Data Processing

Processing:
Regular Paper
  1. Given: Total sheets of paper Garland High School = 1, 180, 000 sheets
200,000 sheets of paper = 1 ton
    Unknown: Number of tons of paper GHS uses per year
    Equation: x tons1, 180, 000 sheets=1 ton200,000 sheets
    Solve: 5.9 tons = 6 tons per year
  1. Given: Number of tons of paper GHS uses = 5.9 tons per year
Energy needed to produce 1 ton of paper = 11, 134 kWh
Unknown: Energy needed to produce the amount of paper GHS uses per year
Equation: x kWh5.9 tons=11, 134 kWh1 ton
Solve: 65690.6 kWh = 66000 kWh per year
  1. Given: Number of tons of paper GHS uses = 5.9 tons per year
Solid Waste output in production of 1 ton of paper = 2278 lb.
Unknown: Solid Waste output in production of paper GHS uses
Equation: x lb5.9 tons=2278 lb.1 ton
Solve: 13440.2 lb. = 13000 lb.
    Unknown: SI CONVERSION (lb. to kg)
    Equation: 13440.2 lbx kg=1 lb.0.453592 kg
    Solve: 6096.367198 kg =6100 kg per year
  1. Given: Number of tons of paper GHS uses = 5.9 tons per year
Greenhouse Gases output in production of 1 ton of paper = 5690 lb.
Unknown: Greenhouse output in production of paper GHS uses
Equation: x lb.5.9 tons=5690 lb.1 ton
Solve: 33571 lb. = 34000 lb.
    Unknown: SI CONVERSION (lb. to kg)
    Equation: 33571 lbx kg=1 lb.0.453592 kg
    Solve: 15227.53703 kg =15000 kg per year
  1. Given: Number of tons of paper GHS uses = 5.9 tons per year
Water Waste output in production of 1 ton of paper = 19075 gallons
Unknown: Water Waste output in production of paper GHS uses
Equation: x gallons5.9 tons=19075 gallons1 ton
Solve: 112, 542.5 = 110,000 gallons per year
    Unknown: SI CONVERSION (gallons to L)
    Equation: 112, 542.5 gallonsx L=1 gallon3.85741 L
    Solve: 426,019 L =430, 000 L per year
  1. Given: Number of tons of paper GHS uses = 5.9 tons per year
Trees needed for 1 ton of paper = 24 trees
    Unknown: Trees needed to produce paper GHS uses
    Equation: 5.9 tonsx trees=1 ton24 trees
    Solve: 141. 6 trees = 142 trees per year
Recycled Paper
Initial Givens:
  • 3000-4000 kWh less energy than regular paper per 1 ton of paper
  • 5000 gallons more water waste than regular paper per 1 ton of paper
  • 73% less greenhouse gas emissions than regular paper per 1 ton of paper
  • 17 less trees than regular paper per 1 ton of paper
  1. Given: Energy needed to produce the amount of paper GHS uses = 65690.6
kWh per year
Average Number of how much less energy needed to produce recycled paper than regular paper per ton: 3500 kWh
    Unknown: Energy needed to produce the amount of paper GHS uses in terms     of recycled paper
Equation: (Energy needed to produce the amount of paper GHS uses) – (Tons of paper GHS uses * Average number of how much less energy needed to produce recycled paper per ton)
Solve = 65690.6 kWh – (5.9 tons * 3500 kWh/ton)
     45040.6 kWh = 45000 kWh per year
  1. Given: Water Waste output in production of paper GHS uses = 112, 542.5
gallons = 426,019 L per year
Gallons of Water needed to make recycled paper per ton = 5000+ gallons than regular paper
Unknown: Water waste production due to amount of paper GHS uses in terms     of recycled paper
Equation: (Water Waste output in production of paper GHS uses) + (Tons of paper GHS uses * Gallons of Water needed to make recycled paper per ton)
Solve = 112, 542.5 gallons +(5.9 tons * 5000 gallons/ton)
     142,042.5 = 140,000 gallons per year
    Unknown: SI CONVERSION (gallons to L)
    Equation:142,042.5 gallonsx L=1 gallon3.85741 L
    Solve: 547916.1599 L =550,000 L per year
  1. Given: Greenhouse Gases output due production of paper GHS uses = 33571
lb. = 15227.53703 kg per year
Greenhouse Gases output due to production of recycled paper per ton = 73% less than regular paper
    Unknown: Water waste production of paper GHS uses in terms     of recycled
paper
Equation: (Greenhouse Gases output due production of paper GHS uses) - (Tons of paper GHS uses * Greenhouse Gases output due to production of recycled paper per ton)
Solve = 33571 lb. +(5.9 tons * 0.73/ton)
    9064.17 = 9100 lbs per year
    Unknown: SI CONVERSION (gallons to L)
    Equation:9064.17 lbx kg=1 kg0.453592 kg
    Solve: 4111.434999 kg =4100 kg per year
  1. Given: Trees needed to produce paper GHS uses= 141.6 trees per year
Number of trees to produce recycled paper per ton = 17 less trees than regular paper
Unknown: Trees needed to produce paper GHS uses in terms of recycled paper
Equation:  (Trees needed to produce paper GHS uses)-(Tons of paper GHS uses * Number of trees to produce recycled paper per ton)
    Solve: (141.6 trees) – (5.9 tons * 17 trees/tons)
    = 41.3 trees = 42 trees per year
Electronic Devices (Laptop)
Initial Givens:
  • 836.11-1205.56 kWh is the energy needed to produce 1 laptop.
  • 500-594 lb. of greenhouse gases to produce 1 laptop.
  • 0.015-0.060 kWh to run 1 laptop.
  • 2714 students and teachers at GHS
  • School hours: 8 hours/day; School days per year: 180 days
  • Texas high schools: 1,721 (2010); US high schools: 24, 348 (2009)
  1. Given: Energy needed to produce 1 laptop= 836.11-1205.56 kWh
    Unknown: Average energy to produce 1 laptop
Equation: energymax+energymin2
Solve = 836.11 kWh +1205.56 kWh2
    = 1020.835 kWh = 1020 kWh


  1. Given: Amount of greenhouse gases needed to produce 1 laptop= 500-594 lb
    Unknown: Average amount of greenhouse gases to produce 1 laptop
Equation: greenhouse gasmax+greenhouse gasmin2
Solve = 500 lb.  + 594 lb.2
        = 547 lb = 550 lb
Unknown: SI CONVERSION (lb. to kg)
    Equation: 547 lbx kg=1 lb.0.453592 kg
    Solve: 248.114824 kg =250 kg
  1. Given: Energy needed to run 1 laptop= 0.015-0.060 kWh   
Unknown: Average energy to run 1 laptop  per 1 hour
Equation: energymax+energymin2
Solve = 0.015 kWh +0.060 kWh2
    = 0.0375 kWh = 0.038 kWh
  1. Given: Average energy to run 1 laptop per 1 hour = 0.0375 kWh   
Number of people at GHS = 2714
Unknown: Energy needed to run laptops for GHS in 1 hour
Equation: Number of people at GHS* Average energy to run 1 laptop
Solve = 2714* 0.0375 kWh
    = 101.775 kWh = 102 kWh
  1. Given: Energy needed to run laptops for GHS in 1 hour = 101.775 kWh   
School hours: 8 hours/day; School days per year: 180 days
Unknown: Energy needed to run laptops for GHS in one year
Equation: Energy at GHS1 hourx8 hours1 dayx180 days1 year
Solve = 101.775 kWh1 hourx8 hours1 dayx180 days1 year
    = 146, 556 kWh = 150,000 kWh per year



Application to Texas and US
Regular Paper
  1. Given: Energy needed to produce the amount of paper GHS uses = 65690.6 kWh per year
Texas high schools: 1,721 (2010); US high schools: 24, 348 (2009)
Unknown: Energy needed to needed to produce the amount of paper for high schools in Texas and in US in one year*
*Considering every high school is like GHS
Equation: Texas: (Energy needed to produce the amount of paper GHS uses) * (Texas high schools)
          US: (Energy needed to produce the amount of paper GHS uses) * (US high schools)
Solve: Texas: 65690.6 kWh per year* 1721 high schools = 113,053,522.6 kWh =110,000,000 kWh per year
US: 65690.6 kWh per year* 24,348 high schools=1,599,434,729 kWh= 1.6 billion kWh per year
Recycled Paper
  1. Given: Energy needed to produce the amount of paper GHS uses in terms of recycled paper = 45040.6 kWh per year
Texas high schools: 1,721 (2010); US high schools: 24, 348 (2009)
Unknown: Energy needed to needed to produce the amount of paper for high schools in Texas and in US in one year*
*Considering every high school is like GHS
Equation: Texas: (Energy needed to produce the amount of paper GHS uses in terms of recycled paper) * (Texas high schools)
          US: (Energy needed to produce the amount of paper GHS uses in terms of recycled paper) * (US high schools)
Solve: Texas: 45040.6 kWh per year* 1721 high schools = 77,514,872.6 kWh =110,000,000 kWh per year
US: 45040.6 kWh per year* 24,348 high schools=1,096,648,529 kWh= 1.1 billion kWh per year

Digital
  1. Given: Energy needed to run laptops for GHS in one year = 146, 556 kWh per  
year
Texas high schools: 1,721 (2010); US high schools: 24, 348 (2009)
Unknown: Energy needed to run laptops for high schools in Texas and in US in one year*
*Considering every high school is like GHS
Equation: Texas: (Energy needed to run laptops for GHS in one year) * (Texas high schools)
          US: (Energy needed to run laptops for GHS in one year) * (US high schools)
Solve: Texas: 146, 556 kWh per year * 1721 high schools = 252,222,876 kWh =250,000,000 kWh per year
US: 146, 556 kWh per year* 24,348 high schools=3,568,345,488 kWh= 3.6 billion kWh per year
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