AST is the only Portuguese manufacturer of mobile plants for leachate treatment by Reverse Osmosis (RO). AST applies mainly mobile RO technology, regarding costs reduction and simplicity, using sea containers or trailers, with a treatment capacity that varies from 30 to 200 m3/day per plant. AST RO technology is a high-tech solution with minimized operation and maintenance costs. AST can provide to the clients services of technical assistance, control, monitoring and maintenance with supply of spare parts and chemicals.