econ industries services GmbH

- Vacuum Distillation Unit For Refinery And Drilling Waste


Applications and design, Process: Indirect Heated Vacuum Thermal Desorption / Vacuum Distillation. Source: Tank cleaning sludge from crude oil tanks. Oil lagoons, oil pits, sedimentation ponds. Solid phase from centrifugation. Drill cuttings, oil based mud (OBM). Contaminated materials from pipeline leakage. Input Material: Sludges with varying viscosities, semi-solids, solids, soils.

  • Evaporating system: Dryer heated with thermal oil, certified for ATEX operation
  • Heating system fired by: Fuel oil, diesel, natural gas, biofuels, recovered mineral oil fraction
  • Evaporation conditions: app. 450 °C boiling point (< 50 mbar absolute pressure at 350 °C)
  • C10-C40 output: Below 1 %, < 0.1 % possible – according to EN 14039
  • Treatable by-products: VOC, POP, lubricants, water, mercury
  • Plant design: Fixed or mobile execution, 0.5 … > 5 t/h throughput capacity
  • Optional: Remoistening, cooling and stabilisation of cleaned solid output

  • Turn-key, skid-mounted mobile or stationary mounted, custom made solutions
  • Defined separation of reusable hydrocarbons by gradual heating
  • Utilisation of recovered mineral oil fraction for burning inside the thermal oil unit
  • Highest operational availability due to self-cleaning dryer
  • Highest quality of recovered oil due to indirect heating under vacuum, no cracking processes
  • Reuse of the condensed, clean water for the re-moistening of treated mineral solid output
  • Emission and dust free system by encapsulated treatment of exhaust vapours and solids
  • Optional engineering service for mechanical pretreatment by centrifugation
  • econ VacuDry system meets fully EN health&safety and environmental standards

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