Summary
Photos of scanning and transmission electron microscopy showed that sludge granules treating sucrose wastewater had a 20–40 μm surface layer with diverse morphology, consisting of cocci and bacilli, and a loosely packed interior, mainly consisting of Methanothrix. Light microscopy using epi-fluorescent excitation showed not only the similar microstructure, but also the distribution of various genuses of methanogens.
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Fang, H.H.P., Chui, H.K. Microstructural analysis of anaerobic granules. Biotechnol Tech 7, 407–410 (1993). https://doi.org/10.1007/BF00151874
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DOI: https://doi.org/10.1007/BF00151874