Production of renewable biohydrogen by Rhodobacter sphaeroides S10: A comparison of photobioreactors

Palamae, Suriya; Choorit, Wanna; Dechatiwongse, Pongsathorn; Zhang, Dongda; Rio‐Chanona, Ehecatl Antonio del; Chisti, Yusuf

doi:10.1016/j.jclepro.2018.01.238

Cited by 30 publications

(15 citation statements)

References 41 publications

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“…With a di of 0.010 m, a Si/V ratio of 400 m -1 was reached [24]. A recent tubular photobioreactor with a Si/V ratio of 182 m -1 was identified as the best culture system among those tested by Palamae et al [23]. They reported that the Si/V ratio affects the production of biomass and hydrogen differently: a high Si/V ratio favored the hydrogen production over biomass production when growing Rhodobacter sphaeroides S10.…”

Section: Photobioreactor Performancementioning

confidence: 95%

“…In fact, the lamination of the culture can increase the irradiated surface (Si) and consequently the Si/V ratio of the photobioreactor and control the photic ratio by spacing or narrowing the parallel rows. Table 1 shows the internal diameter (di) and the Si/V ratio of several tubular photobioreactors proposed in literature [17,[21][22][23][24]: the lower the internal diameter the higher the Si/V ratio. With a di of 0.010 m, a Si/V ratio of 400 m -1 was reached [24].…”

Section: Photobioreactor Performancementioning

confidence: 99%

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Photofermentative Poly-3-Hydroxybutyrate Production by Rhodopseudomonas sp. S16-VOGS3 in a Novel Outdoor 70-L Photobioreactor

et al. 2018

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In the present study, the performance of a 70 L photobioreactor, operating outdoors, was investigated using a purple bacterial strain as Rhodopseudomonas sp. S16-VOGS3 for producing poly-3-hydroxybutyrate (PHB). The novel photobioreactor was equipped with 5 rows L-shaped; the bottom of every row was placed in a stainless-steel tank containing water with controlled temperature. The photofermentation trials were carried out under fed-batch mode and under a semi-continuous regimen using lactic acid as the carbon source. The effect of the irradiance and the carbon/nitrogen ratio on the PHB accumulation was investigated, in order to evaluate the optimal bacterial growth. The results showed the feasibility of the prototype photobioreactor for the production of PHB by Rhodopseudomonas sp. S16-VOGS3 under the natural light/dark cycle. During the fed-batch growth (144 h long), the cumulative PHB increased quickly reaching a maximum value of 377 mg/L and decreased to 255 mg/L during the semi-continuous regimen (336 h long).

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Section: Photobioreactor Performancementioning

confidence: 95%

Section: Photobioreactor Performancementioning

confidence: 99%

Photofermentative Poly-3-Hydroxybutyrate Production by Rhodopseudomonas sp. S16-VOGS3 in a Novel Outdoor 70-L Photobioreactor

et al. 2018

View full text Add to dashboard Cite

show abstract

“…With a di of 0.010 m, a Si/V ratio of 400 m -1 was reached [23]. A recent tubular photobioreactor with a Si/V ratio of 182 m -1 was identified as the best culture system among those tested by Palamae et al [21]. They reported that the Si/V ratio affects the production of biomass and hydrogen differently: a high Si/V ratio favored the hydrogen production over biomass production when growing Rhodobacter sphaeroides S10.This section may be divided by subheadings.…”

Section: Photobioreactor Performancementioning

confidence: 95%

“…Culture lamination is a way to augment the irradiated surface (Si) and thereby to increase the Si/V ratio of the photobioreactor and control the photic ratio by spacing or narrowing the parallel rows. Table 1 shows the internal diameter (di) and the Si/V ratio of several tubular photobioreactors proposed in literature [16,[20][21][22][23]: the lower the internal diameter the higher the Si/V ratio. With a di of 0.010 m, a Si/V ratio of 400 m -1 was reached [23].…”

Section: Photobioreactor Performancementioning

confidence: 99%

Photofermentative Poly-3-Hydroxybutyrate Production by <em>Rhodopseudomonas</em> Sp. S16-VOGS3 in a Novel Outdoor L-Shaped Row Photobioreactor

Carlozzi¹,

Seggiani²,

Cinelli³

et al. 2018

Preprint

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In the present study, the performance of a 70 L photobioreactor, operating outdoors, was investigated using a purple bacterial strain as Rhodopseudomonas sp. S16-VOGS3 for producing poly-3-hydroxybutyrate (PHB). The novel photobioreactor was equipped with 5L-shaped rows; the bottom of every row was placed in a stainless-steel tank containing water with controlled temperature. The photofermentation trials were carried out under fed-batch mode and under a semi-continuous regimen using lactic acid as carbon source. The effect of the irradiance and the C/N ratio on the PHB accumulation was investigated, in order to evaluate the optimal bacterial growth. The results showed the feasibility of the prototype photobioreactor for the production of PHB by Rhodopseudomonas sp. S16-VOGS3 under the natural light/dark cycle. During the fed-batch growth (144 h long), the cumulative PHB increased quickly reaching the maximum value of 377 mg/L and decreased to 255 mg/L during the semi-continuous regimen (336 h long).

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“…However, Monod is not considered to be well suited to modeling photosynthetic organisms due to the model not taking into account the effects of light. The Aiba model, a modified version of Monod, shown in Equation ( 2), can be employed to simulate the effect of light intensity on the growth rate of photosynthetic bacteria (Palamae et al, 2018;Zhang, Dechatiwongse et al, 2015;Zhang, Xiao et al, 2015).…”

Section: Modeling Of Biological Growthmentioning

confidence: 99%

Investigating and modeling the effect of light intensity on Rhodopseudomonas palustris growth

Turco

Pott

2022

Biotech & Bioengineering

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Photosynthetic bacteria can be useful biotechnological tools-they produce a variety of valuable products, including high purity hydrogen, and can simultaneously treat recalcitrant wastewaters. However, while photobioreactors have been designed and modeled for photosynthetic algae and cyanobacteria, there has been less work on understanding the effect of light in photosynthetic bacterial fermentations. To design photobioreactors, and processes using these organisms, robust models of light penetration, utilization, and conversion are needed. This stydy uses experimental data from a tubular photobioreactor designed to focus in on light intensity effects, to model the effect of light intensity on the growth of Rhodopseudomonas palustris, a model photosynthetic bacterium. The work demonstrates that growth is controlled by light intensity, and that this organism does experience photolimitation below 200 W/m 2 and photoinhibition above 600 W/m 2 . This has implications for outdoor applications, as there will be low growth during the periods of limited light, and growth may be inhibited during the light intensive hours of mid-day. Further, the work presents a model for light penetration in cylindrical photobioreactors, which tends to be the most common geometry. The model developed showed good fit to the experimental data for each light intensity investigated, with high R 2 values and NRMSE values all below 20%. The work extends the modeling tools for these organisms, and will allow for better photobioreactor design, and the integration of modeling tools in designing processes which use photosynthetic bacteria.

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Production of renewable biohydrogen by Rhodobacter sphaeroides S10: A comparison of photobioreactors

Cited by 30 publications

References 41 publications

Photofermentative Poly-3-Hydroxybutyrate Production by Rhodopseudomonas sp. S16-VOGS3 in a Novel Outdoor 70-L Photobioreactor

Photofermentative Poly-3-Hydroxybutyrate Production by Rhodopseudomonas sp. S16-VOGS3 in a Novel Outdoor 70-L Photobioreactor

Photofermentative Poly-3-Hydroxybutyrate Production by <em>Rhodopseudomonas</em> Sp. S16-VOGS3 in a Novel Outdoor L-Shaped Row Photobioreactor

Investigating and modeling the effect of light intensity on Rhodopseudomonas palustris growth

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