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Study on Coupling Effect of Additives on NOx Control in Coal Pyrolysis-Combustion [PDF]

E3S Web of Conferences, 2021
A large amount of nitrogen oxides produced by loose coal combustion has an important impact on the ecological environment. To solve this problem, it is proposed to prepare clean coke instead of loose coal combustion to reduce the emission of nitrogen ...
Kong Xianglu, Yang Song, Liu Shoujun, Zhang Kaixia, Jiao Tingting, Shangguan Ju   +5 more
doaj   +1 more source

Design and Research on Denitrification of Urea in a New Household Biomass Boiler

Taiyuan Ligong Daxue xuebao, 2021
In order to make full use of the biomass resources such as straw and wood in rural areas, the hourglass furnace structure and urea spray denitrification system were designed to solve the problem of high nitrogen oxide emission in rural household biomass ...
Yuxuan ZHAI, Xinghui ZHANG, Cong ZHANG, Zhao LI, Hong ZHANG   +4 more
doaj   +1 more source

Progress in Metal-Organic Framework Catalysts for Selective Catalytic Reduction of NO_x: A Mini-Review

Atmosphere, 2022
Nitrogen oxides released from the combustion of fossil fuels are one of the main air pollutants. Selective catalytic reduction technology is the most widely used nitrogen oxide removal technology in the industry.
Yuan Gao, Si-Yan Gong, Baixiao Chen, Wen-Hao Xing, Yan-Fei Fei, Zhong-Ting Hu, Zhiyan Pan   +6 more
doaj   +1 more source

Determination of emission factors for nitrogen oxides and volatile organic compounds emitted from jewelry making workshops

Journal of Air Pollution and Health, 2021
Introduction: Air pollution is a major problem in Isfahan, one of the major cities of Iran. A large number of jewelry making workshops are located in Isfahan, yet there is insufficient information about their pollutants emission rates.
Farham Aminsharei, Elham Asgari Kheirabadi, Amirreza Talaiekhozani   +2 more
doaj   +1 more source

NOx concentration prediction in coal-fired power plant based on CNN-LSTM algorithm

Frontiers in Energy Research, 2023
Measuring the nitrogen oxides concentration accurately at the inlet of the selective catalytic reduction denitrification system plays an important role in controlling the nitrogen oxides concentration for coal-fired power plants, and a coupling ...
Zhe Yin, Chunlai Yang, Xiaolei Yuan, Fei Jin, Bin Wu   +4 more
doaj   +1 more source

The Effects of Biodiesel on NOx Emissions for Automotive Transport

Communications, 2022
Automobiles with internal combustion engine using diesel fuel have large harmful emissions of nitrogen oxides and soot, which affect the health of the population and especially children and carbon dioxide, which is dangerous for the planet as a whole ...
Ruslana Kolodnytska, Oleksandr Kravchenko, Juraj Gerlici, Kateryna Kravchenko   +3 more
doaj   +1 more source

Characteristics of NOx Formation and Removal in the Transient Process of a 660 MW Coal-fired Power Unit

发电技术, 2020
In order to complete the peak load regulating of power system, coal-fired power units have long-term frequent load fluctuations, which have a significant impact on the formation and removal of nitrogen oxides. In this paper, with the goal of studying the
Jiang FAN, Shuangping ZHANG, Yu MENG, Weixiong CHEN, Junjie YAN   +4 more
doaj   +1 more source

Analytical review of methods for the determination of nitrogen oxides in tobacco and nicotine containing products

Новые технологии, 2022
Reducing the toxicity of tobacco products is a pressing issue today. Manufacturers offer consumers innovative types of nicotine containing products, such as electric tobacco heating systems, as an alternative to traditional cigarettes.
A. Yu. Lushnikova
doaj   +1 more source

Improvement of Working Conditions of Mining Workers by Reducing Nitrogen Oxide Emissions during Blasting Operations

Applied Sciences, 2021
The article presents comparison of the values of maximum permissible concentrations, revealed during the analysis of the national standards of Russia and Australia in the field of regulation of nitrogen oxides.
Marat Rudakov, Ruslan Babkin, Ekaterina Medova   +2 more
doaj   +1 more source

Effects of nitrogen, sulphur, and temperature treatments on the spectral, structural, and electrochemical characteristics of graphene oxide for energy storage applications

Carbon Trends, 2023
The structural and surface modifications have been studied on the hydrothermally Nitrogen (N) and Sulphur (S) doped and thermally reduced at 350 °C nitrogen-doped, nitrogen-sulfur-doped graphene oxides.
G. Vignesh, P. Devendran, N. Nallamuthu, S. Sudhahar, P. Senthil Kumar, M. Krishna Kumar   +5 more
doaj   +1 more source