B Biobulk CSTR The Biobulk CSTR technology (Completely Stirred Tank Reactor) is a robust and proven process which treats industrial effluents with significantly high amounts of suspended solids. It is the anaerobic equivalent to the conventional activated sludge digestion system. Anaerobic Wastewater Treatment M METCLEAN™ A patented process capable of removing heavy metals (arsenic, cadmium, lead, zinc, nickel, iron, manganese, arsenic, uranium etc.) from different types of water, including industrial wastewaters. Adsorption