Tank Bottom Remediation System

Tank Bottom Systems

Vulcan® Drying Systems Tank Bottom Remediation System

Basis of Design - Throughput Calculations Based on - 50% Solids, 30% Hydrocarbons, 20% Water
Model Tonnage Drum Portable
TB315 1 TPH 3x15 YES
TB420 2 TPH 4x20 YES
TB430 3 TPH 4x30 YES
TB525 5 TPH 5x25 YES
TB630 7.5 TPH 6x30 NO
TB735 10 TPH 7x35 NO

* Varying capacities and feed consistency will change product capacity.


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Each Vulcan® Drying Systems Hemp Drying System is custom-built for each client. Systems include the following components:

  • Feed chute or conveyor
  • Rotary Dryer
  • Combustion chamber with burner
  • Secondary air blower
  • Cyclone or Baghouse
  • Induced air blower
  • Controls

Vulcan Sorting Systems Trommel Screens and Vulcan Sorting Systems Conveyors can be used for sorting and transporting Hemp.

Drill Cutting Remediation System

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System Process Flow

Tank Bottom Remediation System

Main Process Components

1. Feed System

Live bottom feeder, incline screw conveyor, knife gate airlock valves, kiln feed screw conveyor. More InfoThe hydrocarbon contaminated feed is placed in the feed hopper, which includes a live bottom feeder. This live bottom feeder is VFD controlled in order to meter the feed into the system. The feed exits the live bottom feeder and travels via the transfer screw conveyor to two double knife gate airlock valves. These airlocks prohibit the flow of outside air into the process chamber, allowing the feed material to be introduced into the primary thermal treatment unit into a completely oxygen deficient environment.

2. Discharge System

Knife gate airlock valves, discharge cooling incline conveyor. More InfoThe residual solids are cleaned to the customer's requested standard, typically determined by regulatory requirements. Residual solids are usually cleaned to less than 1000 H.C. PPM for refinery waste applications and 5000 H.C. PPM for drill cuttings. Residual solids leave the process chamber and are discharged into a solids cooling conveyor. This cooling conveyor is typically a hydration screw utilizing atomized water to cool the solids before being discharged.

3. Primary Thermal Desorption Unit

Indirect fired stainless steel rotary kiln with combustion chamber, gas or oil fired burners, gear drive powered by an electric motor. More InfoThis indirect fired rotary dryer has multiple zones, each with independent temperature controls. The drum is heated on the outside in order to maintain the integrity of the feed. Heat is transferred into the feed through conduction as the material is conveyed through the drum. The kiln operates in an oxygen deficient and slightly negative atmosphere. As the feed is heated, hydrocarbons, devolatized from the feed, are pulled out of the system in a counter-current direction to the material flow.

4. First Stage Oil Condenser

Oil condenser with tank, spray nozzle, cooling loop More InfoVapors from the thermal processor pass through an oil condenser. The oil condenser removes most hydrocarbons in the vapor stream. This recovered oil is cooled and pumped to the client's supplied storage tanks.

5. Second Stage Water Condenser

Water condenser with tank, spray nozzle, air cooled heat exchangers. More InfoAfter passing through the oil condenser, the vapor stream typically contains water vapor and very light hydrocarbons. This vapor is passed through a second stage water condenser in order to knock out water and other condensables

6. Oil Water Separator

Steel construction with float level. More InfoThe condensate from the second stage water condenser is pumped through a cooling loop and into an oil water separator, where residual oils are removed from the water.

7. Polishing Condenser

Mist eliminator and condenser with tank.

8. Thermal Oxidizer

Gas or oil fired burners and induced draft fan. More InfoThe non-condensable gases are pulled from the second stage by an induced draft fan and pushed into the thermal oxidizer.

Process Flow Diagram


Improve Your Tank Bottom Remediation Process

Learn more about how to recover the diesel or oil in a way which maximizes the resaleabiliy or use as a fuel. 

Benefits of the Vulcan® Drying Systems Tank Bottom Remediation System

About the Agriculture Industry

The agriculture industry faces the significant challenge of feeding an ever-expanding global population from finite or dwindling resources such as water, pasture and cropland.

Because of the challenges, effective storage and transportation of food materials is important to industry profitability and general conservation of resources. There is a growing trend toward sustainable energy and a need for effective drying to prevent perishability and lower storage and transportation costs.

Additionally, food and beverage by-products or waste products are being treated and pasteurized to create animal feeds or converted to fertilizer.

Vulcan® Drying Systems Dryers are purpose-built to dry grains, cereals, switchgrass, animal feed, alfalfa, and numerous other materials for easier and more cost-effective storage and transportation. Animal manure can also be dried and processed as a source of renewable energy and for use in feed and as a fertilizer. Our experienced team will work with you to create a solution perfectly suited to your project, location, and budget.

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