, based on 20 hrs continuous operation) |
| Feedstock | Used engine oil, lubricating oil, hydraulic oil, gear oil (non-halogenated, non-emulsified) |
| Feedstock Requirements | Water ≤5%, mechanical impurities ≤2% |
| Diesel Yield | 85–90% (depending on feed quality) |
| Product Output | Light diesel fuel (suitable for industrial burners, generators, or further upgrading) |
| Product Quality | • Flash point: ≥65°C • Sulfur content: ≤0.2% (≤10 ppm with optional hydrotreating) • Color: ≤3.5 (ASTM D1500, after clay filtration) |
| Process Type | Continuous vacuum distillation + catalytic refining + adsorption |
| Operating Pressure | Distillation section: -0.085 to -0.095 MPa (vacuum) |
| Operating Temperature | 280–360°C (adjustable by fraction cut) |
| Heating System | Thermal oil heater (fuel options: natural gas / electricity / biomass) |
| Control System | Siemens PLC + 10" HMI touchscreen; supports remote monitoring via 4G/WiFi |
| Power Consumption | ~40 kW (excluding heating source) |
| Footprint | 6 m × 12 m (excluding raw material & product storage tanks) |
| Operators Required | 2–3 per shift |
| Waste Residue | <8% heavy residue (asphalt-like, usable for road base or solid fuel) |
| Emission Treatment | Dual-stage condenser → Alkali scrubber → Activated carbon adsorber |

| Unit | Function |
|---|---|
| Pre-treatment Tank | Settling, dehydration, and coarse filtration |
| Plate Filter / Centrifuge | Removes fine solids and sludge |
| Vacuum Distillation Reactor | Separates light fractions under reduced pressure |
| Fractionating Column | Precisely cuts diesel-range hydrocarbons (180–360°C) |
| Catalytic Refining Vessel | Removes acids, gums, and unstable compounds |
| Clay Bleaching Unit | Improves color and oxidation stability |
| Finished Diesel Tank | 304 stainless steel, with breather valve |
| Residue Collection Tank | Collects heavy bottoms for disposal or reuse |
| Off-Gas Treatment System | Ensures compliance with air emission standards |
3.Safety & Compliance Features
- Explosion-proof motors (ATEX/IECEx optional)
- Over-temperature & over-pressure automatic shutdown
- Nitrogen inerting system (optional for high-safety zones)
- Emergency pressure relief valves
- Leak detection sensors
- Full interlock protection in PLC logic
4. After-Sales & Support
- Basic engineering package included (P&ID, equipment layout)
- On-site installation supervision & operator training (3–5 days)
- Spare parts list provided
- Warranty: 12 months on core components
- Remote troubleshooting support
| Model | 1 TPD | 3 TPD | 5 TPD | 10 TPD |
|---|---|---|---|---|
| Footprint | 4×8 m | 5×10 m | 6×12 m | 8×15 m |
| Power | 15 kW | 25 kW | 40 kW | 75 kW |
| Operators | 1–2 | 2 | 2–3 | 3–4 |
| Diesel Yield | 80–85% | 83–87% | 85–90% | 88–92% |
| Est. Investment* | $ 50–70K | $ 110–160K | $ 200–300K | $ 400–600K |
| Ideal For | Small collectors | County-level recyclers | Municipal projects / mid-scale plants | Regional recycling hubs |
6. Optional Upgrades
- Hydrotreating unit: Produce EN 590 / ASTM D975 compliant diesel
- Fully 304/316 stainless steel construction
- Automated oil sampling & quality analyzer
- Modular skid-mounted design for easy transport
- IoT platform integration for fleet management





