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Articles; Agriculture and Environmental Biotechnology

Phenol degradation by environmental bacteria entrapped in cryogels

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Pages 514-521 | Received 12 Dec 2014, Accepted 14 Jan 2015, Published online: 19 Feb 2015

Figures & data

Figure 1. Morphology of the bacterial isolates KCМ-R5 (A) and KCМ-RG5 (B).

Figure 1. Morphology of the bacterial isolates KCМ-R5 (A) and KCМ-RG5 (B).

Figure 2. Growth of Pseudomonas rhodesiae KCМ-R5 (A) and Bacillus subtilis KCM-RG5 (B) in Furukava's medium supplemented with phenol and phenol derivatives as sole carbon and energy sources.

Figure 2. Growth of Pseudomonas rhodesiae KCМ-R5 (A) and Bacillus subtilis KCM-RG5 (B) in Furukava's medium supplemented with phenol and phenol derivatives as sole carbon and energy sources.

Figure 3. Efficiency of phenol biodegradation by biofilters PEO-KCM R5 and PEO-KCM RG5. Biofilms were treated for 28 days with different phenol concentrations: 300 mg·L−1 (1–7 day), 400 mg·L−1 (8–12 day), 600 mg·L−1 (12–16 day) and 1000 mg·L−1 (17–28 day).

Figure 3. Efficiency of phenol biodegradation by biofilters PEO-KCM R5 and PEO-KCM RG5. Biofilms were treated for 28 days with different phenol concentrations: 300 mg·L−1 (1–7 day), 400 mg·L−1 (8–12 day), 600 mg·L−1 (12–16 day) and 1000 mg·L−1 (17–28 day).

Figure 4. Macrostructure and SEM analysis of the PEO-KCM R5 (A) and PEO-KCM RG5 (B) biofilter treated with phenol.

Figure 4. Macrostructure and SEM analysis of the PEO-KCM R5 (A) and PEO-KCM RG5 (B) biofilter treated with phenol.

Figure 5. SEM micrography of biofilm formed on the PEO-KCM R5 biofilter. Magnification ×500 (a), ×1500 (b), ×2500 (c), ×5000 (d), ×10,000 (e) and ×20,000 (f).

Figure 5. SEM micrography of biofilm formed on the PEO-KCM R5 biofilter. Magnification ×500 (a), ×1500 (b), ×2500 (c), ×5000 (d), ×10,000 (e) and ×20,000 (f).