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Experience Sharing Aquasave water separator

Experience Sharing Aquasave water separator. Presenter: Nigel Marsh, Global Head of Environment, Rolls-Royce plc IAEG meeting @ Cincinnati, OH March 31 – April 4, 2014. Problem Statement.

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Experience Sharing Aquasave water separator

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  1. Experience Sharing Aquasave water separator Presenter: Nigel Marsh, Global Head of Environment, Rolls-Royce plc IAEG meeting @ Cincinnati, OH March 31 – April 4, 2014

  2. Problem Statement • The dye penetrant washed off from non-destructive testing and the waste coolant from machining operations is currently disposed of in IBCs. The IBCs are taken to two bigger tanks (total capacity: 14 m3) and once these tanks are full, the waste contractor pumps out the liquid into tankers to be disposed off-site • However it is estimated that 80% of the liquid mixture is water, hence the majority of the disposal cost is for the disposal of water. Separation of the water from the dye penetrant and cutting fluid could reduce current annual disposal costs (approximately £18k for one production cell alone) substantially 2

  3. Solution • Offerings from several vendors were identified and evaluated for their potential • The ‘Aquasave’ system separates water from emulsified oil and other liquid wastes by evaporation. The evaporated clean water is condensed and discharged via a heat exchanger into a storage tank or IBC, or potentially directly into a drain • The emulsified oils and waste materials are concentrated by the process and discharged into a tank for disposal or treatment • The unit is simple to operate and maintain, is compact and simplifies the associated management of waste liquid storage 3

  4. Benefits • Reduction of the volume of liquid waste both stored and sent for disposal off-site • Reduced disposal costs • Possibility of reusing treated water • Compact device (1.5 m x 1.8 m x 1.3 m) and current storage tank space can be released for other purposes • Heat exchanger reduces the energy consumption of the unit • Simple operation and maintenance • Has application in many other locations 4

  5. Benefits – business case 5

  6. Contacts • For more information contact: • Nigel Marsh, Global Head of Environment, Rolls-Royce • nigel.marsh@rolls-royce.com • +44 (0) 1332 248578 6

  7. Thank you

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