Claro has over 35 years of experience in the development of innovative municipal anaerobic digestion technologies & the design and implementation of complete AD systems. Hundreds of facilities have our designs at the heart of their anaerobic digestion processes. Claro systems serve smaller City populations of 15,000 to major metropolitan centers with populations of several million – all are important to us.

Our focus is on ultra-energy efficient, safe & hygienic designs that convert waste into useable biogas for the production of heat or electricity and the reduction of sludge disposal volumes. Our systems have delivered excellent process performance results and have exceptional maintenance histories.

Claro is a technology developer & equipment/system provider. We are involved in overall system design, commissioning, & aftersales support, including controls, installation supervision, system optimization & operator training. As an integral part of this role, Claro provides complete anaerobic digestion system designs to clients & consulting engineers including sizing & overall sizing recommendation, P&IDs, mixing performance & tank turnover calculation data, digester heat loss calculations, heat exchanger design, advice on sludge & hydronic piping/pumps, biogas handling piping & safety equipment design, sample specifications, & Acad layout drawings. Our senior engineering staff offers a flexibility of approach that balances existing methods with a proven track record of innovation and project specific solutions.

Big Bubble Mixers in 33.5 m (110 ft) Dia. Digester Tank

Big Bubble Mixers in 33.5 m (110 ft)_ Dia. Digester Tank

ModuTube™ Sludge Heat Exchanger

Digester Tanks / Covers – Concrete & Steel

Biogas Holder – Self-Standing & Tank Roof Mount

Propeller Mixer – Tank Center & Vertical Config.

We welcome your enquiries. For more information, please contact us at