نتایج جستجو برای: co2 reduction

تعداد نتایج: 554427  

Journal: :Marine Engineering 2015

Journal: :Bioresource technology 2008
Sheng-Yi Chiu Chien-Ya Kao Chiun-Hsun Chen Tang-Ching Kuan Seow-Chin Ong Chih-Sheng Lin

The microalga incorporated photobioreactor is a highly efficient biological system for converting CO2 into biomass. Using microalgal photobioreactor as CO2 mitigation system is a practical approach for elimination of waste gas from the CO2 emission. In this study, the marine microalga Chlorella sp. was cultured in a photobioreactor to assess biomass, lipid productivity and CO2 reduction. We als...

2016
Nitish Roy Yuiri Hirano Haruo Kuriyama Pitchaimuthu Sudhagar Norihiro Suzuki Ken-ichi Katsumata Kazuya Nakata Takeshi Kondo Makoto Yuasa Izumi Serizawa Tomoaki Takayama Akihiko Kudo Akira Fujishima Chiaki Terashima

Competitive hydrogen evolution and multiple proton-coupled electron transfer reactions limit photoelectrochemical CO2 reduction in aqueous electrolyte. Here, oxygen-terminated lightly boron-doped diamond (BDDL) thin films were synthesized as a semiconductor electron source to accelerate CO2 reduction. However, BDDL alone could not stabilize the intermediates of CO2 reduction, yielding a negligi...

Journal: :Chemical communications 2015
Sharon Lai-Fung Chan Tsz Lung Lam Chen Yang Siu-Cheong Yan Nga Man Cheng

Visible-light driven CO2 reduction is considered to be a sustainable energy source. However, earth-abundant molecular catalysts with high efficiency and robustness towards solar-driven CO2 reduction are limited. Herein, we report a cobalt complex supported by a tetradentate tripodal ligand, which demonstrates catalytic solar-driven CO2 reduction with TON(CO) > 900 over 70 h in the presence of a...

Journal: :Chemical science 2015
Noémie Elgrishi Matthew B Chambers Marc Fontecave

Understanding the activity and selectivity of molecular catalysts for CO2 reduction to fuels is an important scientific endeavour in addressing the growing global energy demand. Cobalt-terpyridine compounds have been shown to be catalysts for CO2 reduction to CO while simultaneously producing H2 from the requisite proton source. To investigate the parameters governing the competition for H+ red...

2015
Diego C. B. Alves Rafael Silva Damien Voiry Tewodros Asefa Manish Chhowalla

Carbon dioxide (CO2) is one of the main gases produced by human activity and is responsible for the green house effect. Numerous routes for CO2 capture and reduction are currently under investigation. Another approach to mitigate the CO2 content in the atmosphere is to convert it into useful species such as hydrocarbon molecules that can be used for fuel. In this view, copper is one of the most...

2016
Qusheng Jin Matthew F. Kirk

Geological carbon sequestration captures CO2 from industrial sources and stores the CO2 in subsurface reservoirs, a viable strategy for mitigating global climate change. In assessing the environmental impact of the strategy, a key question is how microbial reactions respond to the elevated CO2 concentration. This study uses biogeochemical modeling to explore the influence of CO2 on the thermody...

2015
Noémie Elgrishi Matthew B. Chambers Marc Fontecave

Understanding the activity and selectivity of molecular catalysts for CO2 reduction to fuels is an important scientific endeavour in addressing the growing global energy demand. Cobalt–terpyridine compounds have been shown to be catalysts for CO2 reduction to CO while simultaneously producing H2 from the requisite proton source. To investigate the parameters governing the competition for H redu...

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