Evaporative CrystallizerBVV Evaporative Crystallizer The BVV Evaporative Crystallizer is a simple, cost effective crystallization solution that utilizes the unique properties of butane to rapidly produce high purity crystalline isolates without the use of expensive mixers or chillers. With a 5 kilogram batch size and a 30 45 minute run time, the BVV Evaporative Crystallizer punches above its price tag, offering modestly high throughput with the capability of producing 100%