Plymouth Central Sewage Treatment Works Location: Plymouth, United Kingdom Country: United Kingdom Project Type: Civil / Infrastructure Project Scale: 0 – 5,000 m² Interserve chose AQURON 2000 colloidal silica hydrogel treatment as an Additional Protection Measure to mitigate the ingress of corrosive chemicals into this critical concrete structure. Concrete Products & Solutions used. These related products and concrete solutions were used to protect the concrete of this project. AQURON 2000 | SPRAY-ON Let us keep you Updated. Subscribe to MAKING CONCRETE BETTER email updates to receive our latest content, plus news and views from the world of concrete. Subscribe