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African Petrochemicals is South Africa’s leading quarterly print and digital trade magazine for the past 16 years. Featuring all the latest petrochemical industry news, special reports, technological advances and much more.

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South Africa’s used oil re-refining challenges

The used oil industry in South Africa is thriving – out of 243 million litres of new oil sold per annum, 120 million litres is collected for recycling. However, currently only 10% of the used oil collected is re-refined back into base oil, with most being partially processed for fuel oil, to be used in furnaces, kilns and burners.

Meanwhile internationally, there is a significant trend towards re-refining back to base oil with the environmental case carrying weight, as South Africa struggles to transition towards a re-refining model.

The lubricants industry’s recycling organisation, the ROSE Foundation (Recycling Oil Saves The Environment) would ideally like to see South Africa follow in the footsteps of the global movement towards re-refining most used oil collected back to base oil.

ROSE CEO Bubele Nyiba, explains that environmentally re-refining used oil is the ultimate solution, ”Re-refining means less utilization of natural resources; emissions of carcinogenic compounds through re-refining are 15 times lower; there is a very low production of pollutants; CO2 emissions from re-refining are two times lower; and re-refining offers an effective conservation of synthetic base oil compounds.”

Internationally, global warming and environmental pollution has intensified awareness of the need to recycle resources and to extend the lifespan of manufactured products.

“Coupled with the obvious environmental benefits of re-refining, there are potential economic benefits – South Africa has an over reliance on base-oil imports, which can carry long lead times and are impacted by exchange rates, logistics, weather patterns, port operations etc. All of which make re-refining an appealing choice for us,” says Nyiba.

South Africa’s re-refining challenges
“Unfortunately, even though South Africa needs to move more towards re-refining, the local market is driven on price and it is very expensive to set up a plant to produce high quality re-refined base oil. Installing the re-refining infrastructure runs into the millions and very few businesses can afford an outlay of this magnitude.”

“Coupled with this, are several other factors that inhibit the growth of the re-refining industry: we have a very high demand for burner fuels in South Africa; there are no government incentives supporting re-refining or products made from re-refined base oil; and power costs are high which impacts on the energy intensive processes involved in the generation of hydrogen (via electrolysis) and other re-refining plant operations.”

Nyiba also notes that re-refining facilities need to run 24/7 to be cost effective, and the quantity of used oil currently being collected in South Africa may not guarantee a steady flow to the re-refinery.

“We have world class re-refining plants already operating in South Africa, but even they have to import used oil from neighbouring countries to sustain a steady supply to their plants.  Europe has a very high level of environmental awareness – they label their re-refined base oil with environmental endorsements. Our market is primarily driven on price and re-refined oil needs to compete on price with virgin oil.”

Nyiba explains that the European Union’s Waste Directive strongly favours re-refining over burning for energy recovery. As a result, it is thought that re-refined base oils could meet nearly a quarter of Europe’s base oil demand by 2020. “The international trend of refining the majority of used oil back to base oil is exciting, but unfortunately it is premature for a developing country like South Africa because of the prohibitive cost of the technology and developing the necessary processes.”

“While South Africa may not yet be able to adopt a European approach to used oil, a future imagined sees a focus on a closed loop and circular economy, which will see all used oil, emulsions and used ethylene glycol being collected for processing back into base oils, flux oils and fuel oils, which will be mixed, blended and filled into finished lubricant products for various uses,” concludes Nyiba.

About the ROSE Foundation

The ROSE Foundation (Recycling Oil Saves the Environment) is a national non-profit organization made up of the major lubricating oil producers and distributors  in South Africa.

It was established by the industry in 1994, in response to growing concern around the consumption and recycling of oil and petroleum products worldwide in relation to environmental concerns about environmental pollution. ROSE promotes and encourages the environmentally responsible and legally compliant collection and recycling of used oils and related waste in South Africa, through education, compliance support, audits and incentives. Since its inception, ROSE has received great support from industry stakeholders and has championed the responsible collection of well over 1 billion litres of used oil in South Africa.

The recycling of used lubricant oil in South Africa is a well-established and thriving industry thanks largely to the efforts of the ROSE Foundation and the compliance of licensed collectors and processors across South Africa. Together, they ensure that the collection, transportation, storage, refining, recycling, disposal and utilisation of used oil is managed in a sustainable, ethical, environmentally compliant and responsible manner.

For more information go to: www.rosefoundation.org.za.


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