P8404 Solar Pasteurizer Progress: Week 2 Ben Johns Brian Moses Greg Tauer Seby Kottackal Adam Yeager

Pasteurization Heat Destroys Bacteria By heating a liquid to a temperature below boiling, the bacteria can be destroyed. Cans and Bottles Traditionally, in the US, the beer in cans and bottles is pasteurized. The pasteurization process often occurs after the beer has been placed in the can or bottle and the package has been sealed. The process involves running the package through a hot water spray for two to three minutes. (Micro-Matic Brewing Equipment)

Customer Needs 2 Groups: EPA Environmentally Friendly Distributable Tamper resistant Solar End Users (Venezuela) Safely Pasteurize enough H2O Cheap Easy to: Use Assemble/Set Up Maintain Safe Long life

Needs  Metrics Spec Number Customer Need Number MetricImportanceUnit of Measure Marginal Value Ideal Value 11Safety Zone9Binary11 21Kill Rate9 percentage killed99%99.90% 31Pasteurize water3l / day Production Cost (materials)9Dollars Production Cost (labor)1Hours83 62Maintenance Cost (Materials)3Dollars51 73a,3bMaximum set up time from shipping state1Minutes155 83cThermal cycles between maintenance3Days Highest External Temp1Degree C Corrosion Resistant9Binary11 115Clog Resistant9Binary11 126Percentage of dry mass recyclable/reusable3% Fit standard shipping pallet1Binary01 148Tamper resistant3Binary01 151Operating Temperature of pasteurization3Degree C Time to reach operating temperature3Minutes18060

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