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In the Scientific American article on on the Carbon Wedge Framework, wedge #6 is Install CCS at 800 large coal-fired power plants. Use the following assumptions for the question below. Assumptions: • P= 1000 MW (rated power of plant) CF = 65% (plant capacity factor) • CSS Efficiency = 90% (90% of CO₂ emitted is captured and pumped underground) • Cco2 = 210 lbs CO₂/MMBtu (emissions per million BTU primary energy) • e = 35% ( power plant efficiency) • mc/mco2 = 12/44 = 0.27 (ratio of chemical molecular masses) Calculation: • Show with explicit calculations that CSS technology installed at 800 large power plants by the year 2050 could save 1 wedge of carbon (1 billion metric tons of carbon/yr) .

In the Scientific American article on on the Carbon Wedge Framework, wedge #6 is Install CCS at 800 large coal-fired power plants. Use the following assumptions for the question below. Assumptions: • P= 1000 MW (rated power of plant) CF = 65% (plant capacity factor) • CSS Efficiency = 90% (90% of CO₂ emitted is captured and pumped underground) • Cco2 = 210 lbs CO₂/MMBtu (emissions per million BTU primary energy) • e = 35% ( power plant efficiency) • mc/mco2 = 12/44 = 0.27 (ratio of chemical molecular masses) Calculation: • Show with explicit calculations that CSS technology installed at 800 large power plants by the year 2050 could save 1 wedge of carbon (1 billion metric tons of carbon/yr) .

Power System Analysis and Design (MindTap Course List)
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.53P
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POWER GE 5 Replace 1,400 large coal-fired plants with gas-fired plants ³ 6 Install CCS at 800 large coal-fired power plants 4 Install CCS at coal plants that produce hydrogen for 1.5 billion vehicles S (รวว) 39VMOIS ONY MOLVO NOV ? 8 Notes: ¹ World fleet size in 2056 could well be two billion cars. Assume they average 10,000 miles a year. Install CCS at coal-to-syngas plants 2"Large" is one-gigawatt (GW) capacity. Plants run 90 percent of the time. 3 Here and below, assume coal plants run 90 percent of the time at 50 percent efficiency. Present coal power output is equivalent to 800 such plants. 4 Assume 90 percent of CO₂ is captured. $ Assume a car (10,000 miles a year, 60 miles per gallon equivalent) requires 170 kilograms of hydrogen a year. *Assume 30 million barrels of synfuels a day, about a third of today's total oil output to displace coal Add twice today's nuclear to displace coal? Increase wind power 40-fold 9 Increase wind power 80-fold to make hydrogen for cars Increase to displace coal? solar power 700-fold COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC. 10 11 12 ALTERNATIVE ENERGY SOURCES production. Assume half of carbon originally in the coal is captured. Assume wind and solar produce, on average, 30 percent of peak power. Thus replace 2,100 GW of 90-percent-time coal power with 2,100 GW (peak) wind or solar plus 1,400 GW of load-following coal power, for net displacement of 700 GW. *Assume 60-mpg cars, 10,000 miles a year, biomass yield of 15 tons a hectare, and negligible fossil-fuel inputs. World cropland is 1,500 million hectares. ³ Carbon emissions from deforestation are currently about two billion tons a year. Assume that by 2056 the rate falls by half in the business-as-usual projection and to zero in the flat path. JANET CHAO
Transcribed Image Text:POWER GE 5 Replace 1,400 large coal-fired plants with gas-fired plants ³ 6 Install CCS at 800 large coal-fired power plants 4 Install CCS at coal plants that produce hydrogen for 1.5 billion vehicles S (รวว) 39VMOIS ONY MOLVO NOV ? 8 Notes: ¹ World fleet size in 2056 could well be two billion cars. Assume they average 10,000 miles a year. Install CCS at coal-to-syngas plants 2"Large" is one-gigawatt (GW) capacity. Plants run 90 percent of the time. 3 Here and below, assume coal plants run 90 percent of the time at 50 percent efficiency. Present coal power output is equivalent to 800 such plants. 4 Assume 90 percent of CO₂ is captured. $ Assume a car (10,000 miles a year, 60 miles per gallon equivalent) requires 170 kilograms of hydrogen a year. *Assume 30 million barrels of synfuels a day, about a third of today's total oil output to displace coal Add twice today's nuclear to displace coal? Increase wind power 40-fold 9 Increase wind power 80-fold to make hydrogen for cars Increase to displace coal? solar power 700-fold COPYRIGHT 2006 SCIENTIFIC AMERICAN, INC. 10 11 12 ALTERNATIVE ENERGY SOURCES production. Assume half of carbon originally in the coal is captured. Assume wind and solar produce, on average, 30 percent of peak power. Thus replace 2,100 GW of 90-percent-time coal power with 2,100 GW (peak) wind or solar plus 1,400 GW of load-following coal power, for net displacement of 700 GW. *Assume 60-mpg cars, 10,000 miles a year, biomass yield of 15 tons a hectare, and negligible fossil-fuel inputs. World cropland is 1,500 million hectares. ³ Carbon emissions from deforestation are currently about two billion tons a year. Assume that by 2056 the rate falls by half in the business-as-usual projection and to zero in the flat path. JANET CHAO
In the Scientific American article on on the Carbon Wedge Framework, wedge #6 is Install CCS at 800 large coal-fired power plants. Use the following assumptions for the question below. Assumptions: • P= 1000 MW (rated power of plant) • CF = 65% (plant capacity factor) . CSS Efficiency = 90% (90% of CO₂ emitted is captured and pumped underground) Cco2 = 210 lbs CO₂/MMBtu (emissions per million BTU primary energy) • e = 35% (power plant efficiency) mc/mco2 = 12/44 = 0.27 (ratio of chemical molecular masses) Calculation: • Show with explicit calculations that CSS technology installed at 800 large power plants by the year 2050 could save 1 wedge of carbon (1 billion metric tons of carbon/yr) .
Transcribed Image Text:In the Scientific American article on on the Carbon Wedge Framework, wedge #6 is Install CCS at 800 large coal-fired power plants. Use the following assumptions for the question below. Assumptions: • P= 1000 MW (rated power of plant) • CF = 65% (plant capacity factor) . CSS Efficiency = 90% (90% of CO₂ emitted is captured and pumped underground) Cco2 = 210 lbs CO₂/MMBtu (emissions per million BTU primary energy) • e = 35% (power plant efficiency) mc/mco2 = 12/44 = 0.27 (ratio of chemical molecular masses) Calculation: • Show with explicit calculations that CSS technology installed at 800 large power plants by the year 2050 could save 1 wedge of carbon (1 billion metric tons of carbon/yr) .
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