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Journal of Energy
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2020
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Article
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Fig 3
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Research Article
Removal of Hydrogen Sulfide from Biogas Using a Red Rock
Figure 3
(a, b) Low-magnification (25.00 KX) and (c, d) high-magnification (50.00 KX) SEM images of RR-B and RR-C, respectively.
(a)
(b)
(c)
(d)