English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Carboxydothermus hydrogenoformans  is a thermophilic strictly anaerobic bacterium that catalyses the water gas shift reaction, the conversion of carbon monoxide with water to molecular hydrogen and carbon dioxide. The thermodynamically favorable growth temperature, compared to existing industrial catalytic processes, makes this organism an interesting alternative for production of cheap hydrogen gas suitable to fuel CO-sensitive fuel cells in a future hydrogen economy, provided sufficiently low levels of CO are reached. Here we study CO conversion and final CO levels in cultures of  C. hydrogenoformans  grown in batch cultures that were started with a 100% CO gas phase with and without removal of formed CO 2 . Final CO levels were 117 ppm without CO 2  removal and below 2 ppm with CO 2  removal. The Gibbs free energy change calculated with measured end concentrations and the detection of acetate suggest that  C. hydrogenoformans  shifted from a hydrogenogenic to an acetogenic metabolism.

Deep Conversion of Carbon Monoxide to Hydrogen and Formation of Acetate by the Anaerobic ThermophileCarboxydothermus hydrogenoformans