Results 31 to 40 of about 205,517 (284)

High pressure synthesis gas fermentation [PDF]

open access: yes, 1991
The purpose of this research project is to build and test a pressure fermentation system for the production of ethanol from synthesis gas. The fermenters, pumps, controls, and analytical system will be procured or fabricated and assembled in our laboratory.
openaire   +5 more sources

Metabolic Network Analysis of Microbial Methane Utilization for Biomass Formation and Upgrading to Bio-Fuels

open access: yesFrontiers in Energy Research, 2018
The potent greenhouse gas methane presents a widely accessible resource, being the primary component in natural gas as well as in bio-gas from anaerobic digesters.
Nils J. H. Averesch, Frauke Kracke
doaj   +1 more source

CFD modelling of two-phase stirred bioreaction systems by segregated solution of the Euler–Euler model [PDF]

open access: yes, 2013
An advanced study of a bioreactor system involving a Navier–Stokes based model has been accomplished. The model allows a more realistic impeller induced flow image to be combined with the Monod bioreaction kinetics reported previously. The time-course of
Elqotbi, Mohammed   +3 more
core   +4 more sources

Thermodynamic, economic and environmental assessment of energy systems including the use of gas from manure fermentation in the context of the Spanish potential [PDF]

open access: yes, 2020
One of the prospective technologies that can be used for energy generation in distributed systems is based on biogas production, usually involving fermentation of various types of biomass and waste.
Dufour, Javier   +4 more
core   +2 more sources

Energy Conservation and Carbon Flux Distribution During Fermentation of CO or H2/CO2 by Clostridium ljungdahlii

open access: yesFrontiers in Microbiology, 2020
Both CO and H2 can be utilized as energy sources during the autotrophic growth of Clostridium ljungdahlii. In principle, CO is a more energetically and thermodynamically favorable energy source for gas fermentation in comparison to H2.
Hai-Feng Zhu   +7 more
doaj   +1 more source

Commercial Biomass Syngas Fermentation

open access: yesEnergies, 2012
The use of gas fermentation for the production of low carbon biofuels such as ethanol or butanol from lignocellulosic biomass is an area currently undergoing intensive research and development, with the first commercial units expected to commence ...
James Daniell   +2 more
doaj   +1 more source

A Prospective Study on the Fermentation Landscape of Gaseous Substrates to Biorenewables Using Methanosarcina acetivorans Metabolic Model

open access: yesFrontiers in Microbiology, 2018
The abundance of methane in shale gas and of other gases such as carbon monoxide, hydrogen, and carbon dioxide as chemical process byproducts has motivated the use of gas fermentation for bioproduction.
Hadi Nazem-Bokaee, Costas D. Maranas
doaj   +1 more source

Enhancing CO2-Valorization Using Clostridium autoethanogenum for Sustainable Fuel and Chemicals Production

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
Acetogenic bacteria can convert waste gases into fuels and chemicals. Design of bioprocesses for waste carbon valorization requires quantification of steady-state carbon flows.
James K. Heffernan   +12 more
doaj   +1 more source

In vitro degradability, gas production, and energy value of different hybrids of sorghum after storage in mini-silos [PDF]

open access: yes, 2016
This experiment compared silages obtained from 3 hybrids of sorghum grown on 2 farms of the Po Valley (one irrigated and one not), in terms of in vitro degradability, gas production (GP), and energy value.
Bailoni, Lucia   +3 more
core   +1 more source

Gas fermentation for microbial sustainable aviation fuel production [PDF]

open access: yesMicrobiology Australia, 2023
The challenge of limiting global warming to below 1.5°C requires all industries to implement new technologies and change practices immediately. The aviation industry contributes 2% of human-induced CO2 emissions and 12% of all transport emissions ...
Esteban Marcellin   +7 more
doaj  

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