Photofermentative hydrogen production using Rhodobium marinum from bagasse and soy sauce wastewater

Anam, Khairul; Habibi, Muhammad Sidiq; Harwati, Theresia Umi; Susilaningsih, Dwi

doi:10.1016/j.ijhydene.2012.06.076

Cited by 47 publications

(11 citation statements)

References 45 publications

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“…Comparatively low H 2 from NDLH of dilute acid pretreated wheat straw is attributable to higher amounts of the inhibitors. Anam et al [ 30 ] also reported highest reducing sugar contents obtained by 4% (v/w) acid concentration while treating sugarcane bagasse. The author reported glucose and yeast extract as carbon and nitrogen sources, respectively important for growth and maintenance of cells in addition to hydrogen production.…”

Section: Resultsmentioning

confidence: 99%

Photo-biohydrogen production potential of Rhodobacter capsulatus-PK from wheat straw

Mirza

Qazi

Zhao

et al. 2013

Biotechnol Biofuels

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BackgroundBiotechnological exploitation of lignocellulosic biomass is promising for sustainable and environmentally sound energy provision strategy because of the abundant availability of the renewable resources. Wheat straw (WS) comprising of 75-80% cellulose and hemicellulose is one of widely available, inexpensive and renewable lignocellulosic biomass types. The cellulosic and hemicellulose substrate can be hydrolyzed into monomeric sugars by chemical and/or biological methods.ResultsThis study examined comparative potential of dilute acid and pre-ammonia pretreated and enzymatically hydrolyzed wheat straw (WS) for hydrogen production by purple non sulfur bacterium Rhodobacter capsulatus-PK. Gas production became noticeable after 14 h of inoculation in WS pretreated with 4% H2SO4. The detoxified liquid hydrolyzate (DLH) after overliming attained a production level of 372 mL-H2/L after 16 h under illumination of 120-150 W/m2 at 30 ± 2.0°C. Whereas the non-detoxified acid pretreated hydrolyzate (NDLH) of WS could produce only upto 254 mL-H2/L after 21 h post inoculation. Evolution of H2 became observable just after 10 ± 2.0 h of inoculation by employing 48 h age inoculum on the WS pretreated with 30% ammonia, hydrolyzed with cellulase 80 FPU/g and β-glucosidase 220 CbU/ml at 50°C. Upto 712 ml/L of culture was measured with continuous shaking for 24 h. The 47.5% and 64.2% higher hydrogen volume than the DLH and NDLH substrates, respectively appeared as a function of significantly higher monomeric sugar contents of the enzymatically hydrolyzed substrate and lesser/zero amounts of toxic derivatives including pH reducing agents.ConclusionPhotofermentative hydrogen production from lignocellulosic waste is a feasible approach for eco-friendly sustainable supply of bioenergy in a cost-effective way. Results of this study provide new insight for addressing biotechnological exploitation of abundantly available and low-cost cellulosic substrates.

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Section: Resultsmentioning

confidence: 99%

Photo-biohydrogen production potential of Rhodobacter capsulatus-PK from wheat straw

Mirza

Qazi

Zhao

et al. 2013

Biotechnol Biofuels

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“…COD assays were determined according to SNI method. Total organic acid and total nitrogen assays were analyzed according to AOAC [16].…”

Section: E Analytical Methodsmentioning

confidence: 99%

Biohydrogen Production in Substrates Combination of Vinasse and Tofu Whey Using Photosynthetic Bacteria Rhodobium marinum

Nusaibah¹,

Syamsu²,

Susilaningsih³

2020

Int. J. Adv. Sci. Eng. Inf. Technol.

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Hydrogen gas is generated by the fossil fuel refinery process, fixation of sunlight, wind turbine, and water electrolysis. Hydrogen gas is promising energy due to its high energy content and clean combustion. It is also able to be produced by fermentation series, using waste as a substrate. Vinasse is a waste of ethanol distillation from fermented molasses, which still has high Chemical Oxygen Demand (COD) content. The COD is mainly composed of many organic loads that potential to produce hydrogen. Tofu whey (TW), which still has high nitrogen content, is waste generated from the tofu production process. TW is reported to contain high of valuable nutrients, including protein that contains nitrogen. The combination of both liquid wastes is a suitable substrate for hydrogen gas production using Rhodobium marinum. This work aimed to study hydrogen gas, Hydrogen Production Rate, and COD Removal Rate of hydrogen production using a combination of both liquid wastes. Biohydrogen production was examined by varying COD of vinasse/Nitrogen from TW (10,000/1-50,000/1) at a particular fermentation time in the 3rd, 6th, and 9th days. The highest hydrogen gas and Hydrogen Production Rate (HPR) was obtained at substrate concentration 40,000/1 on 9th day of fermentation, namely 95.72±6.51 mL H2/L and 121.44 mL H2/L/d, respectively. COD removal and COD Removal Rate were 7820±400.69 mg COD/L and 799.77 mg COD/L/d. Thus, it can be concluded that the combination of Vinasse and TW has potential as a substrate to biohydrogen production using Rhodobium marinum.

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“…This metabolic versatility is one aspect that makes it attractive for engineering not only because of the breadth of opportunities for products but also because of the possibilities for feedstocks. PNSB have been studied extensively for wastewater cleanup ( Adessi et al, 2017 ) including in olive mill wastewater ( Eroglu et al, 2010 ; Pintucci et al, 2013 ), beet molasses ( Keskin and Hallenbeck, 2012 ), dairy wastewater ( Seifert et al, 2010b ), soy sauce wastewater ( Anam et al, 2012 ), brewery wastewater ( Seifert et al, 2010a ), a swine wastewater ditch ( Okubo et al, 2006 ), and crude glycerol ( Sabourin-Provost and Hallenbeck, 2009 ; Ghosh et al, 2012a , b ). It has also been shown to be effective for the bioremediation of aromatic compounds ( Harwood and Gibson, 1986 , 1988 ; Sasikala and Ramana, 1998 ; Zengler et al, 1999 ; Gibson and Harwood, 2006 ) including lignin monomer degradation ( Harwood and Gibson, 1988 ; Salmon et al, 2013 ).…”

Section: A Comparison Of Oxygenic and Anoxygenic Photosynthesismentioning

confidence: 99%

Engineering Photosynthetic Bioprocesses for Sustainable Chemical Production: A Review

Stephens

Mahadevan

Allen

2021

Front. Bioeng. Biotechnol.

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Microbial production of chemicals using renewable feedstocks such as glucose has emerged as a green alternative to conventional chemical production processes that rely primarily on petroleum-based feedstocks. The carbon footprint of such processes can further be reduced by using engineered cells that harness solar energy to consume feedstocks traditionally considered to be wastes as their carbon sources. Photosynthetic bacteria utilize sophisticated photosystems to capture the energy from photons to generate reduction potential with such rapidity and abundance that cells often cannot use it fast enough and much of it is lost as heat and light. Engineering photosynthetic organisms could enable us to take advantage of this energy surplus by redirecting it toward the synthesis of commercially important products such as biofuels, bioplastics, commodity chemicals, and terpenoids. In this work, we review photosynthetic pathways in aerobic and anaerobic bacteria to better understand how these organisms have naturally evolved to harness solar energy. We also discuss more recent attempts at engineering both the photosystems and downstream reactions that transfer reducing power to improve target chemical production. Further, we discuss different methods for the optimization of photosynthetic bioprocess including the immobilization of cells and the optimization of light delivery. We anticipate this review will serve as an important resource for future efforts to engineer and harness photosynthetic bacteria for chemical production.

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Photofermentative hydrogen production using Rhodobium marinum from bagasse and soy sauce wastewater

Cited by 47 publications

References 45 publications

Photo-biohydrogen production potential of Rhodobacter capsulatus-PK from wheat straw

Photo-biohydrogen production potential of Rhodobacter capsulatus-PK from wheat straw

Biohydrogen Production in Substrates Combination of Vinasse and Tofu Whey Using Photosynthetic Bacteria Rhodobium marinum

Engineering Photosynthetic Bioprocesses for Sustainable Chemical Production: A Review

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