Results 61 to 70 of about 1,140,935 (221)

Role of syntrophic microbial communities in high-rate methanogenic bioreactors [PDF]

open access: yes, 2012
Anaerobic purification is a cost-effective way to treat high strength industrial wastewater. Through anaerobic treatment of wastewaters energy is conserved as methane, and less sludge is produced.
Kleerebezem, Robbert   +3 more
core   +2 more sources

CO2-Fixation Strategies in Energy Extremophiles: What Can We Learn From Acetogens?

open access: yesFrontiers in Microbiology, 2020
Domestication of CO2-fixation became a worldwide priority enhanced by the will to convert this greenhouse gas into fuels and valuable chemicals. Because of its high stability, CO2-activation/fixation represents a true challenge for chemists.
Olivier N. Lemaire   +2 more
doaj   +1 more source

The Metabolism of Clostridium ljungdahlii in Phosphotransacetylase Negative Strains and Development of an Ethanologenic Strain

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
The sustainable production of chemicals from non-petrochemical sources is one of the greatest challenges of our time. CO2 release from industrial activity is not environmentally friendly yet provides an inexpensive feedstock for chemical production.
Jonathan Lo   +8 more
doaj   +1 more source

Redox dependent metabolic shift in Clostridium autoethanogenum by extracellular electron supply [PDF]

open access: yes, 2016
Background: Microbial electrosynthesis is a novel approach that aims at shifting the cellular metabolism towards electron-dense target products by extracellular electron supply.
Bernhardt, Paul V   +4 more
core   +3 more sources

Syntrophic degradation of fatty acids by methanogenic communities [PDF]

open access: yes, 2011
In methanogenic environments degradation of fatty acids is a key process in the conversion of organic matter to methane and carbon dioxide. For degradation of fatty acids with three or more carbon atoms syntrophic communities are required.
Alves, M. M.   +4 more
core   +2 more sources

Methane Generation Using an Anaerobic Biodigester From Waste Leachate Water

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Leachate wastewater (LWW) is characterized by slow biodegradation and low biogas production due to resistant materials and limited biological activity. Therefore, applying pretreatments is essential to improving biodegradation potential, which consequently boosts energy recovery.
Khairi R. Kalash   +5 more
wiley   +1 more source

Nitrate Feed Improves Growth and Ethanol Production of Clostridium ljungdahlii With CO2 and H2, but Results in Stochastic Inhibition Events

open access: yesFrontiers in Microbiology, 2020
The pH-value in fermentation broth is a critical factor for the metabolic flux and growth behavior of acetogens. A decreasing pH level throughout time due to undissociated acetic acid accumulation is anticipated under uncontrolled pH conditions such as ...
Christian-Marco Klask   +4 more
doaj   +1 more source

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

Methane-yielding microbial communities processing lactate-rich substrates: a piece of the anaerobic digestion puzzle

open access: yesBiotechnology for Biofuels, 2018
Background Anaerobic digestion, whose final products are methane and carbon dioxide, ensures energy flow and circulation of matter in ecosystems. This naturally occurring process is used for the production of renewable energy from biomass.
Anna Detman   +9 more
doaj   +1 more source

Microbial demethylation of dimethylsulfoniopropionate and methylthiopropionate [PDF]

open access: yes, 2000
As discussed in chapter 1 , there is an increased interest in the production of certain natural sulfur-containing flavor compounds or flavor precursors.
Jansen, Michael,
core   +3 more sources

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