Opportunities for value addition to selected Western Cape organic waste streams

The report identifies a significant gap in the adoption of value-addition technologies for industrial organic wastewater in the Western Cape, noting that only 1% of companies have implemented such solutions. While biogas generation is the most common application, other recovered resources include white starch, whey, and composting materials. Key barriers to adoption include high capital requirements, lack of awareness, and the fact that many Western Cape companies produce wastewater volumes below the 1ML/D threshold typically required for a viable business case. The document highlights specific companies already implementing these solutions, such as Simba PepsiCo and Parmalat, and identifies potential partners and technology providers within South Africa.

• Adoption of value-addition solutions for organic wastewater is very low in the Western Cape, with technology suppliers estimating that only 1% of companies have implemented such a solution.
• The most frequent use of organic wastewater for value addition is the production of biogas, which is typically used on-site for energy needs like heating boilers. Other recovered materials include white starch, whey, and composting material.
• A significant business barrier in the Western Cape is that most industrial companies produce less than 0.5 ML/D of effluent, whereas technology providers suggest a volume of more than 1ML/D is generally needed for a strong business case.
• Several South African companies have successfully implemented resource recovery: Simba PepsiCo recovers white starch for pharmaceutical use, Parmalat recovers whey for nutritional supplements, and Rupert & Rothschild produces a composting product for vineyard soil conditioning.
• The primary drivers for adopting wastewater value addition are cost savings, corporate social responsibility, and the need to treat effluent to meet compliance standards.
• Regulatory pressures are increasing, with the City of Cape Town exploring direct water reuse and the Stellenbosch Municipality considering a new effluent discharge tariff that could increase costs by 30-40% for non-compliant users.
• Beyond the Western Cape, significant opportunities for organic wastewater value addition exist in Gauteng and KwaZulu-Natal. In the Eastern Cape, Woodlands Dairy invested R60 million in a water recycling plant that produces biogas.

APA

Fundikwa, B. (2017). Opportunities for value addition to selected Western Cape organic waste streams. GreenCape. https://greencape.co.za/assets/Uploads/BioValSA-Wastewater-Opp.pdf

Chicago

Fundikwa, Bridget. Opportunities for value addition to selected Western Cape organic waste streams. GreenCape, 2017. https://greencape.co.za/assets/Uploads/BioValSA-Wastewater-Opp.pdf.

Wikipedia

{{cite report |last1=Fundikwa |first1=Bridget |title=Opportunities for value addition to selected Western Cape organic waste streams |publisher=GreenCape |date=July 2017 |url=https://greencape.co.za/assets/Uploads/BioValSA-Wastewater-Opp.pdf |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{fundikwa2017opportunities, author = {Fundikwa, Bridget}, title = {{Opportunities for value addition to selected Western Cape organic waste streams}}, institution = {GreenCape}, year = {2017}, month = jul, url = {https://greencape.co.za/assets/Uploads/BioValSA-Wastewater-Opp.pdf}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }