Thermal Desorption Unit Project in Africa: A Clean Transition for Waste Management Company

On December 29th, 2025, Beston Group successfully launched a high-efficiency oil sludge treatment project in Africa. Utilizing advanced TDU pyrolysis technology, the project converts industrial hazardous waste into high-value resources, marking a significant step forward for the region in achieving a circular economy and meeting environmental regulatory standards. Below are the detailed insights into this project:

BLJ-16 Thermal Desorption Unit Project in Africa
Beston engineers are carefully commissioning the TDU system under the bright sun (Credit: Beston Group)

Issues Faced & Core Objectives

  • Issues: A mid-sized solid waste management company in Africa had long struggled with massive accumulations of oil sludge. Their previous incineration methods caused severe smoke pollution and a harsh operating environment (high temperatures and odors), making it impossible to meet local environmental regulations.
  • Objectives: To implement advanced pyrolysis equipment that is stable in operation, highly automated, and capable of resource recovery.
Drill Cuttings of African Client
Large volumes of oily drill cuttings staged on the ground for treatment

Solution & Action: BLJ-16 TDU System

After a thorough assessment of the client’s site conditions and processing requirements, Beston Group provided a high-performance BLJ-16 Thermal Desorption Unit (TDU) solution. Below are the key project specifications for your reference:

Model Configuration

  • Model: BLJ-16 thermal desorption unit (standard configuration)
  • Process capacity: 16-18t/batch
  • Working method: Batch
  • Feeding system: Integrated combination of screw feeding and belt conveying

Project Information

  • Raw material: Oil-based drill cuttings (moisture & oil content: ~35%)
  • Project start date: March 27, 2025
  • Successful operation date: December 29, 2025
  • Project duration: 277 Days
Feeding Test on the TDU System
Workers conducting the feeding test on the TDU system (Credit: Beston Group)

44 Days Rapid Deployment: Visual Highlights of On-Time Delivery

From November 16 to December 29, 2025, Beston Group team completed the on-site installation in just 44 days. 📸 Explore the highlights of our installation process below:

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Installation of the Manifold of TDU System
Installation of the Manifold of TDU System
Precision Joint Assembly on Site
Precision Joint Assembly on Site
Welding the Piping of TDU System
Welding the Piping of TDU System
Dust Removal Unit Structural Assembly
Dust Removal Unit Structural Assembly
Unloading Water Cooled Screw Conveyor
Unloading Water Cooled Screw Conveyor
Installation of the Steel Support Structure
Installation of the Steel Support Structure

Project Value & Results

Following the successful 15-ton oil sludge commissioning run in late December 2025, the plant is now fully operational, delivering the following key values to the client:

  • Environmental compliance: The closed-loop operation eliminated the smoke emissions associated with traditional incineration.
  • Economic circularity: The produced pyrolysis oil not only fuels the equipment but the surplus also generates additional profit for the client.
  • Brand elevation: The stable operation of this project has helped the client transform from a traditional “incineration station” into a benchmark enterprise for environmental treatment in the region.
Beston Technical Team with African Clients
Group photo of Beston technical team with African clients after the successful commissioning of TDU system (Credit: Beston Group)
Project Acceptance Report of African Client
African Client's Project Acceptance Report

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