a critical review of mineral matter related issues during gasification of coal in fixed, fluidized, and entrained flow gasifiers
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ID: 253241
2015
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Abstract
Gasification of coal is gaining more popularity due to its clean operation, and its ability to generate products for various markets. However, these technologies are not widely commercialized due to reliability and economic issues. Mineral matter in coal plays an important role in affecting the availability/reliability of a gasifier. Agglomeration in the bed, slag mobility and blockage of the syngas exit section are some of the operations related concerns in fixed-bed gasifiers, while ash deposition and sudden defluidization are the major concerns in fluidized bed gasifiers. In the case of entrained flow gasifiers, syngas cooler fouling and blockage, corrosion and erosion of refractory, and slag mobility are some of the major issues affecting the operations and the reliability of the gasifier. This review is aimed at critically examining various mineral matter related issues contributing to the operation and reliability problems in three types of generic gasifiers (fixed bed, fluidized bed and entrained flow gasifiers). Based on the review, some strategies to counter the potential mineral matter related issues are presented.
| Reference Key |
krishnamoorthy2015energiesa
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|---|---|
| Authors | ;Vijayaragavan Krishnamoorthy;Sarma V. Pisupati |
| Journal | acs combinatorial science |
| Year | 2015 |
| DOI |
10.3390/en80910430
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| URL | |
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