Ethanol Production

Ethanol-ProductionPSX Jet Cookers use ethanol (ethyl alcohol or grain alcohol) that is produced through a liquefaction process whereby a starch is converted to a sugar, which is then converted to an alcohol product and referred to as ethanol. Ethanol production requires a starch (corn, wheat, rye) based feedstock to supply the conversion process. The grain mash must go through a cook process, to raise the slurry’s temperature. In the Primary Liquefaction Stage, slurry is then pumped through a pressurized jet cooker at 221°F (105°C) and held for 5 minutes. The mixture is then cooled by an atmospheric or vacuum flash condenser. After the flash condensation cooling, the mixture is held for 1–2 hours at 180°F – 190°F (82°C -  88°C) to allow the enzymes time to work.

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Corn Wet Mill – Fructose & Corn Syrup

Corn-Wet-Mill--Fructose-Corn-SyrupCorn wet milling is the process of separating the corn kernel into starch, protein, germ and fiber in an aqueous medium prior to fermentation. The primary products of wet milling include starch and starch derived products (e.g. high fructose corn syrup and ethanol), corn oil, corn gluten and corn germ. All agricultural crops and residues contain starch, which is a polymer of glucose, a six-carbon sugar. To produce ethanol from grain, the starch portion of the grain is exposed and mixed with water to form a mash. The mash is heated and enzymes are added to convert the starch into glucose.

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Jet Cooker Starch Liquefaction

Jet-Cooker-Starch-LiquefactionThe OptiShear Jet Cooker is designed for starch cooking, wet mill processing of starch, ethanol production, as well as fructose and alcohol production. ProSonix unique method of direct steam injection utilises internal steam modulation via an integral Pneumatic Actuator and variable position steam plug, to accurately meter the mass flow of steam, through choked flow conditions. Choked flow is the phenomenon of accelerating a vapor to maximum velocity by creating a pressure differential through an engineered opening. By establishing choked flow, the steam mass flow can be metered to precisely control the heating of the liquid. This produces predictable results based on the position of the steam plug. Through a variable-area steam diffuser, steam flow is metered at the point where steam and liquid first contact and mix.

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