A Amdro™ Amdro™ is a patented technology for desalination of acidic wastewater with high concentrations of metals and calcium salts. Membrane Filtration - reverse osmosis H Hydrotech™ Disc Filters Hydrotech™ mechanical and self-cleaning Disc filters provide reliable suspended solids removal for municipal effluent polishing and industrial water reuse. Filtration M Multiflo™ Multiflo™ is a clarification process technology that covers a wide variety of applications. Adsorption - Extraction