Results 51 to 60 of about 2,307 (168)

Ash Evaluation of Indonesian Coal Blending for Pulverized Coal-Fired Boilers

Journal of Combustion, 2021
Coal calorific value is one of the main considerations for using coal as a power plant fuel. In addition, the requirements for indications of slagging and fouling are also important to maintain combustion efficiency.
null Hariana, Adi Prismantoko, Ganda Arif Ahmadi, Arif Darmawan   +3 more
doaj   +1 more source

Bionic Solar‐Powered Heavy Metal Trap for Eco‐Friendly Sludge Drying and Simultaneous Electricity Generation

Advanced Science, Volume 13, Issue 41, 22 July 2026.
Herein, we propose a solar‐powered heavy metal trap (SPHT) for sludge disposal. The indoor experiments demonstrated that the sludge water content decreased from 90 % to 31 %, coupled with a decrease in heavy metal content to 6 % at most. Furthermore, the designed SPHT generated an initial potential of 0.10 V, and monitoring this hydrovoltaic potential ...
Yanlin Li, Jinglan Wang, Hailin Gu, Zhen Yu, Fawei Lin, Cunku Dong, Ningning Cao, Miao Yu   +7 more
wiley   +1 more source

The Effect of Sintering Flue Gas Composition on NO Reduction in Coke

Asia-Pacific Journal of Chemical Engineering, Volume 21, Issue 4, July/August 2026.
ABSTRACT The strategy of substituting combustion air with sintering flue gas in circulating fluidized bed (CFB) systems provides a low‐cost and highly efficient approach for the purification of sintering off‐gas. In this work, coke was employed as the reducing agent, and a high‐temperature vertical tube furnace was used to simulate the dense‐phase ...
Canbin Huang, Tuo Zhou, Hao Xie, Jinjiang Zhao, Man Zhang, Hairui Yang   +5 more
wiley   +1 more source

Analysis and prediction of gas calorific value of coal underground gasification products from coaxial gasification channel

Meitan xuebao
In the underground coal gasification (UCG) process, different operating parameters and coal properties can cause the UCG system to exhibit different gasification processes, and the calorific value of the product gas will also show a decreasing trend ...
Faqiang SU, Jiaoyuan LI, Wen LI, Yanpeng CHEN, Yazhou LIU, Song’ao LIAN, Yihe YU, Ze ZHOU   +7 more
doaj   +1 more source

Thermal Calculations for Co‐Firing of Hydrogen/Ammonia and Coal in 660‐MW Coal‐Fired Boilers

Asia-Pacific Journal of Chemical Engineering, Volume 21, Issue 4, July/August 2026.
ABSTRACT To achieve a clean energy transition under the dual carbon goals, blending hydrogen/ammonia into pulverized coal boilers represents a key technological pathway. Different hydrogen/ammonia co‐firing ratios (5%–50%) are investigated for their impact on the thermodynamic characteristics of 660‐MW supercritical boiler at 100% and 20% boiler ...
Yaodong Da, Nana Hou, Weipeng Wang, Yongqiang Chang, Xin Liu, Feng Pan, Defu Che, Lei Deng   +7 more
wiley   +1 more source

Comparative field‐scale assessment of TLUD and Kon‐Tiki biochar systems: agronomic performance and net CO2e‐based techno‐economics

Biofuels, Bioproducts and Biorefining, Volume 20, Issue 4, Page 1762-1780, July/August 2026.
Abstract Post‐harvest agricultural residues in Latin America are commonly underutilized, leading to greenhouse gas emissions and lost opportunities for bio‐based value creation. This study tests the hypothesis that decentralized, farmer‐scale pyrolysis technologies can deliver comparable agronomic benefits while exhibiting distinct techno‐economic and ...
Juan F. Saldarriaga, Thomas Käslin, Enara Fernández, Maider Amutio, Gartzen López, Laura Santamaria, Nausika Querejeta, Julián E. López   +7 more
wiley   +1 more source

Coal recovery from a coal waste dump

E3S Web of Conferences, 2016
The possibilities and efficiency of coal recovery from the waste material located at the Central Coal Waste Dump in Poland were presented in this paper. The waste material includes significant amount of fly ash.
Rozanski Zenon, Suponik Tomasz, Matusiak Piotr, Kowol Daniel, Szpyrka Jan, Mazurek Michal, Wrona Pawel   +6 more
doaj   +1 more source

Performance, Emission, and Optimization Analysis of a Diesel Engine Fueled With Waste‐Derived Tallow Biodiesel

Engineering Reports, Volume 8, Issue 7, July 2026.
The growing demand for sustainable, low‐emission fuels has increased interest in waste‐derived biodiesel for compression ignition engines. This study experimentally evaluates mutton tallow biodiesel blends and applies a multi‐response optimization approach using the Taguchi method integrated with Gray relational analysis.
Pratik V. Swami, Sannappa C. Kamate, Shivanagouda N. Topannavar, Mukesh Kumar, Manjunath G. Avalappa   +4 more
wiley   +1 more source

AutoML for calorific value prediction using a large database from the coal gasification practices in China

International Journal of Coal Science & Technology
Calorific value is one of the most important properties of coal. Machine learning (ML) can be used in the prediction of calorific value to reduce experimental costs.
Yuchao Guo, Xia Liu, Yunfei Gao, Xiaoyu Wang, Lu Ding, Weitong Pan, Cheng Hua, Yulian He, Xueli Chen, Zhenghua Dai, Guangsuo Yu, Fuchen Wang   +11 more
doaj   +1 more source

Underground gasification process of coal based on vapor-oxygen ratio optimization and staged gasification reaction analysis

Meitan xuebao
The introduction of water vapor as a gasification agent in the study of Underground Coal Gasification (UCG) is conducive to the improvement of combustible gas generation, which is of greatsignificance in promoting the advancement of coal clean ...
Faqiang SU, Wen LI, Jiaoyuan LI, Yanpeng CHEN, Hao CHEN, Yazhou LIU, Songao LIAN, Chenyang SHI, Yihe YU   +8 more
doaj   +1 more source