Appendix A: Stakeholder list

HW 07 – Waste oils

Waste oils include diesel oil, fuel oil, heating oil, gas oil, hydraulic oil, lubricating oil, oil from oil and petrol traps, heat transmission oils (no PCB) etc. Waste oil typically originates from the crankcase of internal combustion engines (mainly run on petrol or diesel). Used oil or waste oil is also produced and collected from other operating equipment and includes products such as hydraulic oils, gear and transmission oils. It is not recommended that used oils from transformers and switchgear be mixed with other waste oils.

Waste oils is a complex mixture of paraffinic, naphthenic and aromatic petroleum hydrocarbons that may contain one or more of the following: carbon deposits, sludge, aromatic and non-aromatic solvents, water (as a water-in-oil emulsion), glycols, wear metals and metallic salts, silicon-based antifoaming compounds, fuels, polycyclic aromatic hydrocarbons (PCAH’s) and miscellaneous lubricating oil additive materials. In the unlikely event that used transformer oils are mixed with other waste oil then polychlorinated biphenyls and terpenyls (PCB’s/PCT’s) may also be present (www.rosefoundation.org.za).
Based on the US system, about 50% of oil becomes waste oil. In SA it is estimated at between 40-45% - because of losses from old vehicles and oil leaks (Lochan, 2011). This is not an exact science. It is estimated that about 270 million litres of new oil enters the South African market annually and about 120 million litres of used oil becomes collectable (Lochan, 2011).
Waste oil is collected and treated by the ROSE foundation in South Africa.
Several treatment processes are used in South Africa:

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  Mechanical separation of contaminants by filtration and centrifuging
  
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  Chemical separation to remove unwanted components
  
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  Thermal refining to improve the quality of the fuel.
  

Approved Processors of waste oil in South Africa are:

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  Oil Separation Solutions Sales & Services (Pty) Ltd, Germiston
  
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  BME, Delmas
  
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  PPC Lime Limited, Limeacres
  
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  The Old Oil Man, Krugersdorp
  
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  FFS Refiners (Pty) Ltd, Durban, Pietermaritzburg, Cape Town, Johannesburg
  
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  Green Mamba Oil Refinery, Centurion
  
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  Kudu Oils, Nelspruit
  
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  Enfields Chemicals CC, Durban
  
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  Gecco Fuels, Cape Town