Carbon dioxide has many industrial uses including food and beverage, fire extinguishers, pharmaceuticals, and research. Instead...
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Carbon dioxide has many industrial uses including food and beverage, fire extinguishers, pharmaceuticals, and research. Instead of allowing the carbon dioxide produced from beer fermentation to be released to the atmosphere, it can be captured and pressurized and stored as a liquid under pressure. Due to the large density difference between liquid and gaseous carbon dioxide the liquid form is much easier to store and transport for use in other industrial applications. One large scale fermentation tank holds about 15,850 gallons (600 hL) of beer during the fermentation process, which lasts about 3 weeks on average. On average, 0.41 kg of carbon dioxide is produced for every liter of beer. You are tasked with determining the production rate for filling carbon dioxide cylinders (cylinders/h) for one fermenter. Since the carbon dioxide is produced as an off gas, you need to determine: a. The volumetric flow rate (L/h) that will feed the compressor/cooling/distillation system that will liquify the carbon dioxide and enable filling the gas which holds 50 lbs. net weight of liquid carbon dioxide. The fermentation process operates at 20°C and 1 Atm and the density of liquid carbon dioxide is about 0.827 g/ml. b. The number of cylinders that can be filled per hour while the fermentation process is running. Carbon dioxide has many industrial uses including food and beverage, fire extinguishers, pharmaceuticals, and research. Instead of allowing the carbon dioxide produced from beer fermentation to be released to the atmosphere, it can be captured and pressurized and stored as a liquid under pressure. Due to the large density difference between liquid and gaseous carbon dioxide the liquid form is much easier to store and transport for use in other industrial applications. One large scale fermentation tank holds about 15,850 gallons (600 hL) of beer during the fermentation process, which lasts about 3 weeks on average. On average, 0.41 kg of carbon dioxide is produced for every liter of beer. You are tasked with determining the production rate for filling carbon dioxide cylinders (cylinders/h) for one fermenter. Since the carbon dioxide is produced as an off gas, you need to determine: a. The volumetric flow rate (L/h) that will feed the compressor/cooling/distillation system that will liquify the carbon dioxide and enable filling the gas which holds 50 lbs. net weight of liquid carbon dioxide. The fermentation process operates at 20°C and 1 Atm and the density of liquid carbon dioxide is about 0.827 g/ml. b. The number of cylinders that can be filled per hour while the fermentation process is running.
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