Biohydrogen production by anaerobic fermentation of food waste

Han, Sun-Kee; Shin, Hang‐Sik

doi:10.1016/j.ijhydene.2003.09.001

Cited by 454 publications

(134 citation statements)

References 34 publications

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“…After day 2, D was lowered from 4.5 to 2.3 days -1 to prevent a decline in B/A ratio for enhanced H 2 production. Compared with 0.5-2.2 with no D control, 15 the B/A ratios were kept high (2-2.7) on days 3-6, accompanied by the second H 2 peak. It meant that D shift resulted in the improved degradation of slowly degradable matter.…”

Section: Methodsmentioning

confidence: 79%

“…A heat-shock treatment is conducted to inhibit hydrogenotrophic bacteria and to harvest anaerobic 15 It was reported that cellulose degradation increased at high retention time 16 and protein degradation increased at both high retention time and neutral pH. 17 H 2 fermentation of 6 days is reasonable considering operation time and efficiency, 15 which is followed by post-treatment. Fifteen L/min of air is injected through the bottom of the reactor for 45 hr after dewatering in the same reactor for 3 hr.…”

Section: Discussionmentioning

confidence: 99%

“…Thus, the efficiency of H 2 fermentation was 70.3%, which was higher than that (59.1%) of the fermentation with no D control. 15 It indicated that H 2 fermentation of food waste could be improved by adjusting D properly. Figure 4 illustrates that the first-order rate constant, obtained by eq 4, was 0.2067 days -1 , which was also higher than that (0.1342 days -1 ) of the fermentation with no D control.…”

Section: Methodsmentioning

confidence: 99%

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Performance of an Innovative Two-Stage Process Converting Food Waste to Hydrogen and Methane

Han

Shin

2004

Journal of the Air & Waste Management Association

130

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This study was conducted to evaluate the performance of an innovative two-stage process, BIOCELL, that was developed to produce hydrogen (H 2 ) and methane (CH 4 ) from food waste on the basis of phase separation, reactor rotation mode, and sequential batch technique. The BIOCELL process consisted of four leaching-bed reactors for H 2 recovery and post-treatment and a UASB reactor for CH 4 recovery. The leaching-bed reactors were operated in a rotation mode with a 2-day interval between degradation stages. /kg VS added , respectively. Moreover, the output from the posttreatment could be used as a soil amendment. The BIOCELL process proved to be stable, reliable, and effective in resource recovery as well as waste stabilization. INTRODUCTIONThe generation of food waste reaches 11,237 t/day in Korea, accounting for 23.2% of municipal solid waste. 1 Because of its high volatile solids (85-95%) and moisture content (75-85%), food waste causes decay, odor, and leachate in collection and transportation. Most food

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Section: Methodsmentioning

confidence: 79%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Performance of an Innovative Two-Stage Process Converting Food Waste to Hydrogen and Methane

Han

Shin

2004

Journal of the Air & Waste Management Association

130

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“…From an environmental viewpoint, there is an urgent need for appropriate management of food waste. Due to its chemical complexity, high moisture content, putrescibility and nutrient rich composition, food waste should be treated as a useful resource for higher value products, such as fuels and chemicals through fermentation [5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

A Threshold-Based Weather Model for Predicting Stripe Rust Infection in Winter Wheat

et al. 2017

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Food waste (FW) generally has high starch content and is rich in nutritional compounds, including lipids, proteins and acids. It is therefore potentially a renewable resource and its utilization for value-added product development is gaining interest. In this study, FW from a cafeteria was used as sole substrate for glucose production, and the fermentation conditions for optimum glucose yield were firstly optimized using response surface methodology. It was found that glucose yield was significantly affected by α-amylase loading, solid loading and temperature. The optimal conditions were found to be an α-amylase loading of 12.15 U/g FW, a solid loading of 22.4% and a culture temperature of 83.8°C for 90 min, which resulted in a maximum glucose yield of 217 mg/g. Secondly, in order to increase the final glucose concentration, an in situ produced fungal mash rich in glucoamylase was obtained from Aspergillus awamori which resulted in a glucose concentration of 99.1 g/L. When a fungal mash rich in cellulase obtained from Trichoderma reesei was combined with glucoamylase, a maximum of 140 g/L of glucose was obtained. This study showed that FW is a suitable substrate for saccharification with high conversion yield, indicating the potential utilization of food wastes for value-added chemicals production.

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“…As such, organic wastes used for the production of methane can also be the potential substrates for anaerobic fennentative production of H2 (3). In fact, many studies indicate that various wastes containing high organic matter have been used to produce H2 by anaerobic fennentation process (4)(5)(6)(7)(8)(9)(10). The major differences between the two processes are that successful biological H2 production requires inhibition of H2-consuming microorganisms and maximization of H2 production yield from the organic substrates.…”

Section: Introductionmentioning

confidence: 99%

Limitations of Bio-Hydrogen Production by Anaerobic Fermentation Process: An Overview

Cheng¹,

Cord‐Ruwisch²,

Ho³

2007

AIP Conference Proceedings

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Abstract. Turning organic wastes into hydrogen (H2) by using anaerobic fennentative technology is an ideal concept because this can accomplish both waste treatment and energy recovery objectives. However, H2 production using anaerobic fennentative approaches faces a fundamental limitation of poor H2 production yield (i.e. < 4 mol H2 per mol of hexose). This article gives an overview on the limitations of bio-H2 production using fennentative processes. Fundamental microbiology and thennodynamic ofthe processes are discussed.

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Biohydrogen production by anaerobic fermentation of food waste

Cited by 454 publications

References 34 publications

Performance of an Innovative Two-Stage Process Converting Food Waste to Hydrogen and Methane

Performance of an Innovative Two-Stage Process Converting Food Waste to Hydrogen and Methane

A Threshold-Based Weather Model for Predicting Stripe Rust Infection in Winter Wheat

Limitations of Bio-Hydrogen Production by Anaerobic Fermentation Process: An Overview

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