South Africa has been under water constraints for years because of water wastage, increased water demand and drought so there is a need to stabilise our water with an emphasis on re-using water. A first-of-its-kind remix plant has been built at the eThekwini wastewater treatment works in Durban to establish the advantages of remix technology and the feasibility of large-scale implementation, and Sika South Africa products were crucial to the project.
Stefanutti Stocks Coastal, an engineering construction contractor, undertook the task of constructing the remix plant, a 6.25Ml/d water treatment facility using a remix system by Hitachi, a digital solutions conglomerate. The system uses direct potable re-use water and combines it with desalinated seawater with the aim of accomplishing 30% energy saving compared to existing desalination systems.
Sika products protecting the system
The walls and floors of the bund, a containment structure around an area where hazardous liquids are stored, and the main holding tank were:
• Primed using Sikafloor* – 161 primer
• Coated with Sikafloor – 161 Extend -T filling blow holes and imperfections
• Coated with a 3-layer chemical resistant system of Sikagard*- 63N
The main factory floor and storage room floors were:
• Treated with Sikafloor – 161 Primer
• Coated with the 1mm thick Sikafloor – 263 SL self-levelling floor system
All floor joints were:
• Primed with Sika* Primer-3N
• Sealed using Sikaflex* PRO-3 i-cure
Separation tanks were:
• Treated with Sikalastic* 152 as a waterproofing and protection system
For more information, contact Sika:
Tel: 031 792 6500
Website: https://zaf.sika.com
*Sikafloor, Sikagard, Sikaflex, Sika and Sikalastic are Registered Trademarks
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