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Research Article

Microbial desulphurisation of coal: a review

ORCID Icon &
Pages 1-24 | Received 06 Feb 2022, Accepted 26 Nov 2022, Published online: 09 Feb 2023

Figures & data

Figure 1. Summary of the study (Ye et al. Citation2018).

Figure 1. Summary of the study (Ye et al. Citation2018).

Figure 2. The display of maceral groups consisting of 79.4% vitrinite, 13.1% inertness, and 7.5% liptinite by volume.

Figure 2. The display of maceral groups consisting of 79.4% vitrinite, 13.1% inertness, and 7.5% liptinite by volume.

Figure 3. Aerobic digestion steps of sulphur removal.

Figure 3. Aerobic digestion steps of sulphur removal.

Figure 4. Product research on coal surface made with various bacterial cultures.

Figure 4. Product research on coal surface made with various bacterial cultures.

Figure 5. SEM images of chalcopyrite (b) and pyrohititis (c), where pyrite (a) is oxidised.

Figure 5. SEM images of chalcopyrite (b) and pyrohititis (c), where pyrite (a) is oxidised.

Figure 6. Different resolution images (SEM (a, b, and c), Fluorescent staining image (d)) of pyrite surface oxidised due to Acidithiobacillus ferrooxidans effect for 39 days.

Figure 6. Different resolution images (SEM (a, b, and c), Fluorescent staining image (d)) of pyrite surface oxidised due to Acidithiobacillus ferrooxidans effect for 39 days.

Figure 7. Fifteen days Acidithiobacillus ferrooxidans effect oxidised chalcopyrite surface SEM images (a and b) and fluorescent staining image (c), 39 days Acidithiobacillus ferrooxidans effect oxidised chalcopyrite surface SEM image (d).

Figure 7. Fifteen days Acidithiobacillus ferrooxidans effect oxidised chalcopyrite surface SEM images (a and b) and fluorescent staining image (c), 39 days Acidithiobacillus ferrooxidans effect oxidised chalcopyrite surface SEM image (d).

Figure 8. The appearance of chalcopyrite surface in oxidation result due to Acidithiobacillus ferrooxidans effect for 15 days.

Figure 8. The appearance of chalcopyrite surface in oxidation result due to Acidithiobacillus ferrooxidans effect for 15 days.

Figure 9. Anaerobic digestion steps of sulphur removal (DBT = dibenzothiophene).

Figure 9. Anaerobic digestion steps of sulphur removal (DBT = dibenzothiophene).

Table 1. Structure of the main chain polymer and specific enzyme suitable for the structure.

Table 2. The synonym properties and systematic places of Phanerochaete chrysoporium.

Table 3. Synonym properties and systematic locations of Trames versicolor.