Base Oil Solvent Extraction Plant
Advanced PPGT-BE technology for cutting-edge base oil purification and contaminant removal.

Base Oil Purification Excellence
Our state-of-the-art Base Oil Solvent Extraction Plant represents the pinnacle of oil purification technology. Using advanced PPGT-BE processes, we deliver superior quality base oils that meet the most stringent industry standards.
The facility combines innovative extraction methods with precise process control to ensure optimal removal of undesirable compounds while maintaining the essential properties of the base oil.
PPGT-BE Solvent Extraction Plant
Advanced Base Oil Purification Technology
The PPGT-BE Solvent Extraction Plant is a cutting-edge solution designed to remove undesirable contaminants from base oils, especially those derived from waste oil refineries. This includes the efficient extraction of harmful compounds such as:
- Polycyclic Aromatic Hydrocarbons (PAHs)
- Gums and Asphaltenes
- Sulfur, Nitrogen, and Oxygen Compounds
These impurities, if left untreated, significantly degrade the performance and stability of base oils.
- Advanced contaminant removal technology
- Efficient extraction of harmful compounds
- Enhanced base oil performance and stability
- Waste oil refinery optimization
- Environmental compliance and safety
- Superior product quality and reliability
Innovative Reverse Extraction Technology
At the core of our system is a continuous reverse solvent extraction column, developed and patented by the Fossil Wood Engineering team. This advanced technology is specifically engineered to:
- Enhance Viscosity Index
- Improve Oxidation Stability
- Reduce Carbon Residue
- Achieve Superior Color and Clarity
By reversing the traditional extraction flow, our system enables higher selectivity and efficiency, especially when processing base oils recovered from used or contaminated oil sources.
98% Recovery Rate
Exceptional yield of Group I+ base oil recovery.
Low Solvent Consumption
Only 1 kg solvent per ton of processed oil.
Continuous Operation
High throughput with uninterrupted processing.
Modular Design
Compact and scalable plant configuration.
High Solvent Recovery
98%+ solvent recovery rates for efficiency.
Improved Oil Properties
Enhanced viscosity index, oxidation stability, and clarity.
Exceptional Yield & Efficiency
Thanks to Fossil Wood's exclusive solvent extraction and recovery innovations, the PPGT-BE system delivers over 98% recovery of Group I+ base oil, using only 1 kg of solvent per ton of processed oil — setting a new benchmark in environmental sustainability and cost-efficiency.
By-Products with Commercial Value
The process yields two main outputs:
Raffinates (Neutral Base Oils)
High-quality base stocks suitable for use in lubricant blending.
Aromatic Extract Fluid
Rich in aromatic content, this by-product serves as a valuable feedstock for process oils, fuel oils, and rubber compounding applications.
Key Features
Continuous Operation for High Throughput
Environmentally Responsible with Low Solvent Consumption
Modular and Compact Design
Fully Automated with PLC/SCADA Integration
High ROI Through Energy Efficiency and Product Purity
Applications
Waste Oil Re-refining Units
Lube Oil Blending Plants
Petroleum Reprocessing Facilities
Industrial Base Oil Recovery Plants
Core Systems & Features
The PPGT-BE plant includes integrated systems designed to ensure maximum efficiency and performance, delivering superior product yield while ensuring environmental compliance and operational safety.
Heater & Heat Exchange System
High-efficiency thermal oil heaters and heat exchangers with heat recovery technology.
Multistage Solvent Extraction System
Advanced extraction technology with preheated feedstock for optimal performance.
Base Oil Desolvent System
Vacuum distillation or steam stripping for high-purity end products.
Solvent Recovery System
Closed-loop circulation with minimal solvent loss and operational costs.
Exhaust Purification System
Scrubbers, filters, and activated carbon systems meeting international standards.
PLC/SCADA Control System
Fully automated operations with real-time monitoring and diagnostics.
Commercial Value Outputs
The PPGT-BE process yields two main outputs with significant commercial value, producing Group I and Group II base oils suitable for blending:
Raffinate (Neutral Oil)
High-purity base stock suitable for blending into a wide range of lubricants.
Extract Fluid
Rich in aromatic content, ideal for process oils, rubber compounding, and fuel oil applications.
Harmful Compounds Extraction
The PPGT-BE Solvent Extraction Plant efficiently extracts harmful compounds such as:
Polycyclic Aromatic Hydrocarbons (PAHs)
Harmful compounds from waste oil.
Gums and Asphaltenes
Viscous impurities affecting performance.
Sulfur, Nitrogen & Oxygen Compounds
Chemical contaminants degrading quality.
⚠️ Impact of Impurities
These impurities, if left untreated, significantly degrade the performance and stability of base oils, leading to reduced efficiency and potential equipment damage.
Process Advantages
Superior Quality Output
- High yield of premium-grade base oil
- Low energy & solvent consumption
- Eco-friendly operation with minimal emissions
- Comprehensive automation with remote monitoring
Operational Excellence
- Modular design - easy to scale or upgrade
- Real-time data logging and system diagnostics
- Enhanced process accuracy and safety
- Operational efficiency optimization
Integrated Solutions for Oil Processing
Our end-to-end solutions ensure facilities are equipped to deliver premium-quality lubricants while maintaining environmental responsibility and operational efficiency. We offer complementary solutions to meet diverse processing needs:
Lube Oil Blending Plant
Precision blending systems for automotive and industrial lubricants.
Waste Oil Recycling Plant
Sustainable regeneration of used oils into high-quality base stocks.
Desulfurization Plant
Advanced sulfur removal systems to meet environmental compliance.
Industrial Applications
The PPGT-BE system is designed for various industrial applications requiring efficient base oil processing and recovery, ideal for lubricant manufacturers, waste oil recyclers, and environmental service providers:
Used Engine Oils
Re-refining used engine oils for recovery.
Hydraulic & Gear Oils
Processing hydraulic oils and gear oils.
Industrial Lubricants
Recycling industrial lubricants.
Base Oil Production
Producing Group I and Group II base oils.
Technical Specifications
Recovery Rate
98% Group I+ Base Oil
Solvent Recovery
98%+ recovery rates
Feedstock
Waste Oil Specific
Automation
PLC/SCADA with Remote Monitoring
Scalability
Custom Requirements
Environmental
EPA & EU Standards Compliant
Our Advantages
- High yield of premium-grade base oil with 98% recovery rate
- Low energy & solvent consumption for cost efficiency
- Eco-friendly operation with minimal emissions
- Modular design - easy to scale or upgrade
- Comprehensive automation with remote monitoring
- Comprehensive technical support and maintenance
PPGT-BE Solvent Extraction Plant
Advanced Base Oil Purification Technology
The PPGT-BE Solvent Extraction Plant is designed to remove undesirable impurities from base oils, especially those derived from waste oil refining. This includes the efficient extraction of harmful compounds such as Polycyclic Aromatic Hydrocarbons (PAHs), gums, asphaltenes, sulfur, nitrogen, and oxygenates.
Fossil Wood Engineering Services has redesigned the conventional solvent extraction process with a continuous reverse solvent extraction column. This advanced technology enhances base oil quality by improving:
- Viscosity Index
- Oxidation Stability
- Carbon Residue
- Color and Clarity
Unmatched Solvent Efficiency
Our exclusive solvent extraction and recovery technology achieves over 98% yield of Group I+ base oil using as little as 1 kg of solvent, which reduces operational costs and environmental impact.
High-Value By-Products
Raffinate (Neutral Oil)
High-purity base stock suitable for blending into a wide range of lubricants.
Extract Fluid
Rich in aromatic content, ideal for use in process oils, rubber compounding, and fuel oil applications.
Key Features & Benefits
Designed for waste oil feedstock
High solvent recovery rates (98%+)
Continuous reverse extraction technology
Improved oil properties across the board
Modular & scalable for custom requirements
Low solvent consumption = High ROI
Integrated Solutions for Oil Processing
Explore complementary solutions to meet diverse processing needs:
Lube Oil Blending Plant
Precision blending systems for automotive and industrial lubricants.
Waste Oil Recycling Plant
Sustainable regeneration of used oils into high-quality base stocks.
Desulfurization Plant
Advanced sulfur removal systems to meet environmental compliance.
Our end-to-end solutions ensure your facility is equipped to deliver premium-quality lubricants while maintaining environmental responsibility and operational efficiency.
PPGT-BE Base Oil Extraction Plant
A cutting-edge solution for efficient recovery and purification of high-quality base oils from used or waste lubricants, emphasizing its advanced solvent extraction technology, superior product yield, environmental compliance, and operational safety.
Core Systems & Features
Our plant includes the following integrated systems to ensure maximum efficiency and performance:
Heater & Heat Exchange System
- •High-efficiency thermal oil heaters and heat exchangers
- •Preheats feedstock for optimal process performance
- •Reduces energy consumption through heat recovery technology
Multistage Solvent Extraction System
- •High-efficiency thermal oil heaters and heat exchangers
- •Preheats feedstock for optimal process performance
- •Reduces energy consumption through heat recovery technology
Base Oil Desolvent System
- •Strips residual solvent from extracted base oil
- •Ensures high-purity end products with minimal solvent traces
- •Uses vacuum distillation or steam stripping methods
Solvent Recovery System
- •Recovers and recycles solvents used in the extraction process
- •Minimizes solvent loss and reduces operational costs
- •Environmentally friendly, with closed-loop circulation
Exhaust Purification System
- •Treats gases and vapors before atmospheric release
- •Equipped with scrubbers, filters, and activated carbon systems
- •Meets international environmental standards (e.g., EPA, EU norms)
PLC/SCADA Control System
- •Fully automated plant operations with centralized monitoring
- •Real-time data logging, alarms, and system diagnostics
- •Enhances process accuracy, safety, and operational efficiency
Applications
- •Re-refining used engine oils, hydraulic oils, gear oils, and industrial lubricants
- •Producing Group I and Group II base oils suitable for blending
- •Ideal for lubricant manufacturers, waste oil recyclers, and environmental service providers
Advantages of PPGT-BE Technology
- High yield of premium-grade base oil
- Low energy & solvent consumption
- Eco-friendly operation with minimal emissions
- Modular design - easy to scale or upgrade
- Comprehensive automation with remote monitoring