Results 71 to 80 of about 165 (109)
Advancements in biohydrogen production - a comprehensive review of technologies, lifecycle analysis, and future scope. [PDF]
RSC AdvSanghvi AH +5 more
europepmc +1 more source
Cultivation of microalgae-bacteria consortium by waste gas-waste water to achieve CO2 fixation, wastewater purification and bioproducts production. [PDF]
Biotechnol Biofuels BioprodKong W +7 more
europepmc +1 more source
Modeling pH and temperature effects on the anaerobic treatment of tequila vinasses
Journal of Chemical Technology and Biotechnology, 2020 AbstractBACKGROUNDAn unstructured mathematical model is proposed to evaluate the effect of key variables on the anaerobic digestion of tequila vinasses and to determine the operating conditions that improve biogas production. Most of the models currently reported do not consider the simultaneous effects of pH and temperature on the process kinetics ...
Jazael G Moguel-Castaneda +2 more
exaly +3 more sources
Anaerobic treatment of Tequila vinasses in a CSTR-type digester
Biodegradation, 2009 Tequila industries in general produce great volumes of effluents with high pollutant loads, which are discharged (untreated or partially treated) into natural receivers, thus causing severe environmental problems. In this contribution, we propose an integrated system as a first step to comply with the Mexican ecological norms and stabilize the ...
Hugo Oscar, Méndez-Acosta +4 more
openaire +3 more sources
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Photofermentation of tequila vinasses by Rhodopseudomonas pseudopalustris to produce hydrogen
International Journal of Hydrogen Energy, 2018Abstract Hydrogen production by photofermentation of tequila vinasses (VT) was studied using Rhodopseudomonas pseudopalustris DSM 123. To the best of our knowledge this is the first report on hydrogen production by photofermentation on VT. Hydrogen production was doubled on VT (260 m$props_value{literPattern}/L) as compared to a synthetic medium ...
JOSÉ Roberto Ramos-Ibarra +2 more
exaly +4 more sources
Profitability of biogas production as a source of energy for tequila distilleries from the anaerobic treatment of tequila vinasses [PDF]
Agro ProductividadObjective: To analyze the profitability of biogas production from tequila vinasses in an anaerobic packed bed reactor (PBR) plant to use biogas as substitute of heavy fuel (fuel oil) in boilers of the tequila industry.Design/methodology/approach: Financial information for biogas production was gathered; the methodology with the approach of investment ...
Ana karen Santiago santiago +5 more
core +4 more sources
Tequila vinasses: generation and full scale treatment processes
Reviews in Environmental Science and Biotechnology, 2010The production of Tequila (55% Alc. Vol.) in Mexico for the year 2008 was 227 million liters, and consequently around 2,270 million liters of Tequila vinasses (TVs) were generated, which without proper treatment is equivalent to the pollution produced by 6.2 million people.
Alberto López-López +2 more
exaly +2 more sources
Environmental Technology (United Kingdom), 2015
The main problem linked to the stability of upflow anaerobic sludge blanket (UASB) reactors during the treatment of Tequila vinasse is the high acidity and the null alkalinity present in this effluent. This research evaluates the effect of alkalinity and volatile fatty acids (VFAs) concentration on the performance of an UASB reactor with recirculation ...
Alberto López-López +1 more
exaly +3 more sources
The main problem linked to the stability of upflow anaerobic sludge blanket (UASB) reactors during the treatment of Tequila vinasse is the high acidity and the null alkalinity present in this effluent. This research evaluates the effect of alkalinity and volatile fatty acids (VFAs) concentration on the performance of an UASB reactor with recirculation ...
Alberto López-López +1 more
exaly +3 more sources
International Journal of Hydrogen Energy, 2020
Abstract The objective of this work was to comparatively evaluate the production of biohydrogen (bio-H2) from tequila vinasses at optimized mesophilic and thermophilic conditions and to elucidate the main metabolic routes involved. Optimal temperatures of 35 °C and 55 °C, and pH of 5.5 maximized the bio-H2 production rates, 25.5 ± 0.01 NmL h−1 and ...
Alma Toledo-Cervantes +2 more
exaly +2 more sources
Abstract The objective of this work was to comparatively evaluate the production of biohydrogen (bio-H2) from tequila vinasses at optimized mesophilic and thermophilic conditions and to elucidate the main metabolic routes involved. Optimal temperatures of 35 °C and 55 °C, and pH of 5.5 maximized the bio-H2 production rates, 25.5 ± 0.01 NmL h−1 and ...
Alma Toledo-Cervantes +2 more
exaly +2 more sources
Ozone: Science and Engineering, 2016
ABSTRACTThis article describes the study of the treatment of tequila industry vinasses based on the sequential application of coagulation-flocculation and heterogeneous catalytic ozonation. Coagulation-flocculation treatment used biopolymers to reduce the nondissolved organic matter and to reduce the degree of color units in effluent.
H Ferral-Pérez, Isaac Chairez
exaly +2 more sources
ABSTRACTThis article describes the study of the treatment of tequila industry vinasses based on the sequential application of coagulation-flocculation and heterogeneous catalytic ozonation. Coagulation-flocculation treatment used biopolymers to reduce the nondissolved organic matter and to reduce the degree of color units in effluent.
H Ferral-Pérez, Isaac Chairez
exaly +2 more sources