Ultrastore membrane gasholders from Ovivo USA are used to store the biogas generated from anaerobic digesters. The dual membrane gasholder consists of a pressurized external air membrane and an inner gas membrane, which are fabricated from basket weave polyester fabrics and sized to accommodate various volumes of biogas. They are available for installation in two configurations — on a new or existing tank as a gasholder or on a concrete slab for expanded gas storage. They can be used when space is an issue and a plant wants to increase gas storage capacity. 801/931-3000; www.ovivowater.com.


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