Hydrogen production
HYDROGEN PRODUCTION AND PERFORMANCE OF ANAEROBIC FIXED-BED REACTORS USING THREE SUPPORT ARRANGEMENTS FROM CASSAVA STARCH WASTEWATER
... and hydrogen, with lesser amounts of methane. Hydrogen percentage in the biogas were up to ...of hydrogen in the biogas was higher at the beginning of the operation and decreased during its ...
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Hydrogen production by ethanol steam reforming using Cu/Ni/g-Al2o3 catalysts.
... HYDROGEN PRODUCTION BY ETHANOL STEAM REFORMING USING Cu/Ni/γ-Al 2 O 3 CATALYSTS. Cu/Ni/γ-Al 2 O 3 catalysts were prepared by an impregnation method with 2.5 or 5% wt of copper and 5 or 15% wt of nickel and ...
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Sensitization of TiO2 Photoelectrodes Using Copper Phthalocyanine for Hydrogen Production
... The system was exposed to visible light and sunlight to determine the performance of the sensitized photoelectrodes. Exposure was held during a period of 2 hours. Quantification of hydrogen production was ...
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Catalytic steam reforming of ethanol for hydrogen production: Brief status
... The main issue for ethanol SR is avoiding the coke formation over the catalysts, since it reduces the catalytic activity and leads to the material deactivation [20,21]. A wide variety of elements have been studied for ...
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HYDROGEN PRODUCTION FROM CASSAVA PROCESSING WASTEWATER IN AN ANAEROBIC FIXED BED REACTOR WITH BAMBOO AS A SUPPORT MATERIAL
... fermentative production of hydrogen, which ensures the sustainability of the ...starch production contains nitrogen and phosphorus, among other nutrients (RIBAS et ...the production of ...
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Patents at the national level as an indicator of development of technologies for hydrogen production.
... the hydrogen economy in the ...on hydrogen production filed by the INPI by evaluating the energy production in Brazil in conjunction with data held in the BNE and the prediction of ...
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Fermentative hydrogen production from agroindustrial lignocellulosic substrates
... biological hydrogen production, it is crucial to consider inex- pensive materials such as lignocellulosic substrate residues derived from agroindustrial ...2 production presented in this review, ...
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Engineering Synechocystis PCC6803 for hydrogen production: influence on the tolerance to oxidative and sugar stresses.
... the hydrogen metabolism remains puzzling in cyanobacteria, and the activity of the Ni-Fe hydrogenase, the hydrogen-producing enzyme, remains low ...the hydrogen production machine of the model ...
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Biological Hydrogen production from environmental sample in tropical countries
... The hydrogen gas is regarded as clean and renewable energy source, since it generates only water during combustion when used as ...for hydrogen biological production in temperate climate countries as ...
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Hydrogen production by anaerobic fermentation - general aspects and possibility of using brazilian agro-industrial wastes.
... 75. Lin, C.Y.; Wu, C.C.; Hung, C.H.; Int. J. Hydrogen Energy 2008, 33, 43. 76. Wang, G.; Mu, Y.; Yu, H.Q.; Biochem. Eng. J. 2005, 23, 175. 77. Karadag, D.; Puhakka, J.A.; Int. J. Hydrogen Energy 2010, 35, ...
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Bioconversion of potatoes residues or surplus potatoes to ethanol under non axenic conditions [abstract]
... Although the Clostridium genus is promising for fermentative hydrogen production, few investigations have used pure strains to make a detailed study of the optimal conditions for hydr[r] ...
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Braz. J. Chem. Eng. vol.32 número2
... and hydrogen gas by aceto- genic bacteria. Finally, acetate and hydrogen gas are converted into methane by the acetoclastic or hydro- genotrophic methanogenic archaea, ...the hydrogen produced as an ...
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Preparation and evaluation of CoAl2O3 catalysts in the production of hydrogen from thermo-catalytic decomposition of methane: Influence of operating conditions on catalyst performance
... economic production of hydrogen. One method of hydrogen production is through the direct catalytic decomposition of ...conventional hydrogen production methods, such as methane ...
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Mat. Res. vol.17 número1
... the hydrogen evolution reaction is studied under the optimized reaction ...the hydrogen production was reached to maximum of 800 cc/min and thereby decreased to attain the stable ...of ...
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Arq. Gastroenterol. vol.53 número3
... and hydrogen production by bacterial fermentation during colonoscopy, gas exchange during the procedure is believed to be effective in lowering existing methane concentration, allowing for safe utilization ...
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Biohydrogen Production using Synthetic versus Biological Materials
... hydrophilic sponge as shown in Figure 2. It was similar to the assessment of loofah sponge as being inefficient for biomass immobilization and hydrogen production in batch mode (Chang et al. 2002). The lag ...
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MATERIAL AND METHODS Inoculum source and enrichment phase
... the production of methane, acetic acid and hydrogen sulfide in the three tests, probably related to hydrogenotrophic methanogenesis, homoacetogenesis and sulfidogenesis, ...with hydrogen ...
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Braz. J. Chem. Eng. vol.31 número3
... in hydrogen production is eco- nomically viable (Luo et ...produce hydrogen from cassava wastewater in an anaerobic fluidized bed reactor ...favors hydrogen release at this stage (Wu et ...
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Production of biohydrogen from dark fermentation of organic wastes
... different hydrogen production methods using biological and thermo-chemical ...Biological hydrogen production methods include: dark fermentation; or the use of algae deprived of sulfur to ...
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J. Braz. Chem. Soc. vol.28 número6
... the need for a more advanced gas management system, which is disadvantageous in terms of the technological simplicity and process economics. The evaluation of the application of iron as a potential material for ...
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