Welcome to Cwenga Technologies

Cwenga is the Southern African distributor for Lanxess (Lewatit resins, Lewabrane RO membranes, Bayoxide), and Chemviron activated carbon. 

These two agencies offer world class quality and technical abilities which include regular visits of their sales staff and management to South Africa. This allows Cwenga and our customers the opportunity to be informed of new developments and technologies in the market. .

Industry News

Keep up to date with the latest in the water purification and engineering industry with the latest news from Cwenga Technologies
Win at the SCI 2025 Innovation and Sustainability awards

Jun 02 , 2025

Jenny Falconer and Nsubili Isaga represented the (More) Women in Research - for their work in gender equality in research at the SCI awards dinner at the Palace of Westminster in London last Month. 

Congratulations Mantsha

Apr 29 , 2025

Mantsha Mathibela graduated last week with her Advanced Diploma in analytical chemistry from Tshwane University Of Technology. We are so proud of her here at Cwenga, for balancing a hard year of studies, a growing applications laboratory, interns, and getting to grips with the complications of implementing ISO.

ISO Certification

Jan 28 , 2025

We are proud to say that we have achieved our ISO certification.

Lithium-ion battery recycling with Cwenga Lib

Aug 27 , 2024

Cwenga Lib has developed a Lithium-ion battery recycling process over the last 2 years that utilised food grade and environmentally friendly reagents at ambient temperature to reduce the electrical energy inputs that are associated with costly pyrometallurgical processed. The intention is to recover and separate the metals within the batteries to a quality where they can re-enter the market as raw materials thus completing the circular economy.

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Cwenga offers world class products with local knowledge and expertise.Cwenga TechnologiesSouth Africa