PERSONAL INDUSTRIAL CHEMICAL RESOURCE USE ASSESSMENT # 3 OBJECTIVES: 1. Calculate/estimate the resources that you or your household uses on a daily or yearly basis. 2. Appreciate the fairly large amounts of resources needed to support your life-style. 3. Recognize methods for decreasing your use of resources. INTRODUCTION: In this exercise, you will be introduced to various industrial chemical resources which are used to support the lifestyles that we are accustomed in the United States. As a resource, the data is taken from C & E News, June 26, 1995. You will calculate the amount of industrial chemical resources that you use, based upon the amounts calculated on a per capita basis. The per capita amounts are used indirectly by you because of the manufacturing, industrial, and agricultural activity needed to support society in general. For the per capita calculations, assume that the population of the United States is 250 million. Take whatever figure is given for the entire U. S. and divide by 250 million to get the per capita amount. Table 1. Top Five Inorganic Chemicals Produced in the U.S. 1994 Inorganic Chemical Consumption Per Capita Use in thousands of tons Sulfuric Acid 44,599 Ammonia 18,965 Sodium Hydroxide 12,914 Phosphoric Acid 12,632 Chlorine Gas 12,100 QUES. 1: Find the per capita use in pounds of each of the above five chemicals. Example: Sulfuric acid is listed at 44,599 thousands of tons. To get a ÒnormalÓ number just multiply by 1000 or add three zeroÕs to the end of the number. This gives 44,599,000 or 44.599 million tons. Divide this number by 250 million to get the per capita tons of sulfuric acid (0.178 tons). To change to pounds, use 1 ton = 2000 pounds. Therefore 0.178 tons times 2000 lbs per ton equals 356.8 lbs. QUES. 2: For each of the industrial chemicals listed below, find the per capita use in pounds for 1994. Watch for the change in units to millions of lbs in some of them. Table 2. Industrial Chemicals Produced in the U.S. 1994 Inorganic Chemical Consumption Per Capita Use in thousands of tons Phosphate Rock 45,321 Potash 6,437 Total synthetic rubber 2,099 Total Fertilizer Consumption 22,432 Millions of pounds Total Pesticides 1,152 Polyethylene 23,777 Polystyrene 5,848 Polyvinyl chloride 10,992 Grand total synthetic fibers 9,950 Chlorofluorocarbons - CFC-22 306 QUES. 4: Each person will be assigned two of the following compounds. Use the text book or a Science encyclopedia to find as much as possible of the following information. Synthesis reactions (words or equations), other products made with the compound or uses of the compound, any other interesting details. Write a short report to summarize your findings. Be prepared to share your findings with other classmates on an informal basis. Sulfuric Acid Ammonia Ammonium Nitrate Chlorine gas Hydrochloric Acid Nitric Acid Phosphoric Acid Sodium Hydroxide Super Phosphate (fertilizer) Polyester Polyethylene Polystyrene Polyvinyl chloride Styrene-butadiene rubber Polyamide (Nylon) Herbicides (synthesis not necessary, but give examples with several structures) Insecticides (synthesis not necessary, but give examples with several structures) QUES. 5: Use the following table to find the per capita consumption of the following metals in pounds. Table 3. Metals Produced in the U.S. 1990 Metal Consumption - 1990 Percent Per Capita in thousands of tons from Recycling Lead 1,297 73 Copper 2,168 60 Iron & Steel 99,900 56 Aluminum 5,263 45 Metal Production Inventory - Interesting Facts and Figures Iron- Steel 800 lbs/person/year - 1994 Inputs lbs Waste in lbs Taconite ore 3250 Iron ore Pellets 1188 2062 Blast Furnace Limestone 158 SO2: 2.4 Scrap Iron 40 particulates: 7.7 Coal (coke) 475 CO: 1.0 produces pig iron 792 Basic Oxygen Converter Scrap Iron 396 Metal Alloys 73 produces ingot steel 1109 finished steel 800 Copper: 15 lbs/person/year - 1994 Inputs lbs Waste in lbs Mining Overburden rock: 5412 Copper ore 2266 Mill Copper conc. 45 Tailings: 2176 Water 612 gal Smelter Coal 14 Slag: 27 SO2: 40 Electrolytic Refinery Electricity 30 Kw-hrs Pure copper 15 Aluminum 42 lbs/person/year - 1994 Bauxite ore 183 140 Electricity: 1261 Kw-hr