Processes for the production of a product by the enzymatic treatment of a soluble or particulate substrate with a particulate, immobilized enzyme, by treating a process liquor containing the substrate in a bioreactor to produce a slurry of effluent immobilized enzyme and the product in an effluent liquor. Loading and unloading of the cutter is done quickly by having a reduced cross section near one end of the rod. The USBflash controller is configured to provide USB functionality and compatibility alone along with common flash operations such as programming reading and erasing the above mentioned components.