scholarly journals EMISSIONS OF GREENHOUSE GASES FROM UKRAINIAN THERMAL POWER PLANTS

Author(s):  
I.A. Volchyn ◽  
L.S. Haponych

In 2014, Ukraine signed and ratified the Agreement on associated with the EU. One of the requirements advanced in this Agreement lies in establishing the procedures of monitoring, reporting, and verification of the emissions of greenhouse gases (GG) from power plants. This system is based on the assemblage of procedures for estimating the GG emissions. Greenhouse gases formed at the combustion of organic fuels are CO2, CH4, and N2O. Carbon dioxide is the main GG emitted by power plants. In carrying out this work, we developed a method for the calculation of CO2 emission, formed during coal firing at thermal power plants (TPP), based on the carbon content factors with regard for the low calorific value of coal and heat loss due to unburned carbon. Using this method, we obtained the values of specific carbon content factors, CO2 emission factors and gross CO2 emissions from Ukrainian TPP during the last years. We also calculated the gross GG emissions. In 2018, the GG emissions at Ukrainian TPP were equal to 45.5 mln t of CO2-equivalent.The values of specific GG emissions per unit of supplied electric power constituted 1126 g/kW-h. This parameter reached 1186 g/kW-h for coal of grade A and L, and 1112 g/kW-h for grades G and DG. Ref. 16, Tab. 8.

2014 ◽  
Vol 63 ◽  
pp. 6745-6755 ◽  
Author(s):  
Antti Arasto ◽  
Eemeli Tsupari ◽  
Janne Kärki ◽  
Risto Sormunen ◽  
Timo Korpinen ◽  
...  

Author(s):  
Елена Петровна Майсюк ◽  
Ирина Юрьевна Иванова ◽  
Роман Андреевич Иванов

В статье сформирована последовательность выполнения действий по определению экологических характеристик функционирования объектов энергетики. Приведены показатели энергообъектов и справочные данные, необходимые для получения промежуточных показателей этапов исследований. Дано описание расчетных моделей определения массы выбросов в атмосферу загрязняющих веществ и парниковых газов и массы образующихся золошлаковых отходов. Модели разработаны на основе утвержденных методик для тепловых электростанций, котельных и дизельных электростанций. Показано, что технологии расчетов экологических характеристик для каждой категории энергообъектов зависят от вида сжигаемого топлива и типа используемого оборудования. Выполнена систематизация информации для моделей определения экологических характеристик функционирования энергетических объектов. Вся необходимая информация представлена в виде трех крупных блоков: характеристика населенных пунктов; показатели энергообъектов; справочные данные по видам топлива, энергетическому и улавливающему оборудованию. Приведено подробное описание показателей каждого блока информации. Показана зависимость перечня определяемых экологических характеристик энергообъектов от вида сжигаемого топлива. Обозначены источники информации и доступность получения показателей каждого блока. The article forms a sequence of actions to determine the environmental characteristics of the functioning of energy facilities. The indicators of energy facilities and reference data required to obtain intermediate indicators of research stages are presented. A description of the models for determining the mass of emissions of pollutants and greenhouse gases into the atmosphere and the mass of ash and slag waste are described. The models are developed on the basis of approved methodologies for thermal power plants, boiler houses and diesel power plants. It is shown that technologies for calculating environmental characteristics for each category of energy facilities depend on the type of fuel burned and the type of equipment used. The systematization of information for models to determining the environmental characteristics of the functioning of energy facilities has been carried out. All the necessary information is presented in the form of three large blocks: characteristics of settlements; indicators of energy facilities; reference data on types of fuel, energy and capture equipment. A detailed description of the indicators of each block of information is given. The dependence of the list of determined environmental characteristics of energy facilities on the type of burned fuel is shown. The sources of information and the availability of obtaining indicators for each block are indicated.


Author(s):  
Maka Jishkariani ◽  

At the present stage, economic research on climate change and its main problem requires in-depth scientific study and analysis of various factors. An important source of air pollution is the energy sector, especially solid and liquid fuels used for technological purposes in thermal power plants. In Georgia, 1/5 of the total electricity generated is produced in thermal power plants. The article analyses Greenhouse gas emissions in Georgia by sectors and sub-sectors as well the criteria for estimating fuel combustion, such as net calorific value of fuel and carbon content standard indicators. The formula for calculation of CO2, CH4 and N2O emissions from the transport vehicles is developed in this work.


2012 ◽  
Vol 16 (3) ◽  
pp. 805-816 ◽  
Author(s):  
Predrag Stefanovic ◽  
Zoran Markovic ◽  
Vukman Bakic ◽  
Dejan Cvetinovic ◽  
Vuk Spasojevic ◽  
...  

The revised Intergovernmental Panel on Climate Change (IPCC) guidelines for national greenhouse gas (GHG) inventories recommends that more comprehensive and thus more reliable characteristics of the local fossil fuels should be used for the national GHG inventory calculations. This paper deal with the carbon emission characteristics of low-calorific lignite recovered from the Kolubara open-pit mine. The samples of coal were carefully selected in order to cover the net calorific value, ash and water content of the broad spectrum of the quality of the raw lignite supplied to the Serbian thermal power plants. Correlation analysis of the laboratory analysis data gave a linear dependency of the net calorific value on the combustible content in the coal samples. Also, linear correlation between the carbon content and the net calorific value was found. The regression analysis of experimentally determined coal characteristics implies that the carbon emission factor is dependent on the net calorific value. For the subset of raw lignite samples with the net calorific value Qdr = 6 ? 10 MJ/kg, that is most representative for current and near future use for power generation in Serbian thermal power plants, the linear dependency CEFr (tC/TJ) = 34.407 - 0.5891?Qdr (MJ/kg) was proposed. Regarding the net calorific ranges of samples examined, the raw Kolubara lignite carbon emission factor is considerably higher than those recommended by IPCC Tier 1 method of 27.6 tC/TJ.


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