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The co-digestion process of crude cheese whey (CCW) with fruit vegetable waste (FVW) for biohydrogen production was investigated in batch and continuous systems, in stirred 1.8 L bioreactors at 37°C. Five different C/N ratios (7, 17, 21, 31, and 46) were tested in batch systems. While, in continuous system eight conditions were evaluated, hydraulic retention time (from 60 to 10 h) and organic load...
Agro-industrial wastes were utilized to produce biohydrogen. A series of batch test were conduced at different carbon/nitrogen C/N ratios of 7, 17, 21, 31 y 46, the different mixtures were obtain by mixing crude chees whey with fruit-vegetable waste. A maximum specific biohydrogen production rate of 10.68 mmolH2/L*h and maximum biohydrogen yield of 449.84 mL H2/g COD were determined at C/N ratio of...
Mexico produces large amounts of organic residues. Twenty milliard tons of fruit and vegetable wastes (FVW) are produced yearly. On the other hand, the cheese processing industry produces crude cheese whey (CCW) with an annual production of 1 million metric tons. These types of residues are well characterized, and both constitute a potential feedstock for biohydrogen production, individually or as...
Hydrogen is considered as a fuel for the ‘‘future’’ because it has the highest energy density of 3042 cal/m3. Especially the production of biological hydrogen is promising as it can be obtained from a variety of organic feedstocks. Anaerobic co-digestion has been attracting strong interest due to its potential to improve the buffer capacity, the nutrient balance, the carbon/nitrogen (C/N) ratio and...
Hydrogen is considered as a fuel for the ‘‘future’’ because it has the highest energy density of 3042 cal/m3. Especially the production of biological hydrogen is promising as it can be obtained from a variety of organic feedstocks. Anaerobic co-digestion has been attracting strong interest due to its potential to improve the buffer capacity, the nutrient balance, the carbon/nitrogen (C/N) ratio and...
Bio-hydrogen (Bio-H2) production from the organic fraction of solid waste, as fruit and vegetable wastes, constitutes an interesting and feasible technology to obtain clean energy. In spite of the feasibility to produce Bio-H2 from fruit/vegetable wastes (FVW), data about its rheological characterization are scarce. This information is useful to establish the hydrodynamic behavior, which controls...
The co-digestion process of crude cheese whey (CCW) with fruit vegetable waste (FVW) for biohydrogen production was investigated in this study. Five different C/N ratios (7, 17, 21, 31, and 46) were tested in 2 L batch systems at a pH of 5.5 and 37 °C. The highest specific biohydrogen production rate of 10.68 mmol H2/Lh and biohydrogen yield of 449.84 mL H2/g COD were determined at a C/N ratio of...
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