Viewed 40 times 0 $\begingroup$ I'm a little embarrassed to ask this question at this stage of the climate game but, in searching, I seem to get contradictory answers. we see 1 kg/kWh = 2.2 lbs/kWh, New York times https://www.nytimes.com/2007/11/07/business/businessspecial3/07carbon.html Hence, deforestation has a high impact on climate change. emits 1.0 kg carbon dioxide for generating one kilowatt hour of electricity. gives 1.9 lbs/kWh. Step 3: converting energy produced to CO 2 emissions. Even natural fuels such as wood or peat have high specific emissions, if they are not used Is it a usual practice from pianists to remove the hand that does not play during a certain time, far from the keyboard? E.g. Why does burning wood produce methane and other hydrocarbon chains? If fuels are used for electricity generation, carbon dioxide emissions increase with the reciprocal To analyze emissions across fuels, compare the amount of CO2 emitted per unit of energy output or heat content. I'm a little embarrassed to ask this question at this stage of the climate game but, in searching, I seem to get contradictory answers. The specific amount of CO2 released varies with the kind of coal. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. How much CO2 is emitted by burning coal to produce 1 kWh of energy, https://www.eia.gov/tools/faqs/faq.php?id=73&t=11, http://shrinkthatfootprint.com/electricity-emissions-around-the-world, https://www.nytimes.com/2007/11/07/business/businessspecial3/07carbon.html, MAINTENANCE WARNING: Possible downtime early morning Dec 2/4/9 UTC (8:30PM…, “Question closed” notifications experiment results and graduation. Active 6 months ago. Or else point out the elementary error I am making? How much CO2 is emitted by burning coal to produce 1 kWh of energy. For a long-term climate protection the only alternative are i.e., about the same as the NY Times and shrinkthatfootprint figures. Thanks for contributing an answer to Chemistry Stack Exchange! What happens if my Zurich public transportation ticket expires while I am traveling? sustainable. 20.025 million BTUs per ton × 208.364 pounds per million BTUs = 4,172.4891 pounds of CO2 per ton of coal = 1,668.99564 pounds of CO2 per 800 pounds of coal. protection in the short-term. The results of our analysis shows that wood is generally about the same or perhaps a bit lower in CO. 2. emissions on a dry basis (zero moisture content). Use MathJax to format equations. Convert x y coordinates (EPSG 102002, GRS 80) to latitude (EPSG 4326 WGS84), How to look back on 10 years of photography. How to migrate data from MacBook Pro to new iPad Air, How could I align the statements under a same theorem. Different fuels emit different amounts of carbon dioxide (CO2) in relation to the energy they produce when burned. Can anyone point me to a site that I can trust for this number and others like it (related to energy production)? Making statements based on opinion; back them up with references or personal experience. of the power plant efficiency. Note: this math is based on weighted average data. nearly 100 % more carbon dioxide with respect to the energy content than burning of natural gas. rev 2020.11.24.38066, The best answers are voted up and rise to the top, Chemistry Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. How much carbon dioxide is produced when different fuels are burned? On average, electricity sources emit 0.947 lbs CO2 per kWh. if a power station with an efficiency of 34 % burns coal, it emits 1.0 kg carbon dioxide for generating one kilowatt hour of electricity. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Of the 13 Southern states, the leader by far in the total number of power plants, "red alert" plants producing more than 1,750 pounds of carbon dioxide per megawatt hour, and total CO2 tonnage is Texas. Asking for help, clarification, or responding to other answers. zero-carbon energy resources such as sustainable-used biomass and other renewable types of energy. Since 1 million btu = 293 kWh, we end up with 0.735 lbs/kWh. Carbon dioxide (CO 2) emissions from energy and material production can arise from various sources and fuel type: coal, oil, gas, cement production and gas flaring.. As global and national energy systems have transitioned over centuries and decades, the contribution of different fuel sources to CO 2 emissions has changed both geographically and temporally. Examples of back of envelope calculations leading to good intuition? If protectionist policies hinder economic growth, why do we need border taxes at all? we see 215.4 lbs CO2 giving 1 million btu heat. To learn more, see our tips on writing great answers. How much “cleaner” does summer fuel burn? The conversion factor is {{KWHToCO2.CO2_PER_KWH}} kg CO2 saved for each kWh produced from a carbon free source. 1 kWh of electricity, when produced from a coal burning power plant, will generate 0.94 kg (or 2.07 lbs) of CO2 emissions to the atmosphere according to CNCF.. MathJax reference. Specific Carbon Dioxide Emissions of Various Fuels, *) not sustainable used without reforestation. To analyze emissions across fuels, compare the amount of CO2 emitted per unit of energy output or heat content. State CO2 emissions per kWh may vary greatly in accordance with the amount of clean energy in the energy supply (Vermont: 0.0045 lbs/kWh; North Dakota: 1.505 lbs/kWh). Brown coal has an energy content of 15MJ/kg, carbon content 65% by weight, burning in a 30% efficient steam power plant. For example, here: https://www.eia.gov/tools/faqs/faq.php?id=73&t=11
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