Predictive equations for CO2 emission factors for coal combustion, their applicability in a thermal power plant and subsequent assessment of uncertainty in CO2 estimation

“…The IPCC 1996 indicated a single default value of 19.98 TJ/kt for NCV and 25.8 t of C/TJ for CEF for entire coking and other bituminous coals (Roy et al, 2009). …”

Section: Co 2 Prediction Emissionmentioning

confidence: 99%

“…Nitrogen in almost coals is in the range of 0.60-1.67%. So, the emission amount of GHG and emission factor calculation becomes very important (Roy et al, 2009). Sulfur concentration in coal seems so vary and related to the environmental consequences of burning coal, it will be also an important constituent, but here, it will not be discussed in detail.…”

Section: Mathematical Equation For Emission Estimationmentioning

confidence: 99%

Carbon dioxide emission factor estimation from Indonesian coal

Damayanti¹,

Khaerunissa²

2018

IMJ

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Climate change will become the priority for the air quality management. It focuses more on carbon dioxide emission. Indonesia which has power generation dominated by coal combustion is expected to develop the national CO2 emission factor. Due to the high variation in Indonesia coal rank and its growing magnitude in CO2 emission caused by the future coal-fired power plant development, the characteristic emission value becomes an important concern. The method used in this study is developed from the IPCC Guidelines for Energy. The conversion unit plays an important role in the calculation method. The result shows that the higher in C content, the lower in its CO2 emission factor. It means that coal classified as high C content or high heating value will produce low carbon dioxide emission factor. The average CO2 emission factor obtained in Indonesian coal is 99,718 kg CO2/TJ with an average value of carbon content 27.2 kg C/GJ, and NCV equal to 19.8 TJ/Gg. Coal rank is categorized as lignite to subbituminous or bituminous.

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“…19 Nacionalni emisijski faktori U mnogim zemljama provedena su istraživanja u svrhu određivanja nacionalnih EF(CO 2 ) za određene vrste ugljena. [11][12][13]18,[20][21][22] U tablici 1 prikazana je usporedba nacionalnih EF(CO 2 ) za različite vrste ugljena u EU s referentnim EF. 7 Vidljiva je znatna razlika između prosječnih vrijednosti nacionalnih i referentnih EF(CO 2 ) u EU-u za lignite (oko 10 %).…”

Section: Emisijski Faktoriunclassified