Energy Evaluation and Techno-economic Analysis of Low-Rank Coal (Victorian Brown Coal) Utilization for the Production of Multi-products in a Drying–Pyrolysis Process

2018 ◽  
Vol 32 (3) ◽  
pp. 3211-3224 ◽  
Author(s):  
Tahereh Hosseini ◽  
Anthony De Girolamo ◽  
Lian Zhang
Keyword(s):  
Economic Analysis ◽  
Brown Coal ◽  
Low Rank ◽  
Pyrolysis Process ◽  
Low Rank Coal ◽  
Energy Evaluation

Change of combustion characteristics of Indonesian low rank coal due to upgraded brown coal process

2006 ◽  
Vol 87 (11) ◽  
pp. 1007-1011 ◽  
Author(s):  
Datin Fatia Umar ◽  
Hiromoto Usui ◽  
Bukin Daulay
Keyword(s):  
Brown Coal ◽  
Combustion Characteristics ◽  
Low Rank ◽  
Low Rank Coal

Study on the Process Analysis and Kinetics during the Co-Pyrolysis of Low Rank Coal and Enteromorpha

2014 ◽  
Vol 1008-1009 ◽  
pp. 268-273
Author(s):  
Chun Xia Wang ◽  
Xuan Ming He ◽  
Dong Zheng Feng ◽  
Fu Lu Ao
Keyword(s):  
Synergistic Effect ◽  
Reaction Rate ◽  
Compensation Effect ◽  
Process Analysis ◽  
Low Rank ◽  
Pyrolysis Process ◽  
Low Rank Coal ◽  
Kinetics Analysis ◽  
Exponential Factor ◽  
Maximum Value

The pyrolysis of low rank coal (LRC) , enteromorpha (EN) and their mixture were carried out in a special prolysis equipment. The experiments showed that the maximum tar yield of blends was 11.39% with a EN ration of 30%, which increased by 28.61% compared to LRC pyrolysis alone and 8.87% compared to calculated value. The thermogravimetric analysis (TGA) of LRC, EN and their mixture indicated that there was significant synergistic effect in the co-pyrolysis process of LRC and EN during 240~750°C. The relative maximum value of synergistic effect was 18.5%. Kinetics analysis showed there was compensation effect between activation energy and pre-exponential factor of co-pyrolysis. The mix of LRC and EN enhanced the reaction activity and lowers the reaction rate. Synergistic effect mainly was reflected in enhancing the reaction activity of co-pyrolysis.

Modelling and development of technological processes for low rank coal bio-utilization on the example of brown coal

Fuel ◽  
2020 ◽  
Vol 267 ◽  
pp. 117298
Author(s):  
Leonid Plyatsuk ◽  
Yelizaveta Chernysh ◽  
Iryna Ablieieva ◽  
Yevhen Bataltsev ◽  
Roman Vaskin ◽  
...  
Keyword(s):  
Brown Coal ◽  
Low Rank ◽  
Low Rank Coal ◽  
Technological Processes

Automatic maceral analysis of low-rank coal (brown coal)

1989 ◽  
Vol 14 (1-2) ◽  
pp. 103-118 ◽  
Author(s):  
R. Takahashi ◽  
M. Sasaki
Keyword(s):  
Brown Coal ◽  
Low Rank ◽  
Low Rank Coal

scholarly journals Utilization of Low-Rank Coals for Producing Syngas to Meet the Future Energy Needs: Technical and Economic Analysis

2021 ◽  
Vol 13 (19) ◽  
pp. 10724
Author(s):  
Usama Ahmed ◽  
Muhammad Arsalan Hussain ◽  
Muhammad Bilal ◽  
Hassan Zeb ◽  
Umer Zahid ◽  
...  
Keyword(s):  
Economic Analysis ◽  
Energy Demand ◽  
Process Model ◽  
Production Efficiency ◽  
Chemical Engineering ◽  
Low Rank ◽  
Low Rank Coal ◽  
Syngas Production ◽  
Geographically Dispersed ◽  
Low Rank Coals

Increased energy demand in recent decades has resulted in both an energy crisis and carbon emissions. As a result, the development of cleaner fuels has been under the research spotlight. Low-rank coals are geographically dispersed, abundant, and cheap but are not utilized in conventional processes. Syngas can be produced from coal-using gasification which can be used in various chemical engineering applications. In this study, the process model for syngas production from low-rank coal is developed and the effects of various process parameters on syngas composition are evaluated, followed by a technical and economic evaluation. The syngas production rate for the low-rank coal has been evaluated as 25.5 kg/s, and the contribution to H2 and CO production is estimated as 1.59 kg/s and 23.93 kg/s, respectively. The overall syngas production and energy consumed in the process was evaluated as 27.68 kg/GJ, and the CO2 specific emissions were calculated as 0.20 (mol basis) for each unit of syngas production. The results revealed that the syngas production efficiency for low-rank coals can be as high as 50.86%. Furthermore, the economic analysis revealed that the investment and minimum selling prices per tonne of syngas production are EUR 163.92 and EUR 180.31, respectively.

scholarly journals Economic Analysis of Upgrading Low Rank Coal Process

2011 ◽  
Vol 49 (5) ◽  
pp. 639-643 ◽  
Author(s):  
Dong-Hyuk Chun ◽  
Sang-Do Kim ◽  
Young Joon Rhim ◽  
Si Hyun Lee
Keyword(s):  
Economic Analysis ◽  
Low Rank ◽  
Low Rank Coal
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