Opportunities for value addition to selected Western Cape organic waste streams

This report by GreenCape identifies business opportunities for value addition from industrial organic wastewater in the Western Cape, South Africa. It highlights the potential for recovering resources like biogas, starch, and whey from the agro-processing sector, while noting significant barriers related to wastewater volumes and capital requirements.

• The agro-processing sector is a primary producer of organic wastewater in South Africa, with annual production estimates including 3,200 ML of milk, 704 ML of beer, and 120 ML of effluent from the soft drink industry.
• Value addition adoption is very low in the Western Cape, with technology suppliers estimating that only 1% of companies with organic wastewaters have implemented such solutions.
• Common value-addition outcomes include the generation of biogas (often used onsite for heating boilers), as well as the recovery of whey, white starch, and composting material.
• A significant barrier in the Western Cape is that most industrial companies produce less than 0.5 ML/D of effluent, whereas a strong business case typically requires volumes exceeding 1ML/D.
• Specific industrial examples of value addition include Simba PepsiCo recovering white starch for pharmaceutical use, Parmalat recovering whey for nutritional supplements, and Rupert & Rothschild producing a composting product for vineyard soil conditioning.
• Regulatory and economic pressures are driving resource recovery, including stricter effluent discharge standards and the Stellenbosch Municipality's potential 30-40% tariff increase for non-compliant effluent.
• Beyond the Western Cape, significant opportunities exist in Gauteng and KwaZulu-Natal due to their large agro-processing sectors, and in the Eastern Cape, where Woodlands Dairy invested R60 million in a water recycling plant producing 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} }