Notes
Slide Show
Outline
1
Enviro Voraxial Technology

Voraxial Separator for Separation of Oil and Solids From Produced Water
2
EVTN – Enviro Voraxial Technology
  • Originally known as “Florida Precision Aerospace”
  • Precision machine shop for aerospace industry – NASA
    • Manufactured various parts, gyroscopes for satellites & even the Hubble Space Telescope
  • Headquarters:  Fort Lauderdale, Florida USA
3
Voraxial® Separator
  • A continuous flow turbo machine capable of separating Liquid/Liquid, Liquid/Solid, Liquid/Liquid/Solid Mixtures


  • Rotor assembly creates a vortex with the heavier materials drawn to the outside of the vortex and the lighter elements forming the core of the vortex


  • A specially designed manifold is utilized to collect the separated streams
4
Voraxial® Separation Principle
5
“Live” Voraxial 8000 Vortex
6
Produced Water Results
7
Voraxial Separator Benefits
  • No Pressure Drop – provides a pressure increase
  • High “G” force
  • Separation of 3 components simultaneously
  • High flow, small footprint
  • Treats a wide range of flows, even slugging flows
  • High performance over a wide concentration range
  • High performance over a wide flow range
  • Low shear impeller – oils are not emulsified
  • Non-clogging – open impeller
  • Variable speeds to optimize separation
  • Scaleable
8
Voraxial Separator is Scalable
  •                   The Voraxial Separator models
    • Model                   Diameter      Typical GPM
    • Voraxial 1000         1”     1 - 5     Voraxial 2000          2”          15 - 60
    • Voraxial 4000        4”        100 - 500
    • Voraxial 8000            8”      1,000 - 3,500
9
Voraxial 4000 Separator
10
Voraxial 8000 Separator
11
Benefits of Technology Improvement
12
“G” Forces
13
Technology Comparison
14
Analytical Evaluations
    • Voraxial Model
    • Impeller Speed
    • Temperature
    • Primary Fluid Specific Gravity
    • Primary Fluid Viscosity
    • Particle/Droplet Specific Gravity
    • Particle/Droplet Diameter
15
Multiple Applications for Voraxial
  • Stand-Alone Unit
      • or
  • Complete Solution to Achieve the Customer’s Specific Requirements
  •         or
  • Pretreatment to Existing Separation Equipment for Bulk Oil and Solids Removal
16
Voraxial 4000 Separator Offshore
17
Voraxial 4000 Separator Offshore
18
Voraxial 4000 Separator Offshore
19
Voraxial 2000 Skid
20
Complete Solution to <10ppm Oil
  • Voraxial Produced Water Skids
  • First stage Voraxial for bulk oil and solids separation
    • Typically removes 50% to 90% of the oil depending on the droplet size, emulsions, etc.
  • Second stage is the Coalescer
    • Coalesces small droplets of <5microns to larger droplets for improves separation – see previous graph
  • Third stage is the second Voraxial to remove most of the remaining oil
    • Typically outlet from second Voraxial is 20 to 30ppm oil or less
  • Fourth stage polishing
    • Solids filter followed by media to remove oil to <10ppm
21
Skid Performance
22
Skid Results
23
Additional Results
  • Performance not affected by changes in flow over a range of 2 to 1


  • Performance not affected by influent concentrations over a range of approximately 17 to 1
24
Polishing System
Removes the final few ppm to meet <10ppm oil
  • Media in filter cartridges or supplied as bulk media
  • Removes 1 to 1.5 kg of oil per kg of media
  • Removes fine droplets and emulsified oil
  • Top to bottom flow or from outside to inside
25
Polishing, Option 2
  • Chemical injection on outlet of coalescer can be used
  • Usually cationic water clarifier
  • Approximate equivalent annual cost to solid media
    • $50 to $100k/yr chemical consumption


26
"Flexible design to provide only..."
  • Flexible design to provide only what is needed for each application
    • Polishing is not always needed
    • Solids separation is not always needed
  • Does not necessarily need to be a skid
    • Components can be shipped individually
  • Individual units can be used to replace CPI or other separators
    • Used in front of IGF or Hydrocyclones to remove solids and bulk oil
    • Eliminates surges and improves performance of existing equipment
  • Polishing systems available
    • Media installed in filters or supplied as bulk
27
Testing with
Gas Slugging
  • Voraxial 2000 Skid


  • Oil concentration varies from 0.5% to 2%


  • Solids concentration - nominal


  • Gas slugging up to 100% without any interference to separation performance


  • No effect on Separation Performance
28
Project Skimmer With Oil

  • Voraxial 1000 Separator


  • Oil Skimmer located in pond to skim oil


  • Voraxial connected to Skimmer.


  • Oil is collected; water discharged back into pond


29
Oil field Applications
  • Produced Water - Offshore and Onshore
  • Transocean Deckwater Drainage System
  • 2-way and 3-Way Separation
  • Tar Sands Applications
  • Refinery Industry Pre and Post Treatment for API Separator.
  • Pipeline De-Commissioning
  • Pre-treatment to IGF, DGF, Hydrocyclone, etc…
  • Bulk Separation, Including Liquid/Liquid, Liquid/Solid and Liquid/Liquid/Solid
30
Summary

    • No Pressure Drop
    • Produces a high “G” force
    • Flexible
    • Has high separation efficiency
    • Has higher reliability, lower maintenance
    • Has a lower energy consumption per flow rate
    • Performance not affected by flow over wide range
    • Performance not affected by concentration over a wide range
    • Separates 4 components simultaneously




31