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Group 6 Investigation 7 Tuesday 830am Essay

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Investigation 7: How Can The Waste Be Made Useful? February 20, 2014 Mian Yang Tuesday 8:30am Group #6 Steven Hengen, Joe Wahl, Colleen Strom, Nicole D Introduction: Chemical interactions can often lead to the production of environmentally unsafe byproducts. If the byproducts have no use, they are disposed as waste. Waste disposal companies make profit by collecting and disposing large amounts of these unused byproducts. These companies often concentrate the byproduct solutions so that they are easier to dispose of. One particular chemical waste disposal company wishes to utilize these concentrated byproduct solutions to create potentially useful solids (Bauer 45). It was the lab group’s goal to design procedures for creating …show more content…

Many ionic compounds can be separated from an aqueous solution in solid form using evaporation and centrifugation techniques. Evaporation results in separation by phase, as a liquid is vaporized, and centrifugation results in separation by weight. Evaporation was used to isolate the insoluble compound sodium sulfate as a solid. Centrifugation was used to isolate the soluble compounds silver chloride, barium sulfate, and zinc hydroxide as solids. To

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