Industrial wastewater to biohydrogen: Possibilities towards successful biorefinery route

Banu, J. Rajesh; Kavitha, S.; Kannah, R. Yukesh; Bhosale, Rahul R.; Kumar, Gopalakrishnan

doi:10.1016/j.biortech.2019.122378

Cited by 78 publications

(13 citation statements)

References 142 publications

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“…These materials, on a wider spectrum among others, include agro-industrial-, cafeteria/food-and municipal-wastes, wastewaters. [9][10][11][12][13][14] Additionally, there have been research wave and strong promotion on the cultivation of microalgae as renewable, so-called third generation biomass sources and their subsequent use of for the biofuel production, including biohydrogen. 15,16 Besides the potential of microalgae to serve as the feedstock for hydrogen fermentation, it was also demonstrated that versatile effluents of dark fermentation bioreactors can be utilized by certain microalgae during their own growth and reproduction cycles, 17 viewed as an option in the wastewater-to-bioenergy and hydrogen biorefinery platforms.…”

Section: Introductionmentioning

confidence: 99%

“…Nowadays, with the intense progression of the field, it is rather trending to shift toward the valorization of complex raw materials especially at practical‐scale applications. These materials, on a wider spectrum among others, include agro‐industrial‐, cafeteria/food‐ and municipal‐wastes, wastewaters 9‐14 . Additionally, there have been research wave and strong promotion on the cultivation of microalgae as renewable, so‐called third generation biomass sources and their subsequent use of for the biofuel production, including biohydrogen 15,16 .…”

Section: Introductionmentioning

confidence: 99%

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Feasibility study of polyetherimide membrane for enrichment of carbon dioxide from synthetic biohydrogen mixture and subsequent utilization scenario using microalgae

et al. 2020

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In this work, the potential of utilizing a polyetherimide (PEI) hollow-fiber membrane to separate synthetic biohydrogen mixture (H 2 /CO 2 ) was studied.From the gas separation experiments, where the effects of feed to permeate pressure ratio (P feed /P permeate ) and stage-cut as key factors were evaluated, it was found that the PEI membrane had the capacity to purify either H 2 or CO 2 .It turned out that different separation settings should be chosen in accordance with the actual technological purpose, defined either as the enrichment of H 2 or CO 2 . The highest H 2 concentration (66.4 vol%) in the permeate was achieved at P feed /P permeate of 4.62 and stage-cut of 0.47, while the peak CO 2 concentration (79.2 vol%) in the retentate was obtained by applying P feed /P permeate of 4.55 and stage-cut of 0.65. The assessment and discussion of results indicated the possible utilization of the CO 2 -rich fraction (produced by the PEI membrane) for the biological sequestration using microalgae. To our knowledge, PEI membranes have not yet been tested in such a concept and thus, the results and experiences can mean a new contribution to the literature.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Feasibility study of polyetherimide membrane for enrichment of carbon dioxide from synthetic biohydrogen mixture and subsequent utilization scenario using microalgae

et al. 2020

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“…The biological processes involve dark fermentation (DF) , , photo‐fermentation , and biophotolysis . The production of biohydrogen from biomass is particularly promising since the technology is considered CO 2 ‐neutral .…”

Section: Introductionmentioning

confidence: 99%

“…Although biohydrogen production via DF may be considered profitable and energy‐efficient, industrial implementation is only viable if productivity and yields are increased . Several previous studies applied continuously stirred‐tank reactors (CSTRs) for investigations , . The operation of this type of reactor is straightforward and ensures complete mixing of the reactor contents.…”

Section: Introductionmentioning

confidence: 99%

Biohydrogen Production via Dark Fermentation with Pig Manure and Glucose Using pH‐Dependent Feeding

et al. 2020

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Process controls for mesophilic dark fermentation using a pH-dependent feeding strategy without NaOH addition were examined. One reactor utilizing microorganism holdback and two continuously stirred-tank reactors (CSTRs) with the same volume were employed. These were fed with pig manure and glucose as cosubstrates. Different hydraulic retention times were applied. The target pH was 5.5 within a limited range and controlled by varying organic loading rate. When the pH target interval was exceeded, the hydrogen production rate (HPR) decreased, and CH 4 was produced. A pH below the target interval had positive effects on the HPR.

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“…Biomethane and biohydrogen are two main products considered in energy recovery from waste and wastewater [1][2][3][4], which are considered to be a replacement for conventional fossil fuels [5][6][7][8]. The anaerobic digestion process leading to those products is described by equations [9][10][11]:…”

Section: Introductionmentioning

confidence: 99%

Sulfur, Phosphorus and Metals in the Stoichiometric Estimation of Biomethane and Biohydrogen Yields

2020

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The estimation of biomethane or biohydrogen yield is used to evaluate energy recovery during the process of the anaerobic treatment of waste and wastewater. Mathematically calculated theoretical values can also be used in biomethane or biohydrogen potential tests as reference points to calculate which fraction of substrate is decomposed, when the substrate degradation stopped and when the sample’s self-digestion begins. This study suggests expanded forms of equations for anaerobic processes leading to either biomethane or biohydrogen. The traditional equations describing the conversion of a substrate with known carbon, hydrogen, oxygen and nitrogen composition were expanded to account for the composition of sulfur (for biohydrogen yields) and phosphorus (both biohydrogen and biomethane yields). As an optional part, one metal cation was also incorporated into the chemical formula of the evaluated wastewater composition in case the compound of biodegradable interest exists as a salt. The equations derived here can be useful for researchers estimating energy recovery based on the elemental analysis of samples, such as algal biomass harvested during harmful algal blooms (HABs). Examples of biomethane and biohydrogen yield estimations from sulfur- and phosphorus-containing compounds are also provided.

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Industrial wastewater to biohydrogen: Possibilities towards successful biorefinery route

Cited by 78 publications

References 142 publications

Feasibility study of polyetherimide membrane for enrichment of carbon dioxide from synthetic biohydrogen mixture and subsequent utilization scenario using microalgae

Feasibility study of polyetherimide membrane for enrichment of carbon dioxide from synthetic biohydrogen mixture and subsequent utilization scenario using microalgae

Biohydrogen Production via Dark Fermentation with Pig Manure and Glucose Using pH‐Dependent Feeding

Sulfur, Phosphorus and Metals in the Stoichiometric Estimation of Biomethane and Biohydrogen Yields

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