ZERO ENTRY SEDIMENT REMOVAL FROM STORAGE TANKS

A mobile tank cleaning apparatus (10) for sediment removal from a hazardous-storage tank, comprising:a road vehicle (15) having an integrated lifting means (20) , a multiple-section vacuum tanker (35), and a unit (25), the unit comprising a controlled environment operator workstation and a robotic cleaner,wherein the unit is a movable on and off the road vehicle; andwherein the multiple-section vacuum tanker comprises at least a volume-variable cleaning fluid reservoir section and a volume-variable sediment-storage section and a moveable piston, wherein the volume of the cleaning fluid reservoir section and the volume of the sediment-storage section can be altered by moving the piston.